| LOLynden Oxbo International | Lynden | WA | Machinery Manufacturing333111 | 20-99 | ◐ LIKELY ACTIVE |
| MMaple | Everett | WA | Computer and Electronic Product Manufacturing334513 | 20-99 | ◐ LIKELY ACTIVE |
| MMead | Mead | WA | Food Manufacturing311119 | 20-99 | ◐ LIKELY ACTIVE |
| MSMercer Spokane | Spokane Valley | WA | Wood Product Manufacturing321215 | 20-99 | ◐ LIKELY ACTIVE |
| MSMetal Sales - Spokane | Spokane | WA | Fabricated Metal Product Manufacturing332322 | 20-99 | ◐ LIKELY ACTIVE |
| MDMetrie Distribution - Sumner | Sumner | WA | Wood Product Manufacturing321918 | 20-99 | ◐ LIKELY ACTIVE |
| MCMiddleby Coffee Solutions Group | Renton | WA | Fabricated Metal Product Manufacturing332510 | 20-99 | ◐ LIKELY ACTIVE |
| MPMilgard Pultrusion | Fife | WA | Plastics and Rubber Products Manufacturing326130 | 20-99 | ◐ LIKELY ACTIVE |
| MOMill Operations Tacoma CBM | Tacoma | WA | Chemical Manufacturing325992 | 20-99 | ◐ LIKELY ACTIVE |
| MPMiner - Pace Auburn, WA | Auburn | WA | Fabricated Metal Product Manufacturing332321 | 20-99 | ◐ LIKELY ACTIVE |
| MUMPG US Kent | Kent | WA | Primary Metal Manufacturing331222 | 20-99 | ◐ LIKELY ACTIVE |
| MVMt Vernon Distribution Center | Mt Vernon | WA | Food Manufacturing311615 | 20-99 | ◐ LIKELY ACTIVE |
| NFNational Frozen Foods - Processing | Chehalis | WA | Food Manufacturing311411 | 20-99 | ◐ LIKELY ACTIVE |
| NFNatural Factors Manufacturing Inc. - Longacres | Monroe | WA | Chemical Manufacturing325411 | 20-99 | ◐ LIKELY ACTIVE |
| NSNatural Selection Farms Inc | Sunnyside | WA | Chemical Manufacturing325311 | 20-99 | ◐ LIKELY ACTIVE |
| NNgms-x081 | Silverdale | WA | Computer and Electronic Product Manufacturing334511 | 20-99 | ◐ LIKELY ACTIVE |
| NGNIC Global - Spokane | Spokane | WA | Fabricated Metal Product Manufacturing332322 | 20-99 | ◐ LIKELY ACTIVE |
| NDNippon Dynawave Packaging Federal way | Federal Way | WA | Paper Manufacturing322110 | 20-99 | ◐ LIKELY ACTIVE |
| NSNORTH STAR Vessel LLC | Seattle | WA | Food Manufacturing311710 | 20-99 | ◐ LIKELY ACTIVE |
| NCNorthwest Confections Washington, LLC | Tacoma | WA | Food Manufacturing311340 | 20-99 | ◐ LIKELY ACTIVE |
| NHNorthwest Hardwoods Inc - Centralia | Centralia | WA | Wood Product Manufacturing321113 | 20-99 | ◐ LIKELY ACTIVE |
| NHNorthwest Hardwoods - Longview | Longview | WA | Wood Product Manufacturing321113 | 20-99 | ◐ LIKELY ACTIVE |
| NNutrien | Kennewick | WA | Chemical Manufacturing325311 | 20-99 | ◐ LIKELY ACTIVE |
| NBNutrilite Botanicals | Quincy | WA | Chemical Manufacturing325411 | 20-99 | ◐ LIKELY ACTIVE |
| OCOld Castle Building Envelope | Battleground | WA | Nonmetallic Mineral Product Manufacturing327215 | 20-99 | ◐ LIKELY ACTIVE |
