| RCRudd CO INC Seattle | Seattle | WA | Chemical Manufacturing325510 | 20-99 | ◇ UNVERIFIED |
| BFBlue Falls USA | Spokane | WA | Chemical Manufacturing325211 | 20-99 | ◇ UNVERIFIED |
| OMOlympic Mountain Products | Kent | WA | Chemical Manufacturing325620 | 20-99 | ◇ UNVERIFIED |
| SPSpecialty Products | Lakewood | WA | Chemical Manufacturing325211 | 20-99 | ◇ UNVERIFIED |
| 5U51 University Building | Seattle | WA | Chemical Manufacturing325411 | — | ◇ UNVERIFIED |
| 9I999 INC | Pasco | WA | Chemical Manufacturing325992 | — | ◇ UNVERIFIED |
| ABAccess Business Group LLC Quincy | Quincy | WA | Chemical Manufacturing325411 | — | ◇ UNVERIFIED |
| APAir Products Manufacturing CORP | Puyallup | WA | Chemical Manufacturing325120 | — | ◇ UNVERIFIED |
| ACAmtech Corporation Site | Yelm | WA | Chemical Manufacturing325211 | — | ◇ UNVERIFIED |
| AIApex in Care of Pacific Shipping | Kent | WA | Chemical Manufacturing325320 | — | ◇ UNVERIFIED |
| AWArch Wood Protection | Kalama | WA | Chemical Manufacturing325320 | — | ◇ UNVERIFIED |
| AAAsahipen America INC | Seattle | WA | Chemical Manufacturing325510 | — | ◇ UNVERIFIED |
| BCBasf Construction Chemicals INC | Kent | WA | Chemical Manufacturing325998 | — | ◇ UNVERIFIED |
| BLBayview Limousine Service | Seattle | WA | Chemical Manufacturing325510 | — | ◇ UNVERIFIED |
| BBBbc Biochemical | Mount Vernon | WA | Chemical Manufacturing325411 | — | ◇ UNVERIFIED |
| BDBetz Dearborn Washougal | Washougal | WA | Chemical Manufacturing325998 | — | ◇ UNVERIFIED |
 Bio Rad Laboratories Redmond | Redmond | WA | Chemical Manufacturing325413 | — | ◇ UNVERIFIED |
| BHBlue Heron Biotech, LLC | Bothell | WA | Chemical Manufacturing325414 | — | ◇ UNVERIFIED |
| BPBoc Process Gas Solutions | Vancouver | WA | Chemical Manufacturing325120 | — | ◇ UNVERIFIED |
| CCCcp Composites US LLC Centralia | Centralia | WA | Chemical Manufacturing325211 | — | ◇ UNVERIFIED |
| CPChemtrade Performance Chemicals US LLC | Kalama | WA | Chemical Manufacturing325180 | — | ◇ UNVERIFIED |
| CSChemtrade Solutions LLC Vancouver | Vancouver | WA | Chemical Manufacturing325180 | — | ◇ UNVERIFIED |
| CAChs Agronomy Terminal | Clarkston | WA | Chemical Manufacturing325314 | — | ◇ UNVERIFIED |
| CWCjc West LLC | Chehalis | WA | Chemical Manufacturing325194 | — | ◇ UNVERIFIED |
| CPClover Park Technical College Bldg 25 | Lakewood | WA | Chemical Manufacturing325520 | — | ◇ UNVERIFIED |
| CICmc Icos Biologics INC | Bothell | WA | Chemical Manufacturing325412 | — | ◇ UNVERIFIED |
| CPContainer Properties LLC | Tukwila | WA | Chemical Manufacturing325000 | — | ◇ UNVERIFIED |
| CCCook Composites and Polymers CO | Arlington | WA | Chemical Manufacturing325510 | — | ◇ UNVERIFIED |
| CPCrop Production Services Moses Lake | Moses Lake | WA | Chemical Manufacturing325311 | — | ◇ UNVERIFIED |
| DUDecco US Postharvest | East Wenatchee | WA | Chemical Manufacturing325320 | — | ◇ UNVERIFIED |
| DMDevries Moving-packing-storage | Spokane | WA | Chemical Manufacturing325510 | — | ◇ UNVERIFIED |
| DODominion Organics | Ferndale | WA | Chemical Manufacturing325311 | — | ◇ UNVERIFIED |
| EBEden Bioscience | Bothell | WA | Chemical Manufacturing325414 | — | ◇ UNVERIFIED |
| EGEdgemont Group | Wenatchee | WA | Chemical Manufacturing325411 | — | ◇ UNVERIFIED |
| EMElitechgroup Molecular Diagnostics | Bothell | WA | Chemical Manufacturing325413 | — | ◇ UNVERIFIED |
| ETElysian Taproom | Seattle | WA | Chemical Manufacturing325510 | — | ◇ UNVERIFIED |
| EMEm Matson Jr CO INC | North Bend | WA | Chemical Manufacturing325320 | — | ◇ UNVERIFIED |
| FAFairn and Swanson | Seattle | WA | Chemical Manufacturing325992 | — | ◇ UNVERIFIED |
| FSFiberglass Structures | Arlington | WA | Chemical Manufacturing325211 | — | ◇ UNVERIFIED |
| FPFikes Products and Services | Kent | WA | Chemical Manufacturing325510 | — | ◇ UNVERIFIED |
| FSFood Service of America Kent | Kent | WA | Chemical Manufacturing325211 | — | ◇ UNVERIFIED |
| GWGaco Western LLC | Tukwila | WA | Chemical Manufacturing325212 | — | ◇ UNVERIFIED |
| GDGeorge Deruyter and Sons Dairy | Outlook | WA | Chemical Manufacturing325120 | — | ◇ UNVERIFIED |
| GTGless Trucking | Auburn | WA | Chemical Manufacturing325211 | — | ◇ UNVERIFIED |
| HIHalosource INC | Bothell | WA | Chemical Manufacturing325998 | — | ◇ UNVERIFIED |
| HIHalosource INC | Raymond | WA | Chemical Manufacturing325199 | — | ◇ UNVERIFIED |
| HVHidden Valley Transfer Station and Landfill | Puyallup | WA | Chemical Manufacturing325199 | — | ◇ UNVERIFIED |
| HGHoneybear Growers | Brewster | WA | Chemical Manufacturing325311 | — | ◇ UNVERIFIED |
| IEI90 Express Finishing INC | Spokane | WA | Chemical Manufacturing325510 | — | ◇ UNVERIFIED |
| I9I 90 Express Finishing Spokane Valley | Spokane Valley | WA | Chemical Manufacturing325510 | — | ◇ UNVERIFIED |
