| AMAltech Machining, INC. | Santee | — | ◐ LIKELY ACTIVE |
Amro Fabricating Corporation | Corona | 20–99 | ◐ LIKELY ACTIVE |
| AAArcher Aviation INC. | San Jose | — | ◐ LIKELY ACTIVE |
Ascent Aerospace | Irvine | 20–99 | ◐ LIKELY ACTIVE |
| AIAstro-tek Industries, LLC | Anaheim | — | ◐ LIKELY ACTIVE |
| AVA & V Engineering, INC. | Compton | — | ◐ LIKELY ACTIVE |
| BSBae Systems Controls INC. | Los Angeles | — | ◐ LIKELY ACTIVE |
| BSBAE Systems I&S - Mojave | Mojave | 20–99 | ◐ LIKELY ACTIVE |
| BTBarnett Tool and Engineering | Ventura | 20–99 | ◐ LIKELY ACTIVE |
| BPBeyond Precision, LLC | Santa Ana | — | ◐ LIKELY ACTIVE |
| BMBlackbeard Marine Services LLC | National City | — | ◐ LIKELY ACTIVE |
| BEBlythe Energy Power Plant | Blythe | — | ◐ LIKELY ACTIVE |
| BCBoeing Commercial Airplane Group | Long Beach | — | ◐ LIKELY ACTIVE |
| BEBoeing Encore Interiors - Seal Beach | Seal Beach | 100–499 | ◐ LIKELY ACTIVE |
Brooks Instrument- Corona | Corona | 100–499 | ◐ LIKELY ACTIVE |
| BRBryant Racing INC | Anaheim | 20–99 | ◐ LIKELY ACTIVE |
| BCByd Coach & Bus LLC | Lancaster | — | ◐ LIKELY ACTIVE |
| CPCalifornia Poptop, LLC | Castaic | — | ◐ LIKELY ACTIVE |
| CACamisasca Automotive Manufacturing, Inc. | Lake Forest | 20–99 | ◐ LIKELY ACTIVE |
| CACoast Abatement Services INC | Lawndale | — | ◐ LIKELY ACTIVE |
| CSColonna's Shipyard West, LLC | Chula Vista | — | ◐ LIKELY ACTIVE |
| CCCommercial Custom Seating & Upholstery | Garden Grove | 20–99 | ◐ LIKELY ACTIVE |
| CTContinental Tide Defense Systems, INC. | National City | 20–99 | ◐ LIKELY ACTIVE |
| CEContour Engineering INC. | Santa Ana | — | ◐ LIKELY ACTIVE |
| CECrower Engineering & Sales CO INC | San Diego | — | ◐ LIKELY ACTIVE |
| DTDanco Trailers, INC | Turlock | 20–99 | ◐ LIKELY ACTIVE |
| DDD & D Gear INC Dba Absolute Technologies | Anaheim | 100–499 | ◐ LIKELY ACTIVE |
| DPDenso Products & Services Americas, Murrieta Operations | Murrieta | 100–499 | ◐ LIKELY ACTIVE |
| DSDeposition Sciences, INC. | Santa Rosa | — | ◐ LIKELY ACTIVE |
| DMDucommun Monrovia | Monrovia | 1–19 | ◐ LIKELY ACTIVE |
| ECEaton Corporation | Irvine | — | ◐ LIKELY ACTIVE |
| ECEaton Corporation | Santa Ana | 100–499 | ◐ LIKELY ACTIVE |
| ECEconolite Control Products INC | Anaheim | — | ◐ LIKELY ACTIVE |
| ESEmpirical Systems Aerospace, Inc (Higuera) | San Luis Obispo | 100–499 | ◐ LIKELY ACTIVE |
| EIEnoven Industries LLC | West Sacramento | — | ◐ LIKELY ACTIVE |
| FPFactory Pipe | Ukiah | 20–99 | ◐ LIKELY ACTIVE |
| FMForrest Machining LLC | Santa Clarita | — | ◐ LIKELY ACTIVE |
| FFFox Factory INC | El Cajon | 100–499 | ◐ LIKELY ACTIVE |
| FCFun Co/motorsports, INC. | Rialto | — | ◐ LIKELY ACTIVE |
| GCGatx - Colton, Ca Tank Car Facility | Colton | — | ◐ LIKELY ACTIVE |
| GAGeneral Atomics Asi | Adelanto | — | ◐ LIKELY ACTIVE |
| GAGeneral Atomics - Gray Butte | Palmdale | 500+ | ◐ LIKELY ACTIVE |
| GAGeneral Atomics - Poway - A17 | Poway | 100–499 | ◐ LIKELY ACTIVE |
| GAGeneral Atomics - Poway - A18 | Poway | 100–499 | ◐ LIKELY ACTIVE |
| GAGeneral Atomics - Poway - A21 | Poway | 100–499 | ◐ LIKELY ACTIVE |
| GAGeneral Atomics - Poway - A23 | Poway | 500+ | ◐ LIKELY ACTIVE |
| GAGeneral Atomics - Poway - A27 | Poway | 100–499 | ◐ LIKELY ACTIVE |
| GAGeneral Atomics - Poway - A28 | Poway | 20–99 | ◐ LIKELY ACTIVE |
| GAGeneral Atomics - Poway - A31 | Poway | 100–499 | ◐ LIKELY ACTIVE |
| GAGeneral Atomics - Rancho Bernardo - G75 | San Diego | 100–499 | ◐ LIKELY ACTIVE |