| LBLisa Building LLC | Auburn | — | ◇ UNVERIFIED |
| LALmi Aerospace INC | Auburn | — | ◇ UNVERIFIED |
| MCMar Com INC | Vancouver | — | ◇ UNVERIFIED |
 Marine Propulsion LLC | Anacortes | — | ◇ UNVERIFIED |
| MTMarine Trades Center | Port Angeles | — | ◇ UNVERIFIED |
| MMMark Marine Service, INC. | Camas | — | ◇ UNVERIFIED |
| MLMatella LLC | Bellingham | — | ◇ UNVERIFIED |
| MBMichael Blankenship | Marysville | — | ◇ UNVERIFIED |
| MCMorrie's Cycle Shop, Inc. | Auburn | — | ◇ UNVERIFIED |
| MSMt. Si Cycles LLC | Snoqualmie | — | ◇ UNVERIFIED |
| NPNameless Performance INC | Woodland | — | ◇ UNVERIFIED |
| NMNeptune Marine LLC | Anacortes | — | ◇ UNVERIFIED |
| NBNichols Brothers Boat Builders Langley Facility | Langley | — | ◇ UNVERIFIED |
| NANorthwest Abatement Services, INC | Bellingham | — | ◇ UNVERIFIED |
| NANorthwest Aerospace Technologi | Everett | — | ◇ UNVERIFIED |
| NANorthwest Automatics | Kent | — | ◇ UNVERIFIED |
| NKNorthwest Kayaks | Arlington | — | ◇ UNVERIFIED |
| NTNsc Technologies | Bremerton | — | ◇ UNVERIFIED |
| NINucanoe, INC. | Bellingham | — | ◇ UNVERIFIED |
| OTOlympic Trailer Manufacturing | Tumwater | — | ◇ UNVERIFIED |
| PRPacific Rail Services | Tacoma | — | ◇ UNVERIFIED |
| PSPacific Ship Repair and Fabrication INC | Port Orchard | — | ◇ UNVERIFIED |
| PSPacific Ship Repair & Fabrication | Bremerton | — | ◇ UNVERIFIED |
| PMPerformance Marine INC | Everett | — | ◇ UNVERIFIED |
| PSPeterson Scaffolding | Bellingham | — | ◇ UNVERIFIED |
| PAPioneer Aerofab CO | Burlington | — | ◇ UNVERIFIED |
| PAPremier Autobody Specialists | Seattle | — | ◇ UNVERIFIED |
 Prism Maritime | Bremerton | — | ◇ UNVERIFIED |
| PCPropulsion Controls Engineering | Bremerton | — | ◇ UNVERIFIED |
| PBPygmy Boats INC | Port Townsend | — | ◇ UNVERIFIED |
| QSQed Systems INC. | Bremerton | — | ◇ UNVERIFIED |
| RTRainier Truck and Chassis, LLC | Yakima | — | ◇ UNVERIFIED |
| RMRenaissance Marine Group INC | Clarkston | — | ◇ UNVERIFIED |
| RMRenaissance Marine Group INC | Clarkston | — | ◇ UNVERIFIED |
| RMRenaissance Marine Group INC | Clarkston | — | ◇ UNVERIFIED |
| RPRenton Plant | Renton | — | ◇ UNVERIFIED |
| RMRoyell Manufacturing INC | Everett | — | ◇ UNVERIFIED |
 Safe Boats International LLC | Port Orchard | — | ◇ UNVERIFIED |
| SSSea Sport Boats | Bellingham | — | ◇ UNVERIFIED |
| SSSea Sport Boats, INC | Bellingham | — | ◇ UNVERIFIED |
| SES&j Engines | Spokane | — | ◇ UNVERIFIED |
| SCSnow & Company INC | Seattle | — | ◇ UNVERIFIED |
| SPSound Propeller Services INC | Seattle | — | ◇ UNVERIFIED |
| SESpace Exploration Technologies Corporation | Redmond | — | ◇ UNVERIFIED |
| SCSpectralux Corporation | Redmond | — | ◇ UNVERIFIED |
| SMSqualicum Marine INC | Bellingham | — | ◇ UNVERIFIED |
| SMStabbert Marine and Industrial Anacortes | Anacortes | — | ◇ UNVERIFIED |
| SSStandard Ship Repair Everett | Everett | — | ◇ UNVERIFIED |
| SLStarbound L.l.c. | Seattle | — | ◇ UNVERIFIED |
| SMStrongback Metal Boats | Bellingham | — | ◇ UNVERIFIED |
