Largest steel/iron ore companies
Every US-listed steel/iron ore company we cover — 26 of them — ranked by market capitalisation, with revenue and earnings taken from their SEC filings.
Combined market cap
$308.198 B
0.3% of all US-listed value
Companies
26
Ranked #58 of 152 industries
Average
$11.854 B
Mean market cap per company
| # | Name | Market cap | Close | Session | Country |
|---|---|---|---|---|---|
| 1 | NucorNUE | $62.1B | $272.63 | +0.23% | United States |
| 2 | ArcelorMittalMT | $55.8B | $73.29 | +0.10% | Luxembourg |
| 3 | Steel DynamicsSTLD | $37.6B | $262.45 | +0.37% | United States |
| 4 | AtiATI | $31.1B | $227.84 | +1.97% | United States |
| 5 | TenarisTS | $28.4B | $53.04 | -0.67% | Luxembourg |
| 6 | Carpenter TechnologyCRS | $28.4B | $570.66 | +2.41% | United States |
| 7 | PoscoPKX | $18.7B | $57.77 | +3.01% | South Korea |
| 8 | TerniumTX | $10.6B | $53.90 | +3.87% | Luxembourg |
| 9 | GerdauGGB | $9.77B | $4.94 | -1.98% | Brazil |
| 10 | Commercial MetalsCMC | $8.31B | $75.13 | +1.95% | United States |
| 11 | Grupo Simec, S.A.B. De C.V.SIM | $5.11B | $30.81 | +2.60% | Mexico |
| 12 | Worthington EnterprisesWOR | $2.86B | $58.42 | +0.92% | United States |
| 13 | Worthington SteelWS | $1.95B | $38.26 | +3.29% | United States |
| 14 | Gibraltar IndustriesROCK | $1.49B | $50.23 | -1.08% | United States |
| 15 | National SteelSID | $1.23B | $0.93 | -1.60% | Brazil |
| 16 | NWPX InfrastructureNWPX | $1.15B | $119.72 | +1.03% | United States |
| 17 | MetallusMTUS | $898.2M | $21.67 | +1.12% | United States |
| 18 | SunCoke EnergySXC | $797.0M | $9.39 | -2.19% | United States |
| 19 | Insteel IndustriesIIIN | $625.1M | $32.29 | -0.12% | United States |
| 20 | Titan InternationalTWI | $475.0M | $7.36 | +2.08% | United States |
| 21 | Algoma Steel GroupASTL | $429.5M | $4.08 | +2.65% | Canada |
| 22 | Friedman IndustriesFRD | $316.7M | $43.91 | +16.41% | United States |
| 23 | Luda Technology GroupLUD | $100.1M | $4.41 | +5.00% | Hong Kong |
| 24 | InnoINHD | $13.0M | $5.15 | -42.38% | United States |
| 25 | Huadi International GroupHUDI | $10.3M | $0.72 | +4.71% | China |
| 26 | GD Culture GroupGDC | $7.16M | $1.72 | +1.18% | United States |
All 26 companies. One row per company — secondary share classes are folded into their primary listing. Updated 9 Aug 2026.
Sectors steel/iron ore companies sit in
Other industries
Semiconductors 100Computer Software: Programming Data Processing 77Computer Software: Prepackaged Software 232Computer Manufacturing 10Biotechnology: Pharmaceutical Preparations 501Major Banks 245Industrial Machinery/Components 209Catalog/Specialty Distribution 30Business Services 93Commercial Banks 35Auto Manufacturing 29Integrated oil Companies 18Investment Bankers/Brokers/Service 68Real Estate Investment Trusts 179Department/Specialty Retail Stores 14Oil & Gas Production 116Telecommunications Equipment 82Beverages (Production/Distribution) 35Electronic Components 21Finance: Consumer Services 163Electric Utilities: Central 59Consumer Electronics/Appliances 23Natural Gas Distribution 29Medical Specialities 44All industries →
Figures come from SEC filings and daily market prices. Companies listed only outside the US are not covered — see methodology.