| TCTopLine Counters | Sumner | WA | Nonmetallic Mineral Product Manufacturing327991 | 100-499 | ◐ LIKELY ACTIVE |
| TTumwater | Tumwater | WA | Nonmetallic Mineral Product Manufacturing327320 | 1-19 | ◐ LIKELY ACTIVE |
| TCTumwater CG | Tumwater | WA | Nonmetallic Mineral Product Manufacturing327215 | 100-499 | ◐ LIKELY ACTIVE |
| VCVision Craft Inc. | Yakima | WA | Nonmetallic Mineral Product Manufacturing327215 | 1-19 | ◐ LIKELY ACTIVE |
voestalpine Railway Systems Nortrak LLC | Spokane Valley | WA | Nonmetallic Mineral Product Manufacturing327390 | 20-99 | ◐ LIKELY ACTIVE |
| WTWA075 Tacoma Gypsum | Tacoma | WA | Nonmetallic Mineral Product Manufacturing327420 | 100-499 | ◐ LIKELY ACTIVE |
| WAWashington Auburn 1812 B Street | Auburn | WA | Nonmetallic Mineral Product Manufacturing327991 | 20-99 | ◐ LIKELY ACTIVE |
| WCWashington Cle Elum 518 East 1st Street | Cle Elum | WA | Nonmetallic Mineral Product Manufacturing327991 | 1-19 | ◐ LIKELY ACTIVE |
| WEWashington Everett 2525 West Casino Road | Everett | WA | Nonmetallic Mineral Product Manufacturing327991 | 1-19 | ◐ LIKELY ACTIVE |
| WKWashington Kent 6911 S 196th St | Kent | WA | Nonmetallic Mineral Product Manufacturing327991 | 20-99 | ◐ LIKELY ACTIVE |
| WKWashington Kirkland 3801 108th Avenue | Kirkland | WA | Nonmetallic Mineral Product Manufacturing327991 | 1-19 | ◐ LIKELY ACTIVE |
| WTWashington Tacoma 4802 Tacoma Mall Blvd | Tacoma | WA | Nonmetallic Mineral Product Manufacturing327991 | 1-19 | ◐ LIKELY ACTIVE |
| WVWest Vancouver | Vancouver | WA | Nonmetallic Mineral Product Manufacturing327320 | 20-99 | ◐ LIKELY ACTIVE |
| WFWinlock FG | Winlock | WA | Nonmetallic Mineral Product Manufacturing327211 | 100-499 | ◐ LIKELY ACTIVE |
| YYelm | Yelm | WA | Nonmetallic Mineral Product Manufacturing327320 | 1-19 | ◐ LIKELY ACTIVE |
| EGElite Group Ready Mix INC | Ephrata | WA | Nonmetallic Mineral Product Manufacturing327320 | — | ◐ LIKELY ACTIVE |
| WTWa317949525 - Tacoma Glass Manufacturing INC | Lakewood | WA | Nonmetallic Mineral Product Manufacturing327215 | — | ◇ UNVERIFIED |
| AEAmpac Enterprises INC | Tacoma | WA | Nonmetallic Mineral Product Manufacturing327211 | — | ◇ UNVERIFIED |
| AVApple Valley Sand & Gravel | East Wenatchee | WA | Nonmetallic Mineral Product Manufacturing327320 | — | ◇ UNVERIFIED |
| AVApple Valley Sand & Gravel | Wenatchee | WA | Nonmetallic Mineral Product Manufacturing327320 | — | ◇ UNVERIFIED |
| AGAsh Grove Cement Company-seattle | Seattle | WA | Nonmetallic Mineral Product Manufacturing327310 | — | ◇ UNVERIFIED |
| BIBakken Industries, Inc. | Vancouver | WA | Nonmetallic Mineral Product Manufacturing327215 | — | ◇ UNVERIFIED |
| BRBayview Redi Mix INC | Aberdeen | WA | Nonmetallic Mineral Product Manufacturing327320 | — | ◇ UNVERIFIED |
| BPBode's Precast | Mount Vernon | WA | Nonmetallic Mineral Product Manufacturing327320 | — | ◇ UNVERIFIED |
