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
$283.922 B
0.3% of all US-listed value
Companies
26
Ranked #57 of 152 industries
Average
$10.920 B
Mean market cap per company
| # | Name | Market cap | Close | Session | Country |
|---|---|---|---|---|---|
| 1 | ArcelorMittalMT | $56.2B | $73.78 | +1.71% | Luxembourg |
| 2 | NucorNUE | $55.7B | $245.66 | +1.34% | United States |
| 3 | Steel DynamicsSTLD | $33.5B | $233.99 | +1.74% | United States |
| 4 | TenarisTS | $29.3B | $55.42 | -0.98% | Luxembourg |
| 5 | AtiATI | $25.4B | $186.56 | -1.37% | United States |
| 6 | Carpenter TechnologyCRS | $19.8B | $400.02 | -0.71% | United States |
| 7 | PoscoPKX | $19.1B | $59.05 | +1.69% | South Korea |
| 8 | TerniumTX | $11.1B | $56.43 | -0.72% | Luxembourg |
| 9 | GerdauGGB | $9.93B | $5.02 | +0.40% | Brazil |
| 10 | Commercial MetalsCMC | $7.19B | $65.00 | +1.59% | United States |
| 11 | Grupo Simec, S.A.B. De C.V.SIM | $4.55B | $27.45 | +5.58% | Mexico |
| 12 | Worthington EnterprisesWOR | $2.88B | $58.94 | +1.36% | United States |
| 13 | Worthington SteelWS | $1.78B | $34.90 | +4.68% | United States |
| 14 | National SteelSID | $1.56B | $1.18 | +0.85% | Brazil |
| 15 | Gibraltar IndustriesROCK | $1.26B | $42.60 | +2.11% | United States |
| 16 | NWPX InfrastructureNWPX | $995.8M | $103.33 | +0.80% | United States |
| 17 | SunCoke EnergySXC | $834.3M | $9.83 | +3.47% | United States |
| 18 | MetallusMTUS | $790.0M | $19.06 | +2.25% | United States |
| 19 | Insteel IndustriesIIIN | $582.5M | $30.09 | +0.87% | United States |
| 20 | Titan InternationalTWI | $483.4M | $7.49 | +1.77% | United States |
| 21 | Algoma Steel GroupASTL | $466.9M | $4.43 | +3.75% | Canada |
| 22 | Friedman IndustriesFRD | $291.3M | $40.39 | +1.08% | United States |
| 23 | Luda Technology GroupLUD | $94.7M | $4.18 | +1.33% | Hong Kong |
| 24 | Huadi International GroupHUDI | $10.9M | $0.76 | -2.38% | China |
| 25 | InnoINHD | $8.42M | $3.34 | -6.96% | United States |
| 26 | GD Culture GroupGDC | $6.66M | $1.60 | +9.59% | United States |
All 26 companies. One row per company, with secondary share classes folded into their primary listing. Updated 23 Sept 2026.
Sectors steel/iron ore companies sit in
Other industries
Semiconductors 101Computer Software: Programming Data Processing 77Computer Software: Prepackaged Software 234Computer Manufacturing 10Biotechnology: Pharmaceutical Preparations 499Major Banks 246Industrial Machinery/Components 211Catalog/Specialty Distribution 31Business Services 93Commercial Banks 35Auto Manufacturing 29Integrated oil Companies 18Investment Bankers/Brokers/Service 68Oil & Gas Production 116Real Estate Investment Trusts 177Department/Specialty Retail Stores 14Telecommunications Equipment 82Electronic Components 21Beverages (Production/Distribution) 36Finance: Consumer Services 162Electric Utilities: Central 60Biotechnology: Biological Products (No Diagnostic Substances) 160Consumer Electronics/Appliances 23Natural Gas Distribution 29All industries β
Figures come from SEC filings and daily market prices. Companies listed only outside the US are not covered: see methodology.