| BBentech | Roanoke | VA | — | ◇ UNVERIFIED |
| BIB-equipment, INC. | Ellisville | MS | — | ◇ 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 |
| BLBerg Ladders INC | University Park | IL | — | ◇ UNVERIFIED |
| BMBerg Manufacturing INC | Santa Clara | CA | — | ◇ UNVERIFIED |
| BDBernard Dalsin Manufacturing | Farmington | MN | — | ◇ UNVERIFIED |
| BHBerone Holdings LLC | Somers | CT | — | ◇ UNVERIFIED |
| BVBerrydale Ventures LLC | Kent | WA | — | ◇ UNVERIFIED |
| BLBerry Leasing, LLC | Dayton | OH | — | ◇ UNVERIFIED |
| BRBert R Huncilman and Son INC | New Albany | IN | — | ◇ UNVERIFIED |
| BSBesco Steel Supply of Georgia, INC. | Winder | GA | — | ◇ UNVERIFIED |
| BMBess Materials Testing and Inspection INC | Hayward | CA | — | ◇ UNVERIFIED |
| BMBest Manufacturing, LLC | Cameron Park | CA | — | ◇ UNVERIFIED |
| BQBest Quality Carbide Tooling LLC | El Cajon | CA | — | ◇ UNVERIFIED |
| BTBest Technologies, LLC | Kansas City | MO | — | ◇ UNVERIFIED |
| BFBest-way Fabricating INC | Saint Joseph | MN | — | ◇ UNVERIFIED |
| BEBeta Engineering, INC | Sarcoxie | MO | — | ◇ UNVERIFIED |
| BMBethel Machine & Manufacturing, INC. | Bethel Park | PA | — | ◇ UNVERIFIED |
| BGBethlehem Gear & Machine Company, INC. | Wheeling | WV | — | ◇ 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 |
| BCBevel Corporation | Sulphur | LA | — | ◇ UNVERIFIED |
| BTBevel Tech Group, INC. | Geismar | LA | — | ◇ UNVERIFIED |
| BSBeyond Steel Fabrication LLC | Redlands | CA | — | ◇ UNVERIFIED |
| BFB & F General Machine, INC | Slatington | PA | — | ◇ UNVERIFIED |
| BMBf Machining - Manufacturing INC Dba B-f Custom | Anoka | MN | — | ◇ UNVERIFIED |
| BMB&f Model and Pattern, INC. | Milford | CT | — | ◇ UNVERIFIED |
| BMB-g Machine, INC. | Bardstown | KY | — | ◇ UNVERIFIED |
| BMB.g. Metals, INC. | San Antonio | TX | — | ◇ UNVERIFIED |
| BPBhm Pipe & Supply, INC | Crosby | TX | — | ◇ UNVERIFIED |
| BIBhp, INC. | Milwaukee | WI | — | ◇ UNVERIFIED |
| BTBh Tank Works INC Dba Bh Tank INC | Madera | CA | — | ◇ UNVERIFIED |
| B3Big 3 Precision Products, INC. | Centralia | IL | — | ◇ UNVERIFIED |
| BCBig Creek Specialty Plastics LLC | Shepherd | TX | — | ◇ UNVERIFIED |
| BIB I G Enter. INC | South El Monte | CA | — | ◇ UNVERIFIED |
| BTBiggs Tool & Die, INC | Warminster | PA | — | ◇ UNVERIFIED |
| BOBig Orange Gate CO LLC | Albany | KY | — | ◇ UNVERIFIED |
| BMBillet Machine and Fabrication, INC. | Toano | VA | — | ◇ UNVERIFIED |
| BWBillington Welding & Mfg. | Modesto | CA | — | ◇ UNVERIFIED |
| BCBills Custom Fab | Alma | MI | — | ◇ UNVERIFIED |
| BCBills Custom Fab | East Lansing | MI | — | ◇ UNVERIFIED |
| BWBilly's Welding and Repair Service, INC. | Erwin | NC | — | ◇ UNVERIFIED |
| BMBiloxi Machine and Metal | Biloxi | MS | — | ◇ UNVERIFIED |
| BPBiofab Products, INC. | Butler | PA | — | ◇ UNVERIFIED |
| BFBio Fab Technologies, INC. | Kenosha | WI | — | ◇ UNVERIFIED |
| BMBiopower Manufacturing LLC | Foley | AL | — | ◇ UNVERIFIED |
| BMBirch Manufacturing AZ LLC | Chandler | AZ | — | ◇ UNVERIFIED |
| BMBirdwell Machine LLC | Redmond | WA | — | ◇ UNVERIFIED |
