| CCCorrosion Control Specialists, INC | Mobile | AL | — | ◇ UNVERIFIED |
| CCCorrosion Control Specialists, INC. | Mobile | AL | — | ◇ UNVERIFIED |
| CLC-port LLC Drydock | Golden Meadow | LA | — | ◇ UNVERIFIED |
| CICrofton Industries, INC. | Portsmouth | VA | — | ◇ UNVERIFIED |
| CBCrokcer's Boat Yard INC | Manchestermanchester | MA | — | ◇ UNVERIFIED |
| CLCrosby Lr 19 #1 Facility - Sugartown Field | Sugartown | LA | — | ◇ UNVERIFIED |
| CMCrosstie Marine LLC | Long Island City | NY | — | ◇ UNVERIFIED |
| CCCrounse Corporation | Maysville | KY | — | ◇ UNVERIFIED |
| CPCrown Point Holding, LLC | Marrero | LA | — | ◇ UNVERIFIED |
| CSC & S Services, INC | Ewa Beach | HI | — | ◇ UNVERIFIED |
| CCCtr Corporation, INC. | Portsmouth | VA | — | ◇ UNVERIFIED |
| CWCurtiss- Wright Fleet Solutions | Bremerton | WA | — | ◇ UNVERIFIED |
| DCDamrich Coatings, INC. | Mobile | AL | — | ◇ UNVERIFIED |
| DBDavis Boats | Paso Robles | CA | — | ◇ UNVERIFIED |
| DMDaytona Marina & Boat Works | Daytona Beach | FL | — | ◇ UNVERIFIED |
| DSDba Schooner Creek Boat Works | Portland | OR | — | ◇ UNVERIFIED |
 Del Gavio of California, INC | Pacheco | CA | — | ◇ UNVERIFIED |
| Del Gavio of California, INC. | San Francisco | CA | — | ◇ UNVERIFIED |
| Del Gavio of California, INC. | San Francisco | CA | — | ◇ UNVERIFIED |
| DEDelphinus Engineering at General Dynamics Nassco Norfolk Va | Norfolk | VA | — | ◇ UNVERIFIED |
| DEDelphinus Engineering INC | Bremerton | WA | — | ◇ UNVERIFIED |
| DEDelphinus Engineering - Progress Road | Norfolk | VA | — | ◇ UNVERIFIED |
| DEDelphinus Engineering-ready Room Project | Bremerton | WA | — | ◇ UNVERIFIED |
| DEDelta Engineering | Houston | TX | — | ◇ UNVERIFIED |
| DSDelta Sandblasting CO. INC. | Alameda | CA | — | ◇ UNVERIFIED |
| DSDelta Sandblasting CO. INC. | San Francisco | CA | — | ◇ UNVERIFIED |
| DODepartment of Homeland Security US Coast Guard | Baltimore | MD | — | ◇ UNVERIFIED |
| DSDetyens Shipyard, INC. | North Charleston | SC | — | ◇ UNVERIFIED |
| DSDetyens Shipyard Mt Pleasant | Mount Pleasant | SC | — | ◇ UNVERIFIED |
| DLDewayles Limited LLC | Larose | LA | — | ◇ UNVERIFIED |
| DDDiogenes Dry Docks | Townsend | GA | — | ◇ UNVERIFIED |
| DWDirty Water Boat Repair | Pembroke | MA | — | ◇ UNVERIFIED |
| DMDiversified Marine, INC | Portland | OR | — | ◇ UNVERIFIED |
| DMDiversified Marine Tech, INC | Tampa | FL | — | ◇ UNVERIFIED |
| DYDock Yard | Port Arthur | TX | — | ◇ UNVERIFIED |
| DSDot-nc State Shipyard | Manns Harbor | NC | — | ◇ UNVERIFIED |
| DCDredge Central, LLC | Goodlettsville | TN | — | ◇ UNVERIFIED |
| DBDriscoll Boat Works | San Diego | CA | — | ◇ UNVERIFIED |
| DDDub's Diesel Repair, LLC | Bagley | MN | — | ◇ UNVERIFIED |
| DSDuckworth Steel Boats, INC. | Tarpon Springs | FL | — | ◇ UNVERIFIED |
| DMDuke Marine Engineering Consulting | Jacksonville | FL | — | ◇ UNVERIFIED |
| DPDuskin Point Marina | Jasper | AL | — | ◇ UNVERIFIED |
| DSDuwamish Shipyard INC | Seattle | WA | — | ◇ UNVERIFIED |
| DAD.w. Allen Marine Services, INC. | Jacksonville | FL | — | ◇ UNVERIFIED |
| DWD. W. Boyd Corporation | Norfolk | VA | — | ◇ UNVERIFIED |
| DBDwight Blakeney | Theodore | AL | — | ◇ UNVERIFIED |
| DLDwtsar, LLC | San Diego | CA | — | ◇ UNVERIFIED |
| DLDwtsar LLC Dbaatlas Ship Repair | San Diego | CA | — | ◇ UNVERIFIED |
| DCDy Con Corporation | Augusta | NJ | — | ◇ UNVERIFIED |
 Dynamic Industries INC - West Yard | New Iberia | LA | — | ◇ UNVERIFIED |
