| APAlstom Power INC | Easton | PA | — | ◇ UNVERIFIED |
| ACAlternative Components | Warren | MI | — | ◇ UNVERIFIED |
| AIAltrachem INC | Joliet | IL | — | ◇ UNVERIFIED |
| ABAmer Bridge Holding Co/coraopolis | Coraopolis | PA | — | ◇ UNVERIFIED |
| ABAmerican Beryllium Corporation | Tallevast | FL | — | ◇ UNVERIFIED |
| ABAmerican Boiler Works | Arlington | WA | — | ◇ UNVERIFIED |
| ABAmerican Builders & Contractors Supply CO INC Dba American Construction Metals | Lodi | CA | — | ◇ UNVERIFIED |
| ACAmerican Cargo Group Trailers LLC Pa Div | Mcadoo | PA | — | ◇ UNVERIFIED |
 American Fabrication Site | Idaho Falls | ID | — | ◇ UNVERIFIED |
| AIAmerican Idustrial Fabricators INC | Saint Amant | LA | — | ◇ UNVERIFIED |
| AVAmerican Valve & Hydrant Manufacturing | Beaumont | TX | — | ◇ UNVERIFIED |
| ACAmeristeel CORP | Plant City | FL | — | ◇ UNVERIFIED |
| ASAmeron Steel Fabrication Division | Fontana | CA | — | ◇ UNVERIFIED |
| ARAmg Resources CORP | Youngstown | OH | — | ◇ UNVERIFIED |
| ABAnchor Brass | Hempstead | NY | — | ◇ UNVERIFIED |
| AFAnderson Fittings | Oak Forest | IL | — | ◇ UNVERIFIED |
| ASAnderson Silver Plating CO INC | Elkhart | IN | — | ◇ UNVERIFIED |
| AMAngelini Metal Works | Hialeah | FL | — | ◇ UNVERIFIED |
| ABApex Blasting | Baytown | TX | — | ◇ UNVERIFIED |
| AFApex Fabrication & Design INC | Boyertown | PA | — | ◇ UNVERIFIED |
| AHApi Heat Transfer INC | Arcade | NY | — | ◇ UNVERIFIED |
| AFAptim Facilities INC | Prairieville | LA | — | ◇ UNVERIFIED |
| ARArchitectural Rails INC | Panama City | FL | — | ◇ UNVERIFIED |
| ALArcron LLC | Menomonee Falls | WI | — | ◇ UNVERIFIED |
| AIArvin Industries INC | Greenwood | IN | — | ◇ UNVERIFIED |
| AQAscension Quality Materials LLC - Prairieville Plant | Prairieville | LA | — | ◇ UNVERIFIED |
| AIAsc, INC. | Tulsa | OK | — | ◇ UNVERIFIED |
| ASAshley Steel, INC. | N Charleston | SC | — | ◇ UNVERIFIED |
| AIAs-tech Industries INC | Warren | MI | — | ◇ UNVERIFIED |
| ASAstralloy Steel Products INC | Masury | OH | — | ◇ UNVERIFIED |
| ACAtlas Copco Hurricane LLC | Franklin | IN | — | ◇ UNVERIFIED |
 Atlas Industrial Holdings, Lle (0125042240) | Columbus | OH | — | ◇ UNVERIFIED |
| Atlas Industrial Manufacturing | Clifton City | NJ | — | ◇ UNVERIFIED |
| APAy-mac Precision | Windsor | CO | — | ◇ UNVERIFIED |
| AIAym, INC. | Elizabethton | TN | — | ◇ UNVERIFIED |
| APAzusa Pipe & Tube Bending | Azusa | CA | — | ◇ UNVERIFIED |
| BABabcock and Wilcox Company | West Point | MS | — | ◇ UNVERIFIED |
| BSBae Systems Container Solutions, INC. | Berthoud | CO | — | ◇ UNVERIFIED |
| BBBailey Bridges, INC. | Fort Payne | AL | — | ◇ UNVERIFIED |
| BEBaldor Electric | Clarksville | AR | — | ◇ UNVERIFIED |
| BSBanker Steel South Plant | Lynchburg | VA | — | ◇ UNVERIFIED |
| BOBardons & Oliver, INC. | Solon | OH | — | ◇ UNVERIFIED |
| BSBarker Steel LLC | South Deerfield | MA | — | ◇ UNVERIFIED |
| BSBarker Steel LLC | South Windsor | CT | — | ◇ UNVERIFIED |
| BMBarrington Manufacturing | El Dorado Springs | MO | — | ◇ UNVERIFIED |
| BLBay LTD | Belle Chasse | LA | — | ◇ UNVERIFIED |
| BLBay LTD | Billings | MT | — | ◇ UNVERIFIED |
| BLBay LTD - Bay West Yard | Amelia | LA | — | ◇ UNVERIFIED |
| BOBay Offshore LTD - Bay North Yard | Amelia | LA | — | ◇ UNVERIFIED |
| BSBeck Steel | Lubbock | TX | — | ◇ UNVERIFIED |
| BSBell Steel INC. | Chandler | AZ | — | ◇ UNVERIFIED |
