| BHBen Hur Steel Worx | Saint Louis | MO | — | ◇ UNVERIFIED |
| BFBenicia Foundry & Iron Works | Benicia | CA | — | ◇ UNVERIFIED |
| BWBenitez Wrought Iron INC | Sylmar | CA | — | ◇ UNVERIFIED |
| BCBenjamin C Lavoie | Buzzards Bay | MA | — | ◇ UNVERIFIED |
| BFBenjamin Fabricators, LLC | Silver Spring | MD | — | ◇ UNVERIFIED |
| BIBennesons Inc. | Brooklyn | NY | — | ◇ UNVERIFIED |
| BGBennett Gallery, Inc. | Placerville | CA | — | ◇ UNVERIFIED |
| BMBennett Machine and Fabrication | Anamosa | IA | — | ◇ UNVERIFIED |
| BSBennett Steel Fabrication, INC. | Sapulpa | OK | — | ◇ UNVERIFIED |
| BTBennett Tool | Kansas City | KS | — | ◇ UNVERIFIED |
| BTBennett Tool & Die | Kansas City | KS | — | ◇ UNVERIFIED |
| BIBensalem Ii Enterprises | Bensalem | PA | — | ◇ UNVERIFIED |
| BSBenson Steel Fabricators | Saugerties | NY | — | ◇ UNVERIFIED |
| BBentech | Roanoke | VA | — | ◇ UNVERIFIED |
| BSBenway Surface Experts, LLC | Oviedo | FL | — | ◇ UNVERIFIED |
| BABeowulf Acquisitions LLC | Irving | TX | — | ◇ UNVERIFIED |
| BABeowulf Acquisitions LLC | Irving | TX | — | ◇ UNVERIFIED |
| BIB-equipment, INC. | Ellisville | MS | — | ◇ 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 |
| BIBermo INC | Circle Pines | MN | — | ◇ UNVERIFIED |
| BMBern Millwork | Athens | WI | — | ◇ UNVERIFIED |
| BHBerone Holdings LLC | Somers | CT | — | ◇ UNVERIFIED |
| BLBerry Leasing, LLC | Dayton | OH | — | ◇ UNVERIFIED |
| BHBertuccio Hay Service INC | Merced | CA | — | ◇ UNVERIFIED |
| BSBesco Steel Supply of Georgia, INC. | Winder | GA | — | ◇ UNVERIFIED |
| BIBesler Industries INC | Cambridge | NE | — | ◇ UNVERIFIED |
| B7Bespoke 7 Corp. | Lodi | NJ | — | ◇ UNVERIFIED |
| BTBessemer Trading Inc. | Seattle | WA | — | ◇ UNVERIFIED |
| BMBess Materials Testing and Inspection INC | Hayward | CA | — | ◇ UNVERIFIED |
| BDBest Deal Millworks | Baton Rouge | LA | — | ◇ UNVERIFIED |
| BFBest Fence Company | Mulberry | FL | — | ◇ UNVERIFIED |
| BIBest Iron Works | San Bernardino | CA | — | ◇ UNVERIFIED |
 Best Ironworks and Screens, INC. | Fort Bliss | TX | — | ◇ UNVERIFIED |
| BMBest Manufacturing Company, Moss Point | Moss Point | MS | — | ◇ UNVERIFIED |
| BMBest Manufacturing, LLC | Cameron Park | CA | — | ◇ UNVERIFIED |
| BCBestmetal Corporation | Woodstock | IL | — | ◇ UNVERIFIED |
| BQBest Quality Carbide Tooling LLC | El Cajon | CA | — | ◇ UNVERIFIED |
| BTBest Technologies, LLC | Kansas City | MO | — | ◇ UNVERIFIED |
| BLBestwoodscom Lc | Orem | UT | — | ◇ UNVERIFIED |
| BEBeta Engineering, INC | Sarcoxie | MO | — | ◇ UNVERIFIED |
| BFBeta Fence USA | Ennis | TX | — | ◇ UNVERIFIED |
| BFBethel Furniture Stock | Bethel | ME | — | ◇ UNVERIFIED |
| BMBethel Machine & Manufacturing, INC. | Bethel Park | PA | — | ◇ UNVERIFIED |
