| CLCalifornia Livermore Lindbergh Ave | Livermore | CA | Nonmetallic Mineral Product Manufacturing327991 | 1-19 | ◐ LIKELY ACTIVE |
| CMCalifornia Manteca 1300 Dupont Court | Manteca | CA | Nonmetallic Mineral Product Manufacturing327991 | 1-19 | ◐ LIKELY ACTIVE |
| CMCalifornia Monterey 2110B Del Monte Avenue | Monterey | CA | Nonmetallic Mineral Product Manufacturing327991 | 20-99 | ◐ LIKELY ACTIVE |
| CPCalifornia Palm Desert 39740 Garrand Lane | Palm Desert | CA | Nonmetallic Mineral Product Manufacturing327991 | 1-19 | ◐ LIKELY ACTIVE |
| CRCalifornia Roseville 1532 Eureka Road | Roseville | CA | Nonmetallic Mineral Product Manufacturing327991 | 1-19 | ◐ LIKELY ACTIVE |
| CRCalifornia Roseville 201 Creekside Ridge Court | Roseville | CA | Nonmetallic Mineral Product Manufacturing327991 | 1-19 | ◐ LIKELY ACTIVE |
| CSCalifornia Sacramento 3701 Pell Circle | Sacramento | CA | Nonmetallic Mineral Product Manufacturing327991 | 20-99 | ◐ LIKELY ACTIVE |
| CSCalifornia Sacramento 4170 Truxel Road | Sacramento | CA | Nonmetallic Mineral Product Manufacturing327991 | 1-19 | ◐ LIKELY ACTIVE |
| CSCalifornia San Diego 15822 Bernardo Center Drive | San Diego | CA | Nonmetallic Mineral Product Manufacturing327991 | 20-99 | ◐ LIKELY ACTIVE |
| CSCalifornia San Diego Trade Place | San Diego | CA | Nonmetallic Mineral Product Manufacturing327991 | 1-19 | ◐ LIKELY ACTIVE |
| CTCalifornia Temecula 42006 Remington Avenue | Temecula | CA | Nonmetallic Mineral Product Manufacturing327991 | 1-19 | ◐ LIKELY ACTIVE |
| CVCalifornia Valencia 27229 Turnberry Lane | Valencia | CA | Nonmetallic Mineral Product Manufacturing327991 | 1-19 | ◐ LIKELY ACTIVE |
| CWCalifornia Westlake Village Townsgate Road | Westlake Village | CA | Nonmetallic Mineral Product Manufacturing327991 | 1-19 | ◐ LIKELY ACTIVE |
| CWCalifornia West Sacramento 2921 Ramco Street | West Sacramento | CA | Nonmetallic Mineral Product Manufacturing327991 | 20-99 | ◐ LIKELY ACTIVE |
| CCCalPortland Cement Terminal | Santa Fe Springs | CA | Nonmetallic Mineral Product Manufacturing327310 | 1-19 | ◐ LIKELY ACTIVE |
Calportland Construction - Ready Mix Division | Santa Maria | CA | Nonmetallic Mineral Product Manufacturing327320 | 20-99 | ◐ LIKELY ACTIVE |
| CGCalPortland Gem Hill Mine Site | Rosamond | CA | Nonmetallic Mineral Product Manufacturing327310 | 1-19 | ◐ LIKELY ACTIVE |
| CSCambria Sales and Distrbution Center Las Angeles | Santa Fe Springs | CA | Nonmetallic Mineral Product Manufacturing327991 | 20-99 | ◐ LIKELY ACTIVE |
| CMCanam Minerals INC | Rancho Cucamonga | CA | Nonmetallic Mineral Product Manufacturing327910 | — | ◐ LIKELY ACTIVE |
| CMCarlsbad Manufacturing Corporation | Carlsbad | CA | Nonmetallic Mineral Product Manufacturing327390 | — | ◐ LIKELY ACTIVE |
| CCCBPQ Custom Building Products | Santa Fe Springs | CA | Nonmetallic Mineral Product Manufacturing327999 | 20-99 | ◐ LIKELY ACTIVE |
| CCCell Crete Corporation | Monrovia | CA | Nonmetallic Mineral Product Manufacturing327310 | 20-99 | ◐ LIKELY ACTIVE |
| CVCentral Valley Administration | Fresno | CA | Nonmetallic Mineral Product Manufacturing327320 | 1-19 | ◐ LIKELY ACTIVE |
