| TTT T Coatings LLC | Westwego | LA | Transportation Equipment Manufacturing336611 | — | ◇ UNVERIFIED |
| UDUnion Dry Dock & Repair CO | Hoboken | NJ | Transportation Equipment Manufacturing336611 | — | ◇ UNVERIFIED |
| UMUniversal Marine Center INC | Fort Lauderdale | FL | Transportation Equipment Manufacturing336611 | — | ◇ UNVERIFIED |
| UAUS Army Coe - Portland Moorings | Portland | OR | Transportation Equipment Manufacturing336611 | — | ◇ UNVERIFIED |
| UAU.s. Army Corps of Engineers - Ensley Engineer Yard | Memphis | TN | Transportation Equipment Manufacturing336611 | — | ◇ UNVERIFIED |
| UCU.s. Coast Guard Base Galveston | Galveston | TX | Transportation Equipment Manufacturing336611 | — | ◇ UNVERIFIED |
| UCU.s. Coast Guard South Portland Base | South Portland | ME | Transportation Equipment Manufacturing336611 | — | ◇ UNVERIFIED |
| UTUsdol Tongue Point Job Corps Center | Astoria | OR | Transportation Equipment Manufacturing336611 | — | ◇ UNVERIFIED |
| UIUs, Incorporated | Chickasaw | AL | Transportation Equipment Manufacturing336611 | — | ◇ UNVERIFIED |
| UNUS Navy Mid-atlantic Regional Maintenance Center (marmc) at Fairlead Boat Works | Newport News | VA | Transportation Equipment Manufacturing336611 | — | ◇ UNVERIFIED |
| UNUS Navy Mid-atlantic Regional Maintenance Center (marmc) at Lyon Shipyard | Norfolk | VA | Transportation Equipment Manufacturing336611 | — | ◇ UNVERIFIED |
| VCVessel Cleaning | Port Arthur | TX | Transportation Equipment Manufacturing336611 | — | ◇ UNVERIFIED |
| VHVt Halter Marine, Hmp Operations | Moss Point | MS | Transportation Equipment Manufacturing336611 | — | ◇ UNVERIFIED |
| VHVt Halter Marine, Mpm Operations | Escatawpa | MS | Transportation Equipment Manufacturing336611 | — | ◇ UNVERIFIED |
| W2Walker 26a #1 Production Facility | Lunita | LA | Transportation Equipment Manufacturing336611 | — | ◇ UNVERIFIED |
| WMWayfarer Marine | Camden | ME | Transportation Equipment Manufacturing336611 | — | ◇ UNVERIFIED |
| WDW & D Ship Deck Works | Atlantic Beach | FL | Transportation Equipment Manufacturing336611 | — | ◇ UNVERIFIED |
| WMWeeks Marine INC - Houma Support Facility | Houma | LA | Transportation Equipment Manufacturing336611 | — | ◇ UNVERIFIED |
| WCWest Coast Marine Cleaning | Vancouver | WA | Transportation Equipment Manufacturing336611 | — | ◇ UNVERIFIED |
| WYWilbur Yachts | Southwest Harbor | ME | Transportation Equipment Manufacturing336611 | — | ◇ UNVERIFIED |
| XBXynides Boatyard INC | Saint Augustine | FL | Transportation Equipment Manufacturing336611 | — | ◇ UNVERIFIED |
| YMYachtfish Marine | Port Orchard | WA | Transportation Equipment Manufacturing336611 | — | ◇ UNVERIFIED |
| YMYankee Marina INC | Yarmouth | ME | Transportation Equipment Manufacturing336611 | — | ◇ UNVERIFIED |
| 11 | Mobile | AL | Transportation Equipment Manufacturing336611 | 100-499 | ◐ LIKELY ACTIVE |
| 1M100 Mechanic St | Pawcatuck | CT | Transportation Equipment Manufacturing336611 | 20-99 | ◐ LIKELY ACTIVE |
