| Business | Phone |
| Wrigley Mechanical Inc 4102 15th Ave N, Fargo 58102 | (701) 277-8570 |
| S A Mechanical Inc 5410 53rd Ave S, Fargo 58104 | (701) 281-9100 |
| Quantum Associates Inc 1613 1st Ave N, Fargo 58102 | (701) 297-0883 |
| Peterson Mechanical Inc 3001 1st Ave N, Fargo 58102 | (701) 293-7206 |
| F & S Mechanical 1022 4th St N, Fargo 58102 | (701) 280-2613 |
| North Central Construction Inc 3350 35th Ave Sw, Fargo 58104 | (701) 232-0941 |