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
$273.732 B
0.3% of all US-listed value
Companies
26
Ranked #57 of 152 industries
Average
$10.528 B
Mean market cap per company
| # | Name | Market cap | Close | Session | Country |
|---|---|---|---|---|---|
| 1 | NucorNUE | $55.8B | $246.14 | -0.12% | United States |
| 2 | ArcelorMittalMT | $46.7B | $61.30 | -1.64% | Luxembourg |
| 3 | Steel DynamicsSTLD | $33.6B | $234.17 | +0.03% | United States |
| 4 | TenarisTS | $30.0B | $56.59 | +1.82% | Luxembourg |
| 5 | AtiATI | $25.6B | $188.13 | -0.56% | United States |
| 6 | Carpenter TechnologyCRS | $19.2B | $387.10 | -1.04% | United States |
| 7 | PoscoPKX | $18.4B | $56.75 | +0.87% | South Korea |
| 8 | TerniumTX | $11.1B | $56.47 | +0.11% | Luxembourg |
| 9 | GerdauGGB | $9.73B | $4.92 | -1.99% | Brazil |
| 10 | Commercial MetalsCMC | $6.98B | $63.10 | -0.24% | United States |
| 11 | Grupo Simec, S.A.B. De C.V.SIM | $4.76B | $28.70 | +0.00% | Mexico |
| 12 | Worthington EnterprisesWOR | $3.00B | $61.22 | +1.27% | United States |
| 13 | Worthington SteelWS | $1.76B | $34.62 | -2.64% | United States |
| 14 | National SteelSID | $1.63B | $1.23 | +0.00% | Brazil |
| 15 | Gibraltar IndustriesROCK | $1.11B | $37.48 | -2.47% | United States |
| 16 | NWPX InfrastructureNWPX | $970.8M | $100.73 | -2.17% | United States |
| 17 | SunCoke EnergySXC | $827.5M | $9.75 | -0.81% | United States |
| 18 | MetallusMTUS | $814.1M | $19.64 | -1.65% | United States |
| 19 | Insteel IndustriesIIIN | $571.1M | $29.50 | -0.30% | United States |
| 20 | Algoma Steel GroupASTL | $440.5M | $4.18 | -1.18% | Canada |
| 21 | Titan InternationalTWI | $440.2M | $6.82 | -0.44% | United States |
| 22 | Friedman IndustriesFRD | $301.9M | $41.85 | -2.65% | United States |
| 23 | Luda Technology GroupLUD | $80.3M | $3.54 | -8.29% | Hong Kong |
| 24 | Huadi International GroupHUDI | $10.1M | $0.71 | -0.10% | China |
| 25 | InnoINHD | $9.65M | $3.83 | +13.65% | United States |
| 26 | GD Culture GroupGDC | $5.58M | $1.34 | -2.19% | United States |
All 26 companies. One row per company, with secondary share classes folded into their primary listing. Updated 10 Oct 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 500Major Banks 245Industrial Machinery/Components 211Catalog/Specialty Distribution 30Business Services 93Commercial Banks 35Auto Manufacturing 29Integrated oil Companies 16Oil & Gas Production 116Investment Bankers/Brokers/Service 68Department/Specialty Retail Stores 13Real Estate Investment Trusts 175Telecommunications Equipment 84Beverages (Production/Distribution) 36Electronic Components 21Electric Utilities: Central 61Finance: Consumer Services 165Consumer Electronics/Appliances 23Biotechnology: Biological Products (No Diagnostic Substances) 160Medical Specialities 44All industries β
Figures come from SEC filings and daily market prices. Companies listed only outside the US are not covered: see methodology.