Personal and Household Goods Repair and Maintenance (U.S.) — Industry Primer

NAICS 2022 code 8114. NAICS is the North American Industry Classification System, the standard the U.S. government uses to define industries. This is a rollup of four child industries — 81141, 81142, 81143, and 81149 — synthesized from their primers plus our ground-truth federal statistics for the combined level. In the hierarchy, 8114 sits under subsector 811 (Repair and Maintenance), which in turn sits under sector 81, Other Services (except Public Administration). The sibling repair groups outside this page are automotive (8111), electronic and precision equipment (8112), and commercial and industrial machinery (8113).

1. Overview

This is the business of fixing the things people own — the durable, often expensive or sentimental goods in a household that are worth mending rather than throwing away. Under one four-digit federal code it gathers four otherwise-unrelated trades: the shop that repairs your mower or refrigerator, the upholsterer who re-covers your sofa, the cobbler who resoles your boots, and the "everything else" bench that fixes watches, jewelry, guns, musical instruments, bicycles, and boats. Federal statistics measure the combined level at roughly 22,613 employer locations, 81,872 paid workers, and $10.9 billion in annual employer receipts — and the true activity is materially larger, because every one of these trades is dominated by one-person operators and by repair volume that flows through adjacent retail, factory-service, and warranty channels that these tables never capture.[1][2]

For an investor, four features run through all four children and define the group:

• No pure public-market play anywhere in it. Not one of the four trades has a listed company classified inside it. Public-market exposure is always indirect — through the equipment makers, brands, retailers, warranty firms, resale platforms, and parts distributors whose ecosystem the repair trades run on.
• A private-market, Main Street opportunity. Private investors can own the activity directly: an independent shop, a franchise, a regional roll-up, or a parts/warranty layer. All four children are dominated by owner-operators financed with U.S. Small Business Administration (SBA) loans.
• Extreme fragmentation. This is one of the least-concentrated corners of the entire U.S. economy — the four largest firms in the whole group hold about 3% of revenue.[2]
• Materially undercounted. Every child skews heavily toward sole proprietors with no payroll and toward repair booked inside adjacent retail/manufacturing codes, so the employer statistics are a floor, not the market.

The distinctive value of viewing the four together is the contrast. They range from a $5.8 billion "other" catch-all down to a $209 million cobbler's trade; from steady, defensive appliance work to a shrinking mass-market shoe business splitting into a luxury pole; from trades with a rich basket of public proxies to trades with almost none. Same underlying model — skilled hands, marked-up parts, a local reputation — four very different rhythms. This primer leads with that comparison, then covers the level as a whole.

2. What's inside — the four child industries and how they differ

The group splits into four non-overlapping trades. A business that primarily sells new goods is a retailer, and one that makes them is a manufacturer; only a business that primarily repairs them lands here.[3]

• 81141 — Home and Garden Equipment and Appliance Repair. Outdoor power equipment and small-engine shops (mowers, trimmers, chainsaws) plus household-appliance technicians (refrigerators, washers, dryers). Itself a rollup of two children, 811411 and 811412.[3]
• 81142 — Reupholstery and Furniture Repair. Re-covering, refinishing, and restoring furniture instead of discarding it. A single-child level (811420).[3]
• 81143 — Footwear and Leather Goods Repair. The cobbler's trade: resoling and reheeling shoes and boots, restoring handbags, belts, and luggage. A single-child level (811430).[3]
• 81149 — Other Personal and Household Goods Repair. The "everything else" bench: watch and jewelry repair, gunsmithing, musical-instrument repair, bicycle and boat repair, garment alteration. A single-child level (811490).[3]

They are siblings, not competitors — a customer never chooses between a cobbler and a gunsmith. The interesting question is how the economics and ownership diverge.

Share figures are each child's federal receipts, establishments, and employment as a percentage of the combined level.[1][2] HHI = Herfindahl-Hirschman Index; CR4 = the top four firms' share of receipts (both explained in §8). Concentration figures are for each child measured on its own.

