| Business | Phone |
| American Postal Workers Union 840 W 17th St, Bloomington 47404 | (812) 336-2521 |
| Carpenter's Local Union 1802 W 17th St # A, Bloomington 47404 | (812) 336-4350 |
| Communications Workers-America 119 S Park Ridge Rd, Bloomington 47408 | (812) 336-5818 |
| Ibew 820 W 17th St # 9, Bloomington 47404 | (812) 336-7930 |
| Ibew 924 W 17th St, Bloomington 47404 | (812) 332-2392 |
| Ind Univ Employee's 1025 S Walnut St # D, Bloomington 47401 | (812) 339-7286 |
| International Brotherhood 101 W Kirkwood Ave # 5a, Bloomington 47404 | (812) 323-0064 |
| Laborers International Union 7745 S Fairfax Rd, Bloomington 47401 | (812) 824-2605 |
| Liuna Local 741 7745 S Fairfax Rd, Bloomington 47401 | (812) 824-2185 |
| National Assn-Letter Carriers 2335 W Vernal Pike, Bloomington 47404 | (812) 332-5862 |
| Plumbers & Steamfitters 1650 W Bloomfield Rd, Bloomington 47403 | (812) 336-6037 |
| Teamsters 4617 W Richland Plz, Bloomington 47404 | (812) 876-3322 |
| White River Central Labor 840 W 17th St # 9e, Bloomington 47404 | (812) 333-8494 |