| AMALCAM Medical Inc. | Corona | CA | Miscellaneous Manufacturing339113 | — | ◇ UNVERIFIED |
| ACAll City Landscape | Corona | CA | Chemical Manufacturing325510 | — | ◇ UNVERIFIED |
| AUAlmex USA INC | Corona | CA | Machinery Manufacturing333310 | — | ◇ UNVERIFIED |
| ACAlpine Cabinets | Corona | CA | Furniture and Related Product Manufacturing337127 | — | ◇ UNVERIFIED |
| ACAluminum Company of America Corona Operation | Corona | CA | Primary Metal Manufacturing331313 | — | ◇ UNVERIFIED |
| AMA M a Plastics | Corona | CA | Transportation Equipment Manufacturing336413 | — | ◇ UNVERIFIED |
| AWAmerican West B M D | Corona | CA | Furniture and Related Product Manufacturing337215 | — | ◇ UNVERIFIED |
| AIAmeriflex INC | Corona | CA | Fabricated Metal Product Manufacturing332999 | — | ◇ UNVERIFIED |
| ASAmf Support Surfaces, INC. Dba Tridien Medical | Corona | CA | Plastics and Rubber Products Manufacturing326140 | — | ◇ UNVERIFIED |
| AMA & M Ornamental Iron | Corona | CA | Fabricated Metal Product Manufacturing332312 | — | ◇ UNVERIFIED |
| ABAnderson Bros., Artistic Irons | Corona | CA | Fabricated Metal Product Manufacturing332999 | — | ◇ UNVERIFIED |
| AFAppa Fine Foods INC | Corona | CA | Food Manufacturing311612 | — | ◇ UNVERIFIED |
| ACArcher Consortia, Inc | Corona | CA | Food Manufacturing311920 | — | ◇ UNVERIFIED |
| ASAseptic Solution's Dba Flavor Artistry | Corona | CA | Beverage and Tobacco Product Manufacturing312112 | — | ◇ UNVERIFIED |
| ARAssociated Ready Mixed Concrete | Corona | CA | Nonmetallic Mineral Product Manufacturing327320 | — | ◇ UNVERIFIED |
| ASAtk Space Systems | Corona | CA | Computer and Electronic Product Manufacturing334220 | — | ◇ UNVERIFIED |
| ALAxar Laboratories INC | Corona | CA | Chemical Manufacturing325412 | — | ◇ UNVERIFIED |
| BHBag House Industrial Sheet Metal | Corona | CA | Primary Metal Manufacturing331511 | — | ◇ UNVERIFIED |
| BBagmasters | Corona | CA | Textile Product Mills314911 | — | ◇ UNVERIFIED |
| BBald | Corona | CA | Food Manufacturing311999 | — | ◇ UNVERIFIED |
| BPBc Printing Services LLC | Corona | CA | Printing and Related Support Activities323111 | — | ◇ UNVERIFIED |
| BCBender Ccp INC | Corona | CA | Primary Metal Manufacturing331221 | — | ◇ UNVERIFIED |
| BNBetter Nutritionals | Corona | CA | Chemical Manufacturing325412 | — | ◇ UNVERIFIED |
| BPBill's Pipes, INC | Corona | CA | Transportation Equipment Manufacturing336991 | — | ◇ UNVERIFIED |
| BCBlower-dempsay Corporation | Corona | CA | Paper Manufacturing322211 | — | ◇ UNVERIFIED |
| BSBono Sawdust Supply Co., INC. | Corona | NY | Wood Product Manufacturing321113 | — | ◇ UNVERIFIED |
| BRBoral Resources INC Corona Pl | Corona | CA | Petroleum and Coal Products Manufacturing324121 | — | ◇ UNVERIFIED |
| BRBorder Recapping LLC Dba Border Tire | Corona | CA | Plastics and Rubber Products Manufacturing326211 | — | ◇ UNVERIFIED |
| BCBrass Craft Corona | Corona | CA | Fabricated Metal Product Manufacturing332913 | — | ◇ UNVERIFIED |
| BRBryan Rivera | Corona | CA | Fabricated Metal Product Manufacturing332321 | — | ◇ UNVERIFIED |
| BCBwd Corporation | Corona | CA | Transportation Equipment Manufacturing336340 | — | ◇ UNVERIFIED |
| BMByson Manufacturing INC | Corona | CA | Fabricated Metal Product Manufacturing332710 | — | ◇ UNVERIFIED |
| CFCalifornia Flyers | Corona | CA | Transportation Equipment Manufacturing336412 | — | ◇ UNVERIFIED |
| CWCalifornia Wire Products | Corona | CA | Fabricated Metal Product Manufacturing332618 | — | ◇ UNVERIFIED |
| CCCalmat CO | Corona | CA | Petroleum and Coal Products Manufacturing324121 | — | ◇ UNVERIFIED |
| CPCal Precision INC | Corona | CA | Fabricated Metal Product Manufacturing332710 | — | ◇ UNVERIFIED |
| CWCal Wire Prod. CORP | Corona | CA | Fabricated Metal Product Manufacturing332618 | — | ◇ UNVERIFIED |
| CMCanon Medical Systems Usa, INC. | Corona | CA | Leather and Allied Product Manufacturing316110 | — | ◇ UNVERIFIED |
| CECarven Exhaust INC | Corona | CA | Fabricated Metal Product Manufacturing332510 | — | ◇ UNVERIFIED |
| CBCentury Blinds INC | Corona | CA | Furniture and Related Product Manufacturing337920 | — | ◇ UNVERIFIED |
| CCCharles C Regan INC Dba | Corona | CA | Petroleum and Coal Products Manufacturing324121 | — | ◇ UNVERIFIED |
| CCChroma Color Corporation | Corona | CA | Chemical Manufacturing325991 | — | ◇ UNVERIFIED |
| COCity of Corona | Corona | CA | Transportation Equipment Manufacturing336999 | — | ◇ UNVERIFIED |
| COCity of Corona - Well 7a | Corona | CA | Machinery Manufacturing333914 | — | ◇ UNVERIFIED |
| COCity Office Furniture INC | Corona | CA | Furniture and Related Product Manufacturing337211 | — | ◇ UNVERIFIED |
| CICkkm INC | Corona | CA | Fabricated Metal Product Manufacturing332322 | — | ◇ UNVERIFIED |
| CAClarcor Air Filtration Products | Corona | CA | Miscellaneous Manufacturing339999 | — | ◇ UNVERIFIED |
| CAClass a Precision, INC. | Corona | CA | Fabricated Metal Product Manufacturing332321 | — | ◇ UNVERIFIED |
| CClearpack | Corona | CA | Plastics and Rubber Products Manufacturing326199 | — | ◇ UNVERIFIED |
| CVClow Valve Company | Corona | CA | Primary Metal Manufacturing331522 | — | ◇ UNVERIFIED |