The one-line reading: 81149 and 81141 together are five-sixths of the group; furniture repair is a solid middle; footwear repair is a rounding error by dollars but the most interesting split-in-two story. All four are cash-generative local trades — but their growth direction, ownership, and the only way to invest in each differ enough that you would underwrite them separately.

3. How big it is (this level's rollup figures)

Federal statistics for the combined level cover only the employer side — businesses with at least one paid employee. Two series are used: County Business Patterns (CBP, an annual establishment census, 2023 vintage here) and the Economic Census concentration tables (EC, a five-year business census, 2022 vintage). Vintages differ, so treat them as complementary. The four children's figures sum to the level almost exactly.

(The establishment, employment, and quarterly-payroll columns sum exactly to the level; receipts, annual payroll, and the firm count agree to rounding — the children's firm counts sum to 21,349 against a reported 21,348.)

A few things fall out of these numbers. The average location runs about 3.6 employees, the average firm books roughly $511,000 of revenue, and average pay is about $44,800 per worker — a workforce of skilled technicians and counter staff, not high-wage professionals.[1][2] Because every child carries an SBA size cap far above its average firm's revenue (from $9.0M in equipment and footwear repair up to $19M in appliance repair), essentially every business in the group is a "small business" by federal definition.[4]

The undercount is the most important fact about the size data — and it runs the same direction in all four children. The federal figures capture only employers, and each trade is unusually skewed toward operations that never appear:

• Sole proprietors with no payroll — the retiree fixing mowers in a garage, the one-person watchmaker or gunsmith, the part-time bike mechanic, the single-bench cobbler. The Census Bureau counts these separately in its Nonemployer Statistics program; our ground-truth data set contains no federal nonemployer count for this level or any child, so we do not state one.[5]
• Repair booked in adjacent channels — appliance repair run through factory-service arms and retailer networks (e.g., Geek Squad), outdoor-equipment repair inside new-equipment dealers, and manufacturer/brand refurbishment — none of which lands in 8114.[3]

The scale of the gap is visible where third-party research exists. Independent (non-federal) estimates put the total U.S. appliance-repair market near $7 billion in 2024–2025 — roughly double the $3.59 billion the federal tables assign to all of 81141 — and the U.S. Bureau of Labor Statistics (BLS) counts about 29,950 "home appliance repairers" as an occupation, more than 81141's entire employer headcount, because many repairers work for firms classified elsewhere.[6][9] On the cobbler side, third-party research counts roughly 3,300 shoe-repair businesses and ~$315–320 million of revenue against the ~700 employer firms and ~$209 million the Census sees — implying roughly four in five operating businesses are invisible to the headline count.[7] Treat the ~$10.9 billion federal receipts figure as the measured employer floor, not the whole market.[2][5][6][7]

4. The investable universe — where value concentrates across the children

There is no pure public-market play in any of the four children, and the amount of usable indirect public exposure is itself lopsided: it is richest where the ecosystem around the trade is large and listed (equipment/appliance, 81141), thinnest where the trade is tiny and its adjacent brands are private (footwear, 81143; furniture, 81142). Tickers and scale below are company-wide — repair is a slice of a much larger business. Exchange labels: NYSE (New York Stock Exchange), Nasdaq (Nasdaq Stock Market), HKEX (Hong Kong), STO (Nasdaq Stockholm), KRX (Korea Exchange).