| OOlympia | Tumwater | WA | Nonmetallic Mineral Product Manufacturing327331 | 20-99 | ◐ LIKELY ACTIVE |
| OOlympia | Olympia | WA | Plastics and Rubber Products Manufacturing326122 | 20-99 | ◐ LIKELY ACTIVE |
| OPOlympia Processing, LLC | Olympia | WA | Food Manufacturing311612 | 20-99 | ◐ LIKELY ACTIVE |
| OROlympus Redmond | Redmond | WA | Miscellaneous Manufacturing339112 | 20-99 | ◐ LIKELY ACTIVE |
| ODOPC Dba Freeze Pack | Pasco | WA | Food Manufacturing311411 | 20-99 | ◐ LIKELY ACTIVE |
| OGOwens-Brockway Glass Container Inc | Kalama | WA | Nonmetallic Mineral Product Manufacturing327213 | 20-99 | ◐ LIKELY ACTIVE |
| OLOXARC LLC Broadway | Spokane | WA | Chemical Manufacturing325120 | 20-99 | ◐ LIKELY ACTIVE |
| PRPackaging Resources Company Mukilteo | Mukilteo | WA | Plastics and Rubber Products Manufacturing326199 | 20-99 | ◐ LIKELY ACTIVE |
| POParadigm Optics | Vancouver | WA | Plastics and Rubber Products Manufacturing326199 | 20-99 | ◐ LIKELY ACTIVE |
| PHPasco Hides | Pasco | WA | Leather and Allied Product Manufacturing316110 | 20-99 | ◐ LIKELY ACTIVE |
| PNPegasus Northwest Inc | Kent | WA | Transportation Equipment Manufacturing336413 | 20-99 | ◐ LIKELY ACTIVE |
| PCPenn Cove | Coupeville | WA | Food Manufacturing311710 | 20-99 | ◐ LIKELY ACTIVE |
| PIpioneer industries | Seattle | WA | Transportation Equipment Manufacturing336413 | 20-99 | ◐ LIKELY ACTIVE |
| PTPioneer Truckweld, Inc. | Toledo | WA | Transportation Equipment Manufacturing336211 | 20-99 | ◐ LIKELY ACTIVE |
| PBPolaris Battle Ground | Battle Ground | WA | Transportation Equipment Manufacturing336320 | 20-99 | ◐ LIKELY ACTIVE |
| PPPortco Packaging - Portco Corporation | Woodland | WA | Plastics and Rubber Products Manufacturing326112 | 20-99 | ◐ LIKELY ACTIVE |
| PPPortco Packaging - Toppenish | Toppenish | WA | Paper Manufacturing322220 | 20-99 | ◐ LIKELY ACTIVE |
| PIPrecision Industrial Manufacturing | Woodland | WA | Fabricated Metal Product Manufacturing332312 | 20-99 | ◐ LIKELY ACTIVE |
| PPPropak - Pasco RLC, WA | Pasco | WA | Wood Product Manufacturing321920 | 20-99 | ◐ LIKELY ACTIVE |
| PSPuget Sound WA Windows | Spanaway | WA | Wood Product Manufacturing321911 | 20-99 | ◐ LIKELY ACTIVE |
| PSPyrotek - Spokane 14D | Spokane Valley | WA | Textile Product Mills314999 | 20-99 | ◐ LIKELY ACTIVE |
| PSPyrotek Spokane East | Spokane Valley | WA | Nonmetallic Mineral Product Manufacturing327110 | 20-99 | ◐ LIKELY ACTIVE |
| PSPyrotek Spokane West | Spokane Valley | WA | Nonmetallic Mineral Product Manufacturing327110 | 20-99 | ◐ LIKELY ACTIVE |
| QHQuantum Holdings, LLC | Arlington | WA | Wood Product Manufacturing321911 | 20-99 | ◐ LIKELY ACTIVE |
| RFRader Farms, Inc., IQF | Lynden | WA | Food Manufacturing311411 | 20-99 | ◐ LIKELY ACTIVE |