| P7Parcel 77 Auto Import Terminal | Tacoma | WA | Primary Metal Manufacturing331312 | — | ◇ UNVERIFIED |
| P1Park 16 Apartments | Federal Way | WA | Plastics and Rubber Products Manufacturing326199 | — | ◇ UNVERIFIED |
| PPParker Paint Manufacturing CO INC | Tacoma | WA | Chemical Manufacturing325510 | — | ◇ UNVERIFIED |
| PPPasquier Panel Products | Sumner | WA | Wood Product Manufacturing321212 | — | ◇ UNVERIFIED |
| PCPcl Construction Services | Auburn | WA | Nonmetallic Mineral Product Manufacturing327320 | — | ◇ UNVERIFIED |
| PEPe Ell Hulk Hauling | Aberdeen | WA | Chemical Manufacturing325199 | — | ◇ UNVERIFIED |
| PPPerry Pallet Company | Ferndale | WA | Wood Product Manufacturing321920 | — | ◇ UNVERIFIED |
| PPPerstorp Plastic Systems Site | Lakewood | WA | Plastics and Rubber Products Manufacturing326199 | — | ◇ UNVERIFIED |
| PNPetermann Northwest | Seattle | WA | Transportation Equipment Manufacturing336211 | — | ◇ UNVERIFIED |
| PLPhenopath Laboratories | Seattle | WA | Paper Manufacturing322221 | — | ◇ UNVERIFIED |
| PCPilgrim Canopy CO | Spokane | WA | Plastics and Rubber Products Manufacturing326199 | — | ◇ UNVERIFIED |
| PIPioneer Industries Seattle | Seattle | WA | Fabricated Metal Product Manufacturing332812 | — | ◇ UNVERIFIED |
| PSPliant Site | Kent | WA | Printing and Related Support Activities323111 | — | ◇ UNVERIFIED |
| PSPmo Sbct Stryker Brigade Combat Team | Sumner | WA | Transportation Equipment Manufacturing336992 | — | ◇ UNVERIFIED |
| PAPort Angeles Marine INC | Port Angeles | WA | Transportation Equipment Manufacturing336611 | — | ◇ UNVERIFIED |
| PAPort Angeles Rayonier Mill Site | Port Angeles | WA | Paper Manufacturing322100 | — | ◇ UNVERIFIED |
| POPort of Ilwaco Boatyard and Marina | Ilwaco | WA | Transportation Equipment Manufacturing336612 | — | ◇ UNVERIFIED |
| POPort of Olympia Cascade Pole Site | Olympia | WA | Wood Product Manufacturing321114 | — | ◇ UNVERIFIED |
| POPort Orchard Sandg Brem Rock Pit | Bremerton | WA | Nonmetallic Mineral Product Manufacturing327999 | — | ◇ UNVERIFIED |
| PCPq Corporation | Tacoma | WA | Chemical Manufacturing325188 | — | ◇ UNVERIFIED |
| PRPraegitzer Redmond | Redmond | WA | Computer and Electronic Product Manufacturing334412 | — | ◇ UNVERIFIED |
| PEPrecision Engines LLC | Everett | WA | Transportation Equipment Manufacturing336412 | — | ◇ UNVERIFIED |
| PSPremium Shingle | Forks | WA | Wood Product Manufacturing321113 | — | ◇ UNVERIFIED |
| PCPrinting Control Graphics | Tukwila | WA | Printing and Related Support Activities323111 | — | ◇ UNVERIFIED |
| PCPro Coat Everett | Everett | WA | Wood Product Manufacturing321911 | — | ◇ UNVERIFIED |
| PPProduction Plating INC Powdercoat Facili | Mukilteo | WA | Fabricated Metal Product Manufacturing332812 | — | ◇ UNVERIFIED |
| PMProto Mfg | Spokane | WA | Fabricated Metal Product Manufacturing332322 | — | ◇ UNVERIFIED |
| PCPrototron Circuits | Redmond | WA | Computer and Electronic Product Manufacturing334412 | — | ◇ UNVERIFIED |
| PGPryor Giggey CO | Chehalis | WA | Nonmetallic Mineral Product Manufacturing327120 | — | ◇ UNVERIFIED |
| PLPsm LLC | Woodinville | WA | Machinery Manufacturing333120 | — | ◇ UNVERIFIED |
| QFQual Fab INC | Seattle | WA | Fabricated Metal Product Manufacturing332322 | — | ◇ UNVERIFIED |
| QQualitel | Redmond | WA | Computer and Electronic Product Manufacturing334412 | — | ◇ UNVERIFIED |
| QCQuality Controlled Manufacturing Site | Kent | WA | Chemical Manufacturing325211 | — | ◇ UNVERIFIED |
| QLQuality Liquid Feeds, INC | Granger | WA | Food Manufacturing311119 | — | ◇ UNVERIFIED |
| QCQuantum Clean | Washougal | WA | Chemical Manufacturing325188 | — | ◇ UNVERIFIED |
| QTQuarry Tile CO | Spokane | WA | Nonmetallic Mineral Product Manufacturing327120 | 100-499 | ◇ UNVERIFIED |
| QTQuendall Terminals | Renton | WA | Wood Product Manufacturing321114 | — | ◇ UNVERIFIED |
| QCQuil Ceda Tanning | Marysville | WA | Leather and Allied Product Manufacturing316110 | — | ◇ UNVERIFIED |
| RTRaceway Technology | Tacoma | WA | Plastics and Rubber Products Manufacturing326122 | — | ◇ UNVERIFIED |
| RBRainier Ballistics LLC | Tacoma | WA | Fabricated Metal Product Manufacturing332813 | — | ◇ UNVERIFIED |
| RBRainier Brewery | Seattle | WA | Beverage and Tobacco Product Manufacturing312120 | — | ◇ UNVERIFIED |
| RPRainier Pallet & Crating CORP Aub | Auburn | WA | Wood Product Manufacturing321920 | — | ◇ UNVERIFIED |
| RDRainy Day Shake & Shingle INC | Forks | WA | Wood Product Manufacturing321113 | — | ◇ UNVERIFIED |
| RFRalcorp Frozen Bakery Products | Kent | WA | Food Manufacturing311412 | — | ◇ UNVERIFIED |
| RGRayonier Grays Harbor Dock | Hoquiam | WA | Wood Product Manufacturing321113 | — | ◇ UNVERIFIED |
| R1Recovery 1 | Tacoma | WA | Miscellaneous Manufacturing339999 | — | ◇ UNVERIFIED |
| RCReece Construction Company | Arlington | WA | Nonmetallic Mineral Product Manufacturing327390 | — | ◇ UNVERIFIED |
| RBRendova Boats | Rochester | WA | Transportation Equipment Manufacturing336214 | — | ◇ UNVERIFIED |
| RTRepair Technology INC | Seattle | WA | Fabricated Metal Product Manufacturing332813 | — | ◇ UNVERIFIED |
| RRResource Recovery Group | Grandview | WA | Food Manufacturing311111 | — | ◇ UNVERIFIED |
