| APAmeron Protective Coat Div (eis&nsr Use) | Brea | — | ◇ UNVERIFIED |
| AFAm Finishing INC | Anaheim | — | ◇ UNVERIFIED |
| AAmparo | Anaheim | — | ◇ UNVERIFIED |
| APAnchen Pharmaceuticals, INC | Irvine | — | ◇ UNVERIFIED |
| APAnchen Pharmaceuticals, INC. | Irvine | — | ◇ UNVERIFIED |
| AIAnsys Incorporated | Irvine | — | ◇ UNVERIFIED |
| AIAperion INC | Mission Viejo | — | ◇ UNVERIFIED |
| AMApi Mfg Facility Bausch Health Care | Irvine | — | ◇ UNVERIFIED |
| AIArdrox Incorporated | La Mirada | — | ◇ UNVERIFIED |
| ALAryzta LLC | Santa Ana | — | ◇ UNVERIFIED |
| APAuro Pharmacies INC Dba Central Drugs | La Habra | — | ◇ UNVERIFIED |
 Avid Bioservices INC | Costa Mesa | — | ◇ UNVERIFIED |
| ABAvrio Biopharmaceuticals, LLC | Irvine | — | ◇ UNVERIFIED |
| BCBasf Corporation | Fullerton | — | ◇ UNVERIFIED |
| BABausch and Lomb Americas INC. | Irvine | — | ◇ UNVERIFIED |
| BPBehr Process CORP | Santa Ana | — | ◇ UNVERIFIED |
| BPBehr Process Corp, Behr Yale Facility | Santa Ana | — | ◇ UNVERIFIED |
 Bella Phytologic Inc | Orange | — | ◇ UNVERIFIED |
| BFBest Formulations | Huntington Beach | — | ◇ UNVERIFIED |
| BNBilly Nguyen | Garden Grove | — | ◇ UNVERIFIED |
 Biocare Medical INC | Irvine | — | ◇ UNVERIFIED |
 Bio Rad Laboratories | Irvine | — | ◇ UNVERIFIED |
| BLBiorad Laboratories | Irvine | — | ◇ UNVERIFIED |
| BIBioscrip Infusion Services INC | Irvine | — | ◇ UNVERIFIED |
| BDBlack Diamond Stoneworks Inc. | San Clemente | — | ◇ UNVERIFIED |
| BLB Lite Optical INC | Fountain Valley | — | ◇ UNVERIFIED |
| BCBlue California | Foothill Center | — | ◇ UNVERIFIED |
| BMBotanica Medella LLC | Irvine | — | ◇ UNVERIFIED |
| BLBotanx LLC | Anaheim | — | ◇ UNVERIFIED |
| BABrent America Incorporated | La Mirada | — | ◇ UNVERIFIED |
| BBBristlecone Biosciences INC | Brea | — | ◇ UNVERIFIED |
| BCBurtin Corporation | Santa Ana | — | ◇ UNVERIFIED |
| CFCal Fuel, INC. | Cypress | — | ◇ UNVERIFIED |
| CFCal Fuel, INC. | Garden Grove | — | ◇ UNVERIFIED |
| CMCalmo Manufacturing INC | Huntington Beach | — | ◇ UNVERIFIED |
| CUCanon USA INC | Irvine | — | ◇ UNVERIFIED |
| CHCanusa Holdings LLC Dba 360 Branded | Orange | — | ◇ UNVERIFIED |
| CHCardinal Health 414 LLC | Placentia | — | ◇ UNVERIFIED |
| CICargill INC | Fullerton | — | ◇ UNVERIFIED |
| CICellese INC | Irvine | — | ◇ UNVERIFIED |
| CPCereus Product Development, INC. | Irvine | — | ◇ UNVERIFIED |
| CLCg4 LLC | Garden Grove | — | ◇ UNVERIFIED |
| CRChipman Relocations & Logistics | Garden Grove | — | ◇ UNVERIFIED |
| CIChromadex INC | Irvine | — | ◇ UNVERIFIED |
| COCity of Huntington Beach | Huntington Beach | — | ◇ UNVERIFIED |
| COCity of Santa Ana Main Library | Santa Ana | — | ◇ UNVERIFIED |
| CFClark Foam Prod Gordon Clark | Laguna Niguel | — | ◇ UNVERIFIED |
| CIClindatrix INC | Irvine | — | ◇ UNVERIFIED |
| CFClinical Formula LLC | Newport Beach | — | ◇ UNVERIFIED |
| CRClinical Resolution Laboratory INC | Brea | — | ◇ UNVERIFIED |
