| BMB-g Machine, INC. | Bardstown | KY | — | ◇ UNVERIFIED |
| BCBig Creek Specialty Plastics LLC | Shepherd | TX | — | ◇ UNVERIFIED |
| BFBig Four Foundries CORP | Tulsa | OK | — | ◇ UNVERIFIED |
| BTBiggs Tool & Die, INC | Warminster | PA | — | ◇ UNVERIFIED |
| BMBillet Machine and Fabrication, INC. | Toano | VA | — | ◇ UNVERIFIED |
| BMBiloxi Machine and Metal | Biloxi | MS | — | ◇ UNVERIFIED |
| BTBingham & Taylor | Rocky Hill | CT | — | ◇ UNVERIFIED |
| BFBio Fab Technologies, INC. | Kenosha | WI | — | ◇ UNVERIFIED |
| BMBirch Manufacturing AZ LLC | Chandler | AZ | — | ◇ UNVERIFIED |
| BJBird Johnson CO | Seattle | WA | — | ◇ UNVERIFIED |
| BMBirdwell Machine LLC | Redmond | WA | — | ◇ UNVERIFIED |
| BMBirdwell Machine LLC Everett | Everett | WA | — | ◇ 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 |
| BJB & J Tool Services Inc. | Fenton | MI | — | ◇ UNVERIFIED |
| BAB&k Ables Enterprises, INC. | Show Low | AZ | — | ◇ 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 |
| BEBlack Eagle Manufacturing | Hendersonville | NC | — | ◇ UNVERIFIED |
| BFBlackhawk Foundry & Machine CO | Davenport | IA | — | ◇ UNVERIFIED |
| BPBlackjack Pipejack Stands, LLC | Pointblank | TX | — | ◇ UNVERIFIED |
| BRBlackland Razors | Santee | CA | — | ◇ UNVERIFIED |
| BRBlackline Racing LLC | Murray | UT | — | ◇ UNVERIFIED |
| BRBlack Rhino Manufacturing Inc. | Amelia | OH | — | ◇ UNVERIFIED |
| BVBlackstone Valley Machining LLC | Mendon | MA | — | ◇ UNVERIFIED |
| BHBlackwell Holdings, LLC | Dover | OH | — | ◇ UNVERIFIED |
| BIBlanda INC | Eagan | MN | — | ◇ UNVERIFIED |
| BMBlankinship Machine Shop | Mcallen | TX | — | ◇ UNVERIFIED |
| BPBless Precision Tool, INC. | Quakertown | PA | — | ◇ UNVERIFIED |
| BFBloomfield Foundry, INC | Bloomfield | IA | — | ◇ UNVERIFIED |
| BSBluegrass Spring Company, LLC | London | KY | — | ◇ UNVERIFIED |
| BMBlueprint Manufacturing Inc | Denver | CO | — | ◇ 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 |
| BWBlue Wolf Blasting LLC | Choctaw | OK | — | ◇ UNVERIFIED |
| BTBme Tool INC | Lonsdale | MN | — | ◇ UNVERIFIED |
| BPBMH Properties | Kewaskum | WI | — | ◇ UNVERIFIED |
| BMB & M Machine INC | Fontana | CA | — | ◇ UNVERIFIED |
| BMB&m Machining & Fabrication, INC. | Calhoun | GA | — | ◇ UNVERIFIED |
| BMB&m Molding | Santa Clarita | CA | — | ◇ UNVERIFIED |
| BSBmr Suspension | Seffner | FL | — | ◇ UNVERIFIED |
| BSBmr Suspension | Thonotosassa | FL | — | ◇ UNVERIFIED |
| BMBms Manufacturing CO. INC. | Watkins Glen | NY | — | ◇ UNVERIFIED |
| BNB & N Machine & Welding | Lubbock | TX | — | ◇ UNVERIFIED |
| BABobby's Auto Machine Shop | Fort Pierce | FL | — | ◇ UNVERIFIED |
| BIBob Incorporated | Minneapolis | MN | — | ◇ UNVERIFIED |
| BHBoeing Helena | Helena | MT | — | ◇ UNVERIFIED |
| BPBohr Precision Machining, INC. | Germantown | WI | — | ◇ UNVERIFIED |
| BFBoise Foundry and Machine | Melba | ID | — | ◇ UNVERIFIED |
| BPBolero Plastics | Santa Fe Springs | CA | — | ◇ UNVERIFIED |
