 G I Industrial-marine, LLC | Portsmouth | — | ● ACTIVE |
 Accurate Marine Environmental, LLC | Portsmouth | — | ● ACTIVE |
 Epsilon Systems Solutions INC | Portsmouth | — | ● ACTIVE |
 Fairlead Integrated, LLC | Portsmouth | 100–499 | ● ACTIVE |
 Marcom Services, LLC | Portsmouth | — | ● ACTIVE |
 Marine Specialty Painting INC. | Portsmouth | — | ● ACTIVE |
 Clean Way Services, LLC | Portsmouth | — | ● ACTIVE |
 Jrf Ship Repairs, LLC | Portsmouth | — | ● ACTIVE |
 Poseidon Industrial LLC | Portsmouth | — | ● ACTIVE |
| BMBeach Marine Services INC | Portsmouth | — | ◐ LIKELY ACTIVE |
| UNUS Navy - Norfolk Naval Shipyard | Portsmouth | — | ◇ UNVERIFIED |
| Fairlead Integrated LLC | Portsmouth | — | ◐ LIKELY ACTIVE |
 Fairlead Integrated, LLC | Portsmouth | — | ◐ LIKELY ACTIVE |
| Fairlead Marine INC. | Portsmouth | — | ◐ LIKELY ACTIVE |
| UNUS Navy Mid-atlantic Regional Maintenance Center (marmc) at Nassco Earl | Portsmouth | — | ◐ LIKELY ACTIVE |
| UNUS Navy - Norfolk Naval Shipyard | Portsmouth | — | ◐ LIKELY ACTIVE |
| FBFairlead Boatworks INC | Portsmouth | — | ◐ LIKELY ACTIVE |
| ESEpsilon Systems Solutions | Portsmouth | — | ◇ UNVERIFIED |
| FIFairlead Integrated LLC | Portsmouth | — | ◇ UNVERIFIED |
| GDGeneral Dynamics Nassco-norfolk - Harper Facility | Portsmouth | — | ◇ UNVERIFIED |
| SBSouth Bay Sand Blasting and Tank Cleaning | Portsmouth | — | ◇ UNVERIFIED |
| AFAtlantic Fabrication & Boiler Services, INC. | Portsmouth | — | ◐ LIKELY ACTIVE |
| FAFlintlock and Saber Tactical Boats, LLC | Portsmouth | — | ▲ REPORTED CLOSED |
| HIHarbor Industrial Services INC | Portsmouth | — | ◐ LIKELY ACTIVE |
| PSPrestige Structural Repairs LLC | Portsmouth | — | ◐ LIKELY ACTIVE |
| SRShip Repair | Portsmouth | 100–499 | ◐ LIKELY ACTIVE |
| WSWorldwide Ship Repair LLC | Portsmouth | — | ◐ LIKELY ACTIVE |
| ACAdvex Corporation | Portsmouth | — | ◇ UNVERIFIED |
| ATAlliance Technical Services, INC. | Portsmouth | — | ◇ UNVERIFIED |
| AFAtlantic Fabrication & Boiler Services | Portsmouth | — | ◇ UNVERIFIED |
| CICrofton Industries, INC. | Portsmouth | — | ◇ UNVERIFIED |
| CCCtr Corporation, INC. | Portsmouth | — | ◇ UNVERIFIED |
| GGGeorge G. Sharp, INC. | Portsmouth | — | ◇ UNVERIFIED |
| GIGi Industrial - Marine LLC | Portsmouth | — | ◇ UNVERIFIED |
| GSGovernment Services Group, INC | Portsmouth | — | ◇ UNVERIFIED |
 Hyval Industries Incorporated | Portsmouth | — | ◇ UNVERIFIED |
| IMInternational Marine and Industrial Applicators LLC | Portsmouth | — | ◇ UNVERIFIED |
| IMInternational Marine and Industrial Applicators, LLC | Portsmouth | — | ◇ UNVERIFIED |
| JCJdk Corporation Dba Dk Shell | Portsmouth | — | ◇ UNVERIFIED |
| LCL3 Communications Pacord | Portsmouth | — | ◇ UNVERIFIED |
| MIMarine & Industrial Coatings LLC | Portsmouth | — | ◇ UNVERIFIED |
| MMMetro Machine Corporation | Portsmouth | — | ◇ UNVERIFIED |
| NHNassco-norfolk's Harper Avenue Yard | Portsmouth | — | ◇ UNVERIFIED |
| NCNaval Computer Telecommunications Area Master Station, Atlantic | Portsmouth | — | ◇ UNVERIFIED |
| NNNorfolk Naval Shipyard | Portsmouth | — | ◇ UNVERIFIED |
| QSQ.e.d. Systems, INC | Portsmouth | — | ◇ UNVERIFIED |
| SESky Enterprises LLC | Portsmouth | — | ◇ UNVERIFIED |
| TCTecnico Corporation | Portsmouth | — | ◇ UNVERIFIED |
| UNUS Navy Mid-atlantic Regional Maintenance Center (marmc) at East Coast Repair | Portsmouth | — | ◇ UNVERIFIED |
