NAICS Code 3311: Iron and Steel Mills and Ferroalloy Manufacturing
The NAICS code for Iron and Steel Mills and Ferroalloy Manufacturing is 3311.
Iron and Steel Mills and Ferroalloy Manufacturing establishments operate blast furnaces, electric arc furnaces, and basic oxygen furnaces to produce molten steel and semi-finished billets, slabs, and blooms from ore, scrap, and direct-reduced iron. US mini-mills have gained market share from integrated mills through electric arc furnace technology.
Iron and Steel Mills and Ferroalloy Manufacturing falls under the NAICS code for NAICS 331 — Primary Metal Manufacturing, a subsector of Manufacturing.
2,602
Total US Entities
1
NAICS Industries
3311
NAICS Code
Classification
NAICS Industries (5-digit)
| NAICS Code | Industry Title | US Entities |
|---|---|---|
| 33111 | NAICS 33111 — Iron and Steel Mills and Ferroalloy Manufacturing | 2,602 |
NAICS 2022
Search NAICS Codes
Browse
Other Industry Groups in Primary Metal Manufacturing
Working with legacy records? convert a NAICS code to SIC using the mapping table — NAICS 2022 at the five-digit industry level paired with SIC 1987 four-digit industries, with coverage gaps stated.