Hughes Bros., Aircrafters, INC. | South Gate | — | ● ACTIVE |
| HAHutchinson Aerospace & Industry, INC. | Burbank | — | ● ACTIVE |
Hydra-electric Company | Burbank | — | ● ACTIVE |
Hydraflow | Fullerton | — | ● ACTIVE |
Hydraulics International INC | Chatsworth | — | ● ACTIVE |
Hydraulics International, INC. | Chatsworth | — | ● ACTIVE |
Hydroform USA Incorporated | Carson | — | ● ACTIVE |
Hyundai Translead | San Diego | — | ● ACTIVE |
| ISImpulse Space, INC. | Redondo Beach | 100–499 | ● ACTIVE |
Inspired Flight Technologies, INC. | San Luis Obispo | — | ● ACTIVE |
| IAIntegral Aerospace, LLC | Santa Ana | — | ● ACTIVE |
Interlog Corporation | Anaheim | — | ● ACTIVE |
Jaffa Precision Engineering, INC. | Riverside | — | ● ACTIVE |
K2 Space Corporation | Torrance | 100–499 | ● ACTIVE |
Kratos Unmanned Aerial Systems, INC | Sacramento | — | ● ACTIVE |
Kraus Hamdani Aerospace, INC. | Emeryville | — | ● ACTIVE |
K&s Enterprises, LLC | Adelanto | — | ● ACTIVE |
Lefiell Manufacturing Company | Santa Fe Springs | — | ● ACTIVE |
| LSLevac Specialties INC. | Gold River | — | ● ACTIVE |
| LDLightning Diversion Systems, LLC | Huntington Beach | 1–19 | ● ACTIVE |
Lockheed Martin CORP | Sunnyvale | — | ● ACTIVE |
Lockheed Martin Corporation | Palmdale | — | ● ACTIVE |
Lockheed Martin Corporation | Palo Alto | — | ● ACTIVE |
Loree Air, INC. | Diamond Springs | — | ● ACTIVE |
Machinetek, LLC | Carlsbad | — | ● ACTIVE |
Machineworks Manufacturing | Northridge | — | ● ACTIVE |
Maney Aircraft, INC. | Ontario | — | ● ACTIVE |
Marine Group Boat Works, LLC | Chula Vista | 100–499 | ● ACTIVE |
Marvin Engineering Co, INC | Inglewood | — | ● ACTIVE |
Marvin Test Solutions, INC. | Irvine | — | ● ACTIVE |
Mckenzie Machining INC | San Jose | — | ● ACTIVE |
| MDMeggitt Defense Systems, INC. | Irvine | 100–499 | ● ACTIVE |
| MIMetal Improvement Company, LLC | Santa Ana | — | ● ACTIVE |
Meziere Enterprises, INC | Escondido | — | ● ACTIVE |
Mid-continent Instrument Co, INC. | Chatsworth | — | ● ACTIVE |
Mike Kenney Tool, INC | Placentia | — | ● ACTIVE |
Millennium Space Systems, INC. | El Segundo | — | ● ACTIVE |
Mindrum Precision INC. | Rancho Cucamonga | — | ● ACTIVE |
Motorcar Parts of America, INC | Torrance | — | ● ACTIVE |
| NENaval Engineering Support INC | National City | — | ● ACTIVE |
Ndk Paragon, LLC | Oceanside | — | ● ACTIVE |
| NANeill Aircraft CO. | Long Beach | 100–499 | ● ACTIVE |
Northrop Grumman Systems Corporation | San Diego | — | ● ACTIVE |
Notthoff Engineering L. A. INC. | Huntington Beach | 20–99 | ● ACTIVE |
Omanson Precision Engineering, INC | Chino | — | ● ACTIVE |
O & Y Precision INC | Morgan Hill | — | ● ACTIVE |
| PAPacific Aerospace Corporation | Stanton | — | ● ACTIVE |
Pacific Marine Protective Coatings LLC | San Diego | — | ● ACTIVE |
Pacific Marine Repair | Ventura | — | ● ACTIVE |
Paramount Panels, INC. | Ontario | — | ● ACTIVE |