| AAnaco | Corona | CA | — | ◇ UNVERIFIED |
| AGAnodizing Graphics of Texas | Stafford | TX | — | ◇ UNVERIFIED |
| AIAnson Industries LLC | Louisville | KY | — | ◇ UNVERIFIED |
| AIAnvil International LP | North Kingstown | RI | — | ◇ UNVERIFIED |
| AIApcom INC | Franklin | TN | — | ◇ UNVERIFIED |
| AWApeengineering - Wichita (wellington Pl) | Wichita | KS | — | ◇ UNVERIFIED |
| AEAptim Environmental & Infrastructure, INC. | Findlay | OH | — | ◇ UNVERIFIED |
| AEAsrc Energy Services Alaska INC - Anchorage Fabrication Facility | Anchorage | AK | — | ◇ UNVERIFIED |
| APAssembled Products | Buffalo Grove | IL | — | ◇ UNVERIFIED |
| AA-tek | Brainerd | MN | — | ◇ UNVERIFIED |
| ASAtlas Screw and Specialty | New Bedford | MA | — | ◇ UNVERIFIED |
| AMAtomic Machine & Edm INC | Naples | FL | — | ◇ UNVERIFIED |
| ATA+ Trailer and Fabrication INC | Mayo | FL | — | ◇ UNVERIFIED |
| ACAwh Corporation - Lofton Plant | Raphine | VA | — | ◇ UNVERIFIED |
| BBBartimaeus By Design INC. | Thomasville | NC | — | ◇ UNVERIFIED |
| BSBay Swiss Manufacturing | Dayton | NV | — | ◇ UNVERIFIED |
| BBB & B Pipe & Tool Company | Long Beach | CA | — | ◇ UNVERIFIED |
| BIBc Industries | Oxford | MA | — | ◇ UNVERIFIED |
| BRBesco Recycling | Bessemer | AL | — | ◇ UNVERIFIED |
| B3Big 3 Precision Prod INC | Centralia | IL | — | ◇ UNVERIFIED |
| BMBiltrite Metal Products | Leland | IL | — | ◇ UNVERIFIED |
| BMBirmingham Metal Products INC | Birmingham | OH | — | ◇ UNVERIFIED |
| BLB L Fabricators, INC. | Scottsboro | AL | — | ◇ UNVERIFIED |
| BHBlp Holdings | Houston | TX | — | ◇ UNVERIFIED |
| BWBobe Water & Fire LLC | Phoenix | AZ | — | ◇ UNVERIFIED |
| BBBob's Barricades | N Fort Myers | FL | — | ◇ UNVERIFIED |
| BTBoley Tool & Machine | East Peoria | IL | — | ◇ UNVERIFIED |
| BTBorgwarner Thermal Systems - Fletcher Plant | Fletcher | NC | — | ◇ UNVERIFIED |
| BTBoston Trailer Manufacturing Company | Walpole | MA | — | ◇ UNVERIFIED |
| BSBoulder Steel, INC | Broomfield | CO | — | ◇ UNVERIFIED |
| BCBradley CORP | Germantown | WI | — | ◇ UNVERIFIED |
| BCBridgewater Correctional Complex | Bridgewater | MA | — | ◇ UNVERIFIED |
| BEBrierton Engineering | Abilene | KS | — | ◇ UNVERIFIED |
| BNBright N Ready Signs & Awnings | Englewood | FL | — | ◇ UNVERIFIED |
| BIBrudi INC Kelso | Kelso | WA | — | ◇ UNVERIFIED |
| BBBrundage Bone Concrete | Kent | WA | — | ◇ UNVERIFIED |
| BRBull Run Machine and Welding | Knoxville | TN | — | ◇ UNVERIFIED |
| BIBurtman Iron Works | Boston | MA | — | ◇ UNVERIFIED |
| CCCajon CO Aurora | Aurora | OH | — | ◇ UNVERIFIED |
| CACalumet Armature & Electric LLC | Riverdale | IL | — | ◇ UNVERIFIED |
| CMCanton Manufacturing CORP. | Canton | MI | — | ◇ UNVERIFIED |
| CICarboloy INC | Warren | MI | — | ◇ UNVERIFIED |
| CICardinal Ig Site | Spring Green | WI | — | ◇ UNVERIFIED |
| CRCardinal Rotar | Spring Green | WI | — | ◇ UNVERIFIED |
| CPCarpenter & Paterson INC | Saddle Brook Twp | NJ | — | ◇ UNVERIFIED |
| CDC & D Welding & Fabrication INC | Jonesville | MI | — | ◇ UNVERIFIED |
| CMCenter Manufacturing Company | Bellevue | OH | — | ◇ UNVERIFIED |
| CFCertified Fabricators INC | Buena Park | CA | — | ◇ UNVERIFIED |
| CMChancey Metal Products, INC. | Jacksonville | FL | — | ◇ UNVERIFIED |
 Chancey Metals LLC Annex | Jacksonville | FL | — | ◇ UNVERIFIED |
