Knife River Prestress, INC | Newman Lake | WA | Nonmetallic Mineral Product Manufacturing327390 | 100-499 | ● ACTIVE |
| CTConcrete Technology Corporation | Tacoma | WA | Nonmetallic Mineral Product Manufacturing327390 | 100-499 | ● ACTIVE |
Omega Industries, INC | Vancouver | WA | Nonmetallic Mineral Product Manufacturing327390 | 100-499 | ● ACTIVE |
Spokane Wilbert Vault Company | Spokane | WA | Nonmetallic Mineral Product Manufacturing327390 | 100-499 | ● ACTIVE |
| EMElectric Mirror, LLC | Everett | WA | Nonmetallic Mineral Product Manufacturing327215 | 100-499 | ◐ LIKELY ACTIVE |
| KIKyocera International INC | Vancouver | WA | Nonmetallic Mineral Product Manufacturing327110 | 100-499 | ◐ LIKELY ACTIVE |
| RSRec Solar Grade Silicon | Moses Lake | WA | Nonmetallic Mineral Product Manufacturing327992 | 100-499 | ◐ LIKELY ACTIVE |
| FCFLOFORM Countertops | Kent | WA | Nonmetallic Mineral Product Manufacturing327991 | 100-499 | ◐ LIKELY ACTIVE |
| KIKyocera International INC | Vancouver | WA | Nonmetallic Mineral Product Manufacturing327110 | 100-499 | ▲ REPORTED CLOSED |
| MMMutual Materials CO Bellevue | Bellevue | WA | Nonmetallic Mineral Product Manufacturing327121 | 100-499 | ◐ LIKELY ACTIVE |
| HGHartung Glass Tukwila WA | Tukwila | WA | Nonmetallic Mineral Product Manufacturing327211 | 100-499 | ◐ LIKELY ACTIVE |
| QTQuarry Tile CO | Spokane | WA | Nonmetallic Mineral Product Manufacturing327120 | 100-499 | ◇ UNVERIFIED |
| CCertainTeed | Seattle | WA | Nonmetallic Mineral Product Manufacturing327420 | 100-499 | ◐ LIKELY ACTIVE |
| HPH2 Precast Inc | East Wenatchee | WA | Nonmetallic Mineral Product Manufacturing327390 | 100-499 | ◐ LIKELY ACTIVE |
| HGHartung Glass Renton | Renton | WA | Nonmetallic Mineral Product Manufacturing327211 | 100-499 | ◐ LIKELY ACTIVE |
| HPHM PNW- Sumner | Sumner | WA | Nonmetallic Mineral Product Manufacturing327320 | 100-499 | ◐ LIKELY ACTIVE |
| JHJames Hardie | Tacoma | WA | Nonmetallic Mineral Product Manufacturing327390 | 100-499 | ◐ LIKELY ACTIVE |
| MMorton | Morton | WA | Wood Product Manufacturing321113 | 100-499 | ◐ LIKELY ACTIVE |
| TCTopLine Counters | Sumner | WA | Nonmetallic Mineral Product Manufacturing327991 | 100-499 | ◐ LIKELY ACTIVE |
| WTWA075 Tacoma Gypsum | Tacoma | WA | Nonmetallic Mineral Product Manufacturing327420 | 100-499 | ◐ LIKELY ACTIVE |
| WFWinlock FG | Winlock | WA | Nonmetallic Mineral Product Manufacturing327211 | 100-499 | ◐ LIKELY ACTIVE |