Other General Purpose Machinery Manufacturing (U.S.) — NAICS 3339
A Histometrics rollup primer for public-market and private investors. NAICS (the North American Industry Classification System) code 3339 is a four-digit "industry group" that bundles three larger industries — 33391 Pump and Compressor Manufacturing, 33392 Material Handling Equipment Manufacturing, and 33399 All Other General Purpose Machinery Manufacturing. Figures for this level are our ingested U.S. federal statistics; forward-looking statements are framed as judgments, not facts.
1. Overview
NAICS 3339 is the federal catch-all for the general-purpose machinery that doesn't fit the specialized drawers next to it (engines, farm and construction equipment, machine tools, HVAC). What lands here is the equipment the rest of the physical economy runs on: the pumps and compressors that move liquids and gases under pressure; the elevators, conveyors, cranes, and forklifts that move loads and people; and a sprawling "everything else" of power tools, welders, packaging lines, furnaces, hydraulic muscle, filters, and industrial robots.
For an investor, the single most important thing to grasp is that 3339 is not a market — it is at least a dozen unrelated markets stacked in one statistical bin. A pump maker never bids against a forklift maker; a welder brand never competes with a packaging-line builder. So the level's own headline statistics — which make it look like one of the most fragmented, wide-open industries in America — are largely an accounting illusion produced by adding up markets that never touch. The real competition, and the real opportunity, lives one or two levels down. This primer's distinctive job is to lay the three children side by side — how their size, growth, ownership, and investability differ — and then describe the genuine economic threads they share.
Two threads unify the whole group despite the sprawl. First, almost all of it is a "picks-and-shovels" business: these firms sell equipment to other producers (power tools and residential pumps are the partial exceptions), so their fortunes ride the industrial capital-spending cycle rather than the consumer. Second, the best operators in every corner earn a "razor-and-blade" aftermarket — spare parts, service, overhauls, consumables, and (for power tools) batteries that flow for 10–25 years off an installed base and are far stickier and higher-margin than the original machine sale. That spread is no longer a claim: all three children now quantify it independently, and the gap between selling the machine and servicing it runs from roughly two-to-one to five-to-one on operating margin [3][4][5]. That recurring annuity is the quiet engine of quality across the entire level.
One thing changed in 2025–26 that a rollup can see and a child page cannot: the listed universe for this level shrank. Chart Industries was absorbed into Baker Hughes, three Japanese material-handling issuers delisted, and Honeywell sold its conveyor business to private equity — while no child gained a new pure-play. Ownership is drifting from public hands into private ones across the whole group [3][4].
2. What's inside — the three children and how they differ
Below, "share of level" is each child's slice of the group's 2022 shipments; "rollup HHI" is each child's own Herfindahl-Hirschman Index (HHI, the standard concentration gauge — below 1,500 is "unconcentrated"). Tickers are held back for Sections 4 and 10.
| Child (NAICS) | What it makes / moves | Share of level (2022 shipments) | 6-digit industries inside | Rollup HHI (own level) | Direction of travel (judgment) | Ownership & how a public investor buys in |
|---|---|---|---|---|---|---|
| 33391 — Pumps & Compressors | Machines that move fluids and gases under pressure: air/gas compressors, industrial and water pumps, fuel dispensers | ~21% (~$26.8B) — smallest | 2 (compressors 333912, ~33% of the child; pumps & dispensers 333914, ~67%) | 191.6 — least fragmented of the three | Mid-single-digit growth (roughly 4–6%); water infrastructure, natural-gas/LNG, data-center liquid cooling; a staggered DOE efficiency-replacement runway; electric-vehicle headwind on fuel dispensers [3] | Almost no U.S. pure-play. Value is diluted inside diversified industrials (Xylem, Flowserve, ITT, Pentair, IDEX, Graco, Dover, Vontier) and foreign majors (Atlas Copco, Grundfos, KSB, Sulzer); Ingersoll Rand is the nearest single proxy and the only name spanning both halves; Baker Hughes became a listed process-gas route after completing the Chart Industries deal in July 2026; gas-compression service operators are a distinct listed proxy; big private/PE tail [3][12] |
| 33392 — Material Handling | Machines that move loads and people: elevators/escalators (up), conveyors (across), cranes/hoists (overhead), forklifts (on wheels) | ~33% ($40.77B) — middle | 4 (conveyors 333922, ~35%; forklifts 333924, ~32%; cranes 333923, ~22%; elevators 333921, ~11%) | 142 | Rotation from new-build toward high-margin service and modernization; conveyor demand has turned in orders before revenue while forklift backlog is still shrinking; data-center, power, and defense tailwind for cranes [4] | The cleanest pure-play set: three U.S.-listed names — Otis (elevators), Columbus McKinnon (cranes + conveyors), Hyster-Yale (forklifts). But the toolkit narrowed in 2026: Toyota Industries, Mitsubishi Logisnext, and Fujitec delisted, and Honeywell sold Intelligrated to private equity. The best conveyor assets stay private (Hytrol, Intralox); foreign listings (Interroll, Konecranes, KONE, Schindler, KION) [4][15][16] |
| 33399 — All Other GP Machinery | The "everything else": power tools, welding, packaging lines, furnaces/ovens, fluid-power cylinders and pumps, filters/scales/sprinklers/robots (residual) | ~46% (~$57.2B) — largest | 7 — the complete level; the 2022 NAICS revision folded the former scales-and-balances code into the residual bucket 333998 | 77.7 — most fragmented | Capital-goods cycle bottoming and turning up (manufacturing PMI 48.2 in November 2025, 52.7 in March 2026); reshoring/automation tailwind; packaging fastest, furnaces next; a structural electrification headwind under fluid power [5] | A mosaic. Welding is the one clean listed pure-play (Lincoln Electric, ESAB, plus ITW's welding segment); fluid power and the residual bucket are owned via diversified compounders (Parker Hannifin, IDEX, Nordson, Dover, Donaldson, Graco, Mettler-Toledo); packaging, furnaces, and power tools are mostly private-equity, family, and foreign [5] |
Three contrasts do most of the analytical work.
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Size runs opposite to investability. The largest child (33399, ~46% of output) is the least buyable as a single theme — it is seven separate markets with no unifying stock. The middle child (33392, ~33%) has the cleanest toolkit: three U.S.-listed pure-plays, one per concentrated sub-market. The smallest child (33391, ~21%) sits in between — almost no true pure-play, but a whole basket of diversified industrials plus a near-single-ticker proxy (Ingersoll Rand). Bigger does not mean easier to own here. The same inversion repeats inside the children: the two biggest sub-markets in material handling (conveyors and forklifts, together more than two-thirds of that child's output) are the least cleanly investable, while the smallest (elevators, ~11%) has the best listed franchise [4].