| BIBennington Iron Works INC | Bennington | VT | — | ◇ UNVERIFIED |
| BTBent Tube INC | Fowlerville | MI | — | ◇ UNVERIFIED |
| BPBergen Power Pipe Su/donora Plt | Donora | PA | — | ◇ UNVERIFIED |
| BFB F Shaw INC | Laurens | SC | — | ◇ UNVERIFIED |
| BPB&g Powder Coating LLC | Watertown | SD | — | ◇ UNVERIFIED |
| BIBig Inch Fabricators & Construction Incorporated | Montezuma | IN | — | ◇ UNVERIFIED |
| BRBig Rivers Electric Kenneth Coleman Power Plant | Hawesville | KY | — | ◇ UNVERIFIED |
| BRBig R Manufacturing LLC | Greeley | CO | — | ◇ UNVERIFIED |
| BRBig R Mfg LLC Dba Big R Bridge | Greeley | CO | — | ◇ UNVERIFIED |
| BFBlazer Fabricating LLC Bessemer Plant | Bessemer | AL | — | ◇ UNVERIFIED |
| BFBlazer Fabricating, LLC (pawnee Plant) | Birmingham | AL | — | ◇ UNVERIFIED |
| BHBlp Holdings | Houston | TX | — | ◇ UNVERIFIED |
| BLB & L Welding & Fabricating | Great Bend | KS | — | ◇ UNVERIFIED |
| BGBmc Global, LLC Dba Blissfield Manufacturing | Blissfield | MI | — | ◇ UNVERIFIED |
| BMBmc Metalworks LLC | Columbia | TN | — | ◇ UNVERIFIED |
| BRBoston Retail Products | Medford | MA | — | ◇ UNVERIFIED |
| BWBp Warehouse | Hammond | IN | — | ◇ UNVERIFIED |
| BMBraden Manufacturing | Fort Smith | AR | — | ◇ UNVERIFIED |
| BCBratton Corporation | Kansas City | MO | — | ◇ UNVERIFIED |
| BBBrazill Brothers & Assoc INC | Metuchen | NJ | — | ◇ UNVERIFIED |
| BSBreed Steering Sys. INC. | Grabill | IN | — | ◇ UNVERIFIED |
| BMBressler Metal Works, INC. | Lebanon | PA | — | ◇ UNVERIFIED |
| BSBristol Steel & Conveyor | Davison | MI | — | ◇ UNVERIFIED |
| BHBroadwind Heavy Industries | Clintonville | WI | — | ◇ UNVERIFIED |
 Brownell Boat Stands | Mattapoisett | MA | — | ◇ UNVERIFIED |
| BRBrown & Root Incorporated Greens Bayou Fabrication Yard | Houston | TX | — | ◇ UNVERIFIED |
| BPBrowns Plating Service | Paducah | KY | — | ◇ UNVERIFIED |
| BIBrunnquell Iron Works INC | South Brunswick Twp | NJ | — | ◇ UNVERIFIED |
| BMBtd Manufacturing INC. | Dawsonville | GA | — | ◇ UNVERIFIED |
| BMBtd Mfg INC | Lakeville | MN | — | ◇ UNVERIFIED |
| BCBuckley CORP | Rockland | MA | — | ◇ UNVERIFIED |
| BEBuffalo Equipment CO | Columbus | NE | — | ◇ UNVERIFIED |
| BEBuhrt Engineering Incorporated | Warsaw | IN | — | ◇ UNVERIFIED |
| BSBuna Site | Buna | TX | — | ◇ UNVERIFIED |
| BCBundy CORP | Winchester | KY | — | ◇ UNVERIFIED |
| BSBurner Systems International, INC. | Chattanooga | TN | — | ◇ UNVERIFIED |
| BMBusby Marine and Tank INC | Tacoma | WA | — | ◇ UNVERIFIED |
| CICaid Industries INC. | Tucson | AZ | — | ◇ UNVERIFIED |
| CMCaldwell Manufacturing CO | Kearney | NE | — | ◇ UNVERIFIED |
| CTCaldwell Tanks - Broad Street Facility | Newnan | GA | — | ◇ UNVERIFIED |
| CECalifornia Expanded Metal Products | Fort Worth | TX | — | ◇ UNVERIFIED |
| CECalifornia Expanded Metals CO | La Puente | CA | — | ◇ UNVERIFIED |
| CBCallaway Barge Lines INC | Green Cove Springs | FL | — | ◇ UNVERIFIED |
| CBCameron Bridge Works LLC | Elmira | NY | — | ◇ UNVERIFIED |
| CRCameron Rig Solutions - River Plant | Vicksburg | MS | — | ◇ UNVERIFIED |
| CSCameron Solutions INC | New Iberia | LA | — | ◇ UNVERIFIED |
| CFCannon Fabrication INC | Corona | CA | — | ◇ UNVERIFIED |
| CMCapitol Manufacturing Lansing Facility | Lansing | OH | — | ◇ UNVERIFIED |
| CFCardinal Fab-williamston | Williamston | MI | — | ◇ UNVERIFIED |
