| 8E8801 E Marginal Way S | Tukwila | — | ◇ UNVERIFIED |
| AMAccra Manufacturing | Bothell | — | ◇ UNVERIFIED |
| AMAdmiral Marine Works Site | Port Angeles | — | ◇ UNVERIFIED |
| ACAero Controls Incorporated | Shelton | — | ◇ UNVERIFIED |
| AAeroform | Arlington | — | ◇ UNVERIFIED |
| ARAerojet Redmond Facility | Redmond | — | ◇ UNVERIFIED |
| ACAerostructures CORP the | Everett | — | ◇ UNVERIFIED |
| AAAim Aviation Auburn INC W Valley | Auburn | — | ◇ UNVERIFIED |
| AJAlbert Jensen and Sons INC | Friday Harbor | — | ◇ UNVERIFIED |
| AYAleutian Yachts | Tacoma | — | ◇ UNVERIFIED |
| AAllflight | Kent | — | ◇ UNVERIFIED |
| ATAlloy Trailers Site | Spokane | — | ◇ UNVERIFIED |
| AIApplied Industrial Technologies | Spokane | — | ◇ UNVERIFIED |
| ATAviation Technical Svcs INC Components D | Everett | — | ◇ UNVERIFIED |
| BKBanta Kent | Kent | — | ◇ UNVERIFIED |
| BEBayview Edison Industries Mt Vernon | Mount Vernon | — | ◇ UNVERIFIED |
| BABe Aerospace Flight Structures Integrat | Arlington | — | ◇ UNVERIFIED |
| BABoeing Aandm Electronic Mfg Facility | Seattle | — | ◇ UNVERIFIED |
| BEBoeing Everett Modification Center | Everett | — | ◇ UNVERIFIED |
| BMBoeing Military Flight Center | Tukwila | — | ◇ UNVERIFIED |
| BSBoeing South Park | Seattle | — | ◇ UNVERIFIED |
| BABremerton Auto Wrecking Landfill | Bremerton | — | ◇ UNVERIFIED |
| BTBrusco Tug and Barge | Cathlamet | — | ◇ UNVERIFIED |
| CACadence Aerospace Giddens Operations | Everett | — | ◇ UNVERIFIED |
| CCCalgon CORP | Kalama | — | ◇ UNVERIFIED |
| CDC Dory Marine | Monroe | — | ◇ UNVERIFIED |
| CSChristensen Shipyards LTD | Vancouver | — | ◇ UNVERIFIED |
| COCoca-cola of Yakima | Yakima | — | ◇ UNVERIFIED |
| CTComet Trailer Site | Selah | — | ◇ UNVERIFIED |
| CMCsr Marine South | Seattle | — | ◇ UNVERIFIED |
| DMDagmars Marina | Everett | — | ◇ UNVERIFIED |
| DBDefiance Boats | Bremerton | — | ◇ UNVERIFIED |
| DSDuwamish Shipyard INC | Seattle | — | ◇ UNVERIFIED |
| ETEuro Tek Store Fixture CO 204th St | Kent | — | ◇ UNVERIFIED |
| EBEverett Bark Supply | Everett | — | ◇ UNVERIFIED |
| EWEvoqua Water Technologies Transfer Facility | Seattle | — | ◇ UNVERIFIED |
| FVFishing Vessel Owners Marine Ways INC | Seattle | — | ◇ UNVERIFIED |
| FDFrontier Door and Cabinet | Kent | — | ◇ UNVERIFIED |
| GHGig Harbor Marina | Gig Harbor | — | ◇ UNVERIFIED |
| GAGlasair Avation USA LLC | Arlington | — | ◇ UNVERIFIED |
| GAGoodrich Aerostructures Integration Svc | Everett | — | ◇ UNVERIFIED |
| GAGoodrich Aviation Tech Serv INC H2 | Everett | — | ◇ UNVERIFIED |
| HBHansen Boat CO | Everett | — | ◇ UNVERIFIED |
| HBHeiser Body Company | Seattle | — | ◇ UNVERIFIED |
| HCHexcel CORP Auburn | Auburn | — | ◇ UNVERIFIED |
| HDHome Depot 8964 | Aberdeen | — | ◇ UNVERIFIED |
| HMHylebos Marina and Marine Scrap Yard | Tacoma | — | ◇ UNVERIFIED |
| IAInternational Aero Interior LLC | Burlington | — | ◇ UNVERIFIED |
| IMIslands Marine Center | Lopez Island | — | ◇ UNVERIFIED |
| JCJ Calman Industries | Lynden | — | ◇ UNVERIFIED |
