| Business | Phone |
| Afge 1700 E 38th St # 1020, Marion 46953 | (765) 674-5396 |
| Aiw Local 2525 S Miller Ave, Marion 46953 | (765) 664-7092 |
| Ibew 314 S Boots St, Marion 46952 | (765) 662-2233 |
| Pace Local 2525 S Miller Ave, Marion 46953 | (765) 664-9633 |
| Uaw Union Local 2371 1720 S Miller Ave, Marion 46953 | (765) 662-1909 |
| Upiu Local 7113 400 S Miller Ave, Marion 46953 | (765) 664-0868 |
| Uswa Local Union 466 819 N Butler Ave, Marion 46952 | (765) 662-9979 |