| MIMack Iron Works CO | Sandusky | OH | Fabricated Metal Product Manufacturing332313 | 20-99 | ◐ LIKELY ACTIVE |
| MTMississippi Tank and Manufacturing Company | Hattiesburg | MS | Fabricated Metal Product Manufacturing332313 | — | ◐ LIKELY ACTIVE |
| MMMitchell Mill Systems | Joplin | MO | Fabricated Metal Product Manufacturing332312 | 20-99 | ◐ LIKELY ACTIVE |
| MIMjc INC | Cartersville | GA | Fabricated Metal Product Manufacturing332313 | 100-499 | ◐ LIKELY ACTIVE |
| MCModern Custom Fabrication INC | Fresno | CA | Chemical Manufacturing325991 | 20-99 | ◐ LIKELY ACTIVE |
| NCNew Center Stamping | Detroit | MI | Fabricated Metal Product Manufacturing332313 | 20-99 | ◐ LIKELY ACTIVE |
| NNobelclad | Mount Braddock | PA | Fabricated Metal Product Manufacturing332313 | 20-99 | ◐ LIKELY ACTIVE |
Nucor Steel Memphis INC | Memphis | TN | Primary Metal Manufacturing331221 | 500+ | ◐ LIKELY ACTIVE |
| OTO'day Tank and Steel Company | Fargo | ND | Fabricated Metal Product Manufacturing332313 | 20-99 | ◐ LIKELY ACTIVE |
| OMOneal Manufacturing Services | Houston | TX | Fabricated Metal Product Manufacturing332313 | 20-99 | ◐ LIKELY ACTIVE |
Paul Mueller-paul Mueller | Springfield | MO | Fabricated Metal Product Manufacturing332313 | — | ◐ LIKELY ACTIVE |
| PFPemberton Fabricators INC | Rancocas | NJ | Fabricated Metal Product Manufacturing332312 | 20-99 | ◐ LIKELY ACTIVE |
| PCPrecision Custom Components, LLC | York | PA | Fabricated Metal Product Manufacturing332312 | — | ◐ LIKELY ACTIVE |
| PMPrecision Machine & Mfg | Eugene | OR | Fabricated Metal Product Manufacturing332114 | 20-99 | ◐ LIKELY ACTIVE |
| PPPrier Products | Grandview | MO | Fabricated Metal Product Manufacturing332313 | 100-499 | ◐ LIKELY ACTIVE |
Protech Materials INC. | Hayward | CA | Fabricated Metal Product Manufacturing332313 | — | ◐ LIKELY ACTIVE |
| QMQuality Machine CO INC | Bridgeport | WV | Fabricated Metal Product Manufacturing332312 | 20-99 | ◐ LIKELY ACTIVE |
| QSQuality Steel CORP of Ms | West Jordan | UT | Fabricated Metal Product Manufacturing332313 | 20-99 | ◐ LIKELY ACTIVE |
| RRocore-knoxville | Knoxville | TN | Fabricated Metal Product Manufacturing332313 | — | ◐ LIKELY ACTIVE |
| SMSabin Metal West CORP | Williston | ND | Primary Metal Manufacturing331492 | — | ◐ LIKELY ACTIVE |
Southeastern Industrial Fabricators LLC Dba Dixie Southern | Duette | FL | Petroleum and Coal Products Manufacturing324199 | 20-99 | ◐ LIKELY ACTIVE |
Steel Structures, INC. | Madera | CA | Fabricated Metal Product Manufacturing332312 | — | ◐ LIKELY ACTIVE |
Steffensmeier Welding & Manufacturing INC | Pilot Grove | IA | Fabricated Metal Product Manufacturing332313 | — | ◐ LIKELY ACTIVE |
| TTapcoenpro | Channelview | TX | Fabricated Metal Product Manufacturing332313 | 100-499 | ◐ LIKELY ACTIVE |
Taylor Machine Works INC | Louisville | MS | Fabricated Metal Product Manufacturing332313 | — | ◐ LIKELY ACTIVE |
