| BDB & D Welding & Fabrication INC. | Tremonton | UT | — | ◇ UNVERIFIED |
| BXBD Xtreme Holdings LLC | Bonifay | FL | — | ◇ UNVERIFIED |
| BSBeacon Sales Acquisition, INC | West Bridgewater | MA | — | ◇ UNVERIFIED |
| BCBear Creek Fabrication LLC | Bear Creek | NC | — | ◇ UNVERIFIED |
| BVBear Valley Fabricators & Steel Supply INC | Lucerne Valley | CA | — | ◇ UNVERIFIED |
| BRBec-don Ringgold, INC. | Ringgold | GA | — | ◇ UNVERIFIED |
| BDBeck Developers, LLC | Sterling | VA | — | ◇ UNVERIFIED |
| BBBecker Boiler Co., INC. | Milwaukee | WI | — | ◇ UNVERIFIED |
| BSBeckley Steel, INC. | Crab Orchard | WV | — | ◇ UNVERIFIED |
| BMBecksted Machine, INC. | Tucson | AZ | — | ◇ UNVERIFIED |
| BIBeehive Industries LLC | Mount Vernon | OH | — | ◇ UNVERIFIED |
| BMBegneaud Manufacturing INC | Scott | LA | — | ◇ UNVERIFIED |
| BWBekos Welding INC | Canby | OR | — | ◇ UNVERIFIED |
| BABel Air Machining CO | Santa Ana | CA | — | ◇ UNVERIFIED |
| BMBelisle Machine & Tool, INC. | Camden | TN | — | ◇ UNVERIFIED |
| BEBell Equipment, LLC | Inverness | MS | — | ◇ UNVERIFIED |
| BSBellis Steel CO INC | Chatsworth | CA | — | ◇ UNVERIFIED |
| BEB & E Machine INC | La Vergne | TN | — | ◇ UNVERIFIED |
 Benchmark Electronics INC Dba Precision Technologies | Fremont | CA | — | ◇ UNVERIFIED |
| BPBenchmark Precision Products LLC | West Newbury | MA | — | ◇ UNVERIFIED |
| BTBenco Technology LLC | Honey Brook | PA | — | ◇ UNVERIFIED |
| BWBen-co Welding, INC. Dba Benco Welding Company, INC. | Winder | GA | — | ◇ UNVERIFIED |
| BIBendco INC. | Pasadena | TX | — | ◇ UNVERIFIED |
| BCBender Ccp INC | Chula Vista | CA | — | ◇ UNVERIFIED |
| BMBender Mechanical Services INC | Lebanon | OR | — | ◇ UNVERIFIED |
| BSBending Specialists, LLC | Lockport | IL | — | ◇ UNVERIFIED |
| BIBendtec INC | Duluth | MN | — | ◇ UNVERIFIED |
| BCBeneco CORP | Madison Heights | MI | — | ◇ UNVERIFIED |
| BIBenecor, INC. | Wichita | KS | — | ◇ UNVERIFIED |
| BHBen Hur Steel Worx | Saint Louis | MO | — | ◇ UNVERIFIED |
| BFBenicia Foundry & Iron Works | Benicia | CA | — | ◇ UNVERIFIED |
| BCBenjamin C Lavoie | Buzzards Bay | MA | — | ◇ UNVERIFIED |
| BFBenjamin Fabricators, LLC | Silver Spring | MD | — | ◇ UNVERIFIED |
| BMBenner Metals Corporation | Fullerton | CA | — | ◇ UNVERIFIED |
| BSBennett Steel Fabrication, INC. | Sapulpa | OK | — | ◇ UNVERIFIED |
| BIBensalem Ii Enterprises | Bensalem | PA | — | ◇ UNVERIFIED |
| BSBenson Steel Fabricators | Saugerties | NY | — | ◇ UNVERIFIED |
| BCBerg Companies | Spokane | WA | — | ◇ UNVERIFIED |
| BBBerger Building Products, INC. | Ivyland | PA | — | ◇ UNVERIFIED |
| BGBergeron Group, INC. | Joliet | IL | — | ◇ UNVERIFIED |
| BSBerger Steel Corporation | Mcclellan | CA | — | ◇ UNVERIFIED |
| BFBergh's Fabricating INC | Willmar | MN | — | ◇ UNVERIFIED |
| BDBernard Dalsin Manufacturing | Farmington | MN | — | ◇ UNVERIFIED |
| BVBerrydale Ventures LLC | Kent | WA | — | ◇ UNVERIFIED |
| BRBert R Huncilman and Son INC | New Albany | IN | — | ◇ UNVERIFIED |
| BSBesco Steel Supply of Georgia, INC. | Winder | GA | — | ◇ UNVERIFIED |
| BIBesler Industries INC | Cambridge | NE | — | ◇ UNVERIFIED |
| BTBessemer Trading Inc. | Seattle | WA | — | ◇ UNVERIFIED |
| BMBess Materials Testing and Inspection INC | Hayward | CA | — | ◇ UNVERIFIED |
