Public Reference

Industry Primers

Bottom-up NAICS industry primers written for both public-market and private investors. Leaf industries are researched from the ground up; every group, subsector, and sector above them reads as a contrast across the industries beneath it.

2122 industries · 24 sectors · NAICS 2022

Researched with AI assistance from official U.S. statistics and independent sources, with citations on every page. Figures are not individually verified against pinned evidence — primers marked Evidence-verified are. Industry research, not investment advice. Methodology.

IndustryNAICS 42352Wholesale Trade

Coal and Other Mineral and Ore Merchant Wholesalers (U.S.) — NAICS 42352

An investor's primer (rollup level). NAICS (North American Industry Classification System) code 42352 is the five-digit industry covering U.S. businesses that buy coal, coke, and metal ores and minerals from producers and resell them to power plants, steelmakers, and industrial users. This is a short overview page: NAICS 42352 contains exactly one child industry, 423520, so the two are effectively the same thing. For full detail, read the 423520 primer.

1. Overview

NAICS 42352 is the middleman layer of the coal-and-minerals supply chain: independent traders, brokers, and producer marketing arms that take title to coal, coke, metal ores, and industrial minerals and move them from mines to end users. They are not miners and not the factories that consume the material — they are the merchants in between.

For an investor, the key facts are simple. This is a thin-margin, high-volume, cyclical trading business: firms make money on the spread between what they pay a producer and what they collect from a buyer, plus the value they add through blending grades, arranging rail/barge/ocean freight, financing counterparties, and hedging price risk. Roughly $24 billion of sales move through only about 2,150 workers [1][2] — the classic signature of a pass-through commodity-trading industry.

The other thing to fix in your mind up front is that the way in depends entirely on what kind of investor you are. Public markets offer no pure-play at all, only adjacent producers, a coke maker, a railroad, and one global trader-miner. The businesses this code actually describes are private, and reaching them means credit, joint ventures, or logistics assets rather than equities. Both routes are laid out in the 423520 primer.

2. What's inside — and why this level equals its one child

At the six-digit (most detailed) level, NAICS breaks 42352 into national industries. Here there is only one:

Child code Name Relationship to 42352
423520 Coal and Other Mineral and Ore Merchant Wholesalers The entire industry — 100% of it

Because the five-digit industry has a single six-digit child, 42352 and 423520 are the same set of firms with the same numbers. This page exists only to give you the rollup figures and orient you; all substance — company lists, how the trading desk earns, demand engines, regulation, risks — lives in the 423520 primer.

What's in scope: merchant wholesale distribution of coal and coal dust; coke and related fuels; metal ores and concentrates (iron, manganese, bauxite/aluminum, zinc, lead); and nonmetallic minerals such as fuller's earth [3][4]. "Merchant wholesale" means the firm takes ownership and resells — unlike a commission-only agent or broker who never holds title, which belongs in NAICS 425120 [3]. Notably out of scope: sand and gravel (NAICS 423320), petroleum (NAICS 4247), precious metals and gems (NAICS 423940), and the mining of coal and ore itself (NAICS 2121/2122) [4].

Two structural facts about the population inside this single code are worth carrying up to this level. It is a barbell: a handful of large trading houses and producer marketing arms — names like Peabody COALSALES and United Coal Company appear among the code's largest establishments — sit above a long tail of small private regional brokers [4]. And the work is physical, not clerical: in 2024 rail carried 71.4% of U.S. coal shipments, river transport 11.0%, trucks 7.8%, and tramways or conveyors 9.8%, with electric utilities and independent power producers taking 90.5% of shipments, non-coke industrial plants 5.5%, coke plants 3.8%, and commercial or institutional users 0.2% [5].

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

Ground-truth federal statistics for NAICS 42352. Because the level equals its one child, these are identical to 423520's:

Metric Value Source (year)
Sales / receipts ~$24.0 billion 2022 Economic Census [1]
Firms 238 2022 Economic Census [1]
Establishments 284 County Business Patterns 2023 [2]
Employment 2,151 County Business Patterns 2023 [2]
Annual payroll ~$284.6 million County Business Patterns 2023 [2]
Four-firm concentration (CR4) 47.8% 2022 Economic Census [1]
Top-8 / Top-20 / Top-50 share 69.3% / 88.4% / 96.6% 2022 Economic Census [1]
Herfindahl-Hirschman Index (HHI) 776.6 2022 Economic Census [1]
SBA small-business size standard 200 employees SBA size standards 2023 [6]

Two features stand out. Sales per worker are enormous — about $24 billion across roughly 2,150 people is on the order of $11 million of sales per employee [1][2], with payroll barely 1% of sales. That is what commodity trading looks like: a few well-paid people moving very large dollar volumes of material they buy and immediately resell. And the industry is top-heavy but not monopolized: the four largest firms handle almost half of revenue (CR4 47.8%), yet the HHI of 776.6 sits well below the 1,500 line U.S. antitrust regulators treat as "moderately concentrated" [1].

