| TGTrulite Glass & Aluminum Solutions | Sacramento | CA | Nonmetallic Mineral Product Manufacturing327211 | — | ◇ UNVERIFIED |
| WMWestpac Materials | Orange | CA | Nonmetallic Mineral Product Manufacturing327999 | — | ◇ UNVERIFIED |
| WPWoodland Plant | Woodland | CA | Nonmetallic Mineral Product Manufacturing327320 | — | ◇ UNVERIFIED |
| 1P106033 - Pinnacle Assumed Contracts | Wasco | CA | Nonmetallic Mineral Product Manufacturing327390 | 20-99 | ◐ LIKELY ACTIVE |
| 1M106045 - Mammoth Precast 2024-2027 | Fairfield | CA | Nonmetallic Mineral Product Manufacturing327390 | 20-99 | ◐ LIKELY ACTIVE |
| 1B1500 Building | Fremont | CA | Nonmetallic Mineral Product Manufacturing327212 | 20-99 | ◐ LIKELY ACTIVE |
| 4B4010 Business Center Drive | Fremont | CA | Nonmetallic Mineral Product Manufacturing327215 | 1-19 | ◐ LIKELY ACTIVE |
| 7S7/11 Stockton Ready Mix | Stockton | CA | Nonmetallic Mineral Product Manufacturing327320 | 20-99 | ◐ LIKELY ACTIVE |
| ACAll Counties Glass | Santa Ana | CA | Nonmetallic Mineral Product Manufacturing327215 | 1-19 | ◐ LIKELY ACTIVE |
| ACAll Counties Glass-N | Stockton | CA | Nonmetallic Mineral Product Manufacturing327215 | 20-99 | ◐ LIKELY ACTIVE |
| ABAngelus Block - Bakersfield | Bakersfield | CA | Nonmetallic Mineral Product Manufacturing327331 | 20-99 | ◐ LIKELY ACTIVE |
| ABAngelus Block - Fontana | Fontana | CA | Nonmetallic Mineral Product Manufacturing327331 | 20-99 | ◐ LIKELY ACTIVE |
| ABAngelus Block - Indio | Indio | CA | Nonmetallic Mineral Product Manufacturing327331 | 20-99 | ◐ LIKELY ACTIVE |
| ABAngelus Block - Oxnard | Oxnard | CA | Nonmetallic Mineral Product Manufacturing327331 | 20-99 | ◐ LIKELY ACTIVE |
| ABAngelus Block - Rialto | Rialto | CA | Nonmetallic Mineral Product Manufacturing327331 | 20-99 | ◐ LIKELY ACTIVE |
| ASAPG - Stockton | Stockton | CA | Nonmetallic Mineral Product Manufacturing327331 | 20-99 | ◐ LIKELY ACTIVE |
| ATAPG - Tracy | Tracy | CA | Nonmetallic Mineral Product Manufacturing327331 | 20-99 | ◐ LIKELY ACTIVE |
| ACAquatic Co. Corona | Corona | CA | Nonmetallic Mineral Product Manufacturing327215 | 1-19 | ◐ LIKELY ACTIVE |
| AGArdagh Glass Packaging Madera | Madera | CA | Nonmetallic Mineral Product Manufacturing327213 | 100-499 | ◐ LIKELY ACTIVE |
| ASArizona Shower Door - Riverside | Riverside | CA | Nonmetallic Mineral Product Manufacturing327215 | 1-19 | ◐ LIKELY ACTIVE |
| APArrowhead Plant #9 | Lake Arrowhead | CA | Nonmetallic Mineral Product Manufacturing327320 | 1-19 | ◐ LIKELY ACTIVE |
| BPBanning Plant #48 | Banning | CA | Nonmetallic Mineral Product Manufacturing327320 | 1-19 | ◐ LIKELY ACTIVE |
| BCBarbosa Cabinets, Inc. - Countertops | Lathrop | CA | Nonmetallic Mineral Product Manufacturing327991 | 20-99 | ◐ LIKELY ACTIVE |
| BPBarstow Plant #45 | Barstow | CA | Nonmetallic Mineral Product Manufacturing327320 | 1-19 | ◐ LIKELY ACTIVE |
| BTBasalite - Tracy | Tracy | CA | Nonmetallic Mineral Product Manufacturing327331 | 100-499 | ◐ LIKELY ACTIVE |
| BPBeaumont Plant #7 | Beaumont | CA | Nonmetallic Mineral Product Manufacturing327320 | 1-19 | ◐ LIKELY ACTIVE |
