| Name | Address, Zip |
| American Postal Workers Union 1686 Kent Local | Po Box 5603, 98064-5603 |
| 2058 Bcj | 25120 Pacific Hwy S, 98032-5436 |
| National Active And Retired Federal Employees Association | 10236 Se 213th Pl, 98031-4006 |
| United Union Of Roofers Waterproofers And Allied Workers | 30245 148th Ave Se, 98042-9368 |
| United Brotherhood Of Carpenters & Joiners Of America | 25120 Pacific Hwy S, 98032-5436 |
| United Brotherhood Of Carpenters & Joiners Of America | 25120 Pacific S Hwy Ste 200, 98032-5436 |
| United Brotherhood Of Carpenters & Joiners Of America | 25120 Pacific Hwy S Ste 103, 98032-6039 |
| United Brotherhood Of Carpenters & Joiners Of America | 25120 Pacific Hwy S Ste 104, 98032-6039 |
| American Postal Workers Union | Po Box 891, 98035-0891 |
| American Federation Of State County & Municipal Employees | Po Box 206, 98035-0206 |
| Seattle Area Roofers Apprenticeship Trust | 30245 148th Ave Se, 98042-9368 |
| International Association Of Fire Fighters | Po Box 5310, 98064-5310 |
| International Association Of Fire Fighters | Po Box 954, 98035-0954 |
| National Association Of Letter Carriers | Po Box 5575, 98064-5575 |
| Carpenters Building Association Of Spokane | 25120 Pacific Hwy S Ste 200, 98032-6039 |
| International Brotherhood Of Electrical Workers | 19802 62nd Ave S Ste 105, 98032-4004 |
| Service Employees International Union | 19823 58th Pl S Ste 200, 98032-2183 |
| |