| MLMedalliance LLC | Irvine | CA | Miscellaneous Manufacturing339113 | — | ◐ LIKELY ACTIVE |
| MDMeggitt Defense Systems INC | Irvine | CA | Fabricated Metal Product Manufacturing332995 | 100-499 | ◐ LIKELY ACTIVE |
| OBOrange Bakery INC | Irvine | CA | Food Manufacturing311812 | 20-99 | ◐ LIKELY ACTIVE |
| OBOrange Bakery INC | Irvine | CA | Food Manufacturing311812 | 20-99 | ◐ LIKELY ACTIVE |
| OCOrange County Printing | Irvine | CA | Printing and Related Support Activities323111 | 20-99 | ◐ LIKELY ACTIVE |
| PEPair Eyewear | Irvine | CA | Miscellaneous Manufacturing339999 | — | ◐ LIKELY ACTIVE |
| PCParker-hannifin Corporation | Irvine | CA | Fabricated Metal Product Manufacturing332912 | — | ◐ LIKELY ACTIVE |
| PCParker-hannifin Corporation | Irvine | CA | Fabricated Metal Product Manufacturing332912 | — | ◐ LIKELY ACTIVE |
| PIPlanet Innovation Products INC. | Irvine | CA | Paper Manufacturing322291 | — | ◐ LIKELY ACTIVE |
| PIPro-dex INC | Irvine | CA | Miscellaneous Manufacturing339112 | — | ◐ LIKELY ACTIVE |
| SISimpro International LLC | Irvine | CA | Machinery Manufacturing333914 | — | ◐ LIKELY ACTIVE |
| TDTandem Diabetes Care INC | Irvine | CA | Miscellaneous Manufacturing339113 | — | ◐ LIKELY ACTIVE |
| TTTargeted Therapy Technologies, LLC | Irvine | CA | Chemical Manufacturing325412 | — | ◐ LIKELY ACTIVE |
| TMTdk Magnetic Tape | Irvine | CA | Transportation Equipment Manufacturing336413 | — | ◐ LIKELY ACTIVE |
| TAThales Avionics INC CA | Irvine | CA | Primary Metal Manufacturing331523 | 100-499 | ◐ LIKELY ACTIVE |
| TDThe Dot Printer | Irvine | CA | Printing and Related Support Activities323111 | — | ◐ LIKELY ACTIVE |
| TIThe Irvine Company | Irvine | CA | Printing and Related Support Activities323111 | 1-19 | ◐ LIKELY ACTIVE |
| TNToro Neurovascular INC | Irvine | CA | Miscellaneous Manufacturing339113 | — | ◐ LIKELY ACTIVE |
| VGVillage Green Foods INC. | Irvine | CA | Food Manufacturing311612 | — | ◐ LIKELY ACTIVE |
| ZMZOLL Medical Corporation - Irvine, CA. | Irvine | CA | Computer and Electronic Product Manufacturing334517 | 20-99 | ◐ LIKELY ACTIVE |
| AMApplied Medical Resources Corporation | Irvine | CA | Miscellaneous Manufacturing339112 | — | ◐ LIKELY ACTIVE |
| AFAti Forged Products | Irvine | CA | Fabricated Metal Product Manufacturing332112 | — | ◐ LIKELY ACTIVE |
| CICemex Irvine Plant | Irvine | CA | Nonmetallic Mineral Product Manufacturing327320 | — | ◐ LIKELY ACTIVE |
| ENEllwood Natl Steel | Irvine | PA | Fabricated Metal Product Manufacturing332111 | — | ◐ LIKELY ACTIVE |
| HRHolliday Rock - Irvine | Irvine | CA | Nonmetallic Mineral Product Manufacturing327320 | — | ◐ LIKELY ACTIVE |
| MCMitsubishi Chemical Carbon Fiber&composi | Irvine | CA | Chemical Manufacturing325520 | — | ◐ LIKELY ACTIVE |
| NRNational Ready Mix Concrete CO | Irvine | CA | Nonmetallic Mineral Product Manufacturing327320 | — | ◐ LIKELY ACTIVE |
| SCShur-lok CORP | Irvine | CA | Fabricated Metal Product Manufacturing332722 | — | ◐ LIKELY ACTIVE |
| 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 |
| 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 |
| CSCummins Sales & Service - Irvine | Irvine | CA | Machinery Manufacturing333618 | 1-19 | ◐ LIKELY ACTIVE |
| EAEaton Aerospace LLC | Irvine | CA | Transportation Equipment Manufacturing336413 | — | ◐ LIKELY ACTIVE |