| CMCalifornia Marine Cleaning INC | San Diego | — | ◇ UNVERIFIED |
| DCDriscoll Custom Boats | San Diego | — | ◇ UNVERIFIED |
| FCFairlane Cleaners and Laundry | Oceanside | — | ◇ UNVERIFIED |
| GAGeneral Atomics Aeronautical Systems INC | San Diego | — | ◇ UNVERIFIED |
| GTGreen Toes Grp - Bae Systems San Diego Ship Repair | San Diego | — | ◇ UNVERIFIED |
| HEHydraulic Electric | El Cajon | — | ◇ UNVERIFIED |
| KKKoehler Kraft | San Diego | — | ◇ UNVERIFIED |
L3harris Maritime Services, INC. | Chula Vista | — | ◇ UNVERIFIED |
| LTL3 Technologies, INC. | National City | — | ◇ UNVERIFIED |
| LMLockheed Martin Astronautics | San Diego | — | ◇ UNVERIFIED |
Marine Group Boat Works - Chula Vista (fmrly South Bay Boatyard) | Chula Vista | — | ◇ UNVERIFIED |
Marine Group Boat Works - National City | National City | — | ◇ UNVERIFIED |
| NCNaval Coating INC | San Diego | — | ◇ UNVERIFIED |
| RIRohr INC Dba Goodrich Aerostructures Group | Chula Vista | — | ◇ UNVERIFIED |
| SPSpecialized Processing CO INC | El Cajon | — | ◇ UNVERIFIED |
| STSurface Technologies Corporation- Naval Base San Diego 32nd St | San Diego | — | ◇ UNVERIFIED |
| TTThornton Technology Corporation | Oceanside | — | ◇ UNVERIFIED |
| WEWatts Engineering LLC | Santee | — | ◇ UNVERIFIED |
| ASAbacus Sea LLC | San Diego | — | ◐ LIKELY ACTIVE |
American Scaffold SD | Sa Diego | 100–499 | ◐ LIKELY ACTIVE |
| AIAnauak INC | National City | — | ▲ REPORTED CLOSED |
| AUAustal USA LLC Sdca | San Diego | 100–499 | ◐ LIKELY ACTIVE |
Axillon Aerospace (San Diego), Inc. (TopGun) | San Diego | 100–499 | ◐ LIKELY ACTIVE |
Axillon Aerospace (San Diego), Inc. (Viper Way) | San Diego | 100–499 | ◐ LIKELY ACTIVE |
Axiom Materials, Inc Carlsbad | Carlsbad | 1–19 | ◐ LIKELY ACTIVE |
| BSBae Systems Maritime Solutions San Diego INC. | San Diego | — | ◐ LIKELY ACTIVE |
| CScar sound exhaust | Oceanside | 100–499 | ◐ LIKELY ACTIVE |
| CSCA San Diego - Mission Valley | San Diego | 20–99 | ◐ LIKELY ACTIVE |
| CAClearfix Aerospace, INC | San Diego | — | ◐ LIKELY ACTIVE |
| CSCoast2coast Shiprepair & Fabrication L.l.c. | National City | — | ▲ REPORTED CLOSED |
| DEDelphinus Engineering Division 6 | San Diego | 20–99 | ◐ LIKELY ACTIVE |
| ECECR California | National City | 1–19 | ◐ LIKELY ACTIVE |
| FFFutura Fiberglass Systems LLC | El Cajon | — | ▲ REPORTED CLOSED |
| GAGeneral Atomics - Mira Mesa - A78 | San Diego | 1–19 | ◐ LIKELY ACTIVE |
| GAGeneral Atomics - Montgomery Field - A07, A07B | San Diego | 1–19 | ◐ LIKELY ACTIVE |
| GAGeneral Atomics - Poway - A14 | Poway | 100–499 | ◐ LIKELY ACTIVE |
| GAGeneral Atomics - Poway - A15 | Poway | 500+ | ◐ LIKELY ACTIVE |
| GAGeneral Atomics - Poway - A19 | Poway | 20–99 | ◐ LIKELY ACTIVE |
| GAGeneral Atomics - Poway - A22 | Poway | 100–499 | ◐ LIKELY ACTIVE |
| GAGeneral Atomics - Poway - A24 | Poway | 100–499 | ◐ LIKELY ACTIVE |
| GAGeneral Atomics - Poway - A25 | Poway | 20–99 | ◐ LIKELY ACTIVE |
| GAGeneral Atomics - Poway - A26 | Poway | 100–499 | ◐ LIKELY ACTIVE |
| GAGeneral Atomics - Poway - A29 | Poway | 100–499 | ◐ LIKELY ACTIVE |
| GAGeneral Atomics - Poway - A34 | Poway | 100–499 | ◐ LIKELY ACTIVE |
| GAGeneral Atomics - Poway - A36 | Poway | 20–99 | ◐ LIKELY ACTIVE |
| GAGeneral Atomics - Poway - A37 | Poway | 100–499 | ◐ LIKELY ACTIVE |
| GAGeneral Atomics - Poway - A38 | Poway | 100–499 | ◐ LIKELY ACTIVE |
| GAGeneral Atomics - Poway - A39 | Poway | 20–99 | ◐ LIKELY ACTIVE |
| GAGeneral Atomics - Poway - A40 | Poway | 100–499 | ◐ LIKELY ACTIVE |
| GAGeneral Atomics - Poway - A41 | Poway | 20–99 | ◐ LIKELY ACTIVE |