81141 — the deepest proxy basket (buy the razor, the blades, and the demand payer). On the equipment side, repair economics show up inside makers' high-margin parts-and-aftermarket lines and dealer networks: Toro (NYSE: TTC) is the cleanest turf/outdoor-power-equipment (OPE) proxy, with Deere (NYSE: DE), Stanley Black & Decker (NYSE: SWK, owns the MTD brands), Techtronic (HKEX: 0669) and Husqvarna (STO: HUSQ B) (battery/robotic front-runners), and Generac (NYSE: GNRC), Home Depot (NYSE: HD), and Lowe's (NYSE: LOW) more diluted. On the appliance side, value pools in the firms that pay for and route repairs: Frontdoor (Nasdaq: FTDR), the largest home-warranty provider and the closest direct public exposure in the whole group, plus Assurant (NYSE: AIZ), Whirlpool (NYSE: WHR), Best Buy (NYSE: BBY, Geek Squad), and Angi (Nasdaq: ANGI). Key private owners: Briggs & Stratton (small-engine parts, owned by KPS Capital Partners), STIHL (unlisted, family-owned), Neighborly's Mr. Appliance (~340 franchises, KKR), and Marcone (dominant appliance-parts distributor, Genstar Capital).[8][10][11][12][13][14]

81142 — thin and immaterial. The only listed touchpoints are furniture-lifecycle makers/retailers such as La-Z-Boy (NYSE: LZB), Ethan Allen (NYSE: ETD), MillerKnoll (Nasdaq: MLKN), Hooker Furnishings (Nasdaq: HOFT), and Arhaus (Nasdaq: ARHS), for whom reupholstery is a rounding error. The real ownership is private and sits one layer up: franchise brand Furniture Medic (TCB Franchising), warranty administrator Guardsman (The Amynta Group), and insurance-claims network itel — economics that have rotated through private equity.[8]

81143 — a footnote inside bigger theses. No listed repair company; exposure is a sliver of footwear brands folding recrafting into aftercare (Caleres/Allen Edmonds, Wolverine World Wide, Dr. Martens, Nike, On, Birkenstock), luxury houses monetizing lifetime repair (LVMH, Hermès, Kering), and resale platforms riding the same tailwind (The RealReal, ThredUp). The real repair economy is private — Red Wing, NuShoe, and premium mail-in restoration specialists.[7][21]

81149 — the largest child, the least investable. Despite being ~53% of the group by receipts, its public exposure is the most indirect of all: jewelry and luxury-watch retailers, boat-dealer networks, firearms makers, and an asset manager that owns an instrument-repair chain — all classified in other NAICS codes and driven mainly by selling, not repairing. The real owners are private: a few franchise/co-op brands (Fast-Fix Jewelry & Watch Repairs, REI Co-op bike shops, Guitar Center's Music & Arts) atop tens of thousands of independents.[3]

The blunt takeaway for public investors: you cannot buy any of these four trades. You buy the ecosystem around them — makers, warranty/insurance firms, retailers, resale platforms, parts distributors — and reconstruct the repair read-through from segment disclosures. The trades themselves are private-market opportunities, and the deepest proxy set (81141) is not the largest child (81149).

5. How the money works

All four children are labor-and-parts, low-capital, unit-economics businesses — a skilled technician's billable time plus a markup on parts or materials, not factory capacity or same-store retail sales. In every one the barrier to entry is skill and reputation, not money; the binding constraint is skilled-technician hours; and overhead is light (a bench, tools, a small space or a van). Bench/shop labor rates run from roughly $50 to $130 an hour depending on the trade, and the shared operating levers are the same everywhere: technician (bench) utilization, first-time-fix rate, average ticket, parts/materials gross margin, and callback/warranty rate (re-doing a job free destroys the economics).[6]

What differs is the demand-aggregation and margin structure layered on top:

• 81141 (appliance side) has the most developed third-party demand layer: home-warranty and service-contract firms funnel high volume at negotiated flat rates (trading margin for utilization), alongside consumer out-of-pocket and manufacturer-warranty channels.[8]
• 81142 routes premium work through warranty/protection-plan and insurance-restoration/claims networks that earn insurance-like economics on the premium-versus-claims spread — the most scalable slice of that trade.
• 81143 monetizes two escapes from a shrinking local market: mail-in (extending catchment beyond walk-in range) and premium restoration (a luxury bag or collectible sneaker commands multiples of a basic reheel).[7]
• 81149 is mostly direct-to-consumer — a bench rate plus parts markup, with a mild countercyclical tilt on expensive durable goods (people fix the watch, gun, or boat rather than replace it).

