| BWBig W Sales | Stockton | CA | — | ◇ UNVERIFIED |
| BABill and Myrna Cook Non Skip Trust | Sacramento | 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 |
| BBBinghamton Burial Vault Co., INC. | Binghamton | NY | — | ◇ UNVERIFIED |
 Binghamton Precast & Supply CORP. | Binghamton | NY | — | ◇ UNVERIFIED |
| BPBiofab Products, INC. | Butler | PA | — | ◇ UNVERIFIED |
| BMBiopower Manufacturing LLC | Foley | AL | — | ◇ UNVERIFIED |
| BSBishop Steel Co, INC. | East Point | GA | — | ◇ UNVERIFIED |
| BCBkb Construction LP | Los Angeles | CA | — | ◇ UNVERIFIED |
| BDBlack Dog Consulting INC Dba Ch Yarber Constructio | Cheyenne | WY | — | ◇ UNVERIFIED |
| BGBlack Gunite, INC. | Saint Joseph | MO | — | ◇ UNVERIFIED |
| BEBlackhawk Enterprises Company | San Marcos | TX | — | ◇ UNVERIFIED |
| BWBlackwell's Welding, INC. | Jessup | MD | — | ◇ UNVERIFIED |
| BWBlairsville Wilbert Vault Company | Mount Pleasant | PA | — | ◇ UNVERIFIED |
| BPBlakeslee Prestress, INC. | East Boston | MA | — | ◇ UNVERIFIED |
| BSBlazing Structure Steel INC | Riverside | CA | — | ◇ UNVERIFIED |
| BCBledsoe Concrete Foundation Specialist, INC. | Wilmington | NC | — | ◇ UNVERIFIED |
| BLB Line Systems Incorporated | Norcross | GA | — | ◇ UNVERIFIED |
| BBBlissful Baskets, LLC. | Marietta | GA | — | ◇ UNVERIFIED |
| BLB & L Steel Fabrications, INC. | Prairieville | LA | — | ◇ UNVERIFIED |
| BTBlt Tanks, L.l.c. | Corinth | MS | — | ◇ UNVERIFIED |
| BLBlue Level Construction Consulting LLC | North Las Vegas | NV | — | ◇ UNVERIFIED |
| BMBlueline Manufacturing INC | Moxee | WA | — | ◇ UNVERIFIED |
| BRBlue Ridge Fabricators, INC. | Roanoke | VA | — | ◇ UNVERIFIED |
| BWBluewater Welding and Fabrication, LLC. | Dennisville | NJ | — | ◇ UNVERIFIED |
| BEBlum Enterprises, INC. | Baton Rouge | LA | — | ◇ UNVERIFIED |
| BFBMC Fabrication & Erection, Inc | Spanish Fork | UT | — | ◇ UNVERIFIED |
| BMBmg Metals INC | Richmond | VA | — | ◇ UNVERIFIED |
| BMB&m Metal Doors & Frames, INC. | Kenner | LA | — | ◇ UNVERIFIED |
| BEBobby Emery Welding | Clayton | NM | — | ◇ UNVERIFIED |
| BMBob Murphy, INC. | Vestal | NY | — | ◇ UNVERIFIED |
| BSBob Sandlin CO. | Dallas | TX | — | ◇ UNVERIFIED |
| BEBo Edwards | Savannah | TN | — | ◇ UNVERIFIED |
| BEBoggs Equipment & Engineering | Colusa | CA | — | ◇ UNVERIFIED |
| BWBohnert Welding | Jewell | KS | — | ◇ UNVERIFIED |
| BMBoise Metal Works, Inc. | Boise | ID | — | ◇ UNVERIFIED |
| BSBolling Steel Co., INC. | Salem | VA | — | ◇ UNVERIFIED |
| BMBonded Materials Company Dba Bomat, LTD | Kailua Kona | HI | — | ◇ UNVERIFIED |
| BMBonded Materials Company Manufacturing Center | Kapolei | HI | — | ◇ UNVERIFIED |
| BRBoral Roofing LLC | Gilroy | CA | — | ◇ UNVERIFIED |
| BRBoral Roofing, LLC | Rialto | CA | — | ◇ UNVERIFIED |
| BRBoral Roofing, LLC. | Pompano Beach | FL | — | ◇ UNVERIFIED |
| BCBorinquen Container, CORP. | Hatillo | PR | — | ◇ UNVERIFIED |
| BSBorrmann Steel CO. | East Palo Alto | CA | — | ◇ UNVERIFIED |
| BRBoston Renaissance Charter School | Boston (hyde Park) | MA | — | ◇ UNVERIFIED |
| BBBostrom Bergen Metal Products | Oakland | CA | — | ◇ UNVERIFIED |