| BIBethesda Iron Works, INC. | Rockville | MD | — | ◇ UNVERIFIED |
| BGBethlehem Gear & Machine Company, INC. | Wheeling | WV | — | ◇ UNVERIFIED |
| BWBet-mac Wilson Steel, INC. | Creedmoor | NC | — | ◇ UNVERIFIED |
| BBBetter Burglar Bars INC. | Houston | TX | — | ◇ UNVERIFIED |
| BMBetty Machine CO INC | Hendersonville | TN | — | ◇ UNVERIFIED |
| BSBetz Sheet Metal, LLC | Baton Rouge | LA | — | ◇ UNVERIFIED |
| BCBevel Corporation | Sulphur | LA | — | ◇ UNVERIFIED |
| BTBevel Tech Group, INC. | Geismar | LA | — | ◇ UNVERIFIED |
| BSBeyond Steel Fabrication LLC | Redlands | CA | — | ◇ UNVERIFIED |
| BSBeyond Steel Fabrication, LLC Dba Mission Steel Fabrication | Mentone | CA | — | ◇ UNVERIFIED |
| BCBF Companies, LLC | Higginsville | MO | — | ◇ UNVERIFIED |
| BFB & F General Machine, INC | Slatington | PA | — | ◇ UNVERIFIED |
| BMBf Machining - Manufacturing INC Dba B-f Custom | Anoka | MN | — | ◇ UNVERIFIED |
| BEBfm Energy Products CORP | Santa Ana | CA | — | ◇ UNVERIFIED |
| BMB&f Model and Pattern, INC. | Milford | CT | — | ◇ UNVERIFIED |
| BIBgl Industries INC | Boring | OR | — | ◇ UNVERIFIED |
| BMB-g Machine, INC. | Bardstown | KY | — | ◇ UNVERIFIED |
 BGT Aerospace LLC | Bay City | MI | — | ◇ UNVERIFIED |
| BIBhp, INC. | Milwaukee | WI | — | ◇ UNVERIFIED |
| BLBhs, LLC | Minneapolis | MN | — | ◇ UNVERIFIED |
| BOBianchi Orchard Systems, INC. | Gridley | CA | — | ◇ UNVERIFIED |
| BBBica Beauty INC. | New York | NY | — | ◇ 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 |
| BCBig Creek Specialty Plastics LLC | Shepherd | TX | — | ◇ UNVERIFIED |
| BIB I G Enter. INC | South El Monte | CA | — | ◇ UNVERIFIED |
 Bigfoot Mobile Systems | Winters | CA | — | ◇ UNVERIFIED |
| BTBiggs Tool & Die, INC | Warminster | PA | — | ◇ UNVERIFIED |
| BIBig Industries LLC | Plano | TX | — | ◇ UNVERIFIED |
| BIBig Industries LLC | Plano | TX | — | ◇ UNVERIFIED |
| BLBig League Lawns, LLC | Lansing | MI | — | ◇ UNVERIFIED |
| BOBig Orange Gate CO LLC | Albany | KY | — | ◇ UNVERIFIED |
| BOBig O's Silkscreen Shop LLC | Gardena | CA | — | ◇ UNVERIFIED |
| BTBig T Hydraulic, INC. | Ceres | CA | — | ◇ UNVERIFIED |
| BWBig W Sales | Salinas | CA | — | ◇ UNVERIFIED |
| BWBig W Sales | Stockton | CA | — | ◇ UNVERIFIED |
| BMBillet Machine and Fabrication, INC. | Toano | VA | — | ◇ UNVERIFIED |
| BWBillington Welding & Mfg. | Modesto | CA | — | ◇ UNVERIFIED |
| BEBillions Enterprises, LLC | Fort Wayne | IN | — | ◇ 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 |
| BMBiltmore Metal Fabricators INC. | Long Beach | CA | — | ◇ UNVERIFIED |
| BSBiltmore Shutters INC | Phoenix | AZ | — | ◇ UNVERIFIED |
| BIBINGHAM INDUSTRIES Inc. | Terrell | TX | — | ◇ 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 |