Across all four, the master switch is repair-versus-replace: cheap imported units push customers toward "replace," while higher new-goods prices push them toward "repair." Cash conversion is generally strong and capital intensity low, which is precisely why these are attractive owner-operator and small-platform businesses even though none can scale like a factory.

6. What drives demand

Shared across all four children:

• The installed base. Demand tracks how many machines, sofas, boots, watches, and boats are in service and how hard they are used — a large but slow-growing pool, so baseline volume is broadly flat.
• Repair-versus-replace economics. The master switch. Cheap imports pull toward replacement; rising new-goods prices (and 2025 tariff pressure) pull back toward repair.
• Technician scarcity. Every trade is capacity-constrained by an aging, thinly-replenished workforce — watchmakers, gunsmiths, upholsterers, cobblers, appliance techs. In many markets the binding constraint is finding a technician, not a customer, which hands pricing power to the shops that remain.[6][20]
• Right-to-repair and sustainability. Easier access to parts, tools, and diagnostics, plus a cultural tilt toward mending over discarding, supports the independent channel across the board.

Distinct emphases: 81141 adds weather and sharp spring seasonality (equipment), appliance essentiality and a countercyclical tilt, and a longer-run gas-to-battery electrification shift; 81142 leans on rising furniture prices and the "fast furniture" backlash; 81143 and the watch/luxury slice of 81149 ride the secondhand-luxury and resale boom (a market on a path toward ~$360 billion by 2030), which makes restoring a designer bag, collectible sneaker, or fine watch rational; and 81149 adds gun, instrument, and boat cycles tied to ownership of those specific durable goods.[6][7][21]

7. Regulation

This is a lightly regulated set of Main Street trades — mostly ordinary local business rules, sales tax, state licensing, and workplace/environmental standards — but each child carries a different signature overhang, and that difference is a genuine diligence item:

• 81141 — refrigerants and engine emissions. A technician opening a sealed refrigerant system must hold EPA Section 608 certification (the U.S. Environmental Protection Agency's Clean Air Act rule), and the hydrofluorocarbon phasedown is changing sealed-system practice. On the equipment side, the California Air Resources Board (CARB) rule on Small Off-Road Engines (SORE) requires most new gas equipment to be zero-emission from model year 2024 — a ban on new gas sales, not on using or repairing the existing fleet, which near-term actually supports repair demand.[16][15]
• 81142 — furniture flammability. The Consumer Product Safety Commission (CPSC) upholstered-furniture flammability standard (16 CFR Part 1640) reaches furniture reupholstered for sale, though reupholstery of a customer's own furniture is generally excluded; add state bedding/upholstery registration and law-tag labeling.[17]
• 81143 — almost nothing. Generally no occupational license to be a cobbler; the binding rules are ordinary small-business chemical-safety and waste rules. The one big indirect lever is trade policy on new footwear, which moves the replace-versus-repair line.
• 81149 — gunsmithing is the exception. Anyone repairing or modifying firearms for pay must hold a Federal Firearms License (FFL) from the Bureau of Alcohol, Tobacco, Firearms and Explosives (ATF), with background-check paperwork on returned guns; other niches (jewelry, boats) carry precious-metals or marine rules.[18]

Shared themes: right-to-repair is a live tailwind for independents across the group — the Federal Trade Commission (FTC) has warned that conditioning warranties on branded parts or servicers can violate the Magnuson-Moss Warranty Act, and a wave of state laws now require makers to provide parts, tools, and documentation; the countervailing risk is manufacturer control of parts and software.[19] All four also face routine Occupational Safety and Health Administration (OSHA) chemical-safety and hazardous-waste obligations (solvents, adhesives, used oil, refrigerants, lithium-ion batteries) plus state and local licensing.

