| PSPittsburgh Service Center | Pittsburgh | PA | Primary Metal Manufacturing331110 | 100-499 | ◐ LIKELY ACTIVE |
| PPortland | Portland | OR | Food Manufacturing311412 | 1-19 | ◐ LIKELY ACTIVE |
| PMPrime Metals Acquisition, LLC | Homer City | PA | Primary Metal Manufacturing331110 | 20-99 | ◐ LIKELY ACTIVE |
| PMPRL Manufacturing | Tulsa | OK | Primary Metal Manufacturing331110 | 20-99 | ◐ LIKELY ACTIVE |
| PSProfab Steel Fabrication, INC. | Hertford | NC | Primary Metal Manufacturing331110 | — | ◐ LIKELY ACTIVE |
Qmf Steel, INC. | Campbell | TX | Primary Metal Manufacturing331110 | — | ◐ LIKELY ACTIVE |
| QIQuality Industries of America | Lake City | FL | Primary Metal Manufacturing331110 | 20-99 | ◐ LIKELY ACTIVE |
| RMRaw Material Inc. | Chicago Heights | IL | Primary Metal Manufacturing331110 | 20-99 | ◐ LIKELY ACTIVE |
| RAResearch and Technology Center | Munhall | PA | Primary Metal Manufacturing331110 | 100-499 | ◐ LIKELY ACTIVE |
| RTRSC Technologies Inc. | Albuqurque | NM | Primary Metal Manufacturing331110 | 20-99 | ◐ LIKELY ACTIVE |
| SSSabel Steel Service, Inc- Fabrications | Montgomery | AL | Primary Metal Manufacturing331110 | 1-19 | ◐ LIKELY ACTIVE |
| SSSouthern Steel Products LLC | Gadsden | AL | Primary Metal Manufacturing331110 | — | ◐ LIKELY ACTIVE |
| SPSpruill Products, INC. | Atlanta | GA | Primary Metal Manufacturing331110 | 1-19 | ◐ LIKELY ACTIVE |
| SHSSAB Houston Sales of SSAB Texas Inc. | Houston | TX | Primary Metal Manufacturing331110 | 1-19 | ◐ LIKELY ACTIVE |
| SMSSAB Mobile | Axis | AL | Primary Metal Manufacturing331110 | 500+ | ◐ LIKELY ACTIVE |
| SRSSAB R & D of SSAB Iowa Inc. | Muscatine | IA | Primary Metal Manufacturing331110 | 1-19 | ◐ LIKELY ACTIVE |
| SDSteel Dynamics, Inc. - Engineered Bar Products | Pittsboro | IN | Primary Metal Manufacturing331110 | 500+ | ◐ LIKELY ACTIVE |
| SDSteel Dynamics, Inc. - Flat Roll Group - Butler | Butler | IN | Primary Metal Manufacturing331110 | 500+ | ◐ LIKELY ACTIVE |
| SDSteel Dynamics, Inc. - Flat Roll Group - Columbus | Columbus | MS | Primary Metal Manufacturing331110 | 500+ | ◐ LIKELY ACTIVE |
| SDSteel Dynamics, Inc. - Flat Roll Group - Jeffersonville | Jeffersonville | IN | Primary Metal Manufacturing331110 | 100-499 | ◐ LIKELY ACTIVE |
| SDSteel Dynamics Roanoke Bar Division | Roanoke | VA | Primary Metal Manufacturing331110 | 100-499 | ◐ LIKELY ACTIVE |
| SFSteel fabrication | Kuna | ID | Primary Metal Manufacturing331110 | 20-99 | ◐ LIKELY ACTIVE |
| SWSteelial Welding & Metal Fabrication, INC | Vinton | OH | Primary Metal Manufacturing331110 | — | ◐ LIKELY ACTIVE |
| SOSteel of West Virginia, Inc. | Huntington | WV | Primary Metal Manufacturing331110 | 500+ | ◐ LIKELY ACTIVE |
