| PRPlasma Ruggedized Solutions, INC. | Huntington Beach | — | ◐ LIKELY ACTIVE |
| PIPro-dex INC | Tustin | — | ◐ LIKELY ACTIVE |
| PIPro-dex INC | Irvine | — | ◐ LIKELY ACTIVE |
| PSPvl Signs & Graphics INC | Tustin | 1–19 | ◐ LIKELY ACTIVE |
Reflow Medical INC | Lake Forest | — | ◐ LIKELY ACTIVE |
| TDTandem Diabetes Care INC | Irvine | — | ◐ LIKELY ACTIVE |
| TIThe Irvine Company | Irvine | 1–19 | ◐ LIKELY ACTIVE |
| TNToro Neurovascular INC | Irvine | — | ◐ LIKELY ACTIVE |
| ZMZOLL Medical Corporation - Irvine, CA. | Irvine | 20–99 | ◐ LIKELY ACTIVE |
| AMApplied Medical Resources Corporation | Irvine | — | ◐ LIKELY ACTIVE |
| ASAp Seedorf & CO INC Dba Seedorff Acme Group | Anaheim | 1–19 | ◐ LIKELY ACTIVE |
| JKJohn Kennedy | Tustin | 1–19 | ◐ LIKELY ACTIVE |
| KPKings Powder Coat Service LLC | Anaheim | 20–99 | ◐ LIKELY ACTIVE |
| ODOutdoor Dimensions | Anaheim | — | ◐ LIKELY ACTIVE |
| SSStewart Surfboards Inc. | San Clemente | 1–19 | ◐ LIKELY ACTIVE |
| VMVertos Medical | Aliso Viejo | 20–99 | ◐ LIKELY ACTIVE |
| AMAckley Metal Products | Santa Ana | — | ◇ UNVERIFIED |
| AMAdvanced Medical Optics | Santa Ana | — | ◇ UNVERIFIED |
| ARA & R Powder Coating INC. | Anaheim | — | ◇ UNVERIFIED |
| APAustin Plastic INC | Huntington Beach | — | ◇ UNVERIFIED |
Avon Protection Systems, INC. | Irvine | — | ◇ UNVERIFIED |
| BAB and B Enameling Incorporated | Huntington Beach | — | ◇ UNVERIFIED |
| BCBeckman Coulter, INC. | Brea | — | ◇ UNVERIFIED |
| CBCalifornia Button Company | Anaheim | — | ◇ UNVERIFIED |
| JTJason Tool & Engineering INC | Garden Grove | — | ◇ UNVERIFIED |
| JIJvr INC Dba. Talsco | Garden Grove | 20–99 | ◇ UNVERIFIED |
| KMKanstul Musical Instruments | Anaheim | — | ◇ UNVERIFIED |
| KAKyowa America Corporation | Costa Mesa | — | ◇ UNVERIFIED |
| MUMarukome USA | Irvine | — | ◇ UNVERIFIED |
| MTMicrovention Terumo | Tustin | — | ◇ UNVERIFIED |
| NCNewport CORP | Fountain Valley | — | ◇ UNVERIFIED |
| PPPerformance Powder INC | Anaheim | — | ◇ UNVERIFIED |
| PPPrecision Painting | Anaheim | — | ◇ UNVERIFIED |
| SMSignet Marking Devices | Costa Mesa | — | ◇ UNVERIFIED |
| SBSorin Biomedical INC | Irvine | — | ◇ UNVERIFIED |
| SSStaybridge Suites Anaheim at the Park | Anaheim | — | ◇ UNVERIFIED |
| WTWaterline Technologies, Inc., Psoc | Santa Ana | — | ◇ UNVERIFIED |
| ASAdvanced Sterilization Products, Irvine | Irvine | 500+ | ◐ LIKELY ACTIVE |
| AMAftco Mfg Co, INC | Santa Ana | 20–99 | ◐ LIKELY ACTIVE |
Boston Scientific - Axonics | Irvine | 100–499 | ◐ LIKELY ACTIVE |
| CICalifornia, Irvine 6001 Oak Canyon STE 300 | Irvine | 500+ | ◐ LIKELY ACTIVE |
| CMConfluent Medical Technologies, Laguna Niguel | Laguna Niguel | 20–99 | ◐ LIKELY ACTIVE |
| DNDental: Nobel Biocare - Yorba Linda | Yorba Linda | 100–499 | ◐ LIKELY ACTIVE |
Edwards Lifesciences LLC | Irivne | 500+ | ◐ LIKELY ACTIVE |
| EDEvolve Dental Technologies, Inc. | Irvine | 20–99 | ◐ LIKELY ACTIVE |
| FWFlame & Wax Inc. | Irvine | 100–499 | ◐ LIKELY ACTIVE |
| ICInsulet Corporation | Irvine California | 20–99 | ◐ LIKELY ACTIVE |
| IIrvine-3mus-ca | Irvine | 1–19 | ◐ LIKELY ACTIVE |
| ISIrvine-ca-tca Service Center | Irvine | 1–19 | ◐ LIKELY ACTIVE |
| ICIrvine, CA, USA-MFG | Irvine | 100–499 | ◐ LIKELY ACTIVE |