8. Competitive dynamics and consolidation

Measured at the combined level, this is one of the least-concentrated corners of the U.S. economy. The Herfindahl-Hirschman Index (HHI) — the standard antitrust concentration measure, where 10,000 is a monopoly and anything under 1,500 is "unconcentrated" — is just 4.5 for 8114, and the top four firms hold only 3.2% of revenue (top 8: 4.6%; top 20: 7.3%; top 50: 11.6%).[2] That is close to textbook perfect competition.

Note that the level's HHI (4.5) sits below every child's (10.5–102): combining four sub-industries that don't compete with each other mechanically dilutes measured concentration, so the group figure understates how fragmented each individual trade already is. Even the "most concentrated" child, footwear repair at an HHI of ~102, is barely off the floor.[3]

Competition is local in all four — reputation, turnaround/response speed, parts access, first-time-fix, and proximity — and barriers to entry are low, so the moat is a customer list and a fast, trustworthy bench, not scale. Crucially, service delivery stays stubbornly local (a sofa, a boot, a refrigerator has to be worked on by hands nearby), which is why roll-ups cannot build factory-style scale and why consolidation happens one layer up, not among the shops:

• Franchising — Mr. Appliance (KKR) in 81141; Furniture Medic in 81142; Fast-Fix and Music & Arts in 81149.
• Demand aggregation — home-warranty (Frontdoor) and service-contract (Assurant) firms in appliance; warranty/insurance-claims networks (Guardsman, itel) in furniture.
• Parts distribution — Marcone (Genstar) in appliance; supplier-level ownership (KPS/Briggs, Stanley Black & Decker/MTD) in equipment.

The dominant force across the whole group over the next decade is succession, not competition. An aging owner base and a thin training pipeline simultaneously cap capacity and generate a steady stream of motivated sellers. The private-equity roll-up wave that swept adjacent home services (heating and plumbing) has largely not reached these craft trades — the binding constraint is skilled labor, not capital, and a buyer's hard problem is that owner knowledge, local reputation, and technician relationships often outweigh the physical shop.

9. Risks

Shared across the level:

• Technician scarcity and succession. An aging, thinly-replenished workforce caps growth, inflates wages, and complicates owner transfers in every child — the single most important structural risk.
• Repair-versus-replace erosion. Cheap imported equipment, furniture, footwear, and low-end goods keep pulling marginal jobs toward replacement.
• OEM control of parts and software. If original-equipment manufacturers (OEMs) lock down parts, diagnostics, or warranty work, independents lose the ability to service newer goods — the flip side of the right-to-repair fight.
• Owner dependence and no scalable public vehicle. These are thinly-capitalized, owner-dependent operations; and because public companies rarely disclose repair revenue separately, sector exposure must be reconstructed and cannot be bought directly.
• Measurement opacity. Employer-only federal statistics understate the nonemployer tail and adjacent-channel repair, so the market is imperfectly known.[4][5]

Weighted toward specific children: the battery/electrification transition in equipment repair (cordless machines shrink the highest-frequency routine work), warranty-channel concentration in appliance (a few payers can push reimbursement down), secular mass-market decline in footwear, custody risk in 81149 (loss, theft, or damage to customers' valuable watches, guns, and boats), and tariff-driven input-cost pressure on parts and materials across the board.

10. How to invest and the outlook

Public-market routes — indirect everywhere, and honest to say so. There is no listed pure-play in any of the four trades. The usable exposure differs by child: 81141 offers the deepest basket (equipment makers like Toro for the parts-and-aftermarket read-through, and warranty/retail names like Frontdoor for the demand-payer read-through); 81143 and the luxury slice of 81149 are footnotes inside footwear, luxury, and resale theses; 81142 and the rest of 81149 have essentially no clean vehicle. In every case, analyze these as diversified businesses with after-sales exposure — read filings for parts, recrafting, warranty, and service-network disclosure rather than valuing them as repair companies.[8][10]

