| AIAlply INC | De Kalb | MS | — | ◇ UNVERIFIED |
| ASAlro Steel INC (1431154016) | Cincinnati | OH | — | ◇ UNVERIFIED |
| AIAltrachem INC | Joliet | IL | — | ◇ UNVERIFIED |
| ABAmer Bridge Holding Co/coraopolis | Coraopolis | PA | — | ◇ UNVERIFIED |
| ACAmerican Cargo Group Trailers LLC Pa Div | Mcadoo | PA | — | ◇ UNVERIFIED |
| AIAmerican Idustrial Fabricators INC | Saint Amant | LA | — | ◇ UNVERIFIED |
| ACAmeristeel CORP | Plant City | FL | — | ◇ UNVERIFIED |
| ARAmg Resources CORP | Youngstown | OH | — | ◇ UNVERIFIED |
| AMAmp Manufacturing & Supply CO | Plymouth | MN | — | ◇ UNVERIFIED |
| AAnalogic | Wakefield | MA | — | ◇ UNVERIFIED |
| ACAnchor Coupling CO | Dixon | IL | — | ◇ UNVERIFIED |
| AMAngelini Metal Works | Hialeah | FL | — | ◇ UNVERIFIED |
| AFApex Fabrication & Design INC | Boyertown | PA | — | ◇ UNVERIFIED |
| ARArchitectural Rails INC | Panama City | FL | — | ◇ UNVERIFIED |
| ALArcron LLC | Menomonee Falls | WI | — | ◇ UNVERIFIED |
| AIArkwin Ind | Westbury | NY | — | ◇ UNVERIFIED |
| AIAsc, INC. | Tulsa | OK | — | ◇ UNVERIFIED |
| ASAshley Steel, INC. | N Charleston | SC | — | ◇ UNVERIFIED |
| AIAs-tech Industries INC | Warren | MI | — | ◇ UNVERIFIED |
| ACAtlas Copco Hurricane LLC | Franklin | IN | — | ◇ UNVERIFIED |
 Atlas Industrial Holdings, Lle (0125042240) | Columbus | OH | — | ◇ UNVERIFIED |
| ACAventics CORP | Lexington | KY | — | ◇ UNVERIFIED |
| APAy-mac Precision | Windsor | CO | — | ◇ UNVERIFIED |
| BABabcock and Wilcox Company | West Point | MS | — | ◇ UNVERIFIED |
| BSBae Systems Container Solutions, INC. | Berthoud | CO | — | ◇ UNVERIFIED |
| BBBailey Bridges, INC. | Fort Payne | AL | — | ◇ 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 |
| BLBay LTD | Belle Chasse | LA | — | ◇ UNVERIFIED |
| BLBay LTD - Bay West Yard | Amelia | LA | — | ◇ UNVERIFIED |
| BOBay Offshore LTD - Bay North Yard | Amelia | LA | — | ◇ UNVERIFIED |
| BSBeck Steel | Lubbock | TX | — | ◇ UNVERIFIED |
| BEBeckwith Electric a Division of Hubbell Power Systems INC | Largo | FL | — | ◇ UNVERIFIED |
| BSBell Steel INC. | Chandler | AZ | — | ◇ UNVERIFIED |
| BIBennington Iron Works INC | Bennington | VT | — | ◇ 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 |
| BHBlp Holdings | Houston | TX | — | ◇ UNVERIFIED |
| BMBmc Metalworks LLC | Columbia | TN | — | ◇ UNVERIFIED |
| BWBp Warehouse | Hammond | IN | — | ◇ UNVERIFIED |
| BMBraden Manufacturing | Fort Smith | AR | — | ◇ UNVERIFIED |
| BCBratton Corporation | Kansas City | MO | — | ◇ UNVERIFIED |
| BSBreed Steering Sys. INC. | Grabill | IN | — | ◇ UNVERIFIED |
| BMBressler Metal Works, INC. | Lebanon | PA | — | ◇ UNVERIFIED |
| BFBridgestone Flowtech America I | Orange Park | FL | — | ◇ 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 |
| BIBrunnquell Iron Works INC | South Brunswick Twp | NJ | — | ◇ UNVERIFIED |
| BMBtd Manufacturing INC. | Dawsonville | GA | — | ◇ UNVERIFIED |
