| OSOceaneering-Marine Services Division | Chesapeake | VA | 100–499 | ◐ LIKELY ACTIVE |
| PPPrecision Paint Systems, LLC | South Point | OH | 20–99 | ◐ LIKELY ACTIVE |
| RMReedsport Machine & Fabrication, LLC | Reedsport | OR | — | ◐ LIKELY ACTIVE |
| RMRiverview Marine Repair LLC | Morgan City | LA | — | ◐ LIKELY ACTIVE |
| RMRmk Merrill Stevens | Miami | FL | 20–99 | ◐ LIKELY ACTIVE |
| SHSafe Harbor Rybovich West Palm | West Palm Beach | FL | 100–499 | ◐ LIKELY ACTIVE |
| SFSolidus Fabrication and Design LLC | Carnation | WA | — | ◐ LIKELY ACTIVE |
| SOSouthern Oregon Marine, INC | Coos Bay | OR | 20–99 | ◐ LIKELY ACTIVE |
| SJSt Johns Ship Building INC | Palatka | FL | — | ◐ LIKELY ACTIVE |
| TSTampa Ship LLC | Tampa | FL | — | ◐ LIKELY ACTIVE |
| TMThoma-sea Marine Constructors LLC | Lockport | LA | — | ◐ LIKELY ACTIVE |
| TJThomas J Feeney Enterprises INC | Kingston | NY | 20–99 | ◐ LIKELY ACTIVE |
| TJT.m. Jemison Construction Company, Inc., a Close CORP. | Bayou La Batre | AL | — | ◐ LIKELY ACTIVE |
| TMTotal Marine Services of Jefferson INC | Harvey | LA | — | ◐ LIKELY ACTIVE |
| UJUS Joiner LLC | Crozet | VA | — | ◐ LIKELY ACTIVE |
| VPVls Plaquemine Point, LLC | Sunshine | LA | 20–99 | ◐ LIKELY ACTIVE |
| PCPropulsion Controls Engineering | Aiea | HI | — | ◐ LIKELY ACTIVE |
| PCPropulsion Controls Engineering, LLC | Everett | WA | — | ◐ LIKELY ACTIVE |
| SMSuperior Marine Services LLC | Wrangell | AK | — | ◐ LIKELY ACTIVE |
| BSBae Systems San Diego Ship Repair | San Diego | CA | — | ◇ UNVERIFIED |
| BIBath Iron Works Corporation - Harding Facility | Brunswick | ME | — | ◇ UNVERIFIED |
| BIBath Iron Works Ebmf | Brunswick | ME | — | ◇ UNVERIFIED |
| BDBourg Dry Dock & Service CO | Bourg | LA | — | ◇ UNVERIFIED |
| CSCarolina Skiff, LLC | Waycross | GA | — | ◇ UNVERIFIED |
| CBChaparral Boats INC | Nashville | GA | — | ◇ UNVERIFIED |
| CAConrad Aluminum, LLC | Morgan City | LA | — | ◇ UNVERIFIED |
| DSDetyens Shipyard INC. Charleston | North Charleston | SC | — | ◇ UNVERIFIED |
| FSFmt Shipyard and Repair LLC | Harvey | LA | — | ◇ UNVERIFIED |
| ISIngalls Shipbuilding, Pascagoula Operations | Pascagoula | MS | — | ◇ UNVERIFIED |
| KAKeppel Amfels | Brownsville | TX | — | ◇ UNVERIFIED |
| KWKey West Boats Expansion | Ridgeville | SC | — | ◇ UNVERIFIED |
| KOKiewit Offshore Services LTD | Ingleside | TX | — | ◇ UNVERIFIED |
| MIMarine Industrial Fabrication | New Iberia | LA | — | ◇ UNVERIFIED |
| NSNatl Steel & Shipbuilding a General Dynamics CO | San Diego | CA | — | ◇ UNVERIFIED |
| NBNautique Boat Company, INC. | Orlando | FL | — | ◇ UNVERIFIED |
| PIPelican Island Yard | Galveston | TX | — | ◇ UNVERIFIED |
| PSPhilly Shipyard INC / Phila | Philadelphia | PA | — | ◇ UNVERIFIED |
| POPort of Anacortes Dakota Creek | Anacortes | WA | — | ◇ UNVERIFIED |
| PNPortsmouth Naval Shipyard | Kittery | ME | — | ◇ UNVERIFIED |
| SYSabre Yachts | Raymond | ME | — | ◇ UNVERIFIED |
| SSenesco | North Kingstown | RI | — | ◇ UNVERIFIED |
| SYSouthport Yachts, LLC | Gardiner | ME | — | ◇ UNVERIFIED |
Southwest Shipyard - Brady Island/brady West | Houston | TX | — | ◇ UNVERIFIED |
| TBTexas Barge & Boat | Freeport | TX | — | ◇ UNVERIFIED |
| TMTracker Marine Bolivar Plant 2 | Bolivar | MO | — | ◇ UNVERIFIED |
| TMTrinity Marine Products INC. Plt 75 | Caruthersville | MO | — | ◇ UNVERIFIED |
| UCUS Coast Guard Integrated Support Command | Alameda | CA | — | ◇ UNVERIFIED |
| USU S Marine Corps Mcb Camp Pendleton | Camp Pendleton | CA | — | ◇ UNVERIFIED |
| UNUS Naval Base San Diego | San Diego | CA | — | ◇ UNVERIFIED |
| UNU.s. Naval Submarine Base New London (subasenlon) | Groton | CT | — | ◇ UNVERIFIED |