| Business | Phone |
| Dakota Technologies Inc 2201 12th St N # A, Fargo 58102 | (701) 237-4908 |
| Great Plains Environmental 1301 40th St Nw, Fargo 58102 | (701) 277-1612 |
| Legend Technical Svc Inc 3105 Broadway N, Fargo 58102 | (701) 271-6779 |
| Hpc Inc-Environmental Rsrcs 2201 12th St N # A, Fargo 58102 | (701) 297-0012 |