| BIBob's Iron, INC. | Oakland | CA | — | ◇ UNVERIFIED |
| BIBob's Iron, INC. | Oakland | CA | — | ◇ UNVERIFIED |
| BIBob's Iron, INC. | Oakland | CA | — | ◇ UNVERIFIED |
| BMBodecor Metal Finishing INC | Eagan | MN | — | ◇ UNVERIFIED |
| BWBohnert Welding | Jewell | KS | — | ◇ UNVERIFIED |
| BMBoise Metal Works, Inc. | Boise | ID | — | ◇ UNVERIFIED |
| BSBolling Steel Co., INC. | Salem | VA | — | ◇ UNVERIFIED |
| BIBolted Iron INC | Brooklyn | NY | — | ◇ UNVERIFIED |
| BSBonner Sheet Metal CORP. | Auburn | MA | — | ◇ UNVERIFIED |
| BFBootheel Fence Company, INC. | Jackson | MO | — | ◇ UNVERIFIED |
| BSBorrmann Steel CO. | East Palo Alto | CA | — | ◇ UNVERIFIED |
| BIBoss Industries LLC | Oswego | KS | — | ◇ UNVERIFIED |
| BRBoston Renaissance Charter School | Boston (hyde Park) | MA | — | ◇ UNVERIFIED |
| BBBostrom Bergen Metal Products | Oakland | CA | — | ◇ UNVERIFIED |
| BFBoundary Fence & Railing Systems, INC. | Rochester | NY | — | ◇ UNVERIFIED |
| BFBoundary Fence & Railing Systems, INC. | Marlborough | MA | — | ◇ UNVERIFIED |
| BIBovic Industries INC | Lebanon | OR | — | ◇ UNVERIFIED |
| BFBowen Fabrication & Welding, LLC | Centerville | UT | — | ◇ UNVERIFIED |
| BOBoys of Nevada | Las Vegas | NV | — | ◇ UNVERIFIED |
| BPB & P Fabricating Company | College Park | GA | — | ◇ UNVERIFIED |
| BIBps Incorporated | Minneapolis | MN | — | ◇ UNVERIFIED |
| BMBradfield Manufacturing INC | Santa Ana | CA | — | ◇ UNVERIFIED |
| BMBradfield Mfg CO | Santa Ana | CA | — | ◇ UNVERIFIED |
| BNBradFord Now LLC | Benson | AZ | — | ◇ UNVERIFIED |
| BUBrass Unique Metal Products INC | South El Monte | CA | — | ◇ UNVERIFIED |
| BLBrenda L. Mathews | Newark | CA | — | ◇ UNVERIFIED |
| BWBrian W Vicklund | White City | OR | — | ◇ UNVERIFIED |
| BEBridges Equipment Services & Custom Fabrication INC | Eufaula | AL | — | ◇ UNVERIFIED |
| BMBristol Metals, INC. | Bloomfield | NY | — | ◇ UNVERIFIED |
| BEBroadwind Energy INC. | Manitowoc | WI | — | ◇ UNVERIFIED |
| BTBroadwind Towers | Manitowoc | WI | — | ◇ UNVERIFIED |
| BBBrock & Blevins CO INC | Chattanooga | TN | — | ◇ UNVERIFIED |
| BSBroemeling Steel and Machine | Lewiston | ID | — | ◇ UNVERIFIED |
| BBBroken Bridge, LLC | Salem | OR | — | ◇ UNVERIFIED |
 Brooks Industrial Marketplace | Fontana | CA | — | ◇ UNVERIFIED |
| BWBrooks Welding, INC. | Valdosta | GA | — | ◇ UNVERIFIED |
| BOBrothers Ornamental Iron | Fresno | CA | — | ◇ UNVERIFIED |
| BCBrown Campbell Company | Milwaukee | WI | — | ◇ UNVERIFIED |
| BCBrown-campbell Company | Maple Heights | OH | — | ◇ UNVERIFIED |
| BGBrown Gates CO LLC | Liberty | KY | — | ◇ UNVERIFIED |
| BHBrown Hawk LLC Dba Northern Lights Steel Fab | North Branch | MN | — | ◇ UNVERIFIED |
| BCBrown's Certified Welding INC | Bristol | VT | — | ◇ UNVERIFIED |
| BGBrown's Greens | Brooksville | ME | — | ◇ UNVERIFIED |
| BOBrownsville Ornamental Iron Works, INC. | Pensacola | FL | — | ◇ UNVERIFIED |
| BMBrw Metal Industries, LLC | Houston | TX | — | ◇ UNVERIFIED |
| BFBryant Fuel & Power Systems INC | Bakersfield | CA | — | ◇ UNVERIFIED |
| BIBrzozka Industries INC. | Holbrook | NY | — | ◇ UNVERIFIED |
| BFBta Fabrication LLC | Mesa | AZ | — | ◇ UNVERIFIED |
| BKBuck Kreihs Marine Repair LLC | New Orleans | LA | — | ◇ UNVERIFIED |
| BGBuffalo Grating LLC | Tulsa | OK | — | ◇ UNVERIFIED |