| BPBode's Precast | Everson | WA | Nonmetallic Mineral Product Manufacturing327320 | — | ◇ UNVERIFIED |
| BIBrothers Investment LLC | Lakewood | WA | Nonmetallic Mineral Product Manufacturing327991 | — | ◇ UNVERIFIED |
| CPCentral Pre Mix Concrete Park Rd | Spokane | WA | Nonmetallic Mineral Product Manufacturing327320 | — | ◇ UNVERIFIED |
| CPCentral Pre-mix Mattawa | Mattawa | WA | Nonmetallic Mineral Product Manufacturing327320 | — | ◇ UNVERIFIED |
| CPCentral Pre Mix Prestress CO | Spokane | WA | Nonmetallic Mineral Product Manufacturing327390 | — | ◇ UNVERIFIED |
| CPCentral Pre-mix Sullivan Road | Spokane | WA | Nonmetallic Mineral Product Manufacturing327320 | — | ◇ UNVERIFIED |
| CWCentral Washington Concrete Moses Lake | Moses Lake | WA | Nonmetallic Mineral Product Manufacturing327320 | — | ◇ UNVERIFIED |
| CWCentral Washington Concrete Othello | Othello | WA | Nonmetallic Mineral Product Manufacturing327320 | — | ◇ UNVERIFIED |
| CIChihuly INC | Tacoma | WA | Nonmetallic Mineral Product Manufacturing327215 | — | ◇ UNVERIFIED |
| CKClo K Stoneworks LLC | Bellingham | WA | Nonmetallic Mineral Product Manufacturing327991 | — | ◇ UNVERIFIED |
| CLCmu, LLC | Puyallup | WA | Nonmetallic Mineral Product Manufacturing327310 | — | ◇ UNVERIFIED |
| CNConcrete Norwest Smith Island | Everett | WA | Nonmetallic Mineral Product Manufacturing327320 | — | ◇ UNVERIFIED |
| CPConcrete Products of Western Washington | Puyallup | WA | Nonmetallic Mineral Product Manufacturing327390 | — | ◇ UNVERIFIED |
| CWCourt Walker LLC | Seattle | WA | Nonmetallic Mineral Product Manufacturing327110 | — | ◇ UNVERIFIED |
| CWCourt Walker LLC | Seattle | WA | Nonmetallic Mineral Product Manufacturing327110 | — | ◇ UNVERIFIED |
| CWCourt Walker LLC | Seattle | WA | Nonmetallic Mineral Product Manufacturing327110 | — | ◇ UNVERIFIED |
| CGCowden Gravel Cowden INC | Bellingham | WA | Nonmetallic Mineral Product Manufacturing327320 | — | ◇ UNVERIFIED |
| CPC P M Development CORP | Spokane Valley | WA | Nonmetallic Mineral Product Manufacturing327320 | — | ◇ UNVERIFIED |
| CPC P M Development CORP | Tyler | WA | Nonmetallic Mineral Product Manufacturing327320 | — | ◇ UNVERIFIED |
| CPCumberland Property | Cumberland | WA | Nonmetallic Mineral Product Manufacturing327992 | — | ◇ UNVERIFIED |
| DWDavid Wight Glass Art, Inc. | Bellingham | WA | Nonmetallic Mineral Product Manufacturing327212 | — | ◇ UNVERIFIED |
| DCDrb Company | Snohomish | WA | Nonmetallic Mineral Product Manufacturing327331 | — | ◇ UNVERIFIED |
| EGEfni Group INC | Washougal | WA | Nonmetallic Mineral Product Manufacturing327320 | — | ◇ UNVERIFIED |
| EMElectric Mirror, LLC | Everett | WA | Nonmetallic Mineral Product Manufacturing327215 | — | ◇ UNVERIFIED |
| EIEsmp INC | Monroe | WA | Nonmetallic Mineral Product Manufacturing327390 | — | ◇ UNVERIFIED |
| EGEvergreen Granite & Cabinet Su | Everett | WA | Nonmetallic Mineral Product Manufacturing327991 | — | ◇ UNVERIFIED |