| QFQuality Full Service Marine, INC. | Deerfield Beach | FL | — | ◇ UNVERIFIED |
| QIQuartermoon INC | Portsmouth | RI | — | ◇ UNVERIFIED |
| RAR and D Associates, INC. | Ashland | KY | — | ◇ UNVERIFIED |
| RDRapid Deployable Systems, INC. | Chesapeake | VA | — | ◇ UNVERIFIED |
| RDRapid Deployable Systems, INC. | Norfolk | VA | — | ◇ UNVERIFIED |
| RMRavosa Marine Services LLC | Winthrop | MA | — | ◇ UNVERIFIED |
| RARaymond & Associates, LLC | Bayou La Batre | AL | — | ◇ UNVERIFIED |
| RDR & D Associates | Catlettsburg | KY | — | ◇ UNVERIFIED |
| RMReedsport Machine & Fabrication‎ | Winchester Bay | OR | — | ◇ UNVERIFIED |
| RLRegalis LLC | Chula Vista | CA | — | ◇ UNVERIFIED |
| RSResolve Salvage and Fire | Dutch Harbor | AK | — | ◇ UNVERIFIED |
| RIRhoads Industrial INC. | Philadelphia | PA | — | ◇ UNVERIFIED |
| RPRibbet Powder Coating & Fab INC. | Malvern | AR | — | ◇ UNVERIFIED |
| RDRichmond Drydock CO | Richmond | CA | — | ◇ UNVERIFIED |
| RYRichmond Yacht Harbor LTD CORP | Richmond | CA | — | ◇ UNVERIFIED |
| RMRiddle Marine | Kailua Kona | HI | — | ◇ UNVERIFIED |
| RERing-r Engineering, INC. | Berne | IN | — | ◇ UNVERIFIED |
| RIRisers International INC. | Rosenberg | TX | — | ◇ UNVERIFIED |
| RMRiverhawk Marine, LLC | Tampa | FL | — | ◇ UNVERIFIED |
| RSRiver Salvage Company, INC. | Pittsburgh | PA | — | ◇ UNVERIFIED |
| RMRiverside Marine Industries, INC | Toledo | OH | — | ◇ UNVERIFIED |
| RMRiverside Marine Industries, INC | Toledo | OH | — | ◇ UNVERIFIED |
| RGRK Group LLC | Deland | FL | — | ◇ UNVERIFIED |
| RMRobertson Marine Sheetmetal, LLC | North Charleston | SC | — | ◇ UNVERIFIED |
| RBRodz Boat Works LLC | Miami | FL | — | ◇ UNVERIFIED |
| RIRoscioli International, INC. | Bradenton | FL | — | ◇ UNVERIFIED |
| RMRowan Marine Facility | Sabine Pass | TX | — | ◇ UNVERIFIED |
| RCRudy Cruz | Chickasaw | AL | — | ◇ UNVERIFIED |
| SMSail Marine, LLC | Hayden | ID | — | ◇ UNVERIFIED |
| SSSaipan Sea Cruises INC. | Saipan | MP | — | ◇ UNVERIFIED |
| SMSaltworks Marine 291 | Marion | MA | — | ◇ UNVERIFIED |
| SWSamoa Welding | Pago Pago | AS | — | ◇ UNVERIFIED |
| SDSan Diego Maritime Museum Association | San Diego | CA | — | ◇ UNVERIFIED |
| SAS and S Marine Repair, INC. | Bayou La Batre | AL | — | ◇ UNVERIFIED |
| SBSause Bros., INC. | Coos Bay | OR | — | ◇ UNVERIFIED |
| SYSavannah Yacht Center | Savannah | GA | — | ◇ UNVERIFIED |
| SLScf Lewis and Clark Fleeting, LLC | Granite City | IL | — | ◇ UNVERIFIED |
| SMSchuyler Maritime, LLC | Broussard | LA | — | ◇ UNVERIFIED |
| SMScrap Metal Services, L.l.c. | Brownsville | TX | — | ◇ UNVERIFIED |
| SMScrap Metal Services, Llc/sms Scrap Metal Services, LLC | Brownsville | TX | — | ◇ UNVERIFIED |
| SMSeaark Marine, INC. | Monticello | AR | — | ◇ UNVERIFIED |
| STSeabulk Towing, INC. | Mobile | AL | — | ◇ UNVERIFIED |
 Seaquest Marine LLC | Miami | FL | — | ◇ UNVERIFIED |
| SPSeattle Port Maritime Industrial Cent | Seattle | WA | — | ◇ UNVERIFIED |
| SBSeaview Boatyard West | Seattle | WA | — | ◇ UNVERIFIED |
| SESeaview East Boatyard | Seattle | WA | — | ◇ UNVERIFIED |
| SMSeaward Marine Corporation - Bainbridge | Chesapeake | VA | — | ◇ UNVERIFIED |
| SMSeaward Marine Services, LLC | Naval Base | VA | — | ◇ UNVERIFIED |
| SSSeaward Services, INC. | Norfolk | VA | — | ◇ UNVERIFIED |
| SMSells Marine Service | Portland | OR | — | ◇ UNVERIFIED |
