Celebration Cellars LLC | Murrieta | — | ● ACTIVE |
| CHComco Holdings, LLC | Burbank | — | ● ACTIVE |
Cortex Composites INC. | San Rafael | — | ● ACTIVE |
Cts Cement Manufacturing CORP | Garden Grove | — | ● ACTIVE |
Epave, LLC | Tujunga | — | ● ACTIVE |
Gooch and Housego (california) LLC | Moorpark | — | ● ACTIVE |
Greer Products LLC | Garden Valley | — | ● ACTIVE |
Gw Partners International, INC. | Rancho Cucamonga | — | ● ACTIVE |
Hanford Sand & Gravel, INC | Elk Grove | — | ● ACTIVE |
Impact Absorbents, INC | Atascadero | — | ● ACTIVE |
| JBJim Brisco Enterprises, INC. | Atwater | 20–99 | ● ACTIVE |
Jungk Nguyen Innovations LLC | Stanton | — | ● ACTIVE |
K4k Construction Design, INC | Sacramento | — | ● ACTIVE |
K-deer La, INC. | Pico Rivera | — | ● ACTIVE |
Leeta Materials, INC. | Goleta | — | ● ACTIVE |
Media Blast & Abrasive, INC. | Brea | — | ● ACTIVE |
Moyer & Associates, INC | Westlake Vlg | — | ● ACTIVE |
Prairie Ceramics Corporation | San Leandro | — | ● ACTIVE |
Precision Granite Usa, INC. | Azusa | — | ● ACTIVE |
Pure Design Werx LLC | Chula Vista | — | ● ACTIVE |
| SCSinak Corporation | San Diego | — | ● ACTIVE |
Soil Retention Products, INC. | Carlsbad | — | ● ACTIVE |
Stoneash Corporation | Hermosa Beach | — | ● ACTIVE |
Susan L Pistacchi | Newport Beach | — | ● ACTIVE |
US Carbon Company LLC | San Diego | — | ● ACTIVE |
| BCBasalite Concrete Products Dixon | Dixon | 100–499 | ◐ LIKELY ACTIVE |
| GMGladding Mcbean | Lincoln | 100–499 | ◐ LIKELY ACTIVE |
| IBIrvine Batch Plant | Irvine | 1–19 | ◐ LIKELY ACTIVE |
| KIKnauf Insulation Gmbh | Shasta Lake | 100–499 | ◐ LIKELY ACTIVE |
Acker Stone Industries, INC | Corona | — | ◐ LIKELY ACTIVE |
| APAdelanto Plant 19 | Adelanto | 20–99 | ◐ LIKELY ACTIVE |
| APAnaheim Plant 16 | Anaheim | 20–99 | ◐ LIKELY ACTIVE |
| AIAnthony, INC. | Sylmar | 100–499 | ◐ LIKELY ACTIVE |
| ABAntioch Building Materials Company | Pittsburg | 20–99 | ◐ LIKELY ACTIVE |
| ALArcosa Lightweight - Frazier Park | Frazier Park | — | ◐ LIKELY ACTIVE |
| AGArdagh Glass INC | Madera | — | ◐ LIKELY ACTIVE |
| BCBasalite Concrete Products - Selma | Selma | 20–99 | ◐ LIKELY ACTIVE |
| BMBuilding Materials Mfg CORP (dba Gaf) | Shafter | — | ◐ LIKELY ACTIVE |
| CPCabazon Plant 11 | Cabazon | 1–19 | ◐ LIKELY ACTIVE |
| CPCal Portland Cement | Oro Grande | — | ◐ LIKELY ACTIVE |
| CCCemex Construction Materials Pacific LLC | Lemoore | — | ◐ LIKELY ACTIVE |
| CCCemex Construction Materials Pacific Llc- Cemex Victorville -river Plant | Victorville | — | ◐ LIKELY ACTIVE |
| CFCemex Farmersville Plant | Farmersville | — | ◐ LIKELY ACTIVE |
| CCCertainteed, Chowchilla Plant | Chowchilla | — | ◐ LIKELY ACTIVE |
| CPCorona Plant 30 | Corona | 20–99 | ◐ LIKELY ACTIVE |
| CBCustom Building Products INC | Bell | 100–499 | ◐ LIKELY ACTIVE |
| CBCustom Building Products - Sckc Stockton Ca | Stockton | 20–99 | ◐ LIKELY ACTIVE |
| DIDupaco INC | Oceanside | — | ◐ LIKELY ACTIVE |
| ECEl Cajon Plant 29 | El Cajon | 1–19 | ◐ LIKELY ACTIVE |
| EPEscondido Plant 36 | Escondido | 1–19 | ◐ LIKELY ACTIVE |