| HIHocking International Laboratories | San Marcos | CA | Chemical Manufacturing325611 | 100-499 | ◐ LIKELY ACTIVE |
| HIHoneywell International | Santa Clara | CA | Chemical Manufacturing325998 | — | ◐ LIKELY ACTIVE |
| MNMerle Norman Cosmetics INC | Los Angeles | CA | Chemical Manufacturing325620 | 100-499 | ◐ LIKELY ACTIVE |
| NINovartis Institutes for Biomedical Research INC | Emeryville | CA | Chemical Manufacturing325412 | — | ◐ LIKELY ACTIVE |
Nycote Laboratories Corporation | North Hollywood | CA | Chemical Manufacturing325510 | — | ◐ LIKELY ACTIVE |
| PAPerson and Covey | Glendale | CA | Chemical Manufacturing325412 | 20-99 | ◐ LIKELY ACTIVE |
| PTPliant Therapeutics INC. | South San Francisco | CA | Chemical Manufacturing325412 | — | ◐ LIKELY ACTIVE |
| RIRepsco, INC. | Modesto | CA | Chemical Manufacturing325991 | 20-99 | ◐ LIKELY ACTIVE |
| SVSearles Valley Minerals INC. | Trona | CA | Chemical Manufacturing325188 | — | ◐ LIKELY ACTIVE |
| SPSparsha Pharma USA INC | Oceanside | CA | Chemical Manufacturing325412 | 1-19 | ◐ LIKELY ACTIVE |
| WSWestcoat Specialty Coatings Systems | San Diego | CA | Chemical Manufacturing325510 | 20-99 | ◐ LIKELY ACTIVE |
| XIXandex INC | Petaluma | CA | Chemical Manufacturing325199 | 20-99 | ◐ LIKELY ACTIVE |
| ZPZodiac Pool Systems | Vista | CA | Chemical Manufacturing325413 | — | ◐ LIKELY ACTIVE |
| ANAcp Noxtat, INC. | Santa Ana | CA | Chemical Manufacturing325211 | 1-19 | ◇ UNVERIFIED |
| AFArmstrong Flooring INC | South Gate | CA | Chemical Manufacturing325520 | — | ◇ UNVERIFIED |
| APAstc Polymers INC | Santa Ana | CA | Chemical Manufacturing325211 | 1-19 | ◇ UNVERIFIED |
| BIBrizon INC | Escondido | CA | Chemical Manufacturing325998 | 1-19 | ◇ UNVERIFIED |
| CPCal Pac Chemical CO INC | Huntington Park | CA | Chemical Manufacturing325611 | — | ◇ UNVERIFIED |
| CCConcrete Chemicals | San Carlos | CA | Chemical Manufacturing325998 | 1-19 | ◇ UNVERIFIED |
| CGCosmetic Group USA INC | Sun Valley | CA | Chemical Manufacturing325611 | 100-499 | ◇ UNVERIFIED |
| CPC&r Plating INC | Los Angeles | CA | Chemical Manufacturing325510 | — | ◇ UNVERIFIED |
| CPCure Pharmaceutical | Oxnard | CA | Chemical Manufacturing325411 | 20-99 | ◇ UNVERIFIED |
| GCGabels Cosmetics | Los Angeles | CA | Chemical Manufacturing325620 | 1-19 | ◇ UNVERIFIED |
| GLGordon Laboratories INC | Carson | CA | Chemical Manufacturing325611 | 20-99 | ▲ REPORTED CLOSED |
| ICImperial Custom Cabinets INC | Lemon Grove | CA | Chemical Manufacturing325510 | 1-19 | ◇ UNVERIFIED |
| JLJ & L Custom Plastic Extrusions INC | South El Monte | CA | Chemical Manufacturing325211 | — | ◇ UNVERIFIED |
| KLKim Laube & Company INC | Oxnard | CA | Chemical Manufacturing325620 | 20-99 | ◇ UNVERIFIED |
| MMMalbert & Mitchell Grinding Services INC | La Habra | CA | Chemical Manufacturing325998 | 1-19 | ◇ UNVERIFIED |
| MCMask-off Company, INC | Monrovia | CA | Paper Manufacturing322220 | — | ◇ UNVERIFIED |
| MIMateria, INC. | Pasadena | CA | Chemical Manufacturing325199 | 20-99 | ◇ UNVERIFIED |
| OCOrange County Powdercoating Co.,inc. | Orange | CA | Chemical Manufacturing325510 | 1-19 | ◇ UNVERIFIED |
| PSPro-chem Specialty Products | National City | CA | Chemical Manufacturing325611 | 1-19 | ◇ UNVERIFIED |
| RMRoche Molecular Systems INC | Santa Clara | CA | Chemical Manufacturing325413 | — | ◇ UNVERIFIED |
| RGRoyal Gold LLC | Arcata | CA | Chemical Manufacturing325314 | — | ◇ UNVERIFIED |
| SLSpongelle LLC | Inglewood | CA | Chemical Manufacturing325611 | 20-99 | ◇ UNVERIFIED |
| VPVisions Paint Recycling INC | Sacramento | CA | Chemical Manufacturing325510 | 20-99 | ◇ UNVERIFIED |
| 8F888 Food Company | Temple City | CA | Food Manufacturing311612 | — | ◐ LIKELY ACTIVE |
| AAbaxis | Union City | CA | Chemical Manufacturing325413 | — | ◐ LIKELY ACTIVE |
| AAbzena | San Diego | CA | Chemical Manufacturing325412 | 100-499 | ◐ LIKELY ACTIVE |
| ABAdvin Biotech INC | San Diego | CA | Chemical Manufacturing325413 | — | ◐ LIKELY ACTIVE |
| APAir Products and Chemicals Inc.- Torrance | Torrance | CA | Chemical Manufacturing325120 | 20-99 | ◐ LIKELY ACTIVE |
| ACAmeresco Chiquita Canyon | Castaic | CA | Chemical Manufacturing325110 | — | ◐ LIKELY ACTIVE |
| AFAmeresco Forward Landfill | Manteca | CA | Chemical Manufacturing325314 | — | ◐ LIKELY ACTIVE |
| AMAmparo Medical Technologies, INC. | Anaheim | CA | Chemical Manufacturing325520 | — | ◐ LIKELY ACTIVE |
| AIAntibodies INC | Davis | CA | Chemical Manufacturing325413 | — | ◐ LIKELY ACTIVE |
| ALAoc LLC | Perris | CA | Chemical Manufacturing325211 | 500+ | ◐ LIKELY ACTIVE |
| AMAptitude Medical Systems INC | Goleta | CA | Chemical Manufacturing325413 | — | ◐ LIKELY ACTIVE |
| APAstraZeneca Pharmaceutical LP (Redwood City) | Redwood City | CA | Chemical Manufacturing325412 | 20-99 | ◐ LIKELY ACTIVE |
| AIAutogenomics INC | Carlsbad | CA | Chemical Manufacturing325413 | — | ◐ LIKELY ACTIVE |
| BMBasf Metals LLC | Fremont | CA | Chemical Manufacturing325613 | 20-99 | ◐ LIKELY ACTIVE |