| BCBestmetal Corporation | Woodstock | IL | — | ◇ UNVERIFIED |
| BFBest-way Fabricating INC | Saint Joseph | MN | — | ◇ UNVERIFIED |
| BWBet-mac Wilson Steel, INC. | Creedmoor | NC | — | ◇ UNVERIFIED |
| BBBetter Bilt Sheet Metal LLC | San Antonio | TX | — | ◇ UNVERIFIED |
| BBBetter Burglar Bars INC. | Houston | TX | — | ◇ UNVERIFIED |
| BMBetter Maintenance Sheet Metal CORP. | Newburyport | MA | — | ◇ UNVERIFIED |
| BSBetz Sheet Metal, LLC | Baton Rouge | LA | — | ◇ UNVERIFIED |
| BCBevel Corporation | Sulphur | LA | — | ◇ UNVERIFIED |
| BSBeyond Steel Fabrication LLC | Redlands | CA | — | ◇ UNVERIFIED |
| BMB.g. Metals, INC. | San Antonio | TX | — | ◇ UNVERIFIED |
| BPBhm Pipe & Supply, INC | Crosby | TX | — | ◇ UNVERIFIED |
| BIBhp, INC. | Milwaukee | WI | — | ◇ UNVERIFIED |
| BLBhs, LLC | Minneapolis | MN | — | ◇ UNVERIFIED |
| BTBh Tank Works INC Dba Bh Tank INC | Madera | CA | — | ◇ UNVERIFIED |
| BSBico Steel Service Centers | Grand Rapids | MI | — | ◇ UNVERIFIED |
| BMBid Machine, INC. | Chandler | AZ | — | ◇ UNVERIFIED |
| BLBiesterWeld LLC | Las Vegas | NV | — | ◇ UNVERIFIED |
| B3Big 3 Precision Products, INC. | Centralia | IL | — | ◇ UNVERIFIED |
| BBBig Bubba's Trailer Sales Mfg | Ogden | UT | — | ◇ UNVERIFIED |
| BIB I G Enter. INC | South El Monte | CA | — | ◇ UNVERIFIED |
 Bigfoot Mobile Systems | Winters | CA | — | ◇ UNVERIFIED |
| BLBig League Lawns, LLC | Lansing | MI | — | ◇ UNVERIFIED |
| BOBig Orange Gate CO LLC | Albany | KY | — | ◇ UNVERIFIED |
| BTBig T Hydraulic, INC. | Ceres | CA | — | ◇ UNVERIFIED |
| BWBillington Welding & Mfg. | Modesto | CA | — | ◇ UNVERIFIED |
| BCBills Custom Fab | East Lansing | MI | — | ◇ UNVERIFIED |
| BCBills Custom Fab | Alma | MI | — | ◇ UNVERIFIED |
| BWBilly's Welding and Repair Service, INC. | Erwin | NC | — | ◇ UNVERIFIED |
| BMBiltmore Metal Fabricators INC. | Long Beach | CA | — | ◇ UNVERIFIED |
| BPBiofab Products, INC. | Butler | PA | — | ◇ UNVERIFIED |
| BMBiopower Manufacturing LLC | Foley | AL | — | ◇ UNVERIFIED |
| BSBishop Steel Co, INC. | East Point | GA | — | ◇ UNVERIFIED |
| BCBison Customs LLC | Preston | ID | — | ◇ UNVERIFIED |
| BTBite the Bullet LLC. | Las Vegas | NV | — | ◇ UNVERIFIED |
| BFBj Fab LLC | Fond du Lac | WI | — | ◇ UNVERIFIED |
| BIB.j.r.e.o. INC. | West Elizabeth | PA | — | ◇ UNVERIFIED |
| BABJSD Acquisition, LLC | Omaha | NE | — | ◇ UNVERIFIED |
| BCBkb Construction LP | Los Angeles | CA | — | ◇ UNVERIFIED |
| BABlack Acorn, LLC | Atoka | OK | — | ◇ UNVERIFIED |
| BBBlack Bear Metal Fab INC | Estacada | OR | — | ◇ UNVERIFIED |
| BDBlack Dog Consulting INC Dba Ch Yarber Constructio | Cheyenne | WY | — | ◇ UNVERIFIED |
| BEBlackhawk Enterprises Company | San Marcos | TX | — | ◇ UNVERIFIED |
 Blackman, INC. | New Franken | WI | — | ◇ UNVERIFIED |
| BRBlackmore Realty LLC | Perry | OH | — | ◇ UNVERIFIED |
| BRBlack Rock Venture LLC | Phoenix | AZ | — | ◇ UNVERIFIED |
| BWBlackwell's Welding, INC. | Jessup | MD | — | ◇ UNVERIFIED |
| BSBlazing Structure Steel INC | Riverside | CA | — | ◇ UNVERIFIED |
| BCBlentech CORP | Hickory | NC | — | ◇ UNVERIFIED |
| BMBleu Mfg INC | Isanti | MN | — | ◇ UNVERIFIED |
| BMBlevins Metal Fabrication, INC. | Mansfield | OH | — | ◇ UNVERIFIED |
| BRBliek's Repair | Hull | IA | — | ◇ UNVERIFIED |
