| CCCemex Construction Materials Pacific LLC | Bakersfield | — | ◇ UNVERIFIED |
| CCCemex Construction Materials Pacific LLC | Bell | — | ◇ UNVERIFIED |
| CCCemex Construction Materials Pacific LLC | Fairfield | — | ◇ UNVERIFIED |
| CCCemex Construction Materials Pacific LLC | Farmersville | — | ◇ UNVERIFIED |
| CCCemex Construction Materials Pacific LLC | Merced | — | ◇ UNVERIFIED |
| CCCemex Construction Materials Pacific LLC - Union City Plant | Union City | — | ◇ UNVERIFIED |
| CCCemex Construction Materials Perkins Rm Teichert | Sacramento | — | ◇ UNVERIFIED |
| CFCemex Fresno Plant | Fresno | — | ◇ UNVERIFIED |
| CFCemex Friant | Friant | — | ◇ UNVERIFIED |
| CICemex Irvine Plant | Irvine | — | ◇ UNVERIFIED |
| CMCemex Mission Valley Plant | San Diego | — | ◇ UNVERIFIED |
| CMCemex Moorpark Plant | Moorpark | — | ◇ UNVERIFIED |
| COCemex Oakland | Oakland | — | ◇ UNVERIFIED |
| COCemex Oxnard Plant | Oxnard | — | ◇ UNVERIFIED |
| CPCemex Pleasanton | Pleasanton | — | ◇ UNVERIFIED |
| CPCemex Pleasanton Ready-mix | Pleasanton | — | ◇ UNVERIFIED |
| CSCemex Santa Barbara Plant | Santa Barbara | — | ◇ UNVERIFIED |
| CCCentral Concrete Supply - a US Concrete Company | Hayward | — | ◇ UNVERIFIED |
| CICeradyne INC 3m Company | Irvine | — | ◇ UNVERIFIED |
| CVChristy Vault Company Tulare | Tulare | — | ◇ UNVERIFIED |
| CPClean Planet, INC. | Stockton | — | ◇ UNVERIFIED |
| CLClear Lake Lava Dba Williams Redi Mix INC. | Williams | — | ◇ UNVERIFIED |
| CMColombo Mine | Sierra City | — | ◇ UNVERIFIED |
| CIConcrete INC | Stockton | — | ◇ UNVERIFIED |
| CVCordeiro Vault CO INC | Elk Grove | — | ◇ UNVERIFIED |
| CVCordeiro Vault CO INC | Vallejo | — | ◇ UNVERIFIED |
| DCDeleo Clay Tile CO INC | Lake Elsinore | — | ◇ UNVERIFIED |
| DDuracite | Fairfield | — | ◇ UNVERIFIED |
| ERElite Ready Mix LLC | Sacramento | — | ◇ UNVERIFIED |
| FSFarlows Scientific Glassblowing INC | Grass Valley | — | ◇ UNVERIFIED |
| FRFarrow Ready Mix | Santa Rosa | — | ◇ UNVERIFIED |
| FNFlorence & New Italian Art Company | Hayward | — | ◇ UNVERIFIED |
| FTFlying Turtle Cast Concrete | Modesto | — | ◇ UNVERIFIED |
 Freeman Rock INC. | Crescent City | — | ◇ UNVERIFIED |
| GCGainey Ceramics INC | La Verne | — | ◇ UNVERIFIED |
| GRGalt Rock and Asphalt Products | Galt | — | ◇ UNVERIFIED |
| GGGarner Glass | Claremont | — | ◇ UNVERIFIED |
| GGGeorgia-pacific Gypsum LLC | Antioch | — | ◇ UNVERIFIED |
| GRGranite Rock Company Salinas Concrete | Salinas | — | ◇ UNVERIFIED |
| GIGuardian Industries CORP | Fullerton | — | ◇ UNVERIFIED |
| HAHanson Aggregates Mid-pacific INC | San Luis Obispo | — | ◇ UNVERIFIED |
| HAHanson Aggregates Pacific Southwest INC | San Diego | — | ◇ UNVERIFIED |
| HRHarbor Ready-mix | Redwood City | — | ◇ UNVERIFIED |
| HCHeath Ceramics INC | Sausalito | — | ◇ UNVERIFIED |
| HBHiggins Brick CO | Chino Hills | — | ◇ UNVERIFIED |
| HHHm Holloway INC | Lost Hills | — | ◇ UNVERIFIED |
| HRHolliday Rock - Adelanto | Adelanto | — | ◇ UNVERIFIED |
| HRHolliday Rock Canoga Park 31 | Canoga Park | — | ◇ UNVERIFIED |
| HRHolliday Rock Chino 18 | Chino | — | ◇ UNVERIFIED |
| HRHolliday Rock Co., INC. | Bakersfield | — | ◇ UNVERIFIED |
