| Business | Phone |
| Amfa Local 32 2121 S Mill Ave, Tempe 85282 | (480) 967-5532 |
| Association-Flight Attendants 505 S 48th St # 101, Tempe 85281 | (480) 966-1231 |
| Communications Workers 7050 513 S Rockford Dr, Tempe 85281 | (480) 968-4886 |
| National Postal Mail Handlers 621 S 48th St, Tempe 85281 | (480) 921-2019 |