| 1T104956 - TIC - NAVFAC Portsmouth Dry Dock P-381 | Kittery | ME | Transportation Equipment Manufacturing336611 | 100-499 | ◐ LIKELY ACTIVE |
| 1B108026 - Bourg Yard | Bourg | LA | Transportation Equipment Manufacturing336611 | 1-19 | ◐ LIKELY ACTIVE |
| 1G108030 - Greenville Yard | Jersey City | NJ | Transportation Equipment Manufacturing336611 | 20-99 | ◐ LIKELY ACTIVE |
| 1C1545 Crossways Blvd | Chesapeake | VA | Transportation Equipment Manufacturing336611 | 100-499 | ◐ LIKELY ACTIVE |
| 3M3mc Mobile & Mechanical Repair LLC | Hilliard | FL | Transportation Equipment Manufacturing336611 | — | ◐ LIKELY ACTIVE |
| 8L807 Live Oak Dr | Chesapeake | VA | Transportation Equipment Manufacturing336611 | 20-99 | ◐ LIKELY ACTIVE |
| AIAcme Industrial INC | Staten Island | NY | Transportation Equipment Manufacturing336611 | — | ◐ LIKELY ACTIVE |
| AEA & E Ship Repair & Welding LLC | Rochester | NH | Transportation Equipment Manufacturing336611 | — | ◐ LIKELY ACTIVE |
| AIAgt, INC | Chesapeake | VA | Transportation Equipment Manufacturing336611 | — | ◐ LIKELY ACTIVE |
| ALAknuna LLC | Wasilla | AK | Transportation Equipment Manufacturing336611 | — | ◐ LIKELY ACTIVE |
| AEAllcoast Engineering L.l.c. | Jacksonville | FL | Transportation Equipment Manufacturing336611 | — | ◐ LIKELY ACTIVE |
| AMAllied Marine & Industrial Services LLC | Waianae | HI | Transportation Equipment Manufacturing336611 | — | ◐ LIKELY ACTIVE |
| AMAlternative Marine Services LLC | Duluth | MN | Transportation Equipment Manufacturing336611 | — | ◐ LIKELY ACTIVE |
| AMAmerican Marine Engineering Services, LLC | Saint Petersburg | FL | Transportation Equipment Manufacturing336611 | — | ◐ LIKELY ACTIVE |
American Scaffold EC | Chesapeake | VA | Transportation Equipment Manufacturing336611 | 20-99 | ◐ LIKELY ACTIVE |
American Scaffold NW | Bremerton | WA | Transportation Equipment Manufacturing336611 | 100-499 | ◐ LIKELY ACTIVE |
American Scaffold SD | Sa Diego | CA | Transportation Equipment Manufacturing336611 | 100-499 | ◐ LIKELY ACTIVE |
American Scaffold SE | Jacksonville | FL | Transportation Equipment Manufacturing336611 | 20-99 | ◐ LIKELY ACTIVE |
| AAmicitia | San Diego | CA | Transportation Equipment Manufacturing336611 | — | ◐ LIKELY ACTIVE |
| ASAms Specialty Services & Repair LLC | Chesapeake | VA | Transportation Equipment Manufacturing336611 | — | ◐ LIKELY ACTIVE |
| AIAnauak INC | National City | CA | Transportation Equipment Manufacturing336611 | — | ▲ REPORTED CLOSED |
| AUAron USA Holdings, LLC | Gainesville | GA | Transportation Equipment Manufacturing336611 | — | ◐ LIKELY ACTIVE |
| ABAtlantic Beach Tech Office | Atlantic Beach | FL | Transportation Equipment Manufacturing336611 | 1-19 | ◐ LIKELY ACTIVE |
| ASAtlantic Service and Equipment CORP | Arverne | NY | Transportation Equipment Manufacturing336611 | — | ▲ REPORTED CLOSED |
| ATAt the Ready, LLC | Seattle | WA | Transportation Equipment Manufacturing336611 | — | ◐ LIKELY ACTIVE |