| MRMartinez Refining | Martinez | 500+ | ● ACTIVE |
| SSSafety-kleen Systems, INC. | Richmond | 20–99 | ◐ LIKELY ACTIVE |
| ABAntioch Building Materials Company | Pittsburg | 20–99 | ◐ LIKELY ACTIVE |
| CPChevron Products Company | Richmond | — | ◐ LIKELY ACTIVE |
| CCConocophillips Carbon Plant | Rodeo | — | ◐ LIKELY ACTIVE |
| SFSan Francisco Refinery at Rodeo, California | Rodeo | — | ◐ LIKELY ACTIVE |
| SCShell Chemical LP - Martinez Catayst Plant | Martinez | — | ◐ LIKELY ACTIVE |
| TGTesoro Golden Eagle Refinery | Martinez | — | ◐ LIKELY ACTIVE |
| ULUss-upi, LLC | Pittsburg | — | ◐ LIKELY ACTIVE |
| CRChevron Richmond Technology Center | Richmond | — | ◐ LIKELY ACTIVE |
| AWAls West LLC | Richmond | — | ▲ REPORTED CLOSED |
| CMChevron Marine Products LLC | San Ramon | — | ◐ LIKELY ACTIVE |
| MRMartinez Refining Company LLC (previously Shell Oil Products Us, Martinez Ref.) | Martinez | — | ◐ LIKELY ACTIVE |
| TIThe International Group INC | Richmond | — | ◇ UNVERIFIED |
| 3R300A report for 2018 | Richmond | 20–99 | ◐ LIKELY ACTIVE |
| CUChevron U.s.a. INC | Richmond | — | ◐ LIKELY ACTIVE |
| DCDownstream & Chemicals - Richmond, CA Lubricants Plant | Richmond | 20–99 | ◐ LIKELY ACTIVE |
| P6Phillips 66 | Rodeo | 100–499 | ◐ LIKELY ACTIVE |
| 000410 | Richmond | — | ◇ UNVERIFIED |
| AHA&j Hauling | Orinda | — | ◇ UNVERIFIED |
| ATAll Terrain INC | Richmond | — | ◇ UNVERIFIED |
| ARAmerican Roofing Industries | Antioch | — | ◇ UNVERIFIED |
| ADAppian Dental Center, LLC | Pinole | — | ◇ UNVERIFIED |
| BLBrinderson, LP | Martinez | — | ◇ UNVERIFIED |
| BRBtw & Repair | Brentwood | — | ◇ UNVERIFIED |
| CCCanadian Chemical Reclaim Technologies | Martinez | — | ◇ UNVERIFIED |
| CCCarone & Company, INC. Dba Diablo Valley Rock | Martinez | — | ◇ UNVERIFIED |
| CCCentral Concrete Supply, INC | Walnut Creek | — | ◇ UNVERIFIED |
| CGChevron Geology Warehouse | Richmond | — | ◇ UNVERIFIED |
| CACounty Asphalt | Martinez | — | ◇ UNVERIFIED |
| CPCounty Paving Company INC | Antioch | — | ◇ UNVERIFIED |
| CWCushman & Wakefield | Richmond | — | ◇ UNVERIFIED |
| DBDanco Builders Northwest | San Pablo | — | ◇ UNVERIFIED |
| DMDanville Mobil | Danville | — | ◇ UNVERIFIED |
| DFDefense Fuel Supply Point Ozol | Martinez | — | ◇ UNVERIFIED |
| DSDiablo Services CORP | Pittsburg | — | ◇ UNVERIFIED |
| DMDutra Materials/san Rafael Roc | Richmond | — | ◇ UNVERIFIED |
| EPE&j Properties | Richmond | — | ◇ UNVERIFIED |
| GIGalaxy I Concord Corporation | Concord | — | ◇ UNVERIFIED |
| GCGranite Construction Company | Concord | — | ◇ UNVERIFIED |
| HAHanson Aggregates | Walnut Creek | — | ◇ UNVERIFIED |
 Johns Manville | Pittsburg | — | ◇ UNVERIFIED |
| JRJ R Lankford INC | Martinez | — | ◇ UNVERIFIED |
| JIJ.v. Industrial Companies LTD | Martinez | — | ◇ UNVERIFIED |
| JLJ.v. Lucas Paving, INC. | Martinez | — | ◇ UNVERIFIED |
| LSLandry Service CO INC | Martinez | — | ◇ UNVERIFIED |
| LCLawrence Cannon | Lafayette | — | ◇ UNVERIFIED |
| LHLiving Hope Christian Center | El Cerrito | — | ◇ UNVERIFIED |
| MSMarine Spill Response Corporation | Richmond | — | ◇ UNVERIFIED |
| MAMauri All Debris | Richmond | — | ◇ UNVERIFIED |
