| FHFred Hill Materials | Poulsbo | WA | Nonmetallic Mineral Product Manufacturing327320 | — | ◇ UNVERIFIED |
| GNGlacier Northwest Chehalis Plant | Chehalis | WA | Nonmetallic Mineral Product Manufacturing327320 | — | ◇ UNVERIFIED |
| CSConcrete Shop INC | Vancouver | WA | Nonmetallic Mineral Product Manufacturing327390 | 1-19 | ◇ UNVERIFIED |
| OPOlympian Precast INC | Redmond | WA | Nonmetallic Mineral Product Manufacturing327331 | 20-99 | ◇ UNVERIFIED |
| CICadman INC Gold Bar | Gold Bar | WA | Nonmetallic Mineral Product Manufacturing327320 | — | ◇ UNVERIFIED |
| COCadman Orchards Facility | Vancouver | WA | Nonmetallic Mineral Product Manufacturing327320 | — | ◇ UNVERIFIED |
| CSCadman Seattle INC | Seattle | WA | Nonmetallic Mineral Product Manufacturing327320 | — | ◇ UNVERIFIED |
| CTCarlile Transportation Systems | Tacoma | WA | Nonmetallic Mineral Product Manufacturing327993 | — | ◇ UNVERIFIED |
| CTCertain Teed Gypsum INC | Kent | WA | Nonmetallic Mineral Product Manufacturing327420 | — | ◇ UNVERIFIED |
| CNConcrete Norwest Getchell Pit | Lake Stevens | WA | Nonmetallic Mineral Product Manufacturing327390 | — | ◇ UNVERIFIED |
| CDCoulee Dam Concrete / Elmer City Concrete | Coulee Dam | WA | Nonmetallic Mineral Product Manufacturing327320 | — | ◇ UNVERIFIED |
| CDCpm Development Corporation Quincy | Quincy | WA | Nonmetallic Mineral Product Manufacturing327320 | — | ◇ UNVERIFIED |
| CPCxt-precast Plant | Spokane | WA | Nonmetallic Mineral Product Manufacturing327999 | — | ◇ UNVERIFIED |
| ESEldorado Stone Royal City Facility | Royal City | WA | Nonmetallic Mineral Product Manufacturing327390 | — | ◇ UNVERIFIED |
| GNGlacier Nw Reichhold Mtca | Seattle | WA | Nonmetallic Mineral Product Manufacturing327310 | — | ◇ UNVERIFIED |
| HCHolroyd CO Lakewood | Lakewood | WA | Nonmetallic Mineral Product Manufacturing327320 | — | ◇ UNVERIFIED |
| KIKyocera International | Vancouver | WA | Nonmetallic Mineral Product Manufacturing327110 | — | ◇ UNVERIFIED |
| LCLehigh Cement CO | Metaline Falls | WA | Nonmetallic Mineral Product Manufacturing327310 | — | ◇ UNVERIFIED |
| MMonierlifetile | Tacoma | WA | Nonmetallic Mineral Product Manufacturing327390 | — | ◇ UNVERIFIED |
| MMMutual Materials CO Newcastle | Bellevue | WA | Nonmetallic Mineral Product Manufacturing327121 | — | ◇ UNVERIFIED |
| NTNewcold Tacoma | Tacoma | WA | Nonmetallic Mineral Product Manufacturing327332 | — | ◇ UNVERIFIED |
| NMNorth Marina Ameron Hulbert | Everett | WA | Nonmetallic Mineral Product Manufacturing327390 | — | ◇ UNVERIFIED |
| OBOldcastle Buildingenvelope Vancouver | Battle Ground | WA | Nonmetallic Mineral Product Manufacturing327215 | — | ◇ UNVERIFIED |
| PGPacific Grinding Wheel CO | Marysville | WA | Nonmetallic Mineral Product Manufacturing327910 | — | ◇ UNVERIFIED |
| PCPcl Construction Services | Auburn | WA | Nonmetallic Mineral Product Manufacturing327320 | — | ◇ UNVERIFIED |