Undercount caveat. The $24 billion figure materially understates the real footprint of U.S. coal-and-ore distribution, because (a) big miners run in-house marketing and export desks counted under mining, not here — the largest U.S. coal exporter, Xcoal, is one such marketer; (b) most utility coal moves under long-term contracts negotiated directly between mine and power plant, bypassing the merchant layer [7]; and (c) global houses (Glencore, Trafigura, Vitol, Mercuria) book large U.S. coal and iron-ore volumes through affiliates classified elsewhere or offshore. For scale, the commodity U.S. coal market was worth roughly $68 billion in 2024 [8] — versus $24 billion of merchant-wholesale receipts.

4. The investable universe

There is no publicly traded, pure-play U.S. coal/ore merchant wholesaler. All the genuine 42352 wholesalers are private. Because the level equals its one child, value concentrates exactly where the 423520 primer describes: public-market investors reach the theme indirectly through coal producers that also market coal (NAICS 2121/2122), a coke maker, a railroad, and one global trader-miner — Glencore, Peabody, Core Natural Resources, Alpha Metallurgical, SunCoke, Warrior Met, Ramaco, Hallador, and CSX for transportation exposure [9]–[18]. The actual merchant wholesalers — Xcoal, Javelin Global Commodities, Gerald Group, the U.S. desks of Trafigura, Mercuria, and Vitol, plus Oxbow in petroleum coke and industrial carbon and DTE Vantage in coal blending and transshipment — are privately held [19]–[25].

One consequence of that ownership split is worth stating at this level: the only place merchant economics are visible at scale is in the disclosures of the global houses, whose scope is far wider than this code. Glencore's Marketing arm produced $2.9 billion of adjusted earnings before interest and tax in 2025, inside its stated long-run $2.3–3.5 billion range [10], and Trafigura's Metals and Minerals segment turned $73.3 billion of fiscal-2025 revenue into $2.0 billion of operating profit before depreciation and amortization [22]. Neither is a U.S.-only figure, and neither maps onto NAICS 42352 — but together they show the shape of the business the federal statistics can only imply. Company-by-company detail (tickers, revenue, and what each firm is) is in Section 4 of the 423520 primer.

5. How the money works

A merchant wholesaler is a spread business layered on logistics and risk management. Owners earn through: the trading spread (dollars per ton, and thin); quality and geographic arbitrage (blending coals to a buyer's exact spec, moving tons from weak to strong markets); logistics margin from controlling rail cars, barges, terminals, and ocean freight; financing and credit intermediation for smaller counterparties; and hedging on the CME (Chicago Mercantile Exchange) and ICE (Intercontinental Exchange) plus over-the-counter (OTC) contracts settling against published indices [26]. Pricing keys off benchmarks — Powder River Basin, Central and Northern Appalachian grades domestically; Newcastle, API2, and Australian premium hard coking coal internationally [7][26].

Three points the child research sharpens are worth carrying up. Freight is a first-order cost, not overhead: transporting coal to the U.S. electric-power sector averaged $17.55 per ton in 2024, down from $19.23 in 2023 [27]. There is no single "coal price": the 2024 average U.S. mine sales price was $52.47 per short ton, but thermal coal averaged $37.85 and metallurgical coal $180.02 [28] — product quality and end market, not tonnage, decide where the money is. And working capital is the balance sheet: merchants pay suppliers and freight providers well before collecting, finance routine trading through self-liquidating trade-finance facilities, and hold corporate credit lines against derivative margin calls [22].

The metrics that matter are trading-desk metrics — tons handled, gross margin per ton, inventory days and working-capital turns, counterparty exposure, and the shape of the forward price curve. The punchline: volatility is the product — dislocations create the arbitrage, but the same swings can produce mark-to-market losses. Full mechanics are in the child primer.

6. What drives demand

Three product families, three demand engines: thermal (steam) coal → electricity; metallurgical (coking) coal and coke → steel; and metal ores and industrial minerals → metals manufacturing.

