| Business | Phone |
| Afl-Cio 330 N Commerce Park Loop # 140, Tucson 85745 | (520) 751-9672 |
| American Postal Workers Union 2937 E 22nd St, Tucson 85713 | (520) 325-5891 |
| Arizona Federation-Teacher 606 S Plumer Ave, Tucson 85719 | (520) 882-0896 |
| California Nurses Assn 3400 E Speedway Blvd, Tucson 85716 | (520) 326-4690 |
| Carpenters Local No 408 606 S Plumer Ave, Tucson 85719 | (520) 624-5551 |
| Elevator Constructors 4407 E Linden St, Tucson 85712 | (520) 795-5378 |
| Federation Of Physicians 1302 W Ajo Way, Tucson 85713 | (520) 327-9567 |
| Fraternal Order Of Police 177 N Church Ave # 314, Tucson 85701 | (520) 547-3500 |
| Iatse 519 N 5th Ave, Tucson 85705 | (520) 882-9126 |
| Ibew 750 S Tucson Blvd, Tucson 85716 | (520) 622-6745 |
| Western Conference-Teamsters 63675 E Saddlebrooke Blvd, Tucson 85739 | (520) 825-1210 |
| Uaw Retiree Ctr 2030 E Broadway Blvd # 114, Tucson 85719 | (520) 321-0440 |
| United Transportation Union 606 S Plumer Ave, Tucson 85719 | (520) 622-6902 |
| United Steelworkers Of America 2123 E Grant Rd, Tucson 85719 | (520) 327-2305 |
| Teamsters Local Union 238 W Elm St, Tucson 85705 | (520) 622-3616 |
| Sheet Metal Workers Intl 359 606 S Plumer Ave, Tucson 85719 | (520) 622-3593 |
| Southern Arizona Institute 4902 E Broadway Blvd, Tucson 85711 | (520) 320-1446 |
| Plumbers & Steamfitters 2475 E Water St, Tucson 85719 | (520) 323-9476 |
| Operating Engineers Local 428 1949 E Eastland St, Tucson 85719 | (520) 624-1785 |
| National Assn-Letter Carriers 727 N Swan Rd, Tucson 85711 | (520) 323-2117 |
| Laborers Local 2691 W Violet Ave, Tucson 85705 | (520) 293-0314 |
| Local 2544 2410 W Ruthrauff Rd, Tucson 85705 | (520) 293-6008 |
| International Association-Mach 369 W Ajo Way, Tucson 85713 | (520) 294-7696 |
| Iron Workers 1910 N 15th Ave, Tucson 85705 | (520) 624-5553 |