| RSRoss Simmons Lumber CO | Longview | — | ◐ LIKELY ACTIVE |
| SLSkookum Lumber Plant | Shelton | — | ◐ LIKELY ACTIVE |
| SCStella-jones Corporation Bellingham | Bellingham | — | ◐ LIKELY ACTIVE |
| TTThe Truss Company | Sumner | 100–499 | ◐ LIKELY ACTIVE |
| TTThe Truss Company and Building Supply-pasco | Pasco | 20–99 | ◐ LIKELY ACTIVE |
| UWUFP Washington, LLC | Yakima | 20–99 | ◐ LIKELY ACTIVE |
| WWWa Wsu Vancouver Branch Campus | Vancouver | — | ◐ LIKELY ACTIVE |
| WCWeyerhaeuser CO Raymond Lumbermill | Raymond | — | ◐ LIKELY ACTIVE |
| ACAffordable Custom Cabinets | Otis Orchards | — | ◐ LIKELY ACTIVE |
| CSCrating Specialties | Kent | 20–99 | ◐ LIKELY ACTIVE |
| JRJr Reding Company | Tacoma | — | ◐ LIKELY ACTIVE |
| MLManke Lumber CO INC Shelton Log Dump | Shelton | — | ◐ LIKELY ACTIVE |
| MRMerrill Ring INC | Port Angeles | 1–19 | ◐ LIKELY ACTIVE |
| MPMichelson Packaging Company | Yakima | 100–499 | ◐ LIKELY ACTIVE |
| MVMurphy Veneer Elma Division | Elma | — | ◐ LIKELY ACTIVE |
| NBNorthwest Building Tech | Seattle | — | ◐ LIKELY ACTIVE |
| OCOeser CO | Bellingham | — | ◐ LIKELY ACTIVE |
| PCPacific Coast Shredding | Vancouver | — | ◐ LIKELY ACTIVE |
| SISocco INC | Sumas | — | ◐ LIKELY ACTIVE |
| SWStimson Washington INC | Colville | — | ◐ LIKELY ACTIVE |
| WRWa317937749 - Rack & Maintenance Source LLC | College Place | 1–19 | ◐ LIKELY ACTIVE |
| WSWa317938712 - South Everson Lumber CO INC | Everson | 100–499 | ◐ LIKELY ACTIVE |
| WSWa317940036 - Shelton Structures INC | Chehalis | 20–99 | ◐ LIKELY ACTIVE |
| WFWa317945020 - Frank Brooks Manufacturing | Bellingham | 20–99 | ◐ LIKELY ACTIVE |
| WCWeyerhauser Company | Seattle | 500+ | ◐ LIKELY ACTIVE |
| ALAero Lac INC | Seattle | — | ◇ UNVERIFIED |
| BDBarmon Door and Plywood Site | Lake Stevens | — | ◇ UNVERIFIED |
| BWBuffelen Woodworking CO | Tacoma | — | ◇ UNVERIFIED |
| CCablecom | Snohomish | — | ◇ UNVERIFIED |
| CCCalvert CO INC Washougal | Washougal | — | ◇ UNVERIFIED |
| CLCapital Lumber | Tacoma | — | ◇ UNVERIFIED |
| CPCoastcraft Property | Tacoma | — | ◇ UNVERIFIED |
| CIColville Indian Precision Pine | Omak | — | ◇ UNVERIFIED |
| CPColville Post and Poles INC | Colville | — | ◇ UNVERIFIED |
| DCDapaul Chip | Olympia | — | ◇ UNVERIFIED |
| DEDunollie Enterprises LLC Yakima | Yakima | — | ◇ UNVERIFIED |
| EHEagle Harbor Wyckoff | Bainbridge Island | — | ◇ UNVERIFIED |
| ECEdman CO Side 1 Marine View Dr | Tacoma | — | ◇ UNVERIFIED |
| FTFred Tebb and Sons INC | Tacoma | — | ◇ UNVERIFIED |
| GUGosford USA | Everett | — | ◇ UNVERIFIED |
| GCGreen Creek Wood Products | Port Angeles | — | ◇ UNVERIFIED |
Green Mountain Sawmill Site | Toutle | — | ◇ UNVERIFIED |
| HLHampton Lumber Mills Arlington Di | Arlington | — | ◇ UNVERIFIED |
| HLHampton Lumber Mills Packwood Site | Randle | — | ◇ UNVERIFIED |
| IPInterfor Pacific INC | Marysville | — | ◇ UNVERIFIED |
| KRKangas Road Project | Toledo | — | ◇ UNVERIFIED |
| KPKitchen Plus Cabinet Shop | Kirkland | — | ◇ UNVERIFIED |
| KPK Ply | Port Angeles | — | ◇ UNVERIFIED |
| LBLumbermens Building Center Kennewick | Kennewick | — | ◇ UNVERIFIED |
| MBMayr Bros Lumber Hoquiam Site | Hoquiam | — | ◇ UNVERIFIED |