Private-market routes — direct ownership, and this is where the opportunity is. This is fundamentally a Main Street, SBA-financed opportunity, and the retiring-owner wave is producing sellers across all four trades:

• Buy an operating shop in a premium, durable niche — an appliance shop with dense routes and warranty work, an up-market upholstery or antiques restorer, a national mail-in cobbler, or a watch/jewelry, gunsmithing, or high-end instrument/boat bench — or franchise into a branded concept for systems and demand.
• Build a local roll-up — combine owner-operators for route density and purchasing power, underwriting on normalized owner earnings, revenue per technician, utilization, callbacks/warranty reimbursement, and cash conversion — accepting that integration is hard because value lives in people, not premises.
• Own the layer above the shops — parts distribution, franchising, or the warranty/insurance-claims networks that route work and earn insurance-like spreads across many shops without carrying labor risk. This is where institutional capital has historically captured value.

Outlook (forward-looking judgment, not reported fact — our ground-truth data contain no federal forecast, growth rate, or nonemployer count, so none is asserted). The base case is a durable, fragmented, cash-generative repair economy growing at roughly low-single-digit nominal rates from a large installed base, with two structural shifts inside it. First, value migrates toward the poles: toward defensive, essential, aggregation-friendly work (appliance repair, warranty/insurance networks) and toward the premium end of the craft trades (luxury handbag and collectible-sneaker restoration, fine-watch service, antiques), while the cheap mass-market middle keeps leaking to replacement. Second, the binding constraint everywhere is technician supply and owner succession, not competition — which caps organic growth but hands pricing power and a motivated-seller pipeline to disciplined operators. For public investors, all four remain themes you rent through the surrounding ecosystem rather than sectors you can buy; for private and operator-investors, the combination — steady cash flow, cheap entry, retiring sellers, low capital intensity, and almost no institutional competition — is the entire attraction, offset by a skilled-labor ceiling on how large any single owner can grow. For the full detail on each trade, see the child primers for 81141, 81142, 81143, and 81149.

