| RTRaceways Technology & Mfg. CO. | Quincy | — | ◇ UNVERIFIED |
| RPRaintree Products | Bellingham | — | ◇ UNVERIFIED |
| RRR & R Plastics | Vancouver | — | ◇ UNVERIFIED |
| SLSea Lect Plastics Corporation | Everett | — | ◇ UNVERIFIED |
| SLSkt2 LLC | Camas | — | ◇ UNVERIFIED |
| SLSkt2, LLC | Camas | — | ◇ UNVERIFIED |
| SSmithway | Arlington | — | ◇ UNVERIFIED |
 Sound Manufacturing INC | Kent | — | ◇ UNVERIFIED |
| SSS. Scott & Associates LLC | Vancouver | — | ◇ UNVERIFIED |
| SPSuperlon Plastic Pipe | Tacoma | — | ◇ UNVERIFIED |
| TAThe Arlington Warehouse | Arlington | — | ◇ UNVERIFIED |
| TTrulife | Poulsbo | — | ◇ UNVERIFIED |
| VIVelendo Inc | Vancouver | — | ◇ UNVERIFIED |
| VPVenco Products | Spokane | — | ◇ UNVERIFIED |
| VWVPC Walla Walla LLC | Walla Walla | — | ◇ UNVERIFIED |
| WCWa317935170 - Cascade Quality Molding INC | Yakima | — | ◇ UNVERIFIED |
| WCWa317935500 - C4 Enterprises INC | Mukilteo | — | ◇ UNVERIFIED |
| WAWa317935722 - American Plastic Manufacturing | Seattle | — | ◇ UNVERIFIED |
| WCWa317935913 - Commercial Tire INC | Mesa | — | ◇ UNVERIFIED |
| WFWa317936250 - Fiberglass Structures Pacific Northwest INC | Arlington | — | ◇ UNVERIFIED |
| WJWa317936402 - J M Manufacturing Company INC | Sunnyside | — | ◇ UNVERIFIED |
| WLWa317937105 - Liberty Bottle Company | Union Gap | — | ◇ UNVERIFIED |
| WUWa317937869 - Ultra Poly INC | Tacoma | — | ◇ UNVERIFIED |
| WCWa317937931 - Cfm Consolidated INC | Fife | — | ◇ UNVERIFIED |
| WPWa317938401 - Ply Gem Industries INC | Auburn | — | ◇ UNVERIFIED |
| WMWa317938785 - Myco Molding INC | Bellingham | — | ◇ UNVERIFIED |
| WAWa317938956 - Amtech LLC | Wapato | — | ◇ UNVERIFIED |
| WPWa317939481 - Pacific Research Laboratories INC | Vashon | — | ◇ UNVERIFIED |
| WTWa317939542 - Thermal Hydra Plastics LLC | Woodinville | — | ◇ UNVERIFIED |
| WCWa317939753 - Coeur D'alene Window Company LLC | Spokane | — | ◇ UNVERIFIED |
| WPWa317940270 - Pacific Insulated Panel LLC | Arlington | — | ◇ UNVERIFIED |
| WPWa317940722 - Ply Gem Industries INC | Tumwater | — | ◇ UNVERIFIED |
| WMWa317941364 - Mohawk Northern Plastic LLC | Auburn | — | ◇ UNVERIFIED |
| WPWa317941821 - Proto Technologies INC | Liberty Lake | — | ◇ UNVERIFIED |
| WLWa317941962 - Lindsay Windows Washington LLC | Lakewood | — | ◇ UNVERIFIED |
| WJWa317942319 - J M Mcconkey & CO INC | Sumner | — | ◇ UNVERIFIED |
| WVWa317943855 - Vfx Foam LLC | Ferndale | — | ◇ UNVERIFIED |
| WCWa317944585 - Cascade Windows | Spokane Valley | — | ◇ UNVERIFIED |
| WNWa317945188 - Norplex INC | Auburn | — | ◇ UNVERIFIED |
| WFWa317945286 - Fxi INC | Kent | — | ◇ UNVERIFIED |
| WPWa317945468 - Paragon Films INC | Yakima | — | ◇ UNVERIFIED |
| WAWa317946040 - American Cushion Industries, I | Shelton | — | ◇ UNVERIFIED |
| WSWa317946170 - Smak Equipment Leasing INC | Vancouver | — | ◇ UNVERIFIED |
| WRWa317946177 - Redwood Plastics and Rubber Corporation | Woodland | — | ◇ UNVERIFIED |
| WWWa317946764 - West Coast Plastics INC | Yakima | — | ◇ UNVERIFIED |
| WCWa317946792 - Carbon Silica Partners LP | Burlington | — | ◇ UNVERIFIED |
| WDWa317947113 - Dart Container Corporation of Georgia | Tacoma | — | ◇ UNVERIFIED |
| WCWa317947362 - Clear Industries LLC | Poulsbo | — | ◇ UNVERIFIED |
| WCWa317947601 - Commercial Tire INC | Kennewick | — | ◇ UNVERIFIED |
| WCWa317947888 - Commercial Tire INC | Moses Lake | — | ◇ UNVERIFIED |