| BIBourgault Industries LTD | Minot | ND | — | ◇ 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 |
| BNBradFord Now LLC | Benson | AZ | — | ◇ UNVERIFIED |
| BLBrenda L. Mathews | Newark | CA | — | ◇ UNVERIFIED |
| BABrentwood Ace Hardware | Brentwood | CA | — | ◇ UNVERIFIED |
| BSBretthauer-ramirez Staffing, INC. | Pearland | TX | — | ◇ UNVERIFIED |
| BMBrewBilt Manufacturing LLC | Grass Valley | CA | — | ◇ UNVERIFIED |
| BMBrewBilt Manufacturing LLC | Grass Valley | CA | — | ◇ UNVERIFIED |
| BWBrian W Vicklund | White City | OR | — | ◇ UNVERIFIED |
| BEBridges Equipment Services & Custom Fabrication INC | Eufaula | AL | — | ◇ UNVERIFIED |
| BBrilar | Novi | MI | — | ◇ UNVERIFIED |
| BCBristol County Pre-cast, INC. | Westport | MA | — | ◇ UNVERIFIED |
| BMBristol Metals, INC. | Bloomfield | NY | — | ◇ UNVERIFIED |
| BIBRM Imports LLC | East Rockaway | NY | — | ◇ UNVERIFIED |
| BTBroadwind Towers | Manitowoc | WI | — | ◇ UNVERIFIED |
| BSBroemeling Steel and Machine | Lewiston | ID | — | ◇ UNVERIFIED |
| BBBroken Bridge, LLC | Salem | OR | — | ◇ UNVERIFIED |
| BABrooks Automation Inc., Brooks Life Sciences | El Segundo | CA | — | ◇ UNVERIFIED |
 Brooks Industrial Marketplace | Fontana | CA | — | ◇ UNVERIFIED |
| BWBrooks Welding, INC. | Valdosta | GA | — | ◇ UNVERIFIED |
| BGBrown Gates CO LLC | Liberty | KY | — | ◇ UNVERIFIED |
| BHBrown Hawk LLC Dba Northern Lights Steel Fab | North Branch | MN | — | ◇ UNVERIFIED |
| BMBrown Machine LLC | Beaverton | MI | — | ◇ UNVERIFIED |
| BCBrown's Certified Welding INC | Bristol | VT | — | ◇ UNVERIFIED |
| BGBrown's Greens | Brooksville | ME | — | ◇ UNVERIFIED |
| BIBrown-wilbert INC | Mankato | MN | — | ◇ UNVERIFIED |
| BIBrown-wilbert INC | Saint Paul | MN | — | ◇ UNVERIFIED |
| BIBrown-wilbert INC | Esko | MN | — | ◇ UNVERIFIED |
| BVBrown-wilbert Vault CO. | Milwaukee | WI | — | ◇ UNVERIFIED |
| BVBrown-wilbert Vault CO - Austin | Austin | MN | — | ◇ UNVERIFIED |
| BVBrown-wilbert Vault CO. - La Crosse | La Crosse | WI | — | ◇ UNVERIFIED |
| BVBrown-wilbert Vault CO - Lakeville | Lakeville | MN | — | ◇ UNVERIFIED |
| BVBrown-wilbert Vault CO - Mankato | Mankato | MN | — | ◇ UNVERIFIED |
| BFBryant Fuel & Power Systems INC | Bakersfield | CA | — | ◇ UNVERIFIED |
| BIBrzozka Industries INC. | Holbrook | NY | — | ◇ UNVERIFIED |
| BCBsm Coram North America INC | Burnsville | MN | — | ◇ UNVERIFIED |
| BMB&S Millwright LLC | Mendon | OH | — | ◇ UNVERIFIED |
| BKBuck Kreihs Marine Repair LLC | New Orleans | LA | — | ◇ UNVERIFIED |
| BSBuck Simmons Vault Service, INC | Roanoke | VA | — | ◇ UNVERIFIED |
| BSBuffalo Structural Steel, INC. | Titusville | PA | — | ◇ UNVERIFIED |
| BIBuhler Industries | Willmar | MN | — | ◇ UNVERIFIED |
| BMBuhler Manufacturing | Fargo | ND | — | ◇ UNVERIFIED |
| BVBuhler Versatile USA INC | Willmar | MN | — | ◇ UNVERIFIED |
| BCBuilders Concrete INC. | Merced | CA | — | ◇ UNVERIFIED |
| BFBuilders Firstsource - Southeast Group, LLC | Shelby | AL | — | ◇ UNVERIFIED |
| BMBuilders Metal Supply | Louisville | KY | — | ◇ UNVERIFIED |
| BSBuilders Steel Company | Kansas City | MO | — | ◇ UNVERIFIED |