The thermal leg is shrinking but not smoothly. Coal now supplies only ~15–17% of U.S. power from a fleet down 43% since its 2010 peak [29]; U.S. coal consumption fell 3.5% to 410.9 million short tons in 2024, of which electricity generation took 373.3 million, and in primary-energy terms hit 7.9 quadrillion Btu — the lowest in the federal series back to 1949 [28]. Yet first-quarter 2025 consumption ran 18% above the prior year as natural-gas prices rose [30], and load growth from AI (artificial intelligence) data centers has since kept aging plants running [31]. The metallurgical and ore legs answer to global steel and seaborne trade rather than U.S. power: total U.S. coal distribution was 502.2 million short tons in 2024, with domestic distribution down 13.5% to 393.9 million while foreign distribution rose 8.1% to 108.3 million — 56.6 million tons metallurgical and 51.7 million thermal [5][28] — before exports fell to about 93 million tons in 2025 as Chinese tariffs cut U.S.-to-China shipments by roughly 92% [32]. The "other mineral and ore" half of the code has its own driver: the 2025 U.S. critical-minerals list runs to 60 commodities, with the United States completely net-import-reliant for 13 and at least half import-reliant for 20 more, and China the primary import source for 8 of those 33 categories [33] — sourcing diversification and inventory buffers are merchant work.

7. Regulation

Wholesalers are lightly regulated as businesses, but their fortunes are set by rules aimed at their customers and their commodities: Environmental Protection Agency (EPA) power-plant rules are the master switch for thermal demand (2025 Trump-administration executive orders push to keep coal plants open, roll back EPA limits, and expand federal coal leasing, explicitly citing data-center demand) [34][35][36]; trade policy moves the export book overnight [32]; the Surface Transportation Board (STB), Federal Maritime Commission (FMC), and Mine Safety and Health Administration (MSHA) touch the physical chain; and the Commodity Futures Trading Commission (CFTC) oversees the futures and swaps traders use to hedge.

The child research adds a compliance dimension this page previously omitted, and it belongs at the rollup level because it is the one regulatory exposure that falls on the merchant itself rather than on its customers. Cross-border trading routinely involves state-owned producers, opaque intermediaries, and sanctioned jurisdictions: OFAC restricts parts of the Russian metals and mining sector [37], and in 2024 Trafigura pleaded guilty to a Foreign Corrupt Practices Act conspiracy and agreed to pay more than $126 million [38] — a sum that can overwhelm years of thin per-ton spreads. The recurring investor risk remains policy whipsaw: demand can be turned up or down by executive action, and direction flips between administrations.

8. Consolidation

Competition turns on relationships, balance-sheet strength, logistics control, and market intelligence, not product differentiation. Two forces are reshaping the field: producers are absorbing the merchant function through in-house marketing desks and joint ventures — reinforced by the January 2025 CONSOL–Arch merger into Core Natural Resources [12], and visible in how tightly producers lock up their own volume, with 87% of Peabody's 2025 mining sales volume committed under long-term agreements [39] — and global trading houses are pushing into metals and ore, with Vitol hiring iron-ore traders away from Glencore and Trafigura [23]. The result is a concentrated top with a shrinking, defensible tail — top four ~48% of revenue, top 50 ~97% [1] — where small brokers survive only on a logistics niche or regional relationship.

9. Risks

The main risks (detailed in the child primer): secular decline of thermal coal (domestic fleet scheduled to fall from ~172 gigawatts in mid-2025 toward ~145 by end-2028) [40]; commodity-price and inventory risk on thin per-ton margins; basis and quality risk — a benchmark hedge may not track the purchased grade, location, or delivery period, and disputes over moisture, calorific value, sulfur, ash, or ore assay can change settlement values or cause rejection; counterparty and credit risk (a history of producer bankruptcies); trade and tariff shocks [32]; capital and insurance pullback (ESG) from coal; policy reversibility; logistics disruption; and sanctions and anti-corruption exposure, which the Trafigura case shows can dwarf a trading book's annual margin [38].

