| Business | Phone |
| Afl-Cio 1021 W 23rd St, Cheyenne 82001 | (307) 635-2823 |
| American Postal Workers Union 4800 Converse Ave, Cheyenne 82009 | (307) 632-8117 |
| Brotherhood-Locomotive Engrs 1620 Central Ave 203, Cheyenne 82001 | (307) 635-6736 |
| Carpenter's 2200 Missile Dr, Cheyenne 82001 | (307) 632-3250 |
| Communications Workers-America 1603 Capitol Ave, Cheyenne 82001 | (307) 637-7601 |
| Ibew 810 Fremont Ave, Cheyenne 82001 | (307) 632-5944 |
| Pace International Union 1111 E Lincolnway, Cheyenne 82001 | (307) 775-0574 |
| Plumbers & Pipe Fitters Local 411 W 5th St, Cheyenne 82007 | (307) 634-5837 |