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Sources

1. U.S. Census Bureau, County Business Patterns 2023 — establishments, employment, and payroll for NAICS 8114 and its children 81141/81142/81143/81149 (Histometrics federal-statistics ingest). https://www.census.gov/programs-surveys/cbp.html
2. U.S. Census Bureau, 2022 Economic Census — Concentration of Largest Firms (EC2200SIZECONCEN) — firms, receipts, concentration ratios (CR4/CR8/CR20/CR50), and HHI for NAICS 8114 and children (Histometrics ingest). https://data.census.gov/table/ECNSIZE2022.EC2200SIZECONCEN
3. U.S. Census Bureau, 2022 NAICS Definitions — 8114, 81141, 81142, 81143, 81149 and their six-digit national industries (scope, exclusions, retail/manufacturing carve-outs). https://www.census.gov/naics/?input=8114&year=2022&details=8114
4. U.S. Small Business Administration, Table of Small Business Size Standards (repair-trade receipts caps: $9.0M for 811411/811430; up to $19M for 811412), 2023. https://www.sba.gov/document/support-table-size-standards
5. U.S. Census Bureau, Nonemployer Statistics (methodology and coverage of sole-proprietor businesses without payroll), 2024. https://www.census.gov/programs-surveys/nonemployer-statistics.html
6. IBISWorld / independent industry data, Appliance Repair in the US — Market Size and Statistics (total market ~$6.8–7.0B 2024–2025; median repair ~$277; technician shortage; tariff pressure). Third-party, non-federal estimates, 2025. https://www.ibisworld.com/united-states/market-size/appliance-repair/1710/
7. IBISWorld, Shoe Repair in the US — Market Size / Number of Businesses (~$315–320M revenue 2024–2025; ~3,300 businesses; mail-in and premium growth). Third-party, non-federal estimates, 2025. https://www.ibisworld.com/united-states/market-size/shoe-repair/1714/
8. Frontdoor, Inc., 2025 Form 10-K (largest U.S. home-warranty provider; dispatched contractor network); and furniture-repair aggregators Furniture Medic (TCB Franchising), Guardsman (The Amynta Group), and itel, per the 81142/811420 primer. 2026. https://www.sec.gov/cgi-bin/browse-edgar?action=getcompany&CIK=0001727263
9. U.S. Bureau of Labor Statistics, Occupational Employment and Wage Statistics — Home Appliance Repairers (49-9031), May 2023 (~29,950 employed; excludes self-employed). 2024. https://www.bls.gov/oes/2023/may/oes499031.htm
10. The Toro Company, Form 10-K (turf/OPE maker with dealer, parts, and authorized-service networks; closest equipment-side proxy). 2025. https://www.sec.gov/cgi-bin/browse-edgar?action=getcompany&CIK=0000737758
11. Assurant, Inc., Form 10-K — Global Lifestyle segment (extended service contracts for appliances and electronics). 2025. https://www.sec.gov/cgi-bin/browse-edgar?action=getcompany&CIK=0001267238
12. Neighborly / KKR, Mr. Appliance — Our Brands (~340 franchise units); KKR to Acquire Neighborly. 2021–2026. https://www.neighborlybrands.com/our-brands/mr-appliance/
13. Genstar Capital, Acquisition of Marcone (dominant appliance-parts distributor). 2021. https://www.gencap.com/
14. KPS Capital Partners, Briggs & Stratton (small-engine and aftermarket-parts supplier; portfolio company after 2020 Chapter 11). 2020–2026. https://kpsfund.com/investments/briggs-stratton/
15. California Air Resources Board, 2021 Amendments to the Small Off-Road Engine (SORE) Regulations (most new SORE zero-emission from model year 2024 under AB 1346; bans new gas sales, not use/repair). 2021. https://ww2.arb.ca.gov/our-work/programs/small-road-engines-sore/2021-amendments-small-road-engine-regulations
16. U.S. Environmental Protection Agency, Section 608 Technician Certification Requirements (Clean Air Act refrigerant handling; HFC phasedown). 2026. https://www.epa.gov/section608/section-608-technician-certification-requirements
17. U.S. Consumer Product Safety Commission, Standard for the Flammability of Upholstered Furniture (16 CFR Part 1640, based on California TB 117-2013). 2021. https://www.cpsc.gov/Regulations-Laws--Standards/Rulemaking/Final-and-Proposed-Rules/Upholstered-Furniture
18. Bureau of Alcohol, Tobacco, Firearms and Explosives (ATF), Federal Firearms Licenses (Type 01 FFL; gunsmithing; Form 4473 / NICS requirements). 2025. https://www.atf.gov/firearms/federal-firearms-licenses
19. Federal Trade Commission, FTC Warns Companies to Stop Warranty Practices That Harm Consumers' Right to Repair (Magnuson-Moss Warranty Act); state right-to-repair laws. 2024. https://www.ftc.gov/news-events/news/press-releases/2024/07/ftc-warns-companies-stop-warranty-practices-harm-consumers-right-repair
20. Watch Insider, In-Depth: The industry's chronic shortage of watchmakers (U.S. watchmaker gap and service backlogs). 2024–2025. https://watchinsider.com/in-depth-the-industrys-chronic-shortage-of-watchmakers/
21. Signals (Santa Clarita Valley Signal), Premium Handbag Repair Is Becoming Luxury's Next Aftercare Market (luxury restoration growth; secondhand luxury ~$360B by 2030; LVMH/Hermès in-house repair). 2026. https://signalscv.com/2026/06/premium-handbag-repair-is-becoming-luxurys-next-aftercare-market/

The public-market proxy names, franchise/PE ownership, unit economics, and full source lists for each trade are developed in the child primers — NAICS 81141 (with its own children 811411/811412), 81142/811420, 81143/811430, and 81149/811490 — from which the figures on this rollup page are synthesized.