| SPSan Pablo Bay Pipeline Company LLC | Tracy | — | ◇ UNVERIFIED |
| SFSanta Fe Aggregates, INC. | Waterford | — | ◇ UNVERIFIED |
| SFSanta Fe Materials, Winton Plant | Winton | — | ◇ UNVERIFIED |
| SFSanta Fe Springs Refinery | Santa Fe Springs | — | ◇ UNVERIFIED |
| SISchroeder Iron Corporation | Fontana | — | ◇ UNVERIFIED |
| SSShea Sand & Gravel {jfs-sr} | Redding | — | ◇ UNVERIFIED |
| SSoledad | Canyon Country | — | ◇ UNVERIFIED |
| SISta-lube INC | Compton | — | ◇ UNVERIFIED |
| SRSunland Refining | Bakersfield | — | ◇ UNVERIFIED |
| SISyar Industries, INC Healdsburg Quarry | Healdsburg | — | ◇ UNVERIFIED |
| TATeichert Aggregates | Tracy | — | ◇ UNVERIFIED |
| TATeichert Aggregates Grantline | Rancho Cordova | — | ◇ UNVERIFIED |
| TATeichert Aggregates Martis | Truckee | — | ◇ UNVERIFIED |
| TIThe International Group INC | Richmond | — | ◇ UNVERIFIED |
| TOTidelands Oil Production Company Etal | Long Beach | — | ◇ UNVERIFIED |
| TRTricor Refining LLC | Bakersfield | — | ◇ UNVERIFIED |
| TRTropical Roofing Products INC C/o Soprema INC | La Mirada | — | ◇ UNVERIFIED |
| TETruck Equipment Fabrication | Santa Clarita | — | ◇ UNVERIFIED |
| VMVulcan Materials CO - Reliance Sand & Gravel Plant | Irwindale | — | ◇ UNVERIFIED |
| WEWestern Emulsions INC | Irwindale | — | ◇ UNVERIFIED |
| WOWynn Oil CO | Azusa | — | ◇ UNVERIFIED |
| XLXp Lab INC | Poway | — | ◇ UNVERIFIED |
| ACAOCUSA - Commerce | Commerce | 1–19 | ◐ LIKELY ACTIVE |
| APAOCUSA - Pico Rex | Pico Rivera | 1–19 | ◐ LIKELY ACTIVE |
| AVAOCUSA - Vernon | Vernon | 20–99 | ◐ LIKELY ACTIVE |
| B2Branch 211 | Redwood City | 20–99 | ◐ LIKELY ACTIVE |
| CUChevron U.s.a. INC | Richmond | — | ◐ LIKELY ACTIVE |
| CACommerce Aviation and Economic Development | Merced | 1–19 | ◐ LIKELY ACTIVE |
| DCDownstream & Chemicals - El Segundo, CA Lubricants Plant | El Segundo | 1–19 | ◐ LIKELY ACTIVE |
| DMDutra Materials | San Rafael | 20–99 | ◐ LIKELY ACTIVE |
| GPGot Propane Inc. | Los Angeles | 20–99 | ◐ LIKELY ACTIVE |
| KOKent's Oil Service dba Pacific Northwest Oil | Stockton | 20–99 | ◐ LIKELY ACTIVE |
| PQPennzoil Quaker State Co dba SOPUS product | Wilmington | 20–99 | ◐ LIKELY ACTIVE |
| PAPerkins Asphalt | Sacramento | 20–99 | ◐ LIKELY ACTIVE |
| RTRed Triangle Oil Co | Fresno | 20–99 | ◐ LIKELY ACTIVE |
| SSShafter Shingle | Shafter | 100–499 | ◐ LIKELY ACTIVE |
| SGSouth Gate | South Gate | 20–99 | ◐ LIKELY ACTIVE |
| SESustainable Emulsion Colton | Colton | 1–19 | ◐ LIKELY ACTIVE |
| TMTeichert Maintenance & Supply | Sacramento | 100–499 | ◐ LIKELY ACTIVE |
| TPTriangle Properties | Saccrmento | 20–99 | ◐ LIKELY ACTIVE |
| VRValero Refining Company - California | Benicia | 100–499 | ◐ LIKELY ACTIVE |
| VGValvoline Global - Santa Fe Springs | Santa Fe Springs | 20–99 | ◐ LIKELY ACTIVE |
| VEVSS Emultech West Sac Operations | West Sacramento | 20–99 | ◐ LIKELY ACTIVE |
| APAzusa Pacific University | Azusa | — | ◇ UNVERIFIED |
| DBDale Brisco INC. | Fowler | 20–99 | ◇ UNVERIFIED |
| KCKelterite CORP | Downey | 1–19 | ◇ UNVERIFIED |
| KSKey Seal Products INC | Turlock | 1–19 | ◇ UNVERIFIED |
| PCPierce Crane INC Dba Roth Crane Service | Fresno | 1–19 | ◇ UNVERIFIED |
| RGR & G Precision Grinding INC | Whittier | 1–19 | ◇ UNVERIFIED |
| RARight Away Redy Mix / County Quarry Products, INC / County Asphalt | Martinez | 1–19 | ◇ UNVERIFIED |