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The concentration illusion nests — and the federal ratio errs in both directions. Read the HHI column, then look at the group's own HHI of 39.4 [1]. The level is less concentrated than every one of its children, each of which is in turn less concentrated than almost all of its children (the genuine oligopolies live at the six-digit level — fluid-power pumps at 1,022, elevators at 991.9, cranes at 957.2, forklifts at 699, and power tools and welding with CR4s of 68.2% and 62.4%) [3][4][5]. Concentration dilutes at almost every step up the tree because each step pools more markets that don't compete. The one exception proves the rule: conveyors, at an HHI of 77.5, are more fragmented than the 33392 group they sit in [4]. The revised children also show the federal ratio failing in the opposite direction — it understates power where the real product market is narrower than the code (the top four elevator vendors hold roughly 55% of the U.S. market and about 67% in North America; the DOJ alleged Columbus McKinnon and Kito Crosby together held more than 60% of U.S. overhead lifting chain), and it overstates coherence where the code is broader than the market (Census files aerial work platforms inside the crane code, a rental-fleet business with almost nothing in common with an installed bridge crane) [4][14]. Never read competitive intensity, or pricing power, off the 3339 number — or off a child's rollup number. Go down to the six-digit industry, and then check what the code actually contains.
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Investability is a mosaic — and in 2025–26 it got smaller. There is no group-level stock and no group ETF (exchange-traded fund). A public investor assembles the level from a handful of pure-plays (Otis, Columbus McKinnon, Hyster-Yale, Lincoln Electric, ESAB), a cluster of diversified flow/motion/fluid-handling compounders that recur across children (IDEX, Dover, Nordson, Graco, Ingersoll Rand, Parker Hannifin — a slice of several children in one stock), foreign listings, and — for packaging, furnaces, and the deepest conveyor and forklift assets — private markets. What changed is the direction of drift: in a single stretch, Chart Industries was absorbed into Baker Hughes (July 2026), Toyota Industries delisted at roughly $39 billion (June 2026) alongside Mitsubishi Logisnext and Fujitec, and Honeywell sold Intelligrated, Trew, and Transnorm to American Industrial Partners (July 2026) [3][4][12][15][16]. Ownership is where the three children differ most sharply, and the private share of the level is rising.
The children partition the level cleanly on the ground-truth numbers (see §3), so treat 3339 as three adjacent product families sharing a business model, not one competitive arena.
3. Size — the level as a whole
Our ground-truth federal figures for NAICS 3339:
| Metric | Value | Source (year) |
|---|---|---|
| Value of shipments / receipts | ~$124.74 billion | Economic Census (2022) [1] |
| Firms | 5,293 | Economic Census (2022) [1] |
| Establishments (factories) | 5,940 | County Business Patterns (2023) [2] |
| Paid employees | 322,023 | County Business Patterns (2023) [2] |
| Annual payroll | ~$25.98 billion | County Business Patterns (2023) [2] |
| First-quarter payroll | ~$6.59 billion | County Business Patterns (2023) [2] |
| Avg. pay per worker (derived) | ~$80,700 | derived from [1][2] |
| Revenue per worker (derived) | ~$387,000 | derived from [1][2] |
| Avg. receipts per firm (derived) | ~$23.6 million | derived from [1] |
| Concentration | CR4 7.2%, CR8 12.9%, CR20 24%, CR50 38.8%; HHI 39.4 | Economic Census (2022) [1] |
So NAICS 3339 is a ~$125 billion, ~322,000-worker manufacturing base paying skilled wages (~$80,700 average, well above the all-industry mean — these are machinists, welders, controls and thermal engineers). Pay is remarkably even across the group: ~$82,000 in 33399 and ~$76,800 in 33392 [4][5]. CR4/CR8/CR20/CR50 are the shares of revenue held by the largest 4/8/20/50 firms.
The level is simply its three children added together — and the arithmetic proves it. Employment, establishments, and payroll sum exactly to the level totals (57,688 + 105,437 + 158,898 = 322,023 workers; 827 + 1,653 + 3,460 = 5,940 factories; ~$4.82B + ~$8.10B + ~$13.07B ≈ ~$26.0B payroll), and shipments sum to ~$124.75 billion against the level's ~$124.74 billion [1][2][3][4][5]. Firm counts don't quite add up — the children total 5,345 firms versus 5,293 at the level [1] — because a company operating plants in more than one child (a diversified industrial such as Ingersoll Rand, IDEX, or Dover) is counted once at the parent but appears in each child it touches. The same pattern repeats one level down inside every child, which is a useful signal in itself: the overlap is exactly the set of firms that straddle two markets.
The concentration figure, restated. The group HHI of 39.4 and CR4 of 7.2% are the lowest you will find in manufacturing — and, as §2 explained, statistically meaningless as a competition gauge. They fall below all three children's rollup HHIs (191.6, 142, 77.7), which in turn sit below every six-digit industry underneath except one (conveyors, at 77.5, is more fragmented than its own group) [3][4][5]. This is the compounding aggregation artifact; it is not evidence that the level is hyper-competitive.
The undercount caveat — and what kind it is (and isn't). These figures are reliable in one way and misleading in others.
- Reliable — this is not an informal-operator undercount. Unlike gig or service sectors, 3339 is capital-intensive, firm-based manufacturing with relatively few, larger plants (average firm ~$23.6 million in receipts; ~$28 million in material handling). All three children reach the same conclusion independently: the Census captures the establishments and headcount cleanly, and there is no meaningful hidden population of tiny operators [3][4][5].
- Misleading — the figures measure U.S. production, not U.S. consumption — but the direction of the gap differs by market. The revised children are more careful here than this page previously was. Most of the level is net-imported: roughly 85% of the power tools Americans buy are made abroad (a ~$10–12 billion U.S. market against ~$2.6 billion of domestic shipments); U.S. pump imports supply an estimated 25–30% of consumption; fluid-power pump and motor imports run near $4.3 billion against ~$2.7 billion of exports; packaging-machinery consumption is put at ~$13–14 billion against $10.1 billion of output; cranes and hoists carry roughly $1.2 billion of imports against about $0.9 billion of exports [3][4][5]. But two pockets run the other way — domestic forklift shipments of $13.18 billion exceed a demand-side U.S. forklift market estimated near $9.1 billion, and one private estimate of the U.S. industrial-furnace end market (~$1.6 billion in 2024) sits well below $3.45 billion of domestic shipments, a scope-and-exports gap rather than a Census error [4][5]. Do not assume every code here understates its market.
- Misleading — the highest-margin activity is classified outside manufacturing. Installation, inspection, maintenance, repair, and modernization often sit in other codes (elevator service under construction code 238290, crane repair under 811310, much pump and compressor service in distribution and repair codes). Otis alone reported about $14.4 billion in global 2025 sales, roughly two-thirds of it service — more than three times the entire U.S. elevator manufacturing code of $4.32 billion [4][7].
- Misleading — a code is not a denominator for a company. The scale mismatch is stark: Stanley Black & Decker's Tools & Outdoor segment was $13.2 billion of 2025 revenue and Techtronic's Power Equipment segment $14.4 billion, each roughly five times the entire U.S. power-tool code, while Lincoln Electric's ~$4.23 billion of global sales is most of the way to the whole U.S. welding code's $6.49 billion of output [5]. Value also migrates into bigger systems: a conveyor or crane delivered inside a turnkey warehouse-automation or airport project shows up under automation, software, or construction codes.
Read ~$124.74 billion as an accurate floor on U.S. domestic production, not as the size of the end markets these firms serve, and never as the denominator for a global company's market share.
