| BHBayer Healthcare Pharmaceuticals | Berkeley | CA | Chemical Manufacturing325412 | — | ◐ LIKELY ACTIVE |
| BTBfi - the Recyclery - Landfill | San Jose | CA | Chemical Manufacturing325314 | — | ◐ LIKELY ACTIVE |
| BIBiocheck INC | Pleasant Hill | CA | Chemical Manufacturing325413 | — | ◐ LIKELY ACTIVE |
| BPBiomarin Pharmaceutical | Novato | CA | Chemical Manufacturing325412 | 500+ | ◐ LIKELY ACTIVE |
| BPBiomarin Pharmaceutical INC | San Rafael | CA | Chemical Manufacturing325412 | — | ◐ LIKELY ACTIVE |
| BPBiomarin Pharmaceutical INC. | Novato | CA | Chemical Manufacturing325412 | 500+ | ◐ LIKELY ACTIVE |
| BIBiomerics Interventional Medical Plastics LLC | Fairfield | CA | Chemical Manufacturing325211 | 20-99 | ◐ LIKELY ACTIVE |
Bio-rad Laboratories | Richmond | CA | Food Manufacturing311612 | — | ◐ LIKELY ACTIVE |
Bio-rad Laboratories | Irvine | CA | Chemical Manufacturing325413 | — | ◐ LIKELY ACTIVE |
| BPBlue Planet Systems Corporation | Los Gatos | CA | Chemical Manufacturing325120 | 1-19 | ◐ LIKELY ACTIVE |
| BRBryant Rubber Corporation | Long Beach | CA | Chemical Manufacturing325212 | 20-99 | ◐ LIKELY ACTIVE |
| CCCalifornia Cartage Company LLC | Carson | CA | Chemical Manufacturing325611 | — | ◐ LIKELY ACTIVE |
| CTCali Toner LLC | La Puente | CA | Chemical Manufacturing325992 | 1-19 | ◐ LIKELY ACTIVE |
| CMCanon Medical Diagnostics USA | Mountain View | CA | Chemical Manufacturing325412 | — | ◐ LIKELY ACTIVE |
Carbon Activated Corporation- 250 | Compton | CA | Chemical Manufacturing325998 | 20-99 | ◐ LIKELY ACTIVE |
| CGCell Genesys | S San Francisco | CA | Chemical Manufacturing325414 | — | ◐ LIKELY ACTIVE |
| CCChemcor Chemical | Chino | CA | Chemical Manufacturing325612 | 20-99 | ◐ LIKELY ACTIVE |
| CCChemex Chemicals INC | Bakersfield | CA | Chemical Manufacturing325180 | — | ◐ LIKELY ACTIVE |
| CMChevron Marine Products LLC | San Ramon | CA | Petroleum and Coal Products Manufacturing324191 | — | ◐ LIKELY ACTIVE |
| CSChinchiolo Stemilt | Stockton | CA | Chemical Manufacturing325320 | — | ◐ LIKELY ACTIVE |
| CCCliniqa Corporation | San Marcos | CA | Chemical Manufacturing325413 | — | ◐ LIKELY ACTIVE |
| CCClinqa Corporation | San Marcos | CA | Chemical Manufacturing325413 | — | ◐ LIKELY ACTIVE |
| CCColourpop Cosmetics LLC | Oxnard | CA | Chemical Manufacturing325620 | 20-99 | ◐ LIKELY ACTIVE |
| CPCosmic Plastics INC | Valencia | CA | Chemical Manufacturing325211 | 20-99 | ◐ LIKELY ACTIVE |
| CRCustom Research Labs, INC. | Gardena | CA | Chemical Manufacturing325620 | 20-99 | ◐ LIKELY ACTIVE |
| CICytohub INC | San Diego | CA | Chemical Manufacturing325412 | — | ◐ LIKELY ACTIVE |
| DMDaily Manufacturing | Fontana | CA | Chemical Manufacturing325620 | — | ◐ LIKELY ACTIVE |
| DAD Aircraft | Anaheim | CA | Chemical Manufacturing325212 | 20-99 | ◐ LIKELY ACTIVE |
| DLDermalogica LLC | Carson | CA | Chemical Manufacturing325620 | — | ◐ LIKELY ACTIVE |
| DIDeveloplus INC | Corona | CA | Chemical Manufacturing325611 | 100-499 | ◐ LIKELY ACTIVE |
| DDDhanoa Daljit S | Del Mar | CA | Chemical Manufacturing325412 | 1-19 | ◐ LIKELY ACTIVE |
| DBDiagnostic Biosystems INC | Pleasanton | CA | Chemical Manufacturing325413 | — | ◐ LIKELY ACTIVE |
| DFDiagnostics for the Real World LTD | Morgan Hill | CA | Chemical Manufacturing325413 | — | ◐ LIKELY ACTIVE |
| DPDouglas Products - Pittsburg Ai Plant | Pittsburg | CA | Chemical Manufacturing325320 | — | ◐ LIKELY ACTIVE |
| DBDr. Bronner's Vista Plant | Vista | CA | Chemical Manufacturing325620 | 100-499 | ◐ LIKELY ACTIVE |
| DDDxterity Diagnostics INC | Torrance | CA | Chemical Manufacturing325413 | — | ◐ LIKELY ACTIVE |
| EIElite Industrial Coatings, INC | Mcclellan | CA | Chemical Manufacturing325510 | 1-19 | ◐ LIKELY ACTIVE |
| FBFoggy Bottom Distillrey | Los Osos | CA | Chemical Manufacturing325998 | — | ◐ LIKELY ACTIVE |
| FSFour Star Chemical | Los Angeles | CA | Chemical Manufacturing325199 | — | ◐ LIKELY ACTIVE |
| FFFoxfarm Fertilizer, LLC | Samoa | CA | Chemical Manufacturing325311 | 20-99 | ◐ LIKELY ACTIVE |
| FBFujifilm Biosciences | Santa Ana | CA | Chemical Manufacturing325414 | 100-499 | ◐ LIKELY ACTIVE |
| FDFujifilm Dipsynth Biotechnology California INC Dba Fdbc | Thousand Oaks | CA | Chemical Manufacturing325412 | 100-499 | ◐ LIKELY ACTIVE |
| GIGenentech INC South Campus | S San Francisco | CA | Chemical Manufacturing325414 | — | ◐ LIKELY ACTIVE |
| GSGeneral Sealants, Inc. | City of Industry | CA | Chemical Manufacturing325520 | 100-499 | ◐ LIKELY ACTIVE |
| GLGilmore Liquid Air CO. | South El Monte | CA | Chemical Manufacturing325120 | — | ◐ LIKELY ACTIVE |
| GLGmp Laboratories of America INC | Anaheim | CA | Chemical Manufacturing325411 | 100-499 | ◐ LIKELY ACTIVE |
| GBGreengro Biologicals LLC | Windsor | CA | Chemical Manufacturing325314 | — | ◐ LIKELY ACTIVE |
| GZGreenWaste Z-Best Composting Facility | Gilroy | CA | Chemical Manufacturing325314 | 20-99 | ◐ LIKELY ACTIVE |
| GSGrifols San Diego | San Diego | CA | Chemical Manufacturing325413 | — | ◐ LIKELY ACTIVE |
| HAHammerhead Aviation LLC | El Cajon | CA | Chemical Manufacturing325520 | 20-99 | ◐ LIKELY ACTIVE |