| CICastrol Industrial | Los Angeles | — | ◇ UNVERIFIED |
| CRChemoil Refining CORP | Signal Hill | — | ◇ UNVERIFIED |
| DDDavid Downs Company | Cudahy | — | ◇ UNVERIFIED |
| EOEdgington Oil CO | Long Beach | — | ◇ UNVERIFIED |
| EWEnviropur West CORP | Signal Hill | — | ◇ UNVERIFIED |
| FOFletcher Oil & Refining CO (forco) Carson Refinery | Carson | — | ◇ UNVERIFIED |
| FSFour Star Chem INC | Los Angeles | — | ◇ UNVERIFIED |
| GLGoldenwest Lubricants INC | Pomona | — | ◇ UNVERIFIED |
| HMHerbert Malarkey Roofing CO. | South Gate | — | ◇ UNVERIFIED |
| HRHolliday Rock CO INC | Littlerock | — | ◇ UNVERIFIED |
| JMJohns Manville | South Gate | — | ◇ UNVERIFIED |
| LPLiquid Packaging CO | Paramount | — | ◇ UNVERIFIED |
| LALos Angeles City Street Maintenance Ap#2 | North Hollywood | — | ◇ UNVERIFIED |
| MPMaxum Petroleum | Rancho Dominguez | — | ◇ UNVERIFIED |
| MMMortech Mfg | Azusa | — | ◇ UNVERIFIED |
| PPPacific Precision Formulators INC | Vernon | — | ◇ UNVERIFIED |
| PSPennzoil-quaker State CO (dba Sopus Products Lalp) | Wilmington | — | ◇ UNVERIFIED |
| QCQuality Car Care Products INC | Duarte | — | ◇ UNVERIFIED |
| RORosemead Oil Products INC | Santa Fe Springs | — | ◇ UNVERIFIED |
| SFSanta Fe Springs Refinery | Santa Fe Springs | — | ◇ UNVERIFIED |
| SSoledad | Canyon Country | — | ◇ UNVERIFIED |
| SISta-lube INC | Compton | — | ◇ UNVERIFIED |
| TOTidelands Oil Production Company Etal | Long Beach | — | ◇ UNVERIFIED |
| TRTropical Roofing Products INC C/o Soprema INC | La Mirada | — | ◇ UNVERIFIED |
| TETruck Equipment Fabrication | Santa Clarita | — | ◇ UNVERIFIED |
| VCValvoline Company | Sant Fe Springs | — | ◇ UNVERIFIED |
| VMVulcan Materials CO - Reliance Sand & Gravel Plant | Irwindale | — | ◇ UNVERIFIED |
| WEWestern Emulsions INC | Irwindale | — | ◇ UNVERIFIED |
 Western Emulsions Irwindale Plant | Baldwin Park | — | ◇ UNVERIFIED |
| WOWynn Oil CO | Azusa | — | ◇ UNVERIFIED |
| ACAOCUSA - Commerce | Commerce | 1–19 | ◐ LIKELY ACTIVE |
| APAOCUSA - Pico Main | Pico Rivera | 20–99 | ◐ LIKELY ACTIVE |
| APAOCUSA - Pico Rex | Pico Rivera | 1–19 | ◐ LIKELY ACTIVE |
| AVAOCUSA - Vernon | Vernon | 20–99 | ◐ LIKELY ACTIVE |
| CUChevron USA INC | El Segundo | — | ◐ LIKELY ACTIVE |
| DCDownstream & Chemicals - El Segundo, CA Lubricants Plant | El Segundo | 1–19 | ◐ LIKELY ACTIVE |
| GGGlobal Green Energy LLC | Diamond Bar | — | ◐ LIKELY ACTIVE |
| GPGot Propane Inc. | Los Angeles | 20–99 | ◐ LIKELY ACTIVE |
| GIGS II Inc - CertainTeed | Wilmington | 20–99 | ◐ LIKELY ACTIVE |
| PQPennzoil Quaker State Co dba SOPUS product | Wilmington | 20–99 | ◐ LIKELY ACTIVE |
| P6Phillips 66 Los Angeles Refinery | Wilmington | 100–499 | ◐ LIKELY ACTIVE |
| SGSouth Gate | South Gate | 20–99 | ◐ LIKELY ACTIVE |
| VGValvoline Global - Santa Fe Springs | Santa Fe Springs | 20–99 | ◐ LIKELY ACTIVE |
| 1S12727-first Student | Long Beach | — | ◇ UNVERIFIED |
| 2O249 Occidental, LLC | Los Angeles | — | ◇ UNVERIFIED |
| APAa Products International INC | Covina | — | ◇ UNVERIFIED |
| ASAbs Shoring INC. | Van Nuys | — | ◇ UNVERIFIED |
| ASAbs Shoring INC. | Los Angeles | — | ◇ UNVERIFIED |
| AEActive Elevator, INC. | Chatsworth | — | ◇ UNVERIFIED |
| ALAir Liquid Large Industries Us, LP | El Segundo | — | ◇ UNVERIFIED |
