| Business Name | Address | |
| Mason Brothers Electric | 203 N Center Ave Hardin, MT 59034 |
 |
| Nordquist Electric | 224 N Terry Ave Hardin, MT 59034 |
|
| Action Electric | 1701 Montana Ave Billings, MT 59101 |
|
| Midland Electric Contracting | 354 S Billings Blvd Billings, MT 59101 |
|
| Kreiter Electric Inc | 1025 N 31st St Billings, MT 59101 |
|