| BMBoeing Military Flight Center | Tukwila | WA | Transportation Equipment Manufacturing336411 | — | ◇ UNVERIFIED |
| BNBoeing North American Rocketdyne | Canoga Park | CA | Transportation Equipment Manufacturing336411 | — | ◇ UNVERIFIED |
| BSBoeing South Park | Seattle | WA | Transportation Equipment Manufacturing336411 | — | ◇ UNVERIFIED |
| BMBoise Mobile Equipment | Boise | ID | Transportation Equipment Manufacturing336211 | — | ◇ UNVERIFIED |
| BCBollinger Calcasieu LLC | Sulphur | LA | Transportation Equipment Manufacturing336611 | — | ◇ UNVERIFIED |
 Bollinger Fourchon LLC - Bollinger Fourchon North | Port Fourchon | LA | Transportation Equipment Manufacturing336611 | — | ◇ UNVERIFIED |
| BLBollinger Larose LLC | Larose | LA | Transportation Equipment Manufacturing336611 | — | ◇ UNVERIFIED |
| BMBollinger Morgan City LLC | Amelia | LA | Transportation Equipment Manufacturing336611 | — | ◇ UNVERIFIED |
| BSBollinger Shipyard | Harvey | LA | Transportation Equipment Manufacturing336611 | — | ◇ UNVERIFIED |
| BSBollinger Shipyards Lockport LLC - Bollinger Algiers LLC | New Orleans | LA | Transportation Equipment Manufacturing336611 | — | ◇ UNVERIFIED |
| BTBollinger Texas City | Texas City | TX | Transportation Equipment Manufacturing336611 | — | ◇ UNVERIFIED |
| BBombardier | Grant | FL | Transportation Equipment Manufacturing336612 | — | ◇ UNVERIFIED |
| BRBombardier Recreational Products | Benton | IL | Transportation Equipment Manufacturing336612 | — | ◇ UNVERIFIED |
| BIBonnell Ind INC | Dixon | IL | Transportation Equipment Manufacturing336120 | — | ◇ UNVERIFIED |
| BMBordrin Motor Company | Oak Park | MI | Transportation Equipment Manufacturing336360 | — | ◇ UNVERIFIED |
| BDBorgwarner Dtp INC | Muncie | IN | Transportation Equipment Manufacturing336350 | — | ◇ UNVERIFIED |
| BTBorgwarner Transmission Systems | Frankfort | IL | Transportation Equipment Manufacturing336350 | — | ◇ UNVERIFIED |
| BBBosch Braking Systems | Sumter | SC | Transportation Equipment Manufacturing336211 | — | ◇ UNVERIFIED |
| BPBossier Parish Resource Center | Bossier City | LA | Transportation Equipment Manufacturing336211 | — | ◇ UNVERIFIED |
| BMBoston Marine Services | Boston | MA | Transportation Equipment Manufacturing336611 | — | ◇ UNVERIFIED |
| BWBoston Whaler Incorporated | Rockland | MA | Transportation Equipment Manufacturing336612 | — | ◇ UNVERIFIED |
| BPBoulton Powerboats INC | Central Point | OR | Transportation Equipment Manufacturing336612 | — | ◇ UNVERIFIED |
| BEBoyesen Engineering | Lenhartsville | PA | Transportation Equipment Manufacturing336991 | — | ◇ UNVERIFIED |
| BBBoynton Beach Regional Turbine Center | Boynton Beach | FL | Transportation Equipment Manufacturing336412 | — | ◇ UNVERIFIED |
| BLBpi-westminster, Llc(owner)/arcadis (op) | Denver | CO | Transportation Equipment Manufacturing336411 | — | ◇ UNVERIFIED |
| BPBrake Parts INC | Stanford | KY | Transportation Equipment Manufacturing336211 | — | ◇ UNVERIFIED |
| BPBrake Parts INC | Winchester | KY | Transportation Equipment Manufacturing336211 | — | ◇ UNVERIFIED |
| BPBrake Parts INC | Litchfield | IL | Transportation Equipment Manufacturing336340 | — | ◇ UNVERIFIED |
| BPBrake Parts INC. (a Dana Company) | Fredericksburg | VA | Transportation Equipment Manufacturing336340 | — | ◇ UNVERIFIED |
| BTBraking Technologies Inc-braking Technologies INC | O'fallon | MO | Transportation Equipment Manufacturing336211 | — | ◇ UNVERIFIED |
| BTBrak Tools LLC (importer) | Coamo | PR | Transportation Equipment Manufacturing336312 | — | ◇ UNVERIFIED |
| BFBrand Fx LLC | Swea City | IA | Transportation Equipment Manufacturing336211 | — | ◇ UNVERIFIED |
| BTBreed Technologies INC | Lakeland | FL | Transportation Equipment Manufacturing336211 | — | ◇ UNVERIFIED |
| BMBrek Manufacturing | Gardena | CA | Transportation Equipment Manufacturing336413 | — | ◇ UNVERIFIED |
| BABremerton Auto Wrecking Landfill | Bremerton | WA | Transportation Equipment Manufacturing336211 | — | ◇ UNVERIFIED |
| BMBri Mar Mfg Llc/s Main St Plt | Chambersburg | PA | Transportation Equipment Manufacturing336212 | — | ◇ UNVERIFIED |
| BRBrinkley Rv LLC | Goshen | IN | Transportation Equipment Manufacturing336214 | — | ◇ UNVERIFIED |
| BMBrittain Machine INC | Wichita | KS | Machinery Manufacturing333319 | — | ◇ UNVERIFIED |
| BCBroad Cove Marine Services | Bremen | ME | Transportation Equipment Manufacturing336612 | — | ◇ UNVERIFIED |
| BABrookley Aeroplex | Mobile | AL | Transportation Equipment Manufacturing336411 | — | ◇ UNVERIFIED |
| BSBroward Shipyard INC | Dania Beach | FL | Transportation Equipment Manufacturing336611 | — | ◇ UNVERIFIED |
| BUBrp US INC. | Stuart | FL | Transportation Equipment Manufacturing336612 | — | ◇ UNVERIFIED |
| BUBrp Us, INC Facility Improvements | Palm Bay | FL | Transportation Equipment Manufacturing336111 | — | ◇ UNVERIFIED |
| BTBruckner's Truck & Equipment - Fort Smith | Fort Smith | AR | Transportation Equipment Manufacturing336312 | — | ◇ UNVERIFIED |
| BTBruckner's Truck & Equipment - Lowell | Lowell | AR | Transportation Equipment Manufacturing336312 | — | ◇ UNVERIFIED |
| BTBruckner's Truck & Equipment - Pottsville | Pottsville | AR | Transportation Equipment Manufacturing336312 | — | ◇ UNVERIFIED |
| BBBrunswick Bicycles | Olney | IL | Transportation Equipment Manufacturing336991 | — | ◇ UNVERIFIED |
| BTBrusco Tug and Barge | Cathlamet | WA | Transportation Equipment Manufacturing336611 | — | ◇ UNVERIFIED |
| BTBuckner Trailers, LLC | Springville | AL | Transportation Equipment Manufacturing336212 | — | ◇ UNVERIFIED |
| BFBuilders Firstsource | Bend | OR | Transportation Equipment Manufacturing336213 | — | ◇ UNVERIFIED |
