| Name | Address, Zip |
| American Postal Workers Union | Po Box 9093, 98909-0093 |
| American Federation Of Teachers | Po Box 22520, 98907-2520 |
| American Federation Of State County & Municipal Employees | 509 S 4th St, 98901-3225 |
| American Federation Of State County And Municipal Employees | 2901 Clinton Way, 98902-4928 |
| American Federation Of State County & Municipal Employees | 1400 S 40th Ave, 98908-3931 |
| American Federation Of Labor & Congress Of Industrial Orgs | 507 S 3rd St, 98901-3219 |
| American Federation Of Teachers | S 16th Ave Nob Hill Blvd, 98902 |
| American Federation Of State County & Municipal Employees | 3202 Mountainview Ave, 98901-1151 |
| American Federation Of State County & Municipal Employees | 4003 Avalanche Ave, 98908-2914 |
| American Federation Of State County & Municipal Employees | 121 Echo Glenn Pl, 98908-8815 |
| Yakima Police Patrolmens Assn | 200 S 3rd St, 98901-2830 |
| International Association Of Fire Fighters | 6 S 2nd St Ste 416, 98901-2629 |
| National Association Of Letter Carriers | Po Box 10852, 98909-1852 |
| East Valley Education Association | 1951 Beaudry Rd, 98901-8012 |
| International Brotherhood Of Teamsters | 1211 W Lincoln Ave, 98902-2535 |
| Yakima Training Center Fire Department | 970 Firing Center Road Bldg 425, 98901-9347 |
| Yakima County Employees Independent Union | 1216 S 18th St, 98901-3642 |
| Yakima Sheriffs Office Management Group | 1822 S 1st St, 98903-2226 |
| Trabajadores Unidos Por La Justicia | 411 S Naches Ave, 98901-4708 |
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