4. The investable universe — where value concentrates across the children
The single most important fact for a stock investor: there is no NAICS-3339 pure-play and no 3339 ETF. You assemble the level from three kinds of vehicle, and the mix differs sharply by child. Tickers are introduced here and in §10.
1. The pure-plays (concentrated where a market has a dominant listed name).
- Material handling (33392): the richest pure-play set — Otis Worldwide (NYSE: OTIS) for elevators (the world's largest service portfolio, ~2.5 million maintained units, up 4% in 2025, of which roughly 1.1 million are connected); Columbus McKinnon (Nasdaq: CMCO) for cranes/hoists and conveyors, the one name spanning two sub-markets — but a small, heavily levered equity after Kito Crosby, reporting FY2026 sales of $1.193 billion against roughly $2.6 billion of acquisition debt and a market capitalization near $0.4 billion; Hyster-Yale (NYSE: HY) for forklifts (deeply cyclical small-cap, $3.77 billion of 2025 revenue and a $22 million operating loss) [4][7][9][10].
- Welding, inside 33399: Lincoln Electric (Nasdaq: LECO) ($4.23 billion of 2025 sales) and ESAB Corporation (NYSE: ESAB) ($2.84 billion, 66% consumables) — the only clean listed pure-plays anywhere in the four-digit group — with Illinois Tool Works (NYSE: ITW) carrying welding as a real and unusually profitable segment ($1.89 billion at a 32.9% operating margin) [5].
- Pumps (33391): the closest thing is Gorman-Rupp (NYSE: GRC), a dedicated pump maker with $682 million of 2025 revenue; there is no large U.S. pure-play compressor manufacturer [3].
2. The diversified compounders (the connective tissue of the level). A cluster of flow/motion/fluid-handling industrials each own a slice of two or more children, so a single stock buys diffuse exposure across the group:
- Spanning pumps (33391) and the residual/fluid-power bucket (33399): IDEX (NYSE: IEX), Dover (NYSE: DOV), Nordson (Nasdaq: NDSN), Graco (NYSE: GGG), and Ingersoll Rand (NYSE: IR) (compressors + pumps).
- Motion/hydraulics and process, inside 33391/33399: Parker Hannifin (NYSE: PH) — the dominant U.S. motion/fluid-power group, and, via its pending $9.25 billion Filtration Group acquisition, a straddle into the residual bucket as well — plus Flowserve (NYSE: FLS), ITT (NYSE: ITT), Xylem (NYSE: XYL), Pentair (NYSE: PNR), Franklin Electric (Nasdaq: FELE) on the pump/water side and Moog, Woodward, Curtiss-Wright, Donaldson (NYSE: DCI), Mettler-Toledo (NYSE: MTD), Enerpac (NYSE: EPAC), small-cap Helios (NYSE: HLIO) and distributor Applied Industrial Technologies (NYSE: AIT) on the fluid-power/residual side [3][5]. One correction the children now make explicitly: Eaton is not fluid-power exposure — it sold that business to Danfoss in 2021 [5].
- Fuel-forecourt exposure inside 33391: Vontier (NYSE: VNT) and Dover (Gilbarco Veeder-Root and Wayne, together estimated at ~45% of the global dispenser market) [3].
- Energy-technology exposure inside 33391: Baker Hughes (NYSE: BKR), which took on large process-gas, LNG, pipeline, and CO₂ compression by completing its Chart Industries (including Howden) acquisition in July 2026 — which also means Chart is no longer a standalone way to own that exposure [3][12].
3. Foreign listings and private markets (the deepest and most focused assets). Much of the best capacity is not on a U.S. exchange, and more of it moved private in 2026:
- Foreign leaders: Atlas Copco, KSB, Sulzer, Ebara, Weir (pumps/compressors); Interroll (the closest listed conveyor pure-play), Konecranes, KONE, Schindler, KION, Jungheinrich, Kalmar, Daifuku (material handling); Krones, SECO/WARWICK, Danieli, ANDRITZ, Techtronic, Makita, Chervon (packaging, furnaces, power tools) [3][4][5].
- Private / private-equity: family compressor and pump specialists (Ariel, ~$663 million of revenue; Kaeser; Bauer; Grundfos and Wilo, with Grundfos 87.9% controlled by its foundation); private conveyor and forklift leaders (Hytrol at ~$390 million, Intralox, Crown at ~$5.3 billion worldwide, and since July 2026 American Industrial Partners' combined Intelligrated/Trew/Transnorm platform at more than $1 billion of revenue); and the most PE-heavy pockets of all — packaging roll-ups (ProMach, Duravant, Syntegon, Barry-Wehmiller, IMA, Coesia) and furnace builders (Ipsen, Inductotherm, Surface Combustion, AFC-Holcroft) [3][4][5][15].
The through-line: the more concentrated a sub-market, the more its value is locked inside one or two large listed or foreign brand owners; the more fragmented and industrial it is, the more the value sits in private equity and family firms. A public investor can cleanly own elevators, welding, cranes-plus-conveyor, and forklifts; can own a slice of pumps and fluid power through the diversified compounders; but reaches the deepest packaging, furnace, and conveyor assets only in private markets — and the private share is growing, not shrinking. (Company-wide revenues for the diversified names span far more than NAICS 3339; they indicate which stocks give the most exposure, not the size of the segment. Reserve valuation multiples and yields for security-specific work in §10.)
5. How the money works
Despite spanning a dozen-plus markets, the economics rhyme across all three children — these are capital-goods and component businesses, and owners pull the same levers [3][4][5]:
- New equipment is the "razor" — cyclical, project-based, thin-margin. Selling the machine tracks the customer's decision to build or retool a factory, warehouse, pipeline, or building. Much of it is engineered-to-order with high steel content, so margins compress when steel and tariffs rise faster than makers can reprice. Anchors: Otis's new-equipment segment ran a 4.8% operating margin in 2025 ($4.99 billion of sales, $240 million of profit); Konecranes' Industrial Equipment business ran 9.4%; Hyster-Yale's gross margin fell from 20.8% to 16.8% and it posted an operating loss [7][8][9].
- Aftermarket is the "blade" — recurring, less cyclical, far higher-margin, and the real prize. Parts, service, overhauls, consumables, rental, and modernization flow for 10–25 years off the installed base. It recurs in a different costume in each child: compressor and pump service and reseal work; elevator maintenance and mid-life rebuilds; crane and forklift parts and rental; welding consumables (66% of ESAB's 2025 sales); filter cartridges, scale calibration, and sprinkler inspection; and, uniquely, power tools' battery-platform lock-in. The disclosed spreads are now unambiguous: Otis's service segment earned 25.1% in 2025 ($9.44 billion of sales, $2.37 billion of profit), about five times its new-equipment margin, and Konecranes' Industrial Service earned 21.8% against 9.4% on equipment [7][8]. The clearest price anyone has put on the annuity sits in 33399: Parker agreed to pay $9.25 billion for Filtration Group, a business with ~$2.0 billion of sales, a 23.5% adjusted EBITDA margin, and 85% of revenue from aftermarket [5]. A large installed base is the closest thing most of these firms have to a moat.
