| AAAlliedsignal Aerospace Systems | East Rancho Dominguez | — | ◇ UNVERIFIED |
| BNBoeing North American Rocketdyne | Canoga Park | — | ◇ UNVERIFIED |
| BMBrek Manufacturing | Gardena | — | ◇ UNVERIFIED |
| CCCarrier Corporation Bdp Compan | Rowland Heights | — | ◇ UNVERIFIED |
| CMCie Manufacturing | South Gate | — | ◇ UNVERIFIED |
 Composites Horizons INC | Covina | — | ◇ UNVERIFIED |
| CFCustom Fiberglass/dba Snugtop | Long Beach | — | ◇ UNVERIFIED |
| D8De 8484 Wilshire, LLC | Beverly Hills | — | ◇ UNVERIFIED |
| DPDenso Products & Services Americas, INC. | Long Beach | — | ◇ UNVERIFIED |
| DIDukes INC | Northridge | — | ◇ UNVERIFIED |
| DMDynamic Machine INC | Huntington Park | — | ◇ UNVERIFIED |
| ELEdelbrock LLC | Torrance | — | ◇ UNVERIFIED |
| FGFarrar Grinding Company | Inglewood | — | ◇ UNVERIFIED |
| FCFmc CORP Sweeper Div | Pomona | — | ◇ UNVERIFIED |
| FMFormer Menasco Aerospace Facility | Burbank | — | ◇ UNVERIFIED |
| GEGarrett Engine Boosting System | Torrance | — | ◇ UNVERIFIED |
| GEGe Engine Services - Corporate Aviation, | Van Nuys | — | ◇ UNVERIFIED |
| GAGeneral Atomics Asi | Palmdale | — | ◇ UNVERIFIED |
| GMGiant Merchandising | Commerce | — | ◇ UNVERIFIED |
| GJG & J Grinding | Paramount | — | ◇ UNVERIFIED |
| GAGulfstream Aerospace CORP - Paint Hangar | Long Beach | — | ◇ UNVERIFIED |
| HPHonda Performance Development, INC | Santa Clarita | — | ◇ UNVERIFIED |
| HMHughes Missile Systems CO | Canoga Park | — | ◇ UNVERIFIED |
| IEIndarg Engineering | Hawthorne | — | ◇ UNVERIFIED |
| IDIndel Dba Marina Shipyard | Long Beach | — | ◇ UNVERIFIED |
| KEKeystone Engineering CO | Long Beach | — | ◇ UNVERIFIED |
| KHKing Harbor Marine Center | Redondo Beach | — | ◇ UNVERIFIED |
| LTLion Truck Body INC | Torrance | — | ◇ UNVERIFIED |
| LALockheed Aeronautical Sys CO | Burbank | — | ◇ UNVERIFIED |
| LMLockheed Martin Aeronautics Palmdale Site 7 | Palmdale | — | ◇ UNVERIFIED |
| LMLockheed Martin CORP | Burbank | — | ◇ UNVERIFIED |
| MMaxtrade | South El Monte | — | ◇ UNVERIFIED |
| MAMenzies Aviation Grp Inc, Ogden Grnd Svc | Los Angeles | — | ◇ UNVERIFIED |
| MAModine Aftermarket Holdings INC | Los Angeles | — | ◇ UNVERIFIED |
| NDNc Dynamics LLC | Long Beach | — | ◇ UNVERIFIED |
| NCNorthrop Corporation | Pico Rivera | — | ◇ UNVERIFIED |
| NGNorthrop Grumman Air Force Plant 42 Site 8 | Palmdale | — | ◇ UNVERIFIED |
| NGNorthrop Grumman CORP. Aircraft Div | El Segundo | — | ◇ UNVERIFIED |
| NGNorthrop Grumman, Palmdale B500 | Palmdale | — | ◇ UNVERIFIED |
| OTOmni Team INC | Downey | — | ◇ UNVERIFIED |
| PPPacific Piston Ring CO INC | Culver City | — | ◇ UNVERIFIED |
| PMParamount Manufacturing CO 445 | Long Beach | — | ◇ UNVERIFIED |
| PDPerez Disposal CO INC | Granada Hills | — | ◇ UNVERIFIED |
| PEPerformance Engines | La Verne | — | ◇ UNVERIFIED |
| PWPrime Wheel | Carson | — | ◇ UNVERIFIED |
| PIProterra INC | City of Industry | — | ◇ UNVERIFIED |
| RRR&d Racing Products USA INC | Santa Fe Springs | — | ◇ UNVERIFIED |
| RHRobinson Helicopter Company, INC. | Torrance | — | ◇ UNVERIFIED |
 Rocket Lab USA INC | Long Beach | — | ◇ UNVERIFIED |
| RRRoss Racing Pistons INC | El Segundo | — | ◇ UNVERIFIED |
