| ASAllstate Steel CO | Jacksonville | FL | — | ◇ UNVERIFIED |
| ASAll Steel Construction-malvern Facility | Malvern | AR | — | ◇ UNVERIFIED |
| AIAlmaco INC | Nevada | IA | — | ◇ UNVERIFIED |
 Alonso & Carus Iron Works INC | Catano | PR | — | ◇ UNVERIFIED |
| ASAlpine Steel Fabricators | Colorado Springs | CO | — | ◇ UNVERIFIED |
| 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 |
| ACAmerican Concrete Industries | Fort Pierce | FL | — | ◇ UNVERIFIED |
| AIAmerican Idustrial Fabricators INC | Saint Amant | LA | — | ◇ UNVERIFIED |
| AKAmerican Keg CO | Pottstown | PA | — | ◇ UNVERIFIED |
| ADAmeri-kan Division of Stoutco INC | Independence | KS | — | ◇ UNVERIFIED |
| AAAmerimix a Div of Bonsal American | Auburndale | FL | — | ◇ UNVERIFIED |
| ACAmeristeel CORP | Plant City | FL | — | ◇ UNVERIFIED |
| ACAmes Construction Inc.cn | Aurora | CO | — | ◇ UNVERIFIED |
| ARAmg Resources CORP | Youngstown | OH | — | ◇ UNVERIFIED |
| AMAngelini Metal Works | Hialeah | FL | — | ◇ UNVERIFIED |
| AFApex Fabrication & Design INC | Boyertown | PA | — | ◇ UNVERIFIED |
| ACArban Carosi Diana Precast - Ladysmith Plant | Ruther Glen | VA | — | ◇ UNVERIFIED |
| ARArchitectural Rails INC | Panama City | FL | — | ◇ UNVERIFIED |
| ALArcron LLC | Menomonee Falls | WI | — | ◇ UNVERIFIED |
| ALArdex LP | Stockton | CA | — | ◇ UNVERIFIED |
| AAArkansas Ag-halley Junction | Dermott | AR | — | ◇ UNVERIFIED |
| ALArmorock LLC | Boulder City | NV | — | ◇ UNVERIFIED |
| ASArt Stone Products CORP | Newfield | NJ | — | ◇ UNVERIFIED |
| AIAsc, INC. | Tulsa | OK | — | ◇ UNVERIFIED |
| ASAshley Steel, INC. | N Charleston | SC | — | ◇ UNVERIFIED |
| AIAs-tech Industries INC | Warren | MI | — | ◇ UNVERIFIED |
| APAtlantic Precast Concrete, INC | Sarasota | FL | — | ◇ UNVERIFIED |
| ACAtlas Copco Hurricane LLC | Franklin | IN | — | ◇ UNVERIFIED |
 Atlas Industrial Holdings, Lle (0125042240) | Columbus | OH | — | ◇ UNVERIFIED |
| APAtlas Pumping | Albuquerque | NM | — | ◇ UNVERIFIED |
| APAtmi Plant 2 | Greenfield | IN | — | ◇ UNVERIFIED |
| AMAtwood Mobile Products, LLC | West Union | IA | — | ◇ UNVERIFIED |
| ADAuburndale Drymix Plant | Auburndale | FL | — | ◇ UNVERIFIED |
| AAAxiom Automotive Technologies | Mc Kees Rocks | PA | — | ◇ 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 |
| BMBakers Manufacturing, LLC | Conover | NC | — | ◇ UNVERIFIED |
| BWBakers Waste Equipment, INC. | Lenoir | NC | — | ◇ UNVERIFIED |
| BWBakers Waste Equipment Incorporated | Morganton | NC | — | ◇ UNVERIFIED |
| BMBalzer Mfg - North Bldg | Mountain Lake | MN | — | ◇ UNVERIFIED |
| BSBanker Steel South Plant | Lynchburg | VA | — | ◇ UNVERIFIED |
| BCBarbour Concrete Company | Independence | MO | — | ◇ UNVERIFIED |
| BOBardons & Oliver, INC. | Solon | OH | — | ◇ UNVERIFIED |
| BSBarker Steel LLC | South Deerfield | MA | — | ◇ UNVERIFIED |
