Steel manufacturers in the USA
EPA records list 1,202 active steel makers in the US, facilities with codes for iron and steel mill products, pipe, tube and wire. The most are in Pennsylvania, California and Ohio, with 30% of the total.
- Product
- Steel manufacturers
- Facilities
- 1,202
- States
- 44
- NAICS
- 331110 and 3 related codes
- Revised
- November 1, 2026
By state
States with at least 15 such facilities have their own page with the facility list.
| State | Facilities | Share |
|---|---|---|
| Pennsylvania | 161 | 13.4% |
| California | 99 | 8.2% |
| Ohio | 96 | 8.0% |
| Indiana | 95 | 7.9% |
| Illinois | 84 | 7.0% |
| Michigan | 70 | 5.8% |
| Texas | 67 | 5.6% |
| Alabama | 55 | 4.6% |
| Arkansas | 36 | 3.0% |
| Kentucky | 31 | 2.6% |
| South Carolina | 28 | 2.3% |
| Tennessee | 28 | 2.3% |
| Missouri | 27 | 2.2% |
| New Jersey | 27 | 2.2% |
| New York | 26 | 2.2% |
| Florida | 24 | 2.0% |
| Oklahoma | 22 | 1.8% |
| Connecticut | 20 | 1.7% |
| Massachusetts | 20 | 1.7% |
| North Carolina | 18 | 1.5% |
| Wisconsin | 16 | 1.3% |
| Mississippi | 15 | 1.2% |
| Georgia | 14 | 1.2% |
| Louisiana | 14 | 1.2% |
| West Virginia | 14 | 1.2% |
| Washington | 11 | 0.9% |
| Colorado | 9 | 0.7% |
| Iowa | 9 | 0.7% |
| Maryland | 9 | 0.7% |
| Minnesota | 9 | 0.7% |
| Virginia | 7 | 0.6% |
| Utah | 6 | 0.5% |
| Arizona | 5 | 0.4% |
| Kansas | 5 | 0.4% |
| Nebraska | 5 | 0.4% |
| Oregon | 5 | 0.4% |
| Delaware | 2 | 0.2% |
| Idaho | 2 | 0.2% |
| Nevada | 2 | 0.2% |
| New Hampshire | 2 | 0.2% |
| New Mexico | 2 | 0.2% |
| Rhode Island | 2 | 0.2% |
| Vermont | 2 | 0.2% |
| South Dakota | 1 | 0.1% |
EPA ECHO active facilities listing NAICS 331110, 331210, 331221, 331222. Codes are reported by facilities and not checked here. How these records work.
Biggest clusters
- Houston, TX: 18
- Blytheville, AR: 14
- Birmingham, AL: 11
- Chicago, IL: 11
- East Chicago, IN: 11
- Detroit, MI: 8
- Portage, IN: 7
- Gary, IN: 7
Codes counted
- Iron and Steel Mills and Ferroalloy Manufacturing (NAICS 331110)
- Iron and Steel Pipe and Tube Manufacturing from Purchased Steel (NAICS 331210)
- Rolled Steel Shape Manufacturing (NAICS 331221)
- Steel Wire Drawing (NAICS 331222)
This sits inside primary metals manufacturing, which has 3,570 establishments and 354,914 jobs (Census, 2023). See the industry.