 American Fabrication Site | Idaho Falls | ID | — | ◇ UNVERIFIED |
| AIAmerican Investors Dba Reco USA | West Columbia | SC | — | ◇ UNVERIFIED |
| ASAmeron Steel Fabrication Division | Fontana | CA | — | ◇ UNVERIFIED |
| ALAmhawk LLC | Coloma | MI | — | ◇ UNVERIFIED |
| AEAmtech Environmental CORP | Buffalo | NY | — | ◇ UNVERIFIED |
| AEAndros Engineering Corporation | Paso Robles | CA | — | ◇ UNVERIFIED |
| ASAntennamast Systems | Cascade | VA | — | ◇ UNVERIFIED |
| APAos/lochinvar Plant Expansion | Lebanon | TN | — | ◇ UNVERIFIED |
| AHApi Heat Transfer INC | Arcade | NY | — | ◇ UNVERIFIED |
| AIArchitectural & Industrial Metal Fabrication | Roswell | GA | — | ◇ UNVERIFIED |
| AMArchitectural Metal Supply Inc | Richmond | VT | — | ◇ UNVERIFIED |
| AMArchitectural Metal Supply Inc. | Richmond | VT | — | ◇ UNVERIFIED |
| ALArcron LLC | Menomonee Falls | WI | — | ◇ UNVERIFIED |
| ABAroutioun Bermperian | Sun Valley | CA | — | ◇ UNVERIFIED |
| AQAscension Quality Materials LLC - Prairieville Plant | Prairieville | LA | — | ◇ UNVERIFIED |
 Atlas Industrial Holdings, LLC | Pontiac | MI | — | ◇ UNVERIFIED |
| Atlas Industrial Manufacturing | Clifton City | NJ | — | ◇ UNVERIFIED |
| AMAus Manufacturing Company LLC | Bonifay | FL | — | ◇ UNVERIFIED |
| BWBauer Welding & Metal Fabricators | Saint Paul | MN | — | ◇ UNVERIFIED |
| BLBay LTD | Billings | MT | — | ◇ UNVERIFIED |
| BFB.D.A. Fabrications, Inc. | Bensenville | IL | — | ◇ UNVERIFIED |
| BSB.D.J. Sanchez Investments LLC | Gardena | CA | — | ◇ UNVERIFIED |
| BMBeacon Metal Fabricators, INC. | Cleveland | OH | — | ◇ UNVERIFIED |
| BEB - E Manufacturing Co., INC. | Monroe | NC | — | ◇ UNVERIFIED |
| BIBendtec INC | Duluth | MN | — | ◇ UNVERIFIED |
| BFBlack Flag Metalsmith LLC | Alachua | FL | — | ◇ UNVERIFIED |
| BFBlazer Fabricating, LLC (pawnee Plant) | Birmingham | AL | — | ◇ UNVERIFIED |
| BPBlytheville Plateworks, INC | Jackson | TN | — | ◇ UNVERIFIED |
| BMBmg Metals INC | Lynchburg | VA | — | ◇ UNVERIFIED |
| BLBoardman, LLC | Wichita | KS | — | ◇ UNVERIFIED |
| BMBodecor Metal Finishing INC | Eagan | MN | — | ◇ UNVERIFIED |
| BIBoss Industries LLC | Oswego | KS | — | ◇ UNVERIFIED |
| BEBroadwind Energy INC. | Manitowoc | WI | — | ◇ UNVERIFIED |
| BBBrock & Blevins CO INC | Chattanooga | TN | — | ◇ UNVERIFIED |
| BPBrowns Plating Service | Paducah | KY | — | ◇ UNVERIFIED |
| BMBrw Metal Industries, LLC | Houston | TX | — | ◇ UNVERIFIED |
| BCBuckley CORP | Rockland | MA | — | ◇ UNVERIFIED |
| BLBuiltrite LLC Dba Builtrite Manufacturing | Two Harbors | MN | — | ◇ UNVERIFIED |
| BSBurner Sheet Metal, LLC | El Cajon | CA | — | ◇ UNVERIFIED |
| BPBurnett Property Management, LC | Tremonton | UT | — | ◇ UNVERIFIED |
| BWBw Welding INC | Hutchinson | MN | — | ◇ UNVERIFIED |
| CTCaldwell Tanks | Louisville | KY | — | ◇ UNVERIFIED |
| CTCaldwell Tanks - Broad Street Facility | Newnan | GA | — | ◇ UNVERIFIED |
| CCCalumet Container Corporation | Chicago | IL | — | ◇ UNVERIFIED |
| CSCameron Solutions INC | New Iberia | LA | — | ◇ UNVERIFIED |
| CCamlaw | Coolidge | GA | — | ◇ UNVERIFIED |
| CTCampos Tool Supplies, L.c. | Aventura | FL | — | ◇ UNVERIFIED |
| CECanalta Enterprises LLC Dba Phillips Iron Works | Raleigh | NC | — | ◇ UNVERIFIED |
| CWCarrier Welding and Fabrication, LLC | Wilton | ME | — | ◇ UNVERIFIED |
| CECaterpillar Emissions Solutions INC | Santa Fe | NM | — | ◇ UNVERIFIED |