| BBBig Bear Plant #35 | Big Bear Lake | CA | Nonmetallic Mineral Product Manufacturing327320 | 1-19 | ◐ LIKELY ACTIVE |
| BTBlock Tops - Sacramento | Sacramento | CA | Nonmetallic Mineral Product Manufacturing327991 | 20-99 | ◐ LIKELY ACTIVE |
| BIBMINA, Inc, SW Div | Dixon | CA | Nonmetallic Mineral Product Manufacturing327390 | 100-499 | ◐ LIKELY ACTIVE |
| BPBoundary Peak Ready Mix LLC | Bishop | CA | Nonmetallic Mineral Product Manufacturing327320 | — | ◐ LIKELY ACTIVE |
| B3Branch 321 | Santa Cruz | CA | Nonmetallic Mineral Product Manufacturing327320 | 20-99 | ◐ LIKELY ACTIVE |
| B3Branch 361 | San Jose | CA | Nonmetallic Mineral Product Manufacturing327320 | 20-99 | ◐ LIKELY ACTIVE |
| BGBrandt Group, INC. | Newport Beach | CA | Nonmetallic Mineral Product Manufacturing327390 | — | ◐ LIKELY ACTIVE |
| BCBrimstone Commercial, LLC | Oakland | CA | Nonmetallic Mineral Product Manufacturing327310 | — | ◐ LIKELY ACTIVE |
| BCBuilders Concrete/Bakersfield | Bakersfield | CA | Nonmetallic Mineral Product Manufacturing327320 | 20-99 | ◐ LIKELY ACTIVE |
| BCBuilders Concrete/Sanger | Sanger | CA | Nonmetallic Mineral Product Manufacturing327320 | 20-99 | ◐ LIKELY ACTIVE |
| BGBullseye Glass Company - Resource Center - BA | Alameda | CA | Nonmetallic Mineral Product Manufacturing327211 | 1-19 | ◐ LIKELY ACTIVE |
| BGBullseye Glass Co. Resource Center - LA | South Pasadena | CA | Nonmetallic Mineral Product Manufacturing327211 | 1-19 | ◐ LIKELY ACTIVE |
| CCC2 California Anaheim 1341 Blue Gum Street | Anaheim | CA | Nonmetallic Mineral Product Manufacturing327991 | 1-19 | ◐ LIKELY ACTIVE |
| CCC2 California Placentia 330 West Crowther Avenue | Placentia | CA | Nonmetallic Mineral Product Manufacturing327991 | 1-19 | ◐ LIKELY ACTIVE |
| CACA015 Antioch Gypsum | Antioch | CA | Nonmetallic Mineral Product Manufacturing327420 | 100-499 | ◐ LIKELY ACTIVE |
| CCCalifornia City Plant #46 | California City | CA | Nonmetallic Mineral Product Manufacturing327320 | 1-19 | ◐ LIKELY ACTIVE |
| CCCalifornia Corona 391 N Main Street | Corona | CA | Nonmetallic Mineral Product Manufacturing327991 | 1-19 | ◐ LIKELY ACTIVE |
| CCCalifornia Corona 507 Queensland Circle | Corona | CA | Nonmetallic Mineral Product Manufacturing327991 | 1-19 | ◐ LIKELY ACTIVE |
| CFCalifornia Fresno 2861 E Dorothy Ave | Fresno | CA | Nonmetallic Mineral Product Manufacturing327991 | 1-19 | ◐ LIKELY ACTIVE |
| CGCalifornia Gilroy 8155 Swanston Lane | Gilroy | CA | Nonmetallic Mineral Product Manufacturing327991 | 20-99 | ◐ LIKELY ACTIVE |
| CICalifornia Irvine 4 Jenner Street | Irvine | CA | Nonmetallic Mineral Product Manufacturing327991 | 1-19 | ◐ LIKELY ACTIVE |
| CICalifornia Irvine 75 Doppler | Irvine | CA | Nonmetallic Mineral Product Manufacturing327991 | 1-19 | ◐ LIKELY ACTIVE |
| CLCalifornia La Mirada 14600 Alondra Blvd | La Mirada | CA | Nonmetallic Mineral Product Manufacturing327991 | 20-99 | ◐ LIKELY ACTIVE |
| CLCalifornia Lathrop Christopher Way | Lathrop | CA | Nonmetallic Mineral Product Manufacturing327991 | 20-99 | ◐ LIKELY ACTIVE |