| OIOvalstrapping INC Hoquiam | Hoquiam | WA | Machinery Manufacturing333993 | — | ◐ LIKELY ACTIVE |
| OCOverbluff Cellars | Spokane | WA | Beverage and Tobacco Product Manufacturing312130 | 1-19 | ◐ LIKELY ACTIVE |
| OSOxarc Springfield | Spokane | WA | Chemical Manufacturing325120 | 1-19 | ◐ LIKELY ACTIVE |
| PCPacific Container CORP | Tacoma | WA | Paper Manufacturing322211 | 20-99 | ◐ LIKELY ACTIVE |
| PCPacific Crest Industries | Sumner | WA | Wood Product Manufacturing321999 | 100-499 | ◐ LIKELY ACTIVE |
| POPacific Office Solutions LLC | Yakima | WA | Miscellaneous Manufacturing339940 | 1-19 | ◐ LIKELY ACTIVE |
Pacific Research Laboratories, Inc | Vashon Island | WA | Plastics and Rubber Products Manufacturing326150 | 100-499 | ◐ LIKELY ACTIVE |
| PWPacific Western Timbers, INC. | Bremerton | WA | Transportation Equipment Manufacturing336413 | 1-19 | ◐ LIKELY ACTIVE |
| PWPalencia Winery | Benton City | WA | Beverage and Tobacco Product Manufacturing312130 | — | ◐ LIKELY ACTIVE |
| PWPalouse Winery | Vashon | WA | Beverage and Tobacco Product Manufacturing312130 | 1-19 | ◐ LIKELY ACTIVE |
| PEPan-pacific Electronics, INC. | Redmond | WA | Computer and Electronic Product Manufacturing334417 | 1-19 | ◐ LIKELY ACTIVE |
| PDParadisos Del Sol Winery | Zillah | WA | Beverage and Tobacco Product Manufacturing312130 | 1-19 | ◐ LIKELY ACTIVE |
| PTParr Truss Vancouver | Vancouver | WA | Wood Product Manufacturing321214 | — | ◐ LIKELY ACTIVE |
| PAPartners a Tasteful Choice CO | Des Moines | WA | Food Manufacturing311821 | 100-499 | ◐ LIKELY ACTIVE |
| PIPioneer Industries Plant 2 | Seattle | WA | Transportation Equipment Manufacturing336413 | 20-99 | ◐ LIKELY ACTIVE |
| PJP & J Machining Inc | Puyallup | WA | Computer and Electronic Product Manufacturing334511 | 20-99 | ◐ LIKELY ACTIVE |
| P2Plant 21 - SCAFCO/Spokane | Spokane | WA | Fabricated Metal Product Manufacturing332322 | 20-99 | ◐ LIKELY ACTIVE |
| PVPNW Veg Co., LLC dba Quincy Foods | Quincy | WA | Food Manufacturing311411 | 500+ | ◐ LIKELY ACTIVE |
| PIPolychemie INC | Longview | WA | Chemical Manufacturing325998 | — | ◐ LIKELY ACTIVE |
| PLPony Lumber Company LLC | Tacoma | WA | Wood Product Manufacturing321000 | — | ◐ LIKELY ACTIVE |
| PAPort Angeles Hardwood LLC. | Port Angeles | WA | Wood Product Manufacturing321113 | 20-99 | ◐ LIKELY ACTIVE |
| PWPortteus Winery, INC | Zillah | WA | Beverage and Tobacco Product Manufacturing312130 | 1-19 | ◐ LIKELY ACTIVE |
| PCPrecast Concrete LLC | Fife | WA | Nonmetallic Mineral Product Manufacturing327332 | 20-99 | ◐ LIKELY ACTIVE |
| PIPrecor Incorporated Woodinville | Woodinville | WA | Miscellaneous Manufacturing339920 | — | ◐ LIKELY ACTIVE |
| PBPropolis Brewing | Port Townsend | WA | Beverage and Tobacco Product Manufacturing312130 | — | ◐ LIKELY ACTIVE |