- But aftermarket intensity varies enormously, and the children do not measure it the same way. On the disclosures they carry — which mix company-wide and segment-level scopes and are not like-for-like — service or consumables run roughly two-thirds of Otis's revenue, ~53% of Flowserve's 2025 sales, ~41% of Ingersoll Rand's Industrial Technologies & Services segment, about 40% of Konecranes' group sales, ~23% of Hyster-Yale's, 15.2% of Interroll's, and about 12% of Gorman-Rupp's [3][4][6][7][8][9][11]. Read the spread as a map of product mix — the more engineered, safety-critical, downtime-sensitive, and code-inspected the installed equipment, the larger the annuity — not as a ranking of management quality.
- The margin ladder is the level's single most useful economic signal. Lay the children's disclosed public-company margins end to end and one rule explains almost all of them. At the top sit consumables, brand, and aftermarket content: ITW's Welding segment at a 32.9% operating margin, Dover's Pumps & Process Solutions at 30.3%, Ingersoll Rand's ITS at 28.9% adjusted EBITDA, Otis service at 25.1%, Atlas Copco's Compressor Technique at 24.7%, Parker's Diversified Industrial at 22.8%, Enerpac at 21.6%, Konecranes' Industrial Service at 21.8%, ITT's Industrial Process at 21.1%. In the middle sit component and catalog businesses: Interroll at 14.0% EBIT, Gorman-Rupp at 14.0%, Donaldson at 13.4%, Danfoss Power Solutions at 11.7% EBITA, Krones at 10.6% EBITDA, Stanley Black & Decker's Tools & Outdoor at 10.1%. At the bottom sit large, one-off, engineered-to-order projects: Konecranes' equipment arm at 9.4%, KION's project-heavy Supply Chain Solutions at 6.0% adjusted EBIT, SECO/WARWICK at 5.8% EBIT, ANDRITZ Metals at 4.5% EBITA, and Otis new equipment at 4.8% [3][4][5][6][7][8]. The ordering tracks aftermarket and consumable content almost perfectly, and it tracks machine size and project customization inversely. Every child warns that these are company figures, not industry margins — none is "the margin" for a code — but the pattern holds across three independently researched children.
- Backlog and book-to-bill are the leading indicators — and they currently disagree by child. Because so much equipment is built to order with multi-month lead times, owners watch order backlog and the book-to-bill ratio (new orders ÷ revenue billed; above 1.0 means the pipeline is growing). Right now conveyor orders have turned (KION's Dematic order intake up 39.5%, Interroll's orders up 5.0% even as its sales fell 2.5%, Columbus McKinnon's precision-conveyance orders up 19%) while forklift backlog is still shrinking (Hyster-Yale from ~$1.93 billion to $1.28 billion) [4][9]. Backlog quality and price-cost coverage matter more than backlog growth alone, and fixed-price engineered orders quoted before the engineering is finished can turn a good-looking backlog into a loss [3][5].
- Input costs — steel, copper, aluminum, motors, electronics. These are metal-and-electronics assemblies, so gross margin lives on the spread between selling price and metal cost — which ties the whole level to one input cycle and one tariff regime (§7). The pass-through works, but never cleanly: producer prices for fluid-power cylinders rose 11.5% from January 2025 to February 2026, yet Lincoln Electric's 2025 pricing added 6.2 points of growth against 3.7 points of volume decline and gross margin still fell 50 basis points, and Columbus McKinnon's raw-material purchases equalled 51% of cost of products sold with gross margin down from 33.8% to 30.1% [5][10]. Capacity utilization is the swing variable in a downturn: unabsorbed fixed cost crushes margins fast.
- Mix and the roll-up model. Margins climb as the mix shifts from commodity catalog product toward engineered, custom, or safety-critical work with long qualification cycles (aerospace actuators, vacuum furnaces, regulated pharma lines, proprietary elevator controllers). And because most sub-markets are fragmented, the highest-return strategy — public and private alike — has been the decentralized compounder / buy-and-build: acquire niche market leaders, keep the aftermarket, compound the free cash flow into the next deal.
None of the regulated-utility or resource-extraction yardsticks apply here — there is no rate base, no funds-from-operations, no reserve life. These are cyclical industrial cash compounders, and installed-base economics are what to underwrite.
6. Demand drivers
Because most of the level sells to other producers, demand is overwhelmingly derived — it rises and falls with customers' capital-spending decisions. Shared drivers, weighted differently by child:
- Industrial capital spending and factory utilization — the master cycle for all three children. The manufacturing PMI (Purchasing Managers' Index; above 50 signals expansion) is the standard gauge: it read 48.2 in November 2025 after a soft year, then returned to expansion at 52.7 in March 2026 [5].
- Interest rates — most end demand is financed capital equipment (and, for power tools and residential pumps, rate-sensitive housing and remodeling), so higher rates suppress orders across the level and lower rates release them. High rates were the stated cause of the 2023–25 fluid-power downturn [5].
- Data centers and power buildout — the strongest shared structural pull, but calibrate it by child. U.S. data-center construction has risen from roughly $9.5 billion to about $47 billion annualized since 2020, and U.S. utility capital spending is forecast near $1.3 trillion over 2026–2030; density specifically pulls liquid-cooling pumps (a small niche growing 20%+ a year) and crane, power, and handling demand [3][4]. The children calibrate this differently, and the disagreement is worth carrying: 33391 explicitly warns the theme "is real but easily overstated" because compressors are a small slice of any data-center bill of materials, while 33392 and 33399 treat data centers and power as live, order-book drivers today [3][4][5].
- Reshoring — a real tailwind, but the evidence is more mixed than this page previously implied. New U.S. plants, semiconductor fabs, EV (electric-vehicle) and battery lines each need pumps, compressors, cranes, forklifts, welding, furnaces, fluid power, and safety equipment [3][5]. But 33392 notes that the reshoring signal has been uneven — U.S. factory construction has fallen since 2024 even amid the rhetoric — so the data-center wave, not reshoring, is doing more of the visible work right now [4].
- The aging installed base and modernization — the most durable, counter-cyclical driver, strongest in elevators (the global stock of modernization-ready units is projected to grow from ~9 million at year-end 2025 toward ~13 million by 2030, and Otis's modernization orders rose 26% with backlog up 30% in 2025) and material in cranes, where replacement cycles in heavy industry are reported to be shortening from ~18–20 years toward ~12–15 [4][7].
- E-commerce and warehouse automation — the dominant secular growth engine, concentrated in conveyors and forklifts (33392); Amazon passed 1 million deployed warehouse robots across 300+ facilities in 2025 [4]. Across the industrial children, North American buyers ordered 36,766 robots worth $2.25 billion in 2025, up 6.6% in units and 10.1% in value, with non-automotive users driving most of the growth [5].
- Water and energy infrastructure — the largest pump end market: aging U.S. systems plus the Infrastructure Investment and Jobs Act (IIJA; ~$50B for water/wastewater) drive pump demand against a far larger underlying need (EPA puts 20-year drinking-water needs at $625 billion and clean-water needs at $630 billion), while natural-gas and LNG (liquefied natural gas) build-out drives compression (33391) [3].