| BMBtd Mfg INC | Lakeville | MN | — | ◇ UNVERIFIED |
| BEBuffalo Equipment CO | Columbus | NE | — | ◇ UNVERIFIED |
| BEBuhrt Engineering Incorporated | Warsaw | IN | — | ◇ UNVERIFIED |
| BNBurgaflex Na-plant 1 | Holly | MI | — | ◇ UNVERIFIED |
| BMBusby Marine and Tank INC | Tacoma | WA | — | ◇ UNVERIFIED |
| BDBussman Div Cooper Ind | Goldsboro | NC | — | ◇ UNVERIFIED |
| CICaid Industries INC. | Tucson | AZ | — | ◇ UNVERIFIED |
| CMCaldwell Manufacturing CO | Kearney | NE | — | ◇ 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 |
| CFCannon Fabrication INC | Corona | CA | — | ◇ UNVERIFIED |
| CFCardinal Fab-williamston | Williamston | MI | — | ◇ UNVERIFIED |
| CCCareys Construction Company INC | Jackson | MS | — | ◇ UNVERIFIED |
| CGCaribe Ge International of Pr INC | Anasco | PR | — | ◇ UNVERIFIED |
| CFCarswell Firman L Mfg CO INC | Kansas City | KS | — | ◇ UNVERIFIED |
| CCCatalina Composites | Garden Grove | CA | — | ◇ UNVERIFIED |
| CGCaterpillar Global Mining | South Milwaukee | WI | — | ◇ UNVERIFIED |
| CICaterpillar INC Seals Metalcasting Facility | Toccoa | GA | — | ◇ UNVERIFIED |
| CPCaterpillar Paving Products INC | New Ulm | MN | — | ◇ UNVERIFIED |
| CBCavo Build Design | Gloucester City | NJ | — | ◇ UNVERIFIED |
| CGCcc Group | San Antonio | TX | — | ◇ UNVERIFIED |
| CCC & C Fabrication, LLC | Lanett | AL | — | ◇ UNVERIFIED |
| CCC & C Iron Incorporated | Merrillville | IN | — | ◇ UNVERIFIED |
| CDCed Dba 3e | Des Moines | IA | — | ◇ UNVERIFIED |
| CACentral Al Fabricators INC | Columbiana | AL | — | ◇ UNVERIFIED |
| CDCentral Denver Iron Works, INC | Denver | CO | — | ◇ UNVERIFIED |
| CECentral Electric Company LLC | Fulton | MO | — | ◇ UNVERIFIED |
| CFCentral Florida Custom Trailers, INC. | Orlando | FL | — | ◇ UNVERIFIED |
| CHCentral Hydraulics INC | East Freedom | PA | — | ◇ UNVERIFIED |
| CCentria | Ambridge | PA | — | ◇ UNVERIFIED |
| CSCgb St Louis Shipyard | Saint Louis | MO | — | ◇ UNVERIFIED |
| CHChampion Home Builders - Arkansas City (w Madison Ave) | Arkansas City | KS | — | ◇ UNVERIFIED |
| CSCives Steel Company | Winchester | VA | — | ◇ UNVERIFIED |
| CSCives Steel Company, Mid-west Division | Wolcott | IN | — | ◇ UNVERIFIED |
| CRClark Rigging & Rental | Lockport | NY | — | ◇ UNVERIFIED |
| CSClearview Structural Steel Souderton Plt | Souderton | PA | — | ◇ UNVERIFIED |
| CIClippard Instument Laboratory INC (b087) | Fairfield | OH | — | ◇ UNVERIFIED |
| CSC&l Steel | Jacksonville | FL | — | ◇ UNVERIFIED |
| CCCmc Coatings | Waxahachie | TX | — | ◇ UNVERIFIED |
| CCCmc Coating Toltec Steel | Kankakee | IL | — | ◇ UNVERIFIED |
| CJCmc Joist & Deck Iowa | Iowa Falls | IA | — | ◇ UNVERIFIED |
| CRCmc Rebar | Nashville | TN | — | ◇ UNVERIFIED |
| CRCmc Rebar-ga-atlanta | Duluth | GA | — | ◇ UNVERIFIED |
| CRCmc Rebar Muncie North | Muncie | IN | — | ◇ UNVERIFIED |