| PSPse Swarr Station | Renton | WA | Food Manufacturing311225 | — | ◐ LIKELY ACTIVE |
| PPPuget Paving | Puyallup | WA | Petroleum and Coal Products Manufacturing324121 | — | ◐ LIKELY ACTIVE |
| PPPurcell Painting & Coatings | Tukwila | WA | Chemical Manufacturing325510 | — | ◐ LIKELY ACTIVE |
| QSQuality Stamping & Machining, INC. | Sumner | WA | Miscellaneous Manufacturing339999 | 100-499 | ◐ LIKELY ACTIVE |
| QPQuinault Pride Seafood | Taholah | WA | Food Manufacturing311710 | 20-99 | ◐ LIKELY ACTIVE |
| RFRader Farms, Inc., BCS | Bellingham | WA | Food Manufacturing311411 | 100-499 | ◐ LIKELY ACTIVE |
| RWRadiance Winery | Manson | WA | Beverage and Tobacco Product Manufacturing312130 | 1-19 | ◐ LIKELY ACTIVE |
| RFRainmaker Farms, LLC | White Salmon | WA | Beverage and Tobacco Product Manufacturing312130 | 1-19 | ◐ LIKELY ACTIVE |
| RVRasa Vineyards | Walla Walla | WA | Beverage and Tobacco Product Manufacturing312130 | — | ◐ LIKELY ACTIVE |
| RIRathbun Iron, LLC | Toppenish | WA | Machinery Manufacturing333992 | 1-19 | ◐ LIKELY ACTIVE |
| R1Recovery 1 | Tacoma | WA | Wood Product Manufacturing321999 | — | ◐ LIKELY ACTIVE |
| RRedi-bag | Seattle | WA | Printing and Related Support Activities323112 | 20-99 | ◐ LIKELY ACTIVE |
| RFResers Fine Foods | Pasco | WA | Food Manufacturing311991 | 100-499 | ◐ LIKELY ACTIVE |
| RCRider Cellars | Selah | WA | Beverage and Tobacco Product Manufacturing312130 | 1-19 | ◐ LIKELY ACTIVE |
| RCRingsrud Cidery | East Wenatchee | WA | Beverage and Tobacco Product Manufacturing312130 | 1-19 | ◐ LIKELY ACTIVE |
| RWRivers West Apparel INC | Tukwila | WA | Apparel Manufacturing315990 | 1-19 | ◐ LIKELY ACTIVE |
| RBRooftop Brewing Company, LLC | Seattle | WA | Beverage and Tobacco Product Manufacturing312130 | 1-19 | ◐ LIKELY ACTIVE |
| RSRoss Simmons Lumber CO | Longview | WA | Wood Product Manufacturing321113 | — | ◐ LIKELY ACTIVE |
| RMRottler Manufacturing, LLC | Kent | WA | Machinery Manufacturing333512 | — | ◐ LIKELY ACTIVE |
| RMRoyell Manufacturing INC | Everett | WA | Transportation Equipment Manufacturing336413 | 100-499 | ◐ LIKELY ACTIVE |
| SSSacedo Services LLC | Everett | WA | Chemical Manufacturing325510 | 1-19 | ◐ LIKELY ACTIVE |
| SSSalish Sea Organic Liqueurs Limited Partnership, Aegir, INC. General Partner | Lacey | WA | Beverage and Tobacco Product Manufacturing312140 | 1-19 | ◐ LIKELY ACTIVE |
| SESamson Estates Winery, LLC | Everson | WA | Beverage and Tobacco Product Manufacturing312130 | 1-19 | ◐ LIKELY ACTIVE |
| SRSamson Rope Technologies, LLC | Ferndale | WA | Textile Product Mills314991 | — | ◐ LIKELY ACTIVE |
| SJSan Juan Island Distillery, LLC | Friday Harbor | WA | Beverage and Tobacco Product Manufacturing312130 | 1-19 | ◐ LIKELY ACTIVE |