| BLBonaco2 LLC | Upland | CA | — | ◇ UNVERIFIED |
| BPBonner Processing INC | Livermore | CA | — | ◇ UNVERIFIED |
| BIBorchardt Investment Properties IV, LLC | Addison | IL | — | ◇ UNVERIFIED |
| BMBoring Machine CORP | Fridley | MN | — | ◇ UNVERIFIED |
| BFBorough Furnace, Inc. | East Syracuse | NY | — | ◇ UNVERIFIED |
| BFBosco Fabrication, LLC | Broussard | LA | — | ◇ UNVERIFIED |
| BSBosco Supply & Machine LLC | Spencer | WV | — | ◇ UNVERIFIED |
| BLBoston Lasers Precision Cut, LLC | Amesbury | MA | — | ◇ UNVERIFIED |
| BUBoston University-department of Physics | Boston | MA | — | ◇ UNVERIFIED |
| BCBoundless Construction llc | Collinwood | TN | — | ◇ UNVERIFIED |
| BOB & O Welding & Machine Company, INC. | Brookhaven | MS | — | ◇ UNVERIFIED |
| BTBowman Tool - Machining INC | Rochester | MN | — | ◇ UNVERIFIED |
| BMBoyds Machine & Metal Finishing INC. | West Milton | OH | — | ◇ UNVERIFIED |
| BMBoyer Mechanical Services INC | Bemidji | MN | — | ◇ UNVERIFIED |
| BFBoyertown Foundry Co/fka Eafco | New Berlinville | PA | — | ◇ UNVERIFIED |
| BMBoyle Manufacturing | Tulsa | OK | — | ◇ UNVERIFIED |
| BPB & P Fabricating Company | College Park | GA | — | ◇ UNVERIFIED |
| BIBPM Inc. | Henrico | VA | — | ◇ UNVERIFIED |
| BABps Automated Manufacturing Solutions | Kingston | MA | — | ◇ UNVERIFIED |
| BABps Automated Manufacturing Solutions | Kingston | MA | — | ◇ UNVERIFIED |
| BMBRACKINS MACHINE SHOP,LLC, a Tennessee Limited Liability Company | Erwin | TN | — | ◇ UNVERIFIED |
| BCBrad Carpenter | Warrenville | IL | — | ◇ UNVERIFIED |
| BMBradford Machine, INC. | Bradford | NH | — | ◇ UNVERIFIED |
| BABradken - Amite - Foundry | Amite | LA | — | ◇ UNVERIFIED |
| BBBradley Brooks | Butler | MO | — | ◇ UNVERIFIED |
| BDBradley & Deborah Schrank Dba Aa Precision Tooling | Blooming Prairie | MN | — | ◇ UNVERIFIED |
| BMBradley Machine & Design, L.l.c. | Chickasha | OK | — | ◇ UNVERIFIED |
| BMBradley Machine INC | Wichita | KS | — | ◇ UNVERIFIED |
| BMBrady Mfg LLC | Yuba City | CA | — | ◇ UNVERIFIED |
| BSBrake Supply Company Downard Underground, INC. | Princeton | WV | — | ◇ UNVERIFIED |
| BMBralco Metals Reliance Steel CORP | La Mirada | CA | — | ◇ UNVERIFIED |
| BCBranchfield Casting | Galva | IL | — | ◇ UNVERIFIED |
| BMBranch Manufacturing Company | North Branch | MN | — | ◇ UNVERIFIED |
| BIBrandenburg Indus Svc CO at Brillion Ironworks | Brillion | WI | — | ◇ UNVERIFIED |
| BTBranton Tools Machine Shop | Bossier City | LA | — | ◇ UNVERIFIED |
| BSBraswell Services LLC | New Boston | TX | — | ◇ UNVERIFIED |
| BDBravo Design and Fabrication LLC | Ontario | CA | — | ◇ UNVERIFIED |
| BMBreaux Machine Works LP | Tomball | TX | — | ◇ UNVERIFIED |
| BMBrewer Machine and Parts LLC | Central City | KY | — | ◇ UNVERIFIED |
| BLBrian Lin | San Jose | CA | — | ◇ UNVERIFIED |
| BMBridge Machining INC | Columbia Heights | MN | — | ◇ UNVERIFIED |
| BEBrighton Electric Steel Casting CO | Beaver Falls | PA | — | ◇ UNVERIFIED |
| BBrinco | Bristol | IN | — | ◇ UNVERIFIED |