10. How to invest and the outlook

Because no listed pure-play wholesaler exists, public investors approximate the theme through the trader-miner Glencore — the truest proxy for the trading model [9][10] — U.S. coal producers with marketing arms, coke maker SunCoke, and railroads such as CSX for transportation exposure [18]. These are volatile, deep-cyclical equities carrying far more mining/production risk than the asset-light trading business this code describes. Private exposure comes through trade finance and private credit to traders and producers, minority stakes or joint ventures in marketing platforms, or ownership of the logistics assets (export terminals, barge fleets, rail access) every trader must rent [19]–[25]; the underwriting question is gross spread after logistics, inventory turns, collateral control, hedge basis, assay procedures, customer concentration, sanctions controls, and liquidity — not headline sales. The near-term picture is cyclical support over structural decline: AI/data-center power growth and supportive 2025 policy are delaying coal-plant retirements [31][34][40], premium coking coal has been volatile but firm into early 2026 [41], and thermal exports stay hostage to seaborne prices and China trade policy [32], while the long-run trajectory of U.S. thermal coal stays downward [29][40] and the pull toward export and metallurgical markets favors scale, balance sheet, and global reach. Full routes and outlook are in Section 10 of the 423520 primer.


Sources

  1. U.S. Census Bureau, 2022 Economic Census — Concentration of Largest Firms / receipts, firm count, CR4–CR50, HHI, NAICS 423520 (ingested federal statistics), 2022. https://www.census.gov/programs-surveys/economic-census.html
  2. U.S. Census Bureau, County Business Patterns 2023 — establishments, employment, annual payroll, NAICS 423520 (ingested federal statistics), 2023. https://www.census.gov/programs-surveys/cbp.html
  3. U.S. Census Bureau, 2022 NAICS Manual — NAICS 423520 definition and scope, 2022. https://www.census.gov/naics/reference_files_tools/2022_NAICS_Manual.pdf
  4. U.S. Census Bureau / NAICS Association, NAICS 423520 — Coal and Other Mineral and Ore Merchant Wholesalers: illustrative examples and cross-references, 2022. https://www.naics.com/naics-code-description/?code=423520
  5. U.S. Energy Information Administration, Annual Coal Distribution Report, 2024. https://www.eia.gov/coal/distribution/annual/
  6. U.S. Small Business Administration, Table of Small Business Size Standards (NAICS 423520 = 200 employees), 2023. https://www.sba.gov/document/support-table-size-standards
  7. U.S. Energy Information Administration, Coal explained: prices and outlook (long-term contracts vs. spot; benchmark grades), 2025. https://www.eia.gov/energyexplained/coal/prices-and-outlook.php
  8. IndexBox, United States' Coal Market Overview 2024 (commodity market ~$67.8B), 2024. https://www.indexbox.io/blog/coal-united-states-market-overview-2024/
  9. Statista / Wikipedia, Glencore group revenue (~$230B+), 2024–2025. https://www.statista.com/statistics/274687/total-revenue-of-glencore-xstrata/
  10. Glencore, Preliminary Results 2025 (Marketing adjusted EBIT $2.9B; long-run $2.3–3.5B range), 2025. https://www.glencore.com/media-and-insights/news/preliminary-results-2025
  11. Oil City News, Peabody reports total 2024 revenues over $4 billion (~$4.2B), 2025. https://oilcity.news/general/2025/02/13/peabody-reports-total-2024-revenues-over-4-billion-2/
  12. Core Natural Resources / industry reporting, CONSOL Energy–Arch Resources merger creating Core Natural Resources, January 2025, 2025. https://www.mining.com/
  13. Alpha Metallurgical Resources, Fourth Quarter and Full Year 2024 Financial Results (~$2.96B revenue), 2025. https://www.prnewswire.com/news-releases/alpha-announces-financial-results-for-fourth-quarter-and-full-year-2024-302387869.html
  14. U.S. Securities and Exchange Commission / SunCoke Energy, 2024 Form 10-K / earnings (~$1.94B revenue; largest independent coke producer in the Americas), 2025. https://www.sec.gov/Archives/edgar/data/1514705/000162828024002810/sxcearningsrelease10k202.htm
  15. Warrior Met Coal, Fourth Quarter and Full Year 2024 Results (~$1.5B revenue), 2025. https://www.businesswire.com/news/home/20250213088475/en/Warrior-Met-Coal-Reports-Fourth-Quarter-and-Full-Year-2024-Results
