| TWTesoro Wilmington Sales Terminal | Wilmington | — | ◐ LIKELY ACTIVE |
| TFThe Flamemaster Corporation | Pacoima | — | ◐ LIKELY ACTIVE |
| TLTorrance Logistics Company LLC | Los Angeles | — | ◐ LIKELY ACTIVE |
| VBValero Benicia Asphalt Plant | Benicia | — | ◐ LIKELY ACTIVE |
| VOValero Olympic Tank Farm | Wilmington | — | ◐ LIKELY ACTIVE |
| WCWd-40 Company | San Diego | 100–499 | ◐ LIKELY ACTIVE |
| WSW. S. Dodge Oil Co., INC. | Maywood | — | ▲ REPORTED CLOSED |
| COCalmat of Central California | Mettler | — | ◐ LIKELY ACTIVE |
| DEDs Express Dismantling | Wilmington | — | ◐ LIKELY ACTIVE |
| GRGreka Refining Company | Santa Maria | — | ◐ LIKELY ACTIVE |
| KCKingsburg Cogeneration Facility | Kingsburg | — | ◐ LIKELY ACTIVE |
| MSMetropolitan Stevedore Bulk Marine Terminal | Long Beach | — | ◐ LIKELY ACTIVE |
 Precision Tool and Plastics | Chino | — | ◐ LIKELY ACTIVE |
| SRSuperior Ready Mix Concrete | Escondido | — | ◐ LIKELY ACTIVE |
| ASAdvantage Sealing Systems INC | Fontana | — | ◇ UNVERIFIED |
| AAAll American Asphalt | San Fernando | — | ◇ UNVERIFIED |
| AAAll American Asphalt,all Amer Aggregates | Irvine | — | ◇ UNVERIFIED |
| BCBaldwin Contracting (road 7) | Orland | — | ◇ UNVERIFIED |
| BCBaldwin Contraction CO. | Lincoln | — | ◇ UNVERIFIED |
| BCBasf Construction Chemicals, INC. | Newark | — | ◇ UNVERIFIED |
| BGBaxman Gravel CO | Fort Bragg | — | ◇ UNVERIFIED |
| BRBerkeley Ready Mix Concrete | Berkeley | — | ◇ UNVERIFIED |
| BCBlue Coral INC Mckay Chemical | Los Angeles | — | ◇ UNVERIFIED |
| BDBlue Diamond Materials | Sun Valley | — | ◇ UNVERIFIED |
| BDBlue Diamond Materials - South Gate Facility | South Gate | — | ◇ UNVERIFIED |
| CCCalmat CO Fresno | Fresno | — | ◇ UNVERIFIED |
| COCalmat of Central California | Bakersfield | — | ◇ UNVERIFIED |
| CCCalportland Company Garey Plant | Santa Maria | — | ◇ UNVERIFIED |
| CCCalportland Company Miramar | San Diego | — | ◇ UNVERIFIED |
 Calportland Construction - Templeton | Paso Robles | — | ◇ UNVERIFIED |
| CICastrol Industrial | Los Angeles | — | ◇ UNVERIFIED |
| CLCemex Lake Herman/vallejo | Vallejo | — | ◇ UNVERIFIED |
| CRChemoil Refining CORP | Signal Hill | — | ◇ UNVERIFIED |
| CICrafco INC | Fontana | — | ◇ UNVERIFIED |
| CRCrimson Renewable Energy, LP | Bakersfield | — | ◇ UNVERIFIED |
| CTCustom Tube & Manufacturing | Paso Robles | — | ◇ UNVERIFIED |
| DDDavid Downs Company | Cudahy | — | ◇ UNVERIFIED |
| DTDelta Trading Ico Crimson Resource Mgmt | Bakersfield | — | ◇ UNVERIFIED |
| DADiversified Asphalt Products, INC | Anaheim | — | ◇ UNVERIFIED |
| EMEdgars Mobile Lube | Oakland | — | ◇ UNVERIFIED |
| EOEdgington Oil CO | Long Beach | — | ◇ UNVERIFIED |
| EWEnviropur West CORP | Signal Hill | — | ◇ UNVERIFIED |
| FQFelton Quarry | Felton | — | ◇ UNVERIFIED |
| FOFletcher Oil & Refining CO (forco) Carson Refinery | Carson | — | ◇ UNVERIFIED |
| FSFour Star Chem INC | Los Angeles | — | ◇ UNVERIFIED |
| GRGeorge Reed INC | Jamestown | — | ◇ UNVERIFIED |
| GGGolden Gate Petroleum | San Jose | — | ◇ UNVERIFIED |
| GLGoldenwest Lubricants INC | Pomona | — | ◇ UNVERIFIED |
| GCGranite Construction CO | Tracy | — | ◇ UNVERIFIED |
| GCGranite Construction Company | Lakeport | — | ◇ UNVERIFIED |