| CPClark Pacific - Woodland | Woodland | CA | Nonmetallic Mineral Product Manufacturing327390 | 100-499 | ◐ LIKELY ACTIVE |
| CIConcrete Inc DBA Knife River | Stockton | CA | Nonmetallic Mineral Product Manufacturing327320 | 20-99 | ◐ LIKELY ACTIVE |
| CUCox, USA | Ontario | CA | Nonmetallic Mineral Product Manufacturing327215 | 20-99 | ◐ LIKELY ACTIVE |
| DFDaly Fabrication Facility | Anaheim | CA | Nonmetallic Mineral Product Manufacturing327991 | 1-19 | ◐ LIKELY ACTIVE |
| DFDiamond Foundry LLC | South San Francisco | CA | Nonmetallic Mineral Product Manufacturing327999 | 20-99 | ◐ LIKELY ACTIVE |
| DCDixon CT | Dixon | CA | Nonmetallic Mineral Product Manufacturing327215 | 20-99 | ◐ LIKELY ACTIVE |
| EREscondido Ready Mix | Escondido | CA | Nonmetallic Mineral Product Manufacturing327320 | 1-19 | ◐ LIKELY ACTIVE |
| ERExeter Ready Mix Plant | Exeter | CA | Nonmetallic Mineral Product Manufacturing327320 | 1-19 | ◐ LIKELY ACTIVE |
| EMEZ Mix Inc - Rialto | Bloomington | CA | Nonmetallic Mineral Product Manufacturing327320 | 20-99 | ◐ LIKELY ACTIVE |
| EMEZ Mix Inc - Tuxford | Sun Valley | CA | Nonmetallic Mineral Product Manufacturing327320 | 20-99 | ◐ LIKELY ACTIVE |
| FCFlorentine Company | San Diego | CA | Nonmetallic Mineral Product Manufacturing327991 | 20-99 | ◐ LIKELY ACTIVE |
| FPFontana Plant #4 | Fontana | CA | Nonmetallic Mineral Product Manufacturing327320 | 1-19 | ◐ LIKELY ACTIVE |
| GCGalt CG | Galt | CA | Nonmetallic Mineral Product Manufacturing327215 | 100-499 | ◐ LIKELY ACTIVE |
| GMGardena (Adcock Mfg Corp) | Gardena | CA | Nonmetallic Mineral Product Manufacturing327910 | 1-19 | ◐ LIKELY ACTIVE |
| GPGardena Plant #25 | Gardena | CA | Nonmetallic Mineral Product Manufacturing327320 | 20-99 | ◐ LIKELY ACTIVE |
| GPGC Products LLC | Lincoln | CA | Nonmetallic Mineral Product Manufacturing327999 | 20-99 | ◐ LIKELY ACTIVE |
| GCGilwin Company | Modesto | CA | Nonmetallic Mineral Product Manufacturing327215 | 20-99 | ◐ LIKELY ACTIVE |
| GTGlassfab Tempering Services, Inc. | Tracy | CA | Nonmetallic Mineral Product Manufacturing327215 | 100-499 | ◐ LIKELY ACTIVE |
| GTGlassfab Tempering Services, Inc. | Tracy | CA | Nonmetallic Mineral Product Manufacturing327215 | 20-99 | ◐ LIKELY ACTIVE |
| HRHanford Ready Mix Plant | Hanford | CA | Nonmetallic Mineral Product Manufacturing327320 | 1-19 | ◐ LIKELY ACTIVE |
| HMHC Muddox | Sacramento | CA | Nonmetallic Mineral Product Manufacturing327120 | 20-99 | ◐ LIKELY ACTIVE |
| HMHi-Grade Materials - Littlerock Ready Mix | Littlerock | CA | Nonmetallic Mineral Product Manufacturing327320 | 20-99 | ◐ LIKELY ACTIVE |
| HMHi-Grade Materials- Oro Grande | Oro Grande | CA | Nonmetallic Mineral Product Manufacturing327320 | 20-99 | ◐ LIKELY ACTIVE |
| IGIntegrated Glass Concepts, INC. | Benicia | CA | Nonmetallic Mineral Product Manufacturing327215 | — | ◐ LIKELY ACTIVE |
| IIIsolatek International- SBCA | San Bernardino | CA | Nonmetallic Mineral Product Manufacturing327992 | 1-19 | ◐ LIKELY ACTIVE |
| JWJim Wong | Lincoln | CA | Nonmetallic Mineral Product Manufacturing327215 | — | ◐ LIKELY ACTIVE |
| LCLABC Custom Building Products | Santa Fe Springs | CA | Nonmetallic Mineral Product Manufacturing327999 | 20-99 | ◐ LIKELY ACTIVE |