| BSBarker Steel LLC | South Windsor | CT | — | ◇ UNVERIFIED |
| BHBarko Hydraulics LLC | Superior | WI | — | ◇ UNVERIFIED |
| BLBay LTD | Belle Chasse | LA | — | ◇ UNVERIFIED |
| BLBay LTD - Bay West Yard | Amelia | LA | — | ◇ UNVERIFIED |
| BOBay Offshore LTD - Bay North Yard | Amelia | LA | — | ◇ UNVERIFIED |
| BFBazooka Farmstar INC. | Washington | IA | — | ◇ UNVERIFIED |
| BCB & C Concrete Products, INC. | North Wilkesboro | NC | — | ◇ UNVERIFIED |
| BSBeck Steel | Lubbock | TX | — | ◇ UNVERIFIED |
| BSBelgrade Steel Tank CO INC | Belgrade | MN | — | ◇ UNVERIFIED |
| BSBelgrade Steel Tank CO INC - | Crow Lake Township | MN | — | ◇ UNVERIFIED |
| BSBell Steel INC. | Chandler | AZ | — | ◇ UNVERIFIED |
| BIBennington Iron Works INC | Bennington | VT | — | ◇ UNVERIFIED |
| BDBenton Drumming CORP | Granite City | IL | — | ◇ UNVERIFIED |
| BCBerenfield Containers Inc/clarendon Plt | Clarendon | PA | — | ◇ UNVERIFIED |
| BUBerger US INC | Chicago | IL | — | ◇ UNVERIFIED |
| BBBig Bee Metal Manufacturing Company INC | Tremont | MS | — | ◇ 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 |
| BSBii Salem | Salem | SD | — | ◇ UNVERIFIED |
| BFBlazer Fabricating LLC Bessemer Plant | Bessemer | AL | — | ◇ UNVERIFIED |
| BHBlp Holdings | Houston | TX | — | ◇ UNVERIFIED |
| BMBmc Metalworks LLC | Columbia | TN | — | ◇ UNVERIFIED |
| BPBoccella Precast | Winslow Twp | NJ | — | ◇ UNVERIFIED |
| BPBoccella Precast LLC | Berlin | NJ | — | ◇ UNVERIFIED |
| BCBolton Concrete Products INC. | Johnson City | TN | — | ◇ UNVERIFIED |
| BIBommer Industries INC | Gaffney | SC | — | ◇ UNVERIFIED |
| BRBoral Roofing LLC | Phoenix | AZ | — | ◇ UNVERIFIED |
| BWBp Warehouse | Hammond | IN | — | ◇ UNVERIFIED |
| BBBradbury Burial Vault CO INC | Gloucester Twp | NJ | — | ◇ UNVERIFIED |
| BMBraden Manufacturing | Fort Smith | AR | — | ◇ UNVERIFIED |
| BTBradley Tank & Pipe, LLC | Mcdonald | TN | — | ◇ UNVERIFIED |
| BCBratton Corporation | Kansas City | MO | — | ◇ UNVERIFIED |
| BSBreed Steering Sys. INC. | Grabill | IN | — | ◇ UNVERIFIED |
| BMBressler Metal Works, INC. | Lebanon | PA | — | ◇ UNVERIFIED |
| BEBridgeport Equipment and Tool | Ripley | WV | — | ◇ UNVERIFIED |
 Bristol Manufacturing CORP | Springfield | MO | — | ◇ UNVERIFIED |
| BSBristol Steel & Conveyor | Davison | MI | — | ◇ UNVERIFIED |
| BHBroadwind Heavy Industries | Clintonville | WI | — | ◇ UNVERIFIED |
 Brownell Boat Stands | Mattapoisett | MA | — | ◇ UNVERIFIED |
| BMBrown Manufacturing Corporation | Ozark | AL | — | ◇ UNVERIFIED |
| BRBrown & Root Incorporated Greens Bayou Fabrication Yard | Houston | TX | — | ◇ UNVERIFIED |
| BIBrown-wilbert INC. - Jamestown | Jamestown | ND | — | ◇ UNVERIFIED |
| BVBrown-wilbert Vault CO. - De Pere | De Pere | WI | — | ◇ UNVERIFIED |
| BEBroyhill Equipment LLC | Dakota City | NE | — | ◇ 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 |