- Process-heat decarbonization — a driver this page previously understated. The Department of Energy reports process heating accounted for 51% of onsite U.S. manufacturing energy use in 2018, with electricity-based systems supplying under 5% of industrial process heating today. That gap is the furnace child's largest long-run demand pool and also feeds filtration and fume control in the residual bucket [5].
- Energy-efficiency replacement — pumps and especially compressors are large electricity consumers (DOE surveys put compressed air near 10% of a typical industrial facility's electricity, and typical system efficiency at only 10–15%), so tightening standards and high power prices push customers off old fixed-speed fleets and toward variable-speed machines that can cut energy use by up to ~35% [3].
- Electrification of the fleet — the shift from internal-combustion to electric forklifts is already mainstream (about 71% of North American retail orders in 2024) and California's zero-emission forklift program begins covered-fleet phase-outs in 2028, creating replacement demand and residual-value risk together [4].
- The skilled-labor picture — real, but narrower than the slogan, and the children now split on it. 33399 is explicit that the welding "shortage" headline is overstated: BLS counted 457,300 welders, cutters, solderers and brazers in 2024 and projects 467,200 in 2034 — 2.2% net growth — with ~45,600 annual openings driven mainly by replacement, so the industry association's "~400,000 needed" figure is not net job creation. Underwrite automation on payback math (two-to-three-year payback for many welding shops), not on a shortage narrative [5]. In the licensed service trades the scarcity is genuine: BLS counted about 24,200 elevator and escalator installers and repairers in 2024 at a median $106,580, nearly all apprenticeship-trained and most states requiring licensing, with only ~2,000 openings a year projected [4]. Either way it cuts both ways — it constrains customers' output while driving demand for the automation these firms increasingly sell.
- Regulatory and code mandates — fire codes, water-quality rules, energy-efficiency standards, pharma serialization, packaging-waste law, and safety-code cycles force purchases regardless of the economic cycle (§7).
- Agricultural and off-highway capex — the specific swing factor under fluid power: USDA forecasts 2026 net farm income of $153.4 billion, down 0.7% nominally, with farm working capital down 9.2% — a combination that can restrain large-equipment purchases even when headline income holds [5].
Two child-specific twists: 33391 carries the fuel-retail cycle and a long-run EV headwind on gasoline dispensers, partly offset by EV-charging hardware and forecourt software [3]; and the fluid-power codes inside 33399 carry a distinctive substitution headwind — electric actuators (roughly 75–80% efficient against 40–55% for hydraulics) slowly taking applications, the only force that pulls demand out of this level entirely. The revised child is more careful about it than this page previously was: "electrification" in heavy mobile equipment increasingly means an electric prime mover paired with more sensorized electro-hydraulics, so adding electronics to hydraulic hardware can raise dollar content per machine even as unit substitution proceeds [5].
7. Regulation
At the level, this is a lightly regulated, standards-and-codes-driven set of industries. There is no economic price or entry regulation, no licensing regime, and no rate base — so the utility and resource-sector frameworks do not apply. Oversight is indirect and shared:
- Product and worker safety. OSHA (Occupational Safety and Health Administration) workplace rules and third-party listings (UL, for Underwriters Laboratories) apply across the level — OSHA's lockout/tagout rule for hazardous stored energy is the one standard that reaches into essentially every child — with child-specific consensus codes from the ASME (American Society of Mechanical Engineers) and others: A17.1/CSA B44 for elevators (a documented maintenance-control program, an annual Category 1 test and a fuller Category 5 test every five years, plus the A17.3 code pushing older units up to modern minimums), B20.1 for conveyors (incorporated by reference into OSHA 29 CFR 1910/1926 in the absence of a standalone conveyor rule), the B30 series and CMAA specifications for cranes (with CMAA's inspection-and-maintenance specification No. 78 updated in 2025), ANSI/ITSDF B56.1 plus OSHA 1910.178 operator certification for forklifts, pressure-vessel codes for compressors, NFPA (National Fire Protection Association) 86 for furnaces and NFPA 13 for fire sprinklers, NIST Handbook 44 for the weighing devices now inside the residual bucket, ANSI/PMMI B155.1-2023 for packaging machinery, and UL 62841 with CPSC authority for consumer power tools [3][4][5]. Compliance mandates recurring inspection and periodic rebuilds — which feed the aftermarket annuity — and raises the certification bar, a barrier to entry that favors incumbents. One notable easing: the CPSC withdrew its proposed table-saw flesh-detection rule in August 2025 [5].
- Energy efficiency (a demand catalyst on a staggered schedule). U.S. Department of Energy (DOE) minimum-efficiency standards now run out across the decade: commercial and industrial pumps (effective for units made on or after January 27, 2020), rotary air compressors (binding on units manufactured or imported from January 10, 2025, with an updated test procedure in 2025), and circulator pumps (standards effective 2024, compliance required from May 22, 2028). One caveat the child adds: DOE's compressor rule does not cover every product classified in 333912 — coverage is determined model by model [3].
- Fuel-dispenser rules (33391 only). Retail dispensers must meet accuracy specs in NIST (National Institute of Standards and Technology) Handbook 44, enforced by state inspectors, and the card-network "EMV at the pump" liability shift (April 2021) forced a multi-year chip-capable replacement wave [3].
- Demand-creating mandates (strongest in packaging). This is the child where regulation most directly buys equipment: the Drug Supply Chain Security Act forces unit-level serialization and vision inspection on every pharma line; Extended Producer Responsibility laws are enacted in seven U.S. states; and the EU's Packaging and Packaging Waste Regulation (EU 2025/40) applies from August 2026, pushing brand owners into redesigns that require line retooling [5].
- Environmental. Clean Air Act / EPA rules (including NESHAP for process heaters) push furnaces and engines toward cleaner and electric equipment and create demand for filtration and fume-control lines in the residual bucket; EPA vapor-recovery and Safe Drinking Water "lead-free" rules shape pump and dispenser design; and a newer thread runs through fluid power — hard-chrome rod plating carries hexavalent-chromium and PFAS exposure, and EPA's TSCA PFAS reporting rule plus the 2024 CERCLA designation of PFOA/PFOS reach seals, coatings, and specialty fluids [3][5].
- Trade policy — the one lever that moves the whole level together. Because these are metal-intensive manufacturers, Section 232 tariffs (50% on steel and aluminum since June 2025, copper added July 2025, extended to many derivative machinery products and — from 2026 — assessed on the full customs value of covered derivatives rather than their metal content, with an April 2026 action strengthening the regime further) raise input costs across all three children at once. Section 301 duties running from 7.5% up to 100% on various Chinese categories layer on top, hitting imported hoists, forklifts, batteries, hydraulic components (roughly 44–54% on certain lines), and power tools (combined duties reported in the mid-30% range, with lithium-ion batteries taxed higher still) [3][4][5]. The bills are now visible in every child: Hyster-Yale identified roughly $100 million of tariff-related cost on 2025 inventory purchases, Otis flagged about $20 million with a similar figure expected in 2026, Columbus McKinnon's gross margin fell 3.7 points on material inflation and tariffs net of price, ESAB's Americas gross margin fell 90 basis points, and both Ingersoll Rand and Atlas Copco reported tariff-driven margin dilution [3][5][7][9][10]. This cuts both ways: a cost headwind on inputs, but demand support for domestic fabrication.