| POPort Orchard Sandg Brem Rock Pit | Bremerton | WA | Nonmetallic Mineral Product Manufacturing327999 | — | ◇ UNVERIFIED |
| PGPryor Giggey CO | Chehalis | WA | Nonmetallic Mineral Product Manufacturing327120 | — | ◇ UNVERIFIED |
| QTQuarry Tile CO | Spokane | WA | Nonmetallic Mineral Product Manufacturing327120 | 100-499 | ◇ UNVERIFIED |
| RCReece Construction Company | Arlington | WA | Nonmetallic Mineral Product Manufacturing327390 | — | ◇ UNVERIFIED |
| SBScarsella Bros Cascade Quarry | Gold Bar | WA | Nonmetallic Mineral Product Manufacturing327991 | — | ◇ UNVERIFIED |
| SGStemilt Growers Miller Street Facility | Wenatchee | WA | Nonmetallic Mineral Product Manufacturing327999 | — | ◇ UNVERIFIED |
| SCStoneway Concrete Houser Way | Renton | WA | Nonmetallic Mineral Product Manufacturing327320 | — | ◇ UNVERIFIED |
| TITopsoils INC 19003 | Snohomish | WA | Nonmetallic Mineral Product Manufacturing327999 | — | ◇ UNVERIFIED |
| VSVashon Sand and Gravel INC | Vashon | WA | Nonmetallic Mineral Product Manufacturing327320 | — | ◇ UNVERIFIED |
| WTWashington Trucking INC Marysville | Marysville | WA | Nonmetallic Mineral Product Manufacturing327999 | — | ◇ UNVERIFIED |
| WWWa Wsu Long Beach Research and Ext Unit | Long Beach | WA | Nonmetallic Mineral Product Manufacturing327320 | — | ◇ UNVERIFIED |
| WRWheeler Rock Products | Wapato | WA | Nonmetallic Mineral Product Manufacturing327999 | — | ◇ UNVERIFIED |
| BRBayview Redi Mix INC | Aberdeen | WA | Nonmetallic Mineral Product Manufacturing327320 | 1-19 | ◇ UNVERIFIED |
| BPBode's Precast | Everson | WA | Nonmetallic Mineral Product Manufacturing327320 | 1-19 | ◇ UNVERIFIED |
| BPBruning Pottery Inc | Snohomish | WA | Nonmetallic Mineral Product Manufacturing327110 | 1-19 | ◇ UNVERIFIED |
| EGEvergreen Granite & Cabinet Su | Everett | WA | Nonmetallic Mineral Product Manufacturing327991 | 1-19 | ◇ UNVERIFIED |
| GGGeorgia-pacific Gypsum LLC | Tacoma | WA | Nonmetallic Mineral Product Manufacturing327420 | — | ◇ UNVERIFIED |
| OSOrnamental Stone INC | Allyn | WA | Nonmetallic Mineral Product Manufacturing327390 | 1-19 | ◇ UNVERIFIED |
| RHRock Hill Concrete LLC | Dayton | WA | Nonmetallic Mineral Product Manufacturing327390 | 1-19 | ◇ UNVERIFIED |
| WAWa317934818 - Architectural Precast Accessories CO INC | Snohomish | WA | Nonmetallic Mineral Product Manufacturing327991 | 1-19 | ◇ UNVERIFIED |
| WWWa317936751 - Washington Marble Works INC | Sumner | WA | Nonmetallic Mineral Product Manufacturing327991 | 1-19 | ◇ UNVERIFIED |
| WEWa317936922 - Ennco Display Systems INC | Redmond | WA | Nonmetallic Mineral Product Manufacturing327212 | 1-19 | ◇ UNVERIFIED |
| WPWa317942930 - Precast By Design INC | Elk | WA | Nonmetallic Mineral Product Manufacturing327331 | 1-19 | ◇ UNVERIFIED |
| WTWa317949525 - Tacoma Glass Manufacturing INC | Lakewood | WA | Nonmetallic Mineral Product Manufacturing327215 | — | ◇ UNVERIFIED |
| WBWhite Block Company INC | Spokane | WA | Nonmetallic Mineral Product Manufacturing327331 | 20-99 | ◇ UNVERIFIED |