| Business | Phone |
| Amalgamated Transit Union 1226 N Howard St, Spokane 99201 | (509) 325-2955 |
| American Postal Workers Union 1403 W Garland Ave D, Spokane 99205 | (509) 326-3699 |
| Asbestos Workers 102 E Boone Ave 15, Spokane 99202 | (509) 328-5439 |
| Bakers Union 106 W Mission Ave 102, Spokane 99201 | (509) 326-0440 |
| Intl Brotherhood-Boilermakers 6404 N Pittsburg St, Spokane 99217 | (509) 489-1891 |
| Brick Layers Union 3923 E Main Ave, Spokane 99202 | (509) 327-2774 |
| Building & Construction Trades 1330 N Calispel St, Spokane 99201 | (509) 835-4371 |
| Carpenters Local 127 E Augusta Ave 101, Spokane 99207 | (509) 326-0900 |
| Communications Workers-America 1510 N Monroe St, Spokane 99201 | (509) 328-4183 |
| Hotel Employees & Restaurant 1717 W Northwest Blvd, Spokane 99205 | (509) 329-0112 |
| Ibew 1506 N Washington St, Spokane 99201 | (509) 328-8670 |
| Ibew 1616 N Washington St, Spokane 99205 | (509) 326-2182 |
| Inland Empire Plumbers 3915 E Main Ave, Spokane 99202 | (509) 624-5258 |
| International Brotherhood-Frmn 9009 E Euclid Ave, Spokane 99212 | (509) 926-7116 |
| International Operating Engrs 510 S Elm St, Spokane 99204 | (509) 624-5365 |
| International Union-Oper Engrs 510 S Elm St, Spokane 99204 | (509) 624-5366 |
| Ironworkers Apprenticeship 16610 E Euclid Ave, Spokane 99216 | (509) 922-3577 |
| Ironworkers Local 14 16610 E Euclid Ave, Spokane 99216 | (509) 927-8288 |
| Laborers Local 1330 N Calispel St, Spokane 99201 | (509) 328-6660 |
| Machinist's Union 4226 E Mission Ave, Spokane 99202 | (509) 534-9690 |
| National Assn-Letter Carriers 2903 E Mission Ave, Spokane 99202 | (509) 534-9144 |
| Associated Administrators Inc 514 S Elm St, Spokane 99204 | (509) 624-3257 |
| Pacific Northwest District 127 E Augusta Ave, Spokane 99207 | (509) 326-0880 |
| Painters District Council 7209 E Trent Ave, Spokane 99212 | (509) 928-3556 |
| Painters Local Union 7209 E Trent Ave, Spokane 99212 | (509) 892-6741 |
| Plasterers & Cement Finishers 3921 E Main Ave, Spokane 99202 | (509) 326-0575 |
| Plumbers & Steamfitters 3915 E Main Ave, Spokane 99202 | (509) 624-5101 |
| Public School Employees 2925 N Nevada St # B, Spokane 99207 | (509) 489-9445 |
| Roofers Local 102 E Boone Ave 104, Spokane 99202 | (509) 327-2322 |
| Seiu 1199 Nw 901 E 2nd Ave, Spokane 99202 | (509) 456-6986 |
| Service Employees Local 1717 W Northwest Blvd 2b, Spokane 99205 | (509) 328-4032 |
| Spokane Fire Fighters 911 E Baldwin Ave, Spokane 99207 | (509) 484-5598 |
| Spokane Labor Council Afl 1226 N Howard St, Spokane 99201 | (509) 327-7637 |
| Teamsters 1912 N Division St 200, Spokane 99207 | (509) 326-9504 |
| United Food & Commercial Wrkrs 1727 N Atlantic St, Spokane 99205 | (509) 328-6090 |
| United Steelworkers Of America 14015 E Trent Ave, Spokane 99216 | (509) 924-2650 |
| United Steelworkers Of America 205 N University Rd 1, Spokane 99206 | (509) 922-5411 |
| Washington Federation Of State 316 W Boone Ave 353, Spokane 99201 | (509) 326-4422 |
| Washington Public Employees 4407 N Division St, Spokane 99207 | (509) 483-0383 |
| Washington State Council 1105 W Francis Ave C, Spokane 99205 | (509) 328-2830 |