| Business | Phone |
| Iron Worker's Union 119 S Front St, Marquette 49855 | (906) 228-6450 |
| Plumbers & Fitters 119 S Front St, Marquette 49855 | (906) 226-6511 |
| Electricians Union 119 S Front St, Marquette 49855 | (906) 226-7497 |
| Michigan Corrections Orgnztns 1960 Us Highway 41 S, Marquette 49855 | (906) 228-2141 |
| Michigan Council Afscme 710 Chippewa Sq 205, Marquette 49855 | (906) 225-1122 |
| Michigan State Bldg & Constr 1942 Neidhart Ave, Marquette 49855 | (906) 226-8311 |
| Teamsters Local 370 Pelissier Lake Rd, Marquette 49855 | (906) 249-3087 |
| Bricklayers & Allied Crftswrks 119 S Front St, Marquette 49855 | (906) 226-3015 |
| Communications Workers-America 1500 W Washington St, Marquette 49855 | (906) 228-2521 |