  16. Ramaco Resources, Fourth Quarter and Full-Year 2024 Results (~$0.69B revenue), 2025. https://www.prnewswire.com/news-releases/ramaco-resources-reports-fourth-quarter-and-full-year-2024-results-302397514.html
  17. Hallador Energy, Fourth Quarter and Full Year 2024 Results (~$0.40B revenue), 2025. https://www.globenewswire.com/news-release/2025/03/17/3044085/0/en/Hallador-Energy-Company-Reports-Fourth-Quarter-and-Full-Year-2024-Financial-and-Operating-Results.html
  18. CSX Corporation, 2025 Form 10-K, 2025. https://www.sec.gov/Archives/edgar/data/277948/000027794826000006/csx-20251231.htm
  19. Global Energy Monitor / BNamericas, Xcoal Energy & Resources — privately held; largest exporter of U.S.-origin coal, 2024. https://www.gem.wiki/Xcoal_Energy_%26_Resources
  20. PR Newswire / Javelin Global Commodities, Javelin coal-marketing joint ventures and company overview, 2019–2024. https://javelincommodities.com/overview/who-we-are/
  21. Gerald Group, Metals and mineral-ore trading (iron ore, copper, aluminum, tin, manganese, critical minerals), 2024. https://www.gerald.com/
  22. Trafigura, 2025 Financial Review (Metals and Minerals segment $73.3B revenue, $2.0B operating profit; trade-finance and working-capital model), 2025. https://www.trafigura.com/news-and-insights/insights/2025-trafigura-annual-results/financial-review/
  23. Mining.com, Vitol hires Glencore, Trafigura iron-ore traders in metals push, 2024. https://www.mining.com/web/vitol-hires-glencore-trafigura-iron-ore-traders-in-metals-push/
  24. Oxbow, Solutions — petroleum coke, industrial carbon, terminals, bulk logistics, 2024. https://www.oxbow.com/Solutions
  25. DTE Vantage / DTE Energy, Coal blending and transshipment services, 2024. https://dtevantage.com/company/
  26. Tradition, The U.S. Coal Market Primer (CME/ICE and OTC coal futures; PRB and CSX/CAPP benchmarks), 2024. https://tradition.com/CoalPrimer/CoalPrimer.html
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  28. U.S. Energy Information Administration, Annual Coal Report 2024 (consumption 410.9M short tons; mine prices; export breakdown), 2025. https://www.eia.gov/coal/annual/pdf/acr.pdf
  29. Energy Innovation, What is coal's future in the United States? (coal ~15% of generation; fleet down 43% from 2010), 2025. https://energyinnovation.org/expert-voice/what-is-coals-future-in-the-united-states/
  30. U.S. Energy Information Administration, First-quarter 2025 coal consumption up 18% year-over-year, 2025. https://www.eia.gov/todayinenergy/detail.php?id=65787
  31. E&E News (POLITICO), AI gives coal plants a lifeline as data-center demand rises, 2025. https://www.eenews.net/articles/ai-gives-coal-plants-a-lifeline-as-trump-makes-them-dirtier/
  32. U.S. Energy Information Administration, U.S. coal exports decreased in 2025 after four years of growth (108 MMst in 2024 → 93 MMst in 2025; China tariff impact), 2026. https://www.eia.gov/todayinenergy/detail.php?id=67405
  33. U.S. Geological Survey, Mineral Commodity Summaries 2026 (critical-minerals list and import reliance), 2026. https://pubs.usgs.gov/periodicals/mcs2026/mcs2026.pdf
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  35. NPR, Trump's EPA plans to repeal climate pollution limits on fossil-fuel power plants, 2025. https://www.npr.org/2025/06/11/nx-s1-5429578/trump-power-plants-epa-climate-change
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  37. U.S. Treasury Department, Office of Foreign Assets Control, Metals and mining sanctions guidance (FAQ 1117), 2024. https://ofac.treasury.gov/faqs/1117
  38. U.S. Department of Justice, Swiss commodities trading company pleads guilty to foreign bribery scheme (Trafigura, $126M), 2024. https://www.justice.gov/archives/opa/pr/swiss-commodities-trading-company-pleads-guilty-foreign-bribery-scheme
  39. Peabody Energy, 2025 Form 10-K (87% of 2025 mining sales volume under long-term agreements), 2025. https://www.sec.gov/Archives/edgar/data/1064728/000106472826000006/btu-20251231.htm
  40. U.S. Energy Information Administration, U.S. coal-fired capacity retired in 2025 was the least in 15 years; fleet path to ~145 GW by 2028, 2026. https://www.eia.gov/todayinenergy/detail.php?id=67427
  41. Argus Media, Australian premium coking coal price hits 17-month high, 2026. https://www.argusmedia.com/en/news-and-insights/latest-market-news/2778303-australian-premium-coking-coal-price-hits-17-month-high