| CECheek Engineering | Irvine | CA | Fabricated Metal Product Manufacturing332119 | — | ◇ UNVERIFIED |
| DPDba Par Pharmaceutical | Irvine | CA | Chemical Manufacturing325412 | — | ◇ UNVERIFIED |
| EIEnthone INC | Irvine | CA | Chemical Manufacturing325188 | — | ◇ UNVERIFIED |
| HCHenkel Corporation | Irvine | CA | Chemical Manufacturing325520 | — | ◇ UNVERIFIED |
| HRHolliday Rock - Irvine | Irvine | CA | Nonmetallic Mineral Product Manufacturing327320 | — | ◇ UNVERIFIED |
| KEKaiser Electroprecision | Irvine | CA | Computer and Electronic Product Manufacturing334511 | — | ◇ UNVERIFIED |
| KAKyowa America CORP | Irvine | CA | Plastics and Rubber Products Manufacturing326199 | — | ◇ UNVERIFIED |
| MAMarcums Auto Sales | Irvine | KY | Transportation Equipment Manufacturing336211 | — | ◇ UNVERIFIED |
| MUMarukome USA | Irvine | CA | Miscellaneous Manufacturing339112 | — | ◇ UNVERIFIED |
| MMedennium | Irvine | CA | Miscellaneous Manufacturing339115 | — | ◇ UNVERIFIED |
| MOMeggit Orange County INC | Irvine | CA | Computer and Electronic Product Manufacturing334519 | — | ◇ UNVERIFIED |
| MCMitsubishi Chemical Carbon Fiber&composi | Irvine | CA | Chemical Manufacturing325520 | — | ◇ UNVERIFIED |
| NRNational Ready Mix Concrete CO | Irvine | CA | Nonmetallic Mineral Product Manufacturing327320 | — | ◇ UNVERIFIED |
| OIOmniprint International | Irvine | CA | Chemical Manufacturing325910 | — | ◇ UNVERIFIED |
| PHParker Hannifin CORP | Irvine | CA | Transportation Equipment Manufacturing336411 | — | ◇ UNVERIFIED |
| PDPrc Desoto International, INC. (dba Ppg Aerospace) | Irvine | CA | Chemical Manufacturing325510 | — | ◇ UNVERIFIED |
| RDRacal Dana Instruments INC | Irvine | CA | Computer and Electronic Product Manufacturing334515 | — | ◇ UNVERIFIED |
| RERicoh Electronics INC | Irvine | CA | Chemical Manufacturing325992 | — | ◇ UNVERIFIED |
| SCSanmina Corporation | Irvine | CA | Computer and Electronic Product Manufacturing334412 | — | ◇ UNVERIFIED |
| SSSeal Science INC | Irvine | CA | Plastics and Rubber Products Manufacturing326291 | — | ◇ UNVERIFIED |
| SLSmart Levels Media | Irvine | CA | Printing and Related Support Activities323111 | — | ◇ UNVERIFIED |
| SBSorin Biomedical INC | Irvine | CA | Miscellaneous Manufacturing339112 | — | ◇ UNVERIFIED |
| TCT C Cosmotronic INC Dba Cosmotronic | Irvine | CA | Computer and Electronic Product Manufacturing334412 | — | ◇ UNVERIFIED |
| TFTropitone Furniture CO INC | Irvine | CA | Furniture and Related Product Manufacturing337121 | — | ◇ UNVERIFIED |
| VVVerdict Vapors | Irvine | CA | Chemical Manufacturing325411 | — | ◇ UNVERIFIED |
| ZCZygo Corporation | Irvine | CA | Machinery Manufacturing333310 | — | ◇ UNVERIFIED |
| AIAddtac INC | Irvine | CA | Fabricated Metal Product Manufacturing332710 | — | ◐ LIKELY ACTIVE |
| ASAdvanced Sterilization Products, Irvine | Irvine | CA | Miscellaneous Manufacturing339112 | 500+ | ◐ LIKELY ACTIVE |
| AIAerospace Irvine Ca | Irvine | CA | Fabricated Metal Product Manufacturing332912 | 100-499 | ◐ LIKELY ACTIVE |
| AIAerospace Irvine FSD | Irvine | CA | Transportation Equipment Manufacturing336413 | 100-499 | ◐ LIKELY ACTIVE |
| AIAerospace Irvine MFCD | Irvine | CA | Transportation Equipment Manufacturing336412 | 500+ | ◐ LIKELY ACTIVE |
| AIA-info INC | Irvine | CA | Computer and Electronic Product Manufacturing334515 | — | ◐ LIKELY ACTIVE |
| ASAmica Software | Irvine | CA | Chemical Manufacturing325910 | 20-99 | ◐ LIKELY ACTIVE |
| ALAmpx LLC | Irvine | CA | Fabricated Metal Product Manufacturing332999 | — | ◐ LIKELY ACTIVE |
| ATAstronics Test Systems INC | Irvine | CA | Computer and Electronic Product Manufacturing334515 | — | ◐ LIKELY ACTIVE |
| ATAtc Telecom CORP | Irvine | CA | Computer and Electronic Product Manufacturing334290 | — | ◐ LIKELY ACTIVE |
| ACAuravolt CORP. | Irvine | CA | Electrical Equipment, Appliance & Component Manufacturing335910 | — | ◐ LIKELY ACTIVE |
| BYBafang Yunji Foods LLC | Irvine | CA | Food Manufacturing311612 | — | ◐ LIKELY ACTIVE |
| BBB. Braun Medical Inc. Alton Site | Irvine | CA | Chemical Manufacturing325412 | 100-499 | ◐ LIKELY ACTIVE |
| BIBioray, INC. | Irvine | CA | Chemical Manufacturing325411 | — | ◐ LIKELY ACTIVE |
Boston Scientific - Axonics | Irvine | CA | Miscellaneous Manufacturing339113 | 100-499 | ◐ LIKELY ACTIVE |
| BIBsa Intercontinental, LLC. | Irvine | CA | Paper Manufacturing322212 | — | ◐ LIKELY ACTIVE |
| CICalifornia Irvine 4 Jenner Street | Irvine | CA | Nonmetallic Mineral Product Manufacturing327991 | 1-19 | ◐ LIKELY ACTIVE |
| CICalifornia, Irvine 6001 Oak Canyon STE 300 | Irvine | CA | Miscellaneous Manufacturing339112 | 500+ | ◐ LIKELY ACTIVE |
| CICalifornia Irvine 75 Doppler | Irvine | CA | Nonmetallic Mineral Product Manufacturing327991 | 1-19 | ◐ LIKELY ACTIVE |
| CLClinical Laserthermia Systems Americas, INC. | Irvine | CA | Miscellaneous Manufacturing339112 | — | ◐ LIKELY ACTIVE |
| CDContinuum Diagnostics LLC | Irvine | CA | Miscellaneous Manufacturing339112 | — | ◐ LIKELY ACTIVE |
| CICummins INC | Irvine | CA | Machinery Manufacturing333618 | — | ◐ LIKELY ACTIVE |
| CSCummins Sales & Service - Irvine | Irvine | CA | Machinery Manufacturing333618 | 1-19 | ◐ LIKELY ACTIVE |
| EAEaton Aerospace LLC | Irvine | CA | Transportation Equipment Manufacturing336413 | — | ◐ LIKELY ACTIVE |