| CACalifornia Aseptic Beverages LLC | Fontana | CA | Food Manufacturing311411 | — | ◇ UNVERIFIED |
| CACalifornia Automotive Sealing | Hayward | CA | Miscellaneous Manufacturing339113 | — | ◇ UNVERIFIED |
| CBCalifornia Box Company | Santa Fe Springs | CA | Paper Manufacturing322211 | — | ◇ UNVERIFIED |
| CBCalifornia Button Company | Anaheim | CA | Miscellaneous Manufacturing339950 | — | ◇ UNVERIFIED |
| CDCalifornia Dried Fruit INC. | Fresno | CA | Food Manufacturing311411 | 20-99 | ◇ UNVERIFIED |
| CECalifornia Electronic Asset Recovery-lemay | Mather | CA | Machinery Manufacturing333319 | — | ◇ UNVERIFIED |
| CHCalifornia Hazardous Svcs INC | Santa Ana | CA | Transportation Equipment Manufacturing336390 | — | ◇ UNVERIFIED |
| CLCalifornia Litho-arts | Los Angeles | CA | Printing and Related Support Activities323110 | — | ◇ UNVERIFIED |
| CMCalifornia Marine Cleaning INC | San Diego | CA | Transportation Equipment Manufacturing336611 | — | ◇ UNVERIFIED |
| CPCalifornia Packaging Centers | Ontario | CA | Food Manufacturing311423 | — | ◇ UNVERIFIED |
| CPCalifornia Paperboard Corporation | Santa Clara | CA | Paper Manufacturing322130 | — | ◇ UNVERIFIED |
| CPCalifornia Plastix INC | Pomona | CA | Furniture and Related Product Manufacturing337215 | — | ◇ UNVERIFIED |
| CPCalifornia Polishing & Plating | Paramount | CA | Fabricated Metal Product Manufacturing332813 | — | ◇ UNVERIFIED |
| CQCalifornia Quality Plastics | Ontario | CA | Plastics and Rubber Products Manufacturing326111 | — | ◇ UNVERIFIED |
| CRCalifornia Redwood CO Korbel Sawmill | Korbel | CA | Wood Product Manufacturing321113 | — | ◇ UNVERIFIED |
| CSCalifornia State Prison - Solano | Vacaville | CA | Printing and Related Support Activities323121 | — | ◇ UNVERIFIED |
| CSCalifornia State University at Los Angeles | Los Angeles | CA | Nonmetallic Mineral Product Manufacturing327999 | — | ◇ UNVERIFIED |
| CTCalifornia Technical Plating CORP | San Fernando | CA | Fabricated Metal Product Manufacturing332813 | — | ◇ UNVERIFIED |
| CWCalifornia Waste Solutions | Oakland | CA | Primary Metal Manufacturing331000 | — | ◇ UNVERIFIED |
| CJCal Jun INC | North Hollywood | CA | Furniture and Related Product Manufacturing337215 | — | ◇ UNVERIFIED |
| CCCalmat CO Fresno | Fresno | CA | Petroleum and Coal Products Manufacturing324121 | — | ◇ UNVERIFIED |
| COCalmat of Central California | Bakersfield | CA | Petroleum and Coal Products Manufacturing324121 | — | ◇ UNVERIFIED |
| CPCalpine Pittsburg, LLC | Pittsburg | CA | Chemical Manufacturing325181 | — | ◇ UNVERIFIED |
| CICalplant I LLC | Willows | CA | Wood Product Manufacturing321219 | — | ◇ UNVERIFIED |
 Calportland Construction - Templeton | Paso Robles | CA | Petroleum and Coal Products Manufacturing324121 | — | ◇ UNVERIFIED |
| CSCal Sheets LLC | Stockton | CA | Paper Manufacturing322211 | — | ◇ UNVERIFIED |
| CCCalstone Company | San Martin | CA | Nonmetallic Mineral Product Manufacturing327320 | — | ◇ UNVERIFIED |
| CSCal St Univ Northridge | Northridge | CA | Nonmetallic Mineral Product Manufacturing327999 | — | ◇ UNVERIFIED |
| CTCal Tech Metal Finishers INC | Oakland | CA | Fabricated Metal Product Manufacturing332813 | — | ◇ UNVERIFIED |
| CPCal-western Paints INC | Santa Fe Springs | CA | Chemical Manufacturing325510 | — | ◇ UNVERIFIED |
| CCameron | Pittsburg | CA | Plastics and Rubber Products Manufacturing326199 | — | ◇ UNVERIFIED |
| CUCamino Union School District | Camino | CA | Transportation Equipment Manufacturing336350 | — | ◇ UNVERIFIED |
| CGCampbell Grinding | Lodi | CA | Fabricated Metal Product Manufacturing332721 | — | ◇ UNVERIFIED |
| CFCannon Fabrication INC | Corona | CA | Fabricated Metal Product Manufacturing332312 | — | ◇ UNVERIFIED |
| CBCanon Business Machines INC | Costa Mesa | CA | Machinery Manufacturing333310 | — | ◇ UNVERIFIED |
| CDCapital Drum | Roseville | CA | Paper Manufacturing322214 | — | ◇ UNVERIFIED |
| CMCapitol Machine | Santa Ana | CA | Fabricated Metal Product Manufacturing332721 | — | ◇ UNVERIFIED |
| CICaplugs INC | Rancho Dominguez | CA | Plastics and Rubber Products Manufacturing326199 | — | ◇ UNVERIFIED |
| CHCaptek Holdings INC | Vista | CA | Chemical Manufacturing325998 | — | ◇ UNVERIFIED |
| CICarbonlite Industries LLC | Riverside | CA | Plastics and Rubber Products Manufacturing326199 | — | ◇ UNVERIFIED |
| CCCardinal Cg | Moreno Valley | CA | Nonmetallic Mineral Product Manufacturing327215 | — | ◇ UNVERIFIED |
| CCCardinal Cg | Galt | CA | Nonmetallic Mineral Product Manufacturing327211 | — | ◇ UNVERIFIED |
| CCCardinal Church Furniture | Azusa | CA | Furniture and Related Product Manufacturing337127 | — | ◇ UNVERIFIED |
| CICardinal Industrial Finishes 3 | City of Industry | CA | Chemical Manufacturing325510 | — | ◇ UNVERIFIED |
| CCCareer Cap Corporation | Chula Vista | CA | Apparel Manufacturing315212 | — | ◇ UNVERIFIED |
| CTCarlsbad Technology INC | Carlsbad | CA | Chemical Manufacturing325412 | — | ◇ UNVERIFIED |
| CBCarlson & Beauloye Machine Shop INC | San Diego | CA | Fabricated Metal Product Manufacturing332813 | — | ◇ UNVERIFIED |
| CZCarl Zeiss Meditec | Dublin | CA | Fabricated Metal Product Manufacturing332994 | — | ◇ UNVERIFIED |
 Carpenter Technology Dba Mb Calram LLC | Camarillo | CA | Primary Metal Manufacturing331110 | — | ◇ UNVERIFIED |
| CCCarrier Corporation Bdp Compan | Rowland Heights | CA | Transportation Equipment Manufacturing336390 | — | ◇ UNVERIFIED |