| BMBirdwell Machine LLC Everett | Everett | WA | — | ◇ UNVERIFIED |
| BSBishop Steel Co, INC. | East Point | GA | — | ◇ UNVERIFIED |
| BABits and Bites Vending | Derwood | MD | — | ◇ UNVERIFIED |
 Bitterroot Tool & Machine LLC. | Stevensville | MT | — | ◇ UNVERIFIED |
| BMBitzan Machine LLC | Brandon | MN | — | ◇ UNVERIFIED |
| BMBizal Mfg INC | Minneapolis | MN | — | ◇ UNVERIFIED |
| BIB.j.r.e.o. INC. | West Elizabeth | PA | — | ◇ UNVERIFIED |
| BJB & J Tool Services Inc. | Fenton | MI | — | ◇ UNVERIFIED |
| BAB&k Ables Enterprises, INC. | Show Low | AZ | — | ◇ UNVERIFIED |
| BCBkb Construction LP | Los Angeles | CA | — | ◇ UNVERIFIED |
| BMBkg Machine & Fabrication, INC. | Victoria | TX | — | ◇ UNVERIFIED |
| BMBK Metal Sales, Inc. | Rochester | NY | — | ◇ UNVERIFIED |
| BMBk Metal Technologies, LLC | Comstock Park | MI | — | ◇ UNVERIFIED |
| BMBkp Manufacturing INC | Valencia | CA | — | ◇ UNVERIFIED |
| BBBlack Bear Industrial | Rumford | ME | — | ◇ UNVERIFIED |
| BDBlack Diamond Xtreme Engineering INC | Cannon Falls | MN | — | ◇ UNVERIFIED |
| BDBlack Dog Consulting INC Dba Ch Yarber Constructio | Cheyenne | WY | — | ◇ UNVERIFIED |
| BEBlack Eagle Manufacturing | Hendersonville | NC | — | ◇ UNVERIFIED |
| BFBlack Flag Metalsmith LLC | Alachua | FL | — | ◇ UNVERIFIED |
| BEBlackhawk Enterprises Company | San Marcos | TX | — | ◇ UNVERIFIED |
| BPBlackjack Pipejack Stands, LLC | Pointblank | TX | — | ◇ UNVERIFIED |
| BRBlackland Razors | Santee | CA | — | ◇ UNVERIFIED |
| BRBlackline Racing LLC | Murray | UT | — | ◇ UNVERIFIED |
 Blackman, INC. | New Franken | WI | — | ◇ UNVERIFIED |
| BRBlack Rhino Manufacturing Inc. | Amelia | OH | — | ◇ UNVERIFIED |
| BRBlack Rock Venture LLC | Phoenix | AZ | — | ◇ UNVERIFIED |
| BVBlackstone Valley Machining LLC | Mendon | MA | — | ◇ UNVERIFIED |
| BHBlackwell Holdings, LLC | Dover | OH | — | ◇ UNVERIFIED |
| BWBlackwell's Welding, INC. | Jessup | MD | — | ◇ UNVERIFIED |
| BIBlanda INC | Eagan | MN | — | ◇ UNVERIFIED |
| BMBlankinship Machine Shop | Mcallen | TX | — | ◇ UNVERIFIED |
| BSBlazing Structure Steel INC | Riverside | CA | — | ◇ UNVERIFIED |
| BPBless Precision Tool, INC. | Quakertown | PA | — | ◇ UNVERIFIED |
| BLB Line Systems Incorporated | Norcross | GA | — | ◇ UNVERIFIED |
| BIBliss Industries INC | Fremont | CA | — | ◇ UNVERIFIED |
| BLB & L Steel Fabrications, INC. | Prairieville | LA | — | ◇ UNVERIFIED |
| BTBlt Tanks, L.l.c. | Corinth | MS | — | ◇ UNVERIFIED |
| BBBlue Bird Realty LLC | Linden | NJ | — | ◇ UNVERIFIED |
| BDBlue Diamond Sheet Metal, Inc. | Medford | NY | — | ◇ UNVERIFIED |
| BSBluegrass Spring Company, LLC | London | KY | — | ◇ UNVERIFIED |
| BMBlueprint Manufacturing Inc | Denver | CO | — | ◇ UNVERIFIED |
| BRBlue Ridge Fabricators, INC. | Roanoke | VA | — | ◇ UNVERIFIED |
| BRBlue Ridge Machine & Electrical Contractors INC | Westminster | SC | — | ◇ UNVERIFIED |
| BSBlue Sky Vision Partners, LLC | Rochester | NY | — | ◇ UNVERIFIED |
| BSBlue Spruce Investments, LLC (EPC) and Deephole Solutions, Inc. (OC) | Houston | TX | — | ◇ UNVERIFIED |
| BSBlue Streak Grinding INC | Phoenix | AZ | — | ◇ UNVERIFIED |
