| NPNamco Precision Corp | Seattle | WA | Primary Metal Manufacturing331110 | — | ◇ UNVERIFIED |
| NPNational Products INC 1025 S Elmgrove St | Seattle | WA | Fabricated Metal Product Manufacturing332999 | — | ◇ UNVERIFIED |
| NPNational Products S Elmgrove | Seattle | WA | Fabricated Metal Product Manufacturing332999 | — | ◇ UNVERIFIED |
| NINelson Iron Works | Seattle | WA | Fabricated Metal Product Manufacturing332312 | — | ◇ UNVERIFIED |
| NENemco Electric CO INC | Seattle | WA | Electrical Equipment, Appliance & Component Manufacturing335121 | — | ◇ UNVERIFIED |
| NSNK Studios LLC | Seattle | WA | Wood Product Manufacturing321999 | — | ◇ UNVERIFIED |
| NCNorth Coast Chemical CO | Seattle | WA | Chemical Manufacturing325612 | — | ◇ UNVERIFIED |
| NINorthwestern Industries | Seattle | WA | Nonmetallic Mineral Product Manufacturing327211 | — | ▲ REPORTED CLOSED |
| NMNorthwest Millwork INC | Seattle | WA | Furniture and Related Product Manufacturing337110 | — | ◇ UNVERIFIED |
| NPNorthwest Plating | Seattle | WA | Fabricated Metal Product Manufacturing332813 | — | ◇ UNVERIFIED |
| NTNorthwest Tofu, Inc. | Seattle | WA | Food Manufacturing311919 | — | ◇ UNVERIFIED |
| NNNorwegian Northwest LLC | Seattle | WA | Furniture and Related Product Manufacturing337121 | — | ◇ UNVERIFIED |
| NLNovus LLC | Seattle | WA | Printing and Related Support Activities323113 | — | ◇ UNVERIFIED |
| NMNW Manufacturing Inc | Seattle | WA | Plastics and Rubber Products Manufacturing326199 | — | ◇ UNVERIFIED |
| OFOl Faithful Brewing Company, LLC | Seattle | WA | Beverage and Tobacco Product Manufacturing312120 | — | ◇ UNVERIFIED |
| OPOvernight Printing Seattle, INC. | Seattle | WA | Printing and Related Support Activities323111 | — | ◇ UNVERIFIED |
| OPOvernight Printing Seattle, INC. | Seattle | WA | Printing and Related Support Activities323111 | — | ◇ UNVERIFIED |
| PGParis Gourmet Desserts Limited | Seattle | WA | Food Manufacturing311812 | — | ◇ UNVERIFIED |
| PMPastry Mitten LLC | Seattle | WA | Food Manufacturing311812 | — | ◇ UNVERIFIED |
| PEPioneer Enamel Manufacture | Seattle | WA | Nonmetallic Mineral Product Manufacturing327112 | — | ◇ UNVERIFIED |
| PLPractik LLC | Seattle | WA | Fabricated Metal Product Manufacturing332323 | — | ◇ UNVERIFIED |
| PPravda | Seattle | WA | Printing and Related Support Activities323110 | — | ◇ UNVERIFIED |
| PFPrecision Fabricators LLC | Seattle | WA | Fabricated Metal Product Manufacturing332322 | — | ◇ UNVERIFIED |
| PAPremier Autobody Specialists | Seattle | WA | Transportation Equipment Manufacturing336360 | — | ◇ UNVERIFIED |
| P9Project 9 Brewing Co LLC | Seattle | WA | Beverage and Tobacco Product Manufacturing312120 | — | ◇ UNVERIFIED |
| PIPsf Industries | Seattle | WA | Fabricated Metal Product Manufacturing332313 | — | ◇ UNVERIFIED |
| PIPyrus Investments LLC | Seattle | WA | Food Manufacturing311812 | — | ◇ UNVERIFIED |
| QCQED Coffee, LLC | Seattle | WA | Food Manufacturing311920 | — | ◇ UNVERIFIED |
| RGRacine Group LLC | Seattle | WA | Food Manufacturing311811 | — | ◇ UNVERIFIED |
| RPRainier Precision | Seattle | WA | Fabricated Metal Product Manufacturing332212 | — | ◇ UNVERIFIED |
| RMRapp Marine US INC | Seattle | WA | Machinery Manufacturing333996 | — | ◇ UNVERIFIED |
| RSRed Soul, LLC | Seattle | WA | Fabricated Metal Product Manufacturing332999 | — | ◇ UNVERIFIED |
| RMRedstone Manufacturing USA LLC | Seattle | WA | Fabricated Metal Product Manufacturing332999 | — | ◇ UNVERIFIED |
| RBReuben's Brews LLC | Seattle | WA | Beverage and Tobacco Product Manufacturing312120 | — | ◇ UNVERIFIED |
| RMRhinehart Metalworks | Seattle | WA | Fabricated Metal Product Manufacturing332323 | — | ◇ UNVERIFIED |
| RBRichards Brush | Seattle | WA | Miscellaneous Manufacturing339994 | — | ◇ UNVERIFIED |
| RLRichton LLC | Seattle | WA | Beverage and Tobacco Product Manufacturing312130 | — | ◇ UNVERIFIED |
| RKR & K Foods INC | Seattle | WA | Food Manufacturing311991 | — | ◇ UNVERIFIED |
| RIRMC Incorporated | Seattle | WA | Fabricated Metal Product Manufacturing332812 | — | ◇ UNVERIFIED |
| RPRmc Powder Coating | Seattle | WA | Fabricated Metal Product Manufacturing332812 | — | ◇ UNVERIFIED |
| SJSan Juan Seltzer Co. | Seattle | WA | Beverage and Tobacco Product Manufacturing312120 | — | ◇ UNVERIFIED |
| SCSeaFab Corporation | Seattle | WA | Fabricated Metal Product Manufacturing332312 | — | ◇ UNVERIFIED |
| SCSeattle City Mercer Corridor | Seattle | WA | Fabricated Metal Product Manufacturing332710 | — | ◇ UNVERIFIED |
| SCSeattle City North Service Center | Seattle | WA | Machinery Manufacturing333131 | — | ◇ UNVERIFIED |
| SCSeattle Curtain Mfg CO | Seattle | WA | Textile Product Mills314121 | — | ◇ UNVERIFIED |
| SPSeattle Port Terminal 117 | Seattle | WA | Petroleum and Coal Products Manufacturing324122 | — | ◇ UNVERIFIED |
| SPSeattle Pottery Supply | Seattle | WA | Nonmetallic Mineral Product Manufacturing327112 | — | ◇ UNVERIFIED |
| SSSeattle Stair & Design | Seattle | WA | Wood Product Manufacturing321918 | — | ◇ UNVERIFIED |
| STSeattle Technical Finishing INC | Seattle | WA | Fabricated Metal Product Manufacturing332813 | — | ◇ UNVERIFIED |
| SCSky Castle Toys LLC | Seattle | WA | Miscellaneous Manufacturing339930 | — | ◇ UNVERIFIED |