8. Consolidation
The level's headline concentration says "wide open," but that is the aggregation artifact of §2 — the real story is child-by-child, and it is active consolidation with an identical strategic logic everywhere: own more of the aftermarket, because service and parts annuities are worth more than one-time machine sales. M&A (mergers and acquisitions) has been unusually heavy in 2025–26, and a second, less-noticed pattern runs alongside it — much of the resulting ownership landed in private hands.
- Pumps & compressors (33391): Ingersoll Rand's 2020 combination with Gardner Denver, then a steady bolt-on program; Honeywell's 2025 purchase of Sundyne; Xylem's $7.5B acquisition of Evoqua (2023); Dover's Wayne Fueling Systems deal (2016) and Vontier's 2020 spin-out of Gilbarco Veeder-Root from Fortive. The one deal that crossed the boundary between the two halves has now resolved: Flowserve's ~$19B all-stock merger with Chart Industries, announced June 2025, was terminated the next month after Chart pursued a competing bid, and Baker Hughes completed its acquisition of Chart (including Howden) in July 2026 — so the asset ended up on the compressor/energy side of the level rather than the pump side [3][11][12].
- Material handling (33392): a landmark year in every sub-market. KONE agreed in April 2026 to combine with TK Elevator at about €29.4 billion — a landmark private-equity exit for Advent and Cinven creating a roughly €20.5 billion-revenue business, with completion subject to approvals and expected no earlier than Q2 2027. Columbus McKinnon completed its ~$2.8 billion Kito Crosby acquisition on February 3, 2026 after 14 regulatory reviews, funded with ~$2.6 billion of debt plus an $800 million CD&R convertible preferred (~40% of the company) — and only after a DOJ-mandated divestiture, the first real antitrust bite in this group, selling its U.S. power-chain-hoist and chain operations to Pacific Avenue Capital Partners for $210 million. The Toyota Group took Toyota Industries, the world's largest lift-truck maker, private at roughly $39 billion (delisting effective June 1, 2026), Mitsubishi Logisnext delisted in April 2026, Fujitec in March 2026, and Honeywell sold Intelligrated, Trew, and Transnorm to American Industrial Partners in July 2026 [4][10][13][14][15][16].
- All other GP machinery (33399): Danfoss bought Eaton's hydraulics business for $3.3 billion (2021); Bosch Rexroth acquired HydraForce (2023), creating a ~3,900-employee compact-hydraulics unit; Woodward bought Safran's actuation line for $1.8 billion (2024); and packaging and furnaces are defined by private-equity roll-ups (ProMach under Leonard Green/BDT, Duravant under Warburg Pincus/Carlyle, Syntegon under CVC with Apollo taking a 37% minority in 2026, IMA under BC Partners) feeding on succession-driven family-firm sales. The biggest deal named anywhere in the four-digit group is Parker's $9.25 billion agreement to acquire Filtration Group — a direct bet on the aftermarket economics of §5, since 85% of the target's revenue is aftermarket [5].
Underneath the headline deals, private equity is rolling up the fragmented aftermarket in every child — independent compressor, pump, elevator, crane, and forklift service and rental networks, bought for their recurring, contract-backed cash flows (American Elevator Group alone reports 12 partner companies across 22 states servicing 30,000 elevators, and a new national elevator-service roll-up platform launched in mid-2026) [3][4][5]. U.S. antitrust agencies have signaled heightened scrutiny of exactly these serial "roll-up" strategies, though many individual deals fall below merger-notification thresholds. Net: the level will stay statistically fragmented for years simply because it spans so many separate niches, but within those niches consolidation is the persistent direction of travel — and increasingly the buyer is not a listed company.
9. Risks
Shared across the group:
- Cyclicality (the biggest) — and 2025 showed its teeth. As derivatives of industrial capex, construction, energy spending, and interest rates, all three children see new-equipment orders swing with the cycle, and operating leverage magnifies the profit hit. The 2023–25 industrial soft patch cut fluid-power shipments double digits (−14.5% year over year in November 2024), dented Lincoln Electric's Americas welding volume (−4.2%) and Stanley Black & Decker's Tools & Outdoor organic revenue (−2% on volume down 5%), swung Hyster-Yale to an operating loss on a 12% revenue decline, and pushed Oshkosh's Access segment margin from 15.6% to 11.2% on a 13.0% sales fall inside the crane code [4][5][9]. The aftermarket cushions but does not eliminate the swing.
- Input-cost and tariff whiplash. Steel, copper, aluminum, motors, and electronics dominate the cost base; Section 232/301 tariffs can squeeze margins on fixed-price engineered-to-order backlogs faster than firms can reprice, with quantified 2025 bills in every child (§7) [3][4][5].
- Import competition and FX. Foreign leaders sell aggressively into the U.S. in most sub-markets, and a strong dollar helps them and hurts domestic exporters; import dependence is extreme in power tools (~85%) and material in pumps, belting, hoists, and fluid-power components. Even the "clean domestic play" carries currency risk — ESAB books roughly 80% of sales outside the United States [3][4][5].
- Customer and channel concentration — newly quantified, and deeper than this page previously acknowledged. In power tools, Stanley Black & Decker's two largest customers were ~27% of 2025 sales and mass merchants plus home centers ~42%, while Techtronic's single largest customer was ~45.4% of revenue — retailer buying power that management explicitly links to a limited ability to pass through cost increases. The industrial children have the mirror image: a handful of large OEMs (Caterpillar, Deere, Komatsu), EPC contractors, municipalities, oil companies, and large pharma and consumer-goods buyers dominate order books in fluid power, packaging, and engineered pumps and compression [3][5].
- Supply-chain and geographic concentration. Mettler-Toledo reported China supplied ~29% of its global production and generated 29% of segment profit in 2025; Stanley Black & Decker disclosed component delays after China restricted rare-earth exports and plans to cut China production for the U.S. to under 5% by end-2026; engineered castings, motors, and components remain single-sourced in places, lengthening lead times [5].
- Aftermarket erosion. The whole quality thesis rests on retaining the service/parts/consumables annuity; generic "will-fit" parts, independent service (independents hold an estimated 30–55% of North American elevator service units), non-proprietary controllers, and right-to-repair pressure attack the highest-margin stream [4][5].
- Technology transitions. Value is shifting from steel toward software, controls, robotics, and electrification; hardware-only makers risk commoditization, and warehouse automation could even reduce the number of trucks or conveyors a facility needs [4].
- Fixed-price project and small-firm fragility. Custom systems sold with performance guarantees can turn profitable orders into losses — acute in furnaces, packaging, and the residual tail — and the private majority carries succession, key-person, and thin-capitalization risk [5].
- Product liability and legacy claims. The forms differ but the exposure is everywhere: a 2024 CPSC recall covered ~63,000 SKIL batteries after 100 reported thermal incidents; Lincoln Electric remained a co-defendant in cases involving ~1,126 asbestos plaintiffs at the end of 2025; furnace builders carry fire-and-explosion exposure that can dwarf the original equipment margin [5].
