| Business | Phone |
| B & B Telecable 6847 Grand Ave, Billings 59106 | (406) 652-2570 |
| Sorensen Construction Inc 251 Sugar Ave, Billings 59101 | (406) 259-2688 |
| Par Electrical Contractors Inc 6765 Trade Center Ave, Billings 59101 | (406) 652-1997 |
| Northern Line Layers Inc 6780 Trade Center Ave, Billings 59101 | (406) 652-1759 |