| QMQ-mark Manufacturing, INC. | Rancho Santa Margarita | — | ● ACTIVE |
Qualitask, INC | Anaheim | — | ● ACTIVE |
Quality Grinding Co, INC. | Buena Park | — | ● ACTIVE |
Rbc Transport Dynamics CORP | Santa Ana | — | ● ACTIVE |
| RPRobert's Precision Engineering, INC. | Anaheim | — | ● ACTIVE |
Rogerson Aircraft Equipment Group | Irvine | — | ● ACTIVE |
Superior Jig INC | Anaheim | — | ● ACTIVE |
Superior Spring Company | Anaheim | — | ● ACTIVE |
| SLSurefire, LLC. | Santa Ana | — | ● ACTIVE |
Synertech Pm INC. | Garden Grove | — | ● ACTIVE |
| TUTerra Universal, INC. | Fullerton | — | ● ACTIVE |
Tiodize Co., INC. | Huntington Beach | — | ● ACTIVE |
Tj Aerospace, INC. | Garden Grove | — | ● ACTIVE |
| TITlk Industries INC | Yorba Linda | — | ● ACTIVE |
Tomi Engineering, INC | Santa Ana | — | ● ACTIVE |
T/q Systems INC. | Lake Forest | — | ● ACTIVE |
Trabuco Precision LLC | Yorba Linda | — | ● ACTIVE |
Traffix Devices INC | San Clemente | — | ● ACTIVE |
Tri Models INC | Huntington Beach | — | ● ACTIVE |
| UIUmpco, INC. | Garden Grove | — | ● ACTIVE |
V & S Engineering Company, LTD. | Huntington Beach | — | ● ACTIVE |
Will-mann, INC | Fullerton | — | ● ACTIVE |
1-800-bollards INC | Irvine | — | ● ACTIVE |
Absolute Precision Machining, INC. | Anaheim | — | ● ACTIVE |
Ada Industries LLC | Buena Park | — | ● ACTIVE |
Addison Precision Manufacturing LLC | Newport Beach | — | ● ACTIVE |
Advanced Precision Machining, LLC | Costa Mesa | — | ● ACTIVE |
Advanced Thermal Products, INC. | Irvine | — | ● ACTIVE |
Aim Arms LLC | Costa Mesa | — | ● ACTIVE |
| AAAirlinx Aircraft Services INC | Santa Ana | — | ● ACTIVE |
Allied Modular Building Systems, INC. | Orange | — | ● ACTIVE |
Alloy Valves & Control, INC. | Santa Ana | — | ● ACTIVE |
| AIAmerican Industrial Inspection | Buena Park | — | ● ACTIVE |
American Precision Hydraulics | Huntington Beach | — | ● ACTIVE |
| AEA.m.i. Engineering CO LLC | Santa Ana | — | ● ACTIVE |
Ascend Mfg CORP | Anaheim | — | ● ACTIVE |
Astro Pak LLC | Costa Mesa | — | ● ACTIVE |
Atam LLC | Santa Ana | — | ● ACTIVE |
Axis Product Development, INC | Santa Ana | — | ● ACTIVE |
B. C. Industrial Supply, INC. | Anaheim | — | ● ACTIVE |
| BMBeartech Mfg, LLC | Placentia | — | ● ACTIVE |
B & F Modern Manufacturing, INC. | Santa Ana | — | ● ACTIVE |
Campbell Engineering INC | Lake Forest | — | ● ACTIVE |
Caster Technology Corporation | Garden Grove | — | ● ACTIVE |
| CMCb Manufacturing & Engineering INC | Santa Ana | — | ● ACTIVE |
| CMCheek Machine CORP | Anaheim | 20–99 | ● ACTIVE |
Creative Objex LLC | Irvine | — | ● ACTIVE |
| CFCurtiss-wright Flow Control Corporation | Brea | — | ● ACTIVE |
| DPDaico Precision LLC | Garden Grove | — | ● ACTIVE |
Dan R. Hunt, INC | Santa Ana | — | ● ACTIVE |