| NENautical Engineering INC | Oakland | CA | — | ◇ UNVERIFIED |
| NANaval Air Sta Agana | Agana | GU | — | ◇ UNVERIFIED |
| NANaval Air Station North Island | San Diego | CA | — | ◇ UNVERIFIED |
| NANaval Amphibious Base | Coronado | CA | — | ◇ UNVERIFIED |
| NBNaval Base San Diego | San Diego | CA | — | ◇ UNVERIFIED |
| NBNaval Base San Diego | San Diego | CA | — | ◇ UNVERIFIED |
| NBNaval Base Ventura | Port Hueneme | CA | — | ◇ UNVERIFIED |
| NCNaval Coating INC | San Diego | CA | — | ◇ UNVERIFIED |
| NCNaval Computer Telecommunications Area Master Station, Atlantic | Portsmouth | VA | — | ◇ UNVERIFIED |
| NENaval Engineering Support | San Diego | CA | — | ◇ UNVERIFIED |
| NENaval Engineering Support | San Diego | CA | — | ◇ UNVERIFIED |
| NENaval Engineering Support | Coronado | CA | — | ◇ UNVERIFIED |
| NENaval Engineering Support INC | San Diego | CA | — | ◇ UNVERIFIED |
| NENaval Engineering Support INC. | National City | CA | — | ◇ UNVERIFIED |
| NENaval Engineering Support INC. | Coronado | CA | — | ◇ UNVERIFIED |
| NFNaval Facilities Engineering Command Pwd Portsmouth | Portsmouth | VA | — | ◇ UNVERIFIED |
| NFNaval Foundry and Propeller Ctr/phila | Philadelphia | PA | — | ◇ UNVERIFIED |
| NSNaval Sea Systems Command | Kittery | ME | — | ◇ UNVERIFIED |
| NSNaval Station- Coronado | Coronado | CA | — | ◇ UNVERIFIED |
| NSNaval Station Pascagoula | Pascagoula | MS | — | ◇ UNVERIFIED |
| NSNaval Submarine Base Kings Bay | Saint Marys | GA | — | ◇ UNVERIFIED |
 Navigational Services INC | National City | CA | — | ◇ UNVERIFIED |
| NONavy Operational Support Center (nosc) Schenectady | Schenectady | NY | — | ◇ UNVERIFIED |
| NRNavy Region Southwest Port Operations | San Diego | CA | — | ◇ UNVERIFIED |
| NSNavy Support Activity Panama City | Panama City | FL | — | ◇ UNVERIFIED |
| NNbsd | San Diego | CA | — | ◇ UNVERIFIED |
| NBNcm Barge Maintenance | Belle Vernon | PA | — | ◇ UNVERIFIED |
| NBNelson Boatyard INC. | Gulf Shores | AL | — | ◇ UNVERIFIED |
| NJNew Johnsonville Marine Service, INC. | New Johnsonville | TN | — | ◇ UNVERIFIED |
| NSNewpark Shipbuilding-pasadena INC | Pasadena | TX | — | ◇ UNVERIFIED |
| NHNewport Harbor Shipyard, INC. | Newport Beach | CA | — | ◇ UNVERIFIED |
| NNNewport News Shipbuilding - Charleston Operations | Goose Creek | SC | — | ◇ UNVERIFIED |
| NNNewport News Shipbuilding Norfolk Auxiliary Campus | Norfolk | VA | — | ◇ UNVERIFIED |
| NYNew York Shipyard CORP. | Brooklyn | NY | — | ◇ UNVERIFIED |
| NBNichols Brothers Boat Builders Langley Facility | Langley | WA | — | ◇ UNVERIFIED |
 Nielsen Beaumont Marine INC. | San Diego | CA | — | ◇ UNVERIFIED |
 Norfolk Coating Services | Chesapeake | VA | — | ◇ UNVERIFIED |
| Norfolk Coating Services, LLC | Norfolk | VA | — | ◇ UNVERIFIED |
| NNNorfolk Naval Shipyard | Portsmouth | VA | — | ◇ UNVERIFIED |
| NNNorfolk Naval Shipyard | Portsmouth | VA | — | ◇ UNVERIFIED |
| NNNorfolk Naval Shipyard | Portsmouth | VA | — | ◇ UNVERIFIED |
| NSNorfolk Ship Repair & Drydock | Norfolk | VA | — | ◇ UNVERIFIED |
| NANorth American Fabricators LLC | Houma | LA | — | ◇ UNVERIFIED |
| NSNortheast Ship Repair | Philadelphia | PA | — | ◇ UNVERIFIED |
| NFNorth Florida Shipyards, INC. | Atlantic Beach | FL | — | ◇ UNVERIFIED |
| NINorth Island Naval Air Station | Coronado | CA | — | ◇ UNVERIFIED |
| NSNorthline Seafoods, LLC | Sitka | AK | — | ◇ UNVERIFIED |
| NPNorth Point Marine | San Pedro | CA | — | ◇ UNVERIFIED |
| NPNorth Point Marine | San Pedro | CA | — | ◇ UNVERIFIED |
| NSNorth Shore Marine INC | Salem | MA | — | ◇ UNVERIFIED |
