| Business | Phone |
| Afge 2101 Elm St N, Fargo 58102 | (701) 293-1504 |
| Teamster Union Local 21 18th St S, Fargo 58103 | (701) 232-3215 |
| Operating Engineers 3002 1st Ave N, Fargo 58102 | (701) 232-2769 |
| North Central Regional Council 3002 1st Ave N, Fargo 58102 | (701) 235-4901 |
| Nd Public Employees 1121 Westrac Dr S # 103, Fargo 58103 | (701) 232-8307 |
| Heat & Frost Insulators 2620 25th St Sw, Fargo 58103 | (701) 235-6248 |
| International Association-Mach 3002 1st Ave N, Fargo 58102 | (701) 237-0171 |