- A thin — and now shrinking — public toolkit. With at most one or two pure-plays per concentrated sub-market, the best packaging, furnace, and conveyor assets private or foreign, and four listed routes closed in 2026, single-name exposure carries concentrated company-specific risk: integration and leverage at Columbus McKinnon (~$2.6 billion of acquisition debt against a ~$0.4 billion market cap), deep cyclicality at Hyster-Yale, a diluted theme inside the diversified industrials, plus currency and governance risk abroad [4][9][10].
- Reading the federal data literally. Sizing "the industry" from the ~$125 billion manufacturing figure, inferring competition from the group HHI of 39.4, treating the crane child's receipts as the U.S. overhead-crane market, or using a code as the denominator for a global company's share all mistake the code for the market (§3).
Child-specific: the fluid-power electrification/substitution headwind inside 33399 — structural but gradual, and partly offset because adding electronics to hydraulic hardware raises content per machine [5]; the EV transition eroding gasoline-dispenser volumes in 33391 [3]; and housing/DIY cyclicality in power tools that the industrial children don't carry [5].
10. How to invest & outlook
How to invest — match the route to the child. There is no single ticker or fund for NAICS 3339, so exposure is assembled, and the form is dictated by which child you want:
- For clean listed pure-plays: material handling — Otis (OTIS) for elevators (a dividend-paying service-annuity compounder with the world's largest maintenance portfolio and a modernization backlog up 30%), Columbus McKinnon (CMCO) for cranes-plus-conveyors (a small-cap turnaround and deleveraging story after Kito Crosby), Hyster-Yale (HY) for forklifts (loss-making today, with structural electrification and automation tailwinds); and welding, inside 33399 — Lincoln Electric (LECO), the higher-margin automation-forward operator with ~$870 million of 2025 automation sales heading toward $1 billion, or ESAB (ESAB), more consumables-weighted and more emerging-market exposed, with Illinois Tool Works (ITW) as the diversified, lower-beta way in [4][5][7][9][10].
- For diffuse, cross-child exposure through diversified compounders: IDEX (IEX), Dover (DOV), Nordson (NDSN), Graco (GGG), Ingersoll Rand (IR), and Parker Hannifin (PH) each own a slice of two or more children; add Xylem (XYL), Pentair (PNR), Franklin Electric (FELE), Flowserve (FLS), ITT (ITT) for the pump/water and process side, and Moog (MOG.A), Woodward (WWD), Curtiss-Wright (CW), Donaldson (DCI), Mettler-Toledo (MTD), Enerpac (EPAC), Helios (HLIO) and distributor Applied Industrial Technologies (AIT) for fluid power and the residual bucket [3][5]. Understand you are buying these product lines inside a larger industrial story — Mettler-Toledo's laboratory instruments alone were 56% of 2025 sales, and Ingersoll Rand's ITS segment includes vacuum, blowers, air treatment, tools, and lifting alongside compressors — and that quality compounders often trade at premium multiples (frequently 20–30× earnings), which is itself the main entry-price risk. Compare them on segment organic growth, aftermarket mix, price-cost realization, backlog quality, and segment return on capital rather than consolidated multiples.
- For a U.S. natural-gas or process-gas thesis (a 33391 specialty): Baker Hughes (BKR) for large process-gas, LNG, pipeline, and CO₂ compression after absorbing Chart in July 2026 — accepting substantial energy-services, project, and integration exposure alongside it — or the gas-compression service operators (Archrock, Kodiak Gas Services, USA Compression), which track fleet utilization and gas volumes rather than machine-building margins [3][12].
- For the deepest and most focused assets — private and foreign: private-equity ownership of the packaging and furnace roll-ups (ProMach, Duravant, Syntegon, IMA), the AIP conveyor platform, co-investment and private credit lending to them, buy-and-build of independent service, dealer, and rental networks in every child, and foreign listings (Atlas Copco, Interroll, Konecranes, KONE, Schindler, KION, Jungheinrich, Krones, SECO/WARWICK, Techtronic). For packaging, furnaces, and the deepest conveyor capacity, private markets are the main way in — note that Toyota Industries, Mitsubishi Logisnext and Fujitec are no longer traded and Honeywell is no longer a conveyor route [3][4][5][15][16]. The diligence questions repeat across children: verify the installed base rather than the brand, split new machines from recurring aftermarket, measure technician density and retention, check who owns the distributor relationship, and confirm the target actually manufactures in the code rather than distributing or servicing someone else's product. Broad industrials or automation/robotics ETFs (e.g., XLI) give diffuse, single-stock-risk-free exposure to the capital-goods cycle that drives the whole level.
Reserve valuation work (multiples, dividends, free cash flow) for the individual name; as cyclicals, most of these stocks look "cheapest" on trailing earnings at cycle peaks and "expensive" at troughs, so through-cycle earnings power matters more than a spot multiple.
Outlook (forward-looking judgment, not fact). The near-term is a normal capital-goods cycle bottoming and turning up — the manufacturing PMI returned to expansion at 52.7 in March 2026 after reading 48.2 in November 2025, and order indicators across pumps, fluid power, welding, conveyors, and the residual bucket point to stabilization and modest growth [3][4][5]. The turn is not uniform: conveyor and warehouse-automation orders have already inflected while forklift backlog is still shrinking, so within one child the two largest sub-markets are at different points of the same cycle [4]. The structural case is stronger than the cycle and points the same way for most of the level: data-center and power buildout, factory construction, automation whose payback math works on its own terms, water and energy infrastructure, code-mandated safety, efficiency, serialization and environmental equipment, the long runway in electrifying industrial process heat, and a fat, defensive aftermarket that cushions every downturn. Growth diverges by pocket: packaging looks best (PMMI puts the 2024 U.S. market at $11.3 billion and projects re-acceleration toward ~8% by 2027), followed by pumps and compressors at roughly 4–6%, furnaces at ~4–5%, fluid power at ~4–4.5% with a durable electrification headwind underneath, and welding at a low-to-mid single-digit rate with robotic welding compounding faster (~8%+); elevator modernization and data-center liquid cooling are the fastest niches; power tools remain a thin domestic base under a large, import-fed, brand-driven market being reshaped by tariffs [3][4][5]. Consolidation should keep eating the fragmented tail in every child — and on 2026's evidence, more of the resulting assets will sit in private hands.
Bottom line: NAICS 3339 is a ~$125 billion, ~322,000-worker slice of U.S. machinery that is best understood as three adjacent product families — a smaller pump-and-compressor business levered to water, gas, and industrial air; a mid-sized material-handling business rotating toward recurring service and warehouse automation; and a large, seven-market "all other" bucket anchored by a filter-and-scale residual, packaging, fluid power, and welding. All three share the same picks-and-shovels, razor-and-blade, aftermarket-rich model, the same steel-and-tariff input exposure, and the same consolidation logic — and the margin ladder in §5 shows that across all three, the ordering of profitability tracks aftermarket and consumable content almost perfectly. The recurring caveats are identical too: read the concentration numbers one or two levels down (and check what the code actually contains), treat the ~$125 billion as domestic production rather than the served market, and expect to assemble your exposure — because no single stock owns this level, and the listed set is getting smaller, not larger. These are judgments about direction, not guarantees; the industrial capex cycle, tariffs, rates, China, and antitrust rulings could all move the timeline.