| TITishler Industries INC | Saint Louis | MO | Fabricated Metal Product Manufacturing332312 | 1-19 | ◐ LIKELY ACTIVE |
| TAToyotomi America CORP | Springfield | KY | Fabricated Metal Product Manufacturing332313 | — | ◐ LIKELY ACTIVE |
| TCTrinity Containers, LLC Plant No. 1609 | Catoosa | OK | Fabricated Metal Product Manufacturing332313 | — | ◐ LIKELY ACTIVE |
| TWTrocon Wear Solutions, LLC | Irondale | AL | Fabricated Metal Product Manufacturing332313 | — | ◐ LIKELY ACTIVE |
| WCWireway/husky Corporation | Denver | NC | Fabricated Metal Product Manufacturing332313 | — | ◐ LIKELY ACTIVE |
| WCWorthington Cylinder Corporation (0125041404) | Columbus | OH | Fabricated Metal Product Manufacturing332313 | — | ◐ LIKELY ACTIVE |
| ASAbraservice Sharon | Sharon | PA | Fabricated Metal Product Manufacturing332313 | — | ◐ LIKELY ACTIVE |
| ACAdm CO | Decatur | IL | Fabricated Metal Product Manufacturing332313 | — | ◐ LIKELY ACTIVE |
American Tank & Vessel INC | Lucedale | MS | Fabricated Metal Product Manufacturing332313 | — | ◐ LIKELY ACTIVE |
| AIAmtrol, INC. | West Warwick | RI | Fabricated Metal Product Manufacturing332313 | — | ◐ LIKELY ACTIVE |
| AIArvos INC | Wellsville | NY | Fabricated Metal Product Manufacturing332313 | — | ◐ LIKELY ACTIVE |
| APAti Precision Finishing LLC - Monaca | Monaca | PA | Fabricated Metal Product Manufacturing332313 | — | ◐ LIKELY ACTIVE |
| BTBoiler Tube CO of America Wellford Facility | Wellford | SC | Fabricated Metal Product Manufacturing332313 | — | ◐ LIKELY ACTIVE |
| BMBrandywine Mach CO INC | Downingtown | PA | Fabricated Metal Product Manufacturing332313 | — | ◐ LIKELY ACTIVE |
| BMBtd Manufacturing | Washington | IL | Fabricated Metal Product Manufacturing332313 | — | ◐ LIKELY ACTIVE |
| BTBwx Technologies Incorporated | Mount Vernon | IN | Fabricated Metal Product Manufacturing332313 | — | ◐ LIKELY ACTIVE |
| CHCb&i Houston Plant | Houston | TX | Fabricated Metal Product Manufacturing332313 | — | ◐ LIKELY ACTIVE |
| CIChart INC | New Prague | MN | Fabricated Metal Product Manufacturing332313 | — | ◐ LIKELY ACTIVE |
| CBChicago Bridge Iron Incorporated | Clive | IA | Fabricated Metal Product Manufacturing332313 | — | ◐ LIKELY ACTIVE |
| FOFriesen of Iowa | Storm Lake | IA | Fabricated Metal Product Manufacturing332313 | — | ◐ LIKELY ACTIVE |
| GRGreat River Industries LLC | Natchez | MS | Fabricated Metal Product Manufacturing332313 | — | ◐ LIKELY ACTIVE |
| JMJoy Mining Machinery | Abingdon | VA | Fabricated Metal Product Manufacturing332313 | — | ◐ LIKELY ACTIVE |
| KMKloeckner Metals Corporation | Louisville | MS | Fabricated Metal Product Manufacturing332313 | — | ◐ LIKELY ACTIVE |
| KMKloeckner Metals/york | York | PA | Fabricated Metal Product Manufacturing332313 | — | ◐ LIKELY ACTIVE |
| MSMatrix Service Fabrication Div | Catoosa | OK | Fabricated Metal Product Manufacturing332313 | — | ◐ LIKELY ACTIVE |