| SWSteel Warehouse of Illinois | Chicago | IL | Primary Metal Manufacturing331110 | 20-99 | ◐ LIKELY ACTIVE |
| SSSteiger Steel & Fabricating | La Crosse | WI | Primary Metal Manufacturing331110 | 1-19 | ◐ LIKELY ACTIVE |
| SSSummit Steel, INC. | Kemp | TX | Primary Metal Manufacturing331110 | 1-19 | ◐ LIKELY ACTIVE |
| SSSuperior Structures, Inc. | Walton | KY | Primary Metal Manufacturing331110 | 20-99 | ◐ LIKELY ACTIVE |
| SKSWVA Kentucky, LLC. | Ashland | KY | Primary Metal Manufacturing331110 | 20-99 | ◐ LIKELY ACTIVE |
| TBThe Boehm Pressed Steel Co | Valley City | OH | Primary Metal Manufacturing331110 | 20-99 | ◐ LIKELY ACTIVE |
| TMTNR Machine, Inc. | Dowling | MI | Primary Metal Manufacturing331110 | 20-99 | ◐ LIKELY ACTIVE |
| TCTNTCNC Carlin | Carlin | NV | Primary Metal Manufacturing331110 | 1-19 | ◐ LIKELY ACTIVE |
| TWTri-state Welding & Equipment, INC. | Kahoka | MO | Primary Metal Manufacturing331110 | — | ◐ LIKELY ACTIVE |
| UEUnion Electric Steel- Carnegie Plant | Carnegie | PA | Primary Metal Manufacturing331110 | 100-499 | ◐ LIKELY ACTIVE |
| UEUnion Electric Steel- Harmon Creek Plant | Burgettstown | PA | Primary Metal Manufacturing331110 | 100-499 | ◐ LIKELY ACTIVE |
| USU. S. Steel Tubular Products - Spring TX | Hughes Springs | TX | Primary Metal Manufacturing331110 | 20-99 | ◐ LIKELY ACTIVE |
| VMVulcan Metals Parent, LLC | Los Angeles | CA | Primary Metal Manufacturing331110 | — | ◐ LIKELY ACTIVE |
| WSWelding Shops | Grindstone | PA | Primary Metal Manufacturing331110 | 1-19 | ◐ LIKELY ACTIVE |
| WMWheeling Machine | Pine Bluff | AR | Primary Metal Manufacturing331110 | 100-499 | ◐ LIKELY ACTIVE |
| WIWichard, INC. | Charlotte | NC | Primary Metal Manufacturing331110 | — | ◐ LIKELY ACTIVE |
| WMWolf Manufacturing LLC | Corona | CA | Primary Metal Manufacturing331110 | — | ◐ LIKELY ACTIVE |
| 9B96965 - Briese Iron Works INC | Rochester | MN | Primary Metal Manufacturing331110 | — | ◇ UNVERIFIED |
| AIAfc Industries INC. | College Point | NY | Primary Metal Manufacturing331110 | — | ◇ UNVERIFIED |
| FRFluid Routing Solutions | Big Rapids | MI | Primary Metal Manufacturing331110 | — | ◇ UNVERIFIED |
| JSJsw Steel USA Ohio, INC. | Mingo Junction | OH | Primary Metal Manufacturing331110 | — | ◇ UNVERIFIED |
| SSS&h Steel Corporation | Pearl | MS | Primary Metal Manufacturing331110 | — | ◇ UNVERIFIED |
| TITubeworks INC. | Riverside | CA | Primary Metal Manufacturing331110 | — | ◇ UNVERIFIED |
| VDValley Die Castings, INC. | Mcallen | TX | Paper Manufacturing322219 | — | ◇ UNVERIFIED |
| WFWestern Fabrication Tech CORP | Valencia | CA | Primary Metal Manufacturing331110 | — | ◇ UNVERIFIED |
| 1O128067 - Omni Products, INC. | Lincolnton | NC | Nonmetallic Mineral Product Manufacturing327390 | — | ◇ UNVERIFIED |