Sources
Synthesized from the three already-written child primers plus our ingested U.S. federal statistics for NAICS 3339.
- Histometrics ingested U.S. federal statistics — U.S. Census Bureau, 2022 Economic Census: receipts ($124,744,463 thousand), firm count (5,293), and concentration ratios (CR4 7.2%, CR8 12.9%, CR20 24%, CR50 38.8%; HHI 39.4) for NAICS 3339. https://www.census.gov/programs-surveys/economic-census.html
- Histometrics ingested U.S. federal statistics — U.S. Census Bureau, County Business Patterns 2023: establishments (5,940), employment (322,023), annual payroll ($25,984,965 thousand), and first-quarter payroll ($6,587,450 thousand) for NAICS 3339. https://www.census.gov/programs-surveys/cbp.html
- Histometrics rollup primer — NAICS 33391, "Pump and Compressor Manufacturing (U.S.)" (children 333912/333914; shipments ~$26.77B, 676 firms, 827 establishments, 57,688 employees, ~$4.82B payroll; rollup HHI 191.6 against child HHIs 377.8 and 294.7; Ingersoll Rand, Atlas Copco, Baker Hughes, Gorman-Rupp, Xylem, Flowserve, ITT, Dover, Vontier, Ariel, Grundfos; DOE pump/compressor/circulator standards, NIST Handbook 44 and EMV fuel rules; 25–30% pump import penetration; EPA $625B/$630B infrastructure needs; ~4–6% growth; drawing on Census, SEC filings, DOE/EPA, IBISWorld, Mordor Intelligence, and MarketsandMarkets).
- Histometrics rollup primer — NAICS 33392, "Material Handling Equipment Manufacturing (U.S.)" (children 333921/333922/333923/333924; shipments $40.77B, 1,444 firms, 1,653 establishments, 105,437 employees, $8.10B payroll; rollup HHI 142 against child HHIs 991.9, 957.2, 699, 77.5; Otis, Columbus McKinnon, Hyster-Yale, Interroll, Konecranes, KONE, KION; aerial-work-platform scope wrinkle inside 333923; ASME/OSHA safety codes; KONE–TKE, Kito Crosby, Toyota Industries, and Honeywell/AIP transactions; drawing on Census, SEC and foreign filings, DOJ, BLS, and industry sources).
- Histometrics rollup primer — NAICS 33399, "All Other General Purpose Machinery Manufacturing (U.S.)" (seven children — residual 333998, packaging 333993, cylinders 333995, welding 333992, fluid-power pumps 333996, furnaces 333994, power tools 333991; shipments ~$57.21B, 3,225 firms, 3,460 establishments, 158,898 employees, ~$13.07B payroll; rollup HHI 77.7; 2022 NAICS revision merging former 333997 scales into 333998; Lincoln Electric, ESAB, ITW, Parker Hannifin, IDEX, Nordson, Dover, Donaldson, Mettler-Toledo, Stanley Black & Decker, Techtronic, Krones, SECO/WARWICK; Parker/Filtration Group $9.25B; Section 232 tariffs; BLS welder projections; ISM PMI 48.2 and 52.7; A3 robot orders; fluid-power electrification headwind; drawing on Census, SEC filings, BLS, DOE, PMMI, NFPA, and company disclosures).
- Ingersoll Rand Inc., "2025 Form 10-K," SEC EDGAR (Industrial Technologies & Services segment revenue and margin; aftermarket share; tariff dilution). https://www.sec.gov/Archives/edgar/data/1699150/000162828026008617/iri-20251231.htm
- Otis Worldwide Corporation, "2025 Form 10-K," SEC EDGAR (service and new-equipment segment sales and margins; ~$14.4B global sales; ~2.5 million maintained units; modernization orders and backlog; tariff impact; union coverage). https://www.sec.gov/Archives/edgar/data/1781335/000178133526000011/otis-20251231.htm
- Konecranes Plc, "Annual Review 2025" (Industrial Service 21.8% and Industrial Equipment 9.4% margins; ~€4.2B group sales, service ~40%; power, aviation and defense order strength). https://investors.konecranes.com/sites/konecranes/files/Annual_report_2025/annual_review_2025.pdf
- Hyster-Yale Materials Handling, Inc., "2025 Form 10-K," SEC EDGAR (revenue, operating loss, gross margin, backlog, service and parts revenue, ~$100M tariff cost). https://www.sec.gov/Archives/edgar/data/1173514/000117351426000049/hy-20251231.htm
- Columbus McKinnon Corporation, "Form 10-K for fiscal year ended March 31, 2026," SEC EDGAR (FY2026 sales, market capitalization, raw-material purchases as 51% of cost of products sold, gross margin decline). https://www.sec.gov/Archives/edgar/data/1005229/000100522926000022/cmco-20260331.htm
- Flowserve Corporation, "Form 10-K, Fiscal Year 2025," SEC EDGAR (aftermarket ~53% of 2025 sales and ~42% of year-end backlog). https://www.sec.gov/Archives/edgar/data/30625/000003062526000003/fls-20251231.htm
- Baker Hughes, "Baker Hughes Completes Acquisition of Chart Industries," July 2026. https://investors.bakerhughes.com/news/press-releases/news-details/2026/Baker-Hughes-Completes-Acquisition-of-Chart-Industries/default.aspx
- TK Elevator, "KONE and TKE to combine, creating a world-class company in the elevator and escalator industry" (TKE ~€9.2B FY24/25 sales; Advent and Cinven; closing no earlier than Q2 2027), 2026. https://www.tkelevator.com/global-en/newsroom/press-releases/kone-and-tke-to-combine-creating-a-world-class-company-in-the-elevator-and-escalator-industry-197696.html
- U.S. Department of Justice, Office of Public Affairs, "Justice Department Requires Columbus McKinnon to Divest Assets to Proceed with Acquisition of Kito Crosby," 2026. https://www.justice.gov/opa/pr/justice-department-requires-columbus-mckinnon-divest-assets-proceed-acquisition-kito-crosby
- Honeywell / American Industrial Partners, "Honeywell Technologies Completes Sale of Warehouse and Workflow Solutions Business to American Industrial Partners" (Intelligrated, Trew, Transnorm; >$1B 2025 revenue, ~3,700 employees), July 2026. https://www.honeywell.com/us/en/news/press-releases/2026/07/honeywell-technologies-completes-sale-of-warehouse-and-workflow-solutions-business-to-american-industrial-partners
- 2026 delistings — Japan Exchange Group, "Delisting Decision: Toyota Industries Corporation (effective June 1, 2026)"; Logisnext Co., Ltd., "Delisting notice and ownership transition" (April 2026); Fujitec Co., Ltd., "Investor Information" (delisted March 23, 2026). https://www.jpx.co.jp/english/news/1023/20260512-12.html · https://www.logisnext.com/en/investor/stockinfo/meeting/ · https://www.fujitec.com/ir/stockholder