trueNAICS331110—Iron and Steel Mills and Ferroalloy Manufacturing
Description
Businesses classified under NAICS 331110 (Iron and Steel Mills and Ferroalloy Manufacturing) are involved in: one or more of the following: (1) direct reduction of iron ore; (2) manufacturing pig iron in molten or solid form; (3) converting pig iron into steel; (4) making steel; (5).
Typical Business Activities
Included Activities
- +Manufacturing pig iron in molten or solid form
- +Making steel
- +One or more of the following: (1) direct reduction of iron ore
- +(2) manufacturing pig iron in molten or solid form
- +(3) converting pig iron into steel
- +(4) making steel
Code Crosswalks
| System | Code | Title |
|---|---|---|
| ISIC | 2410 | Manufacture of basic iron and steel |
| NACE | 24.1 | Manufacture of basic iron and steel and of ferro-alloys |
| NACE | 24.2 | Manufacture of tubes, pipes, hollow profiles and related fittings, of steel |
| NACE | 24.31 | Cold drawing of bars |
| NACE | 24.32 | Cold rolling of narrow strip |
| NACE | 24.33 | Cold forming or folding |
| NACE | 24.34 | Cold drawing of wire |
| SIC | 3312 | Steel Works, Blast Furnaces (Including Coke Ovens), and Rolling Mills (except coke ovens not integrated with steel mills and hot-rolling purchased steel) |
| SIC | 3313 | Electrometallurgical Products, Except Steel |
| SIC | 3399 | Primary Metal Products, NEC (iron ore recovery from open hearth slag) |
Sample Companies
View all 32,221 companies →CLEVELAND-CLIFFS
Cleveland-Cliffs is North America’s largest flat-rolled steel producer and supplier of iron ore pellets serving various industries, mainly automotive.
U. S. Steel
The United States Steel Corporation is an American steel company based in Pittsburgh, Pennsylvania, that maintains production facilities at several additional locations in the U. S. and Central Europe.
CLEVELAND-CLIFFS
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Gerdau
Gerdau S. A. is the largest producer of long steel in the Americas, and the 33rd largest steelmaker worldwide, with approximately 13 million tons of production in 2023.
Thyssenkrupp
All the information you need on the thyssenkrupp Group, from key figures and management to our businesses and products.
VOEST ALPINE
Report of the first quarter of 2025/26 of voestalpine AG including information on key figures, management report, investor relations, divisional reports and consolidated financial statements.
Mitsui bussan
Utilizing our global operating locations, network and information resources, we are multilaterally pursuing business that ranges from product sales, worldwide logistics and financing, through to the development of major international infrastructure and other projects. - MITSUI & CO., LTD.
Olympic Steel
Olympic Steel is an Ohio-based metal fabrication company that distributes products such as coated and stainless sheets for industries including energy and automotive.
Aperam
The Plug-and-Play Alternative to 316L Cut your stainless steel costs without changing your processes or compromising on final product quality. Sounds impossible ?Aperam Innovation Lab has done it.
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