| Business | Phone |
| Border States Electric Supply 206 S Plainview St, Billings 59101 | (406) 256-6266 |
| Square D 1925 Grand Ave # 132, Billings 59102 | (406) 252-5587 |
| Consolidated Electrical Distr 4127 2nd Ave S, Billings 59101 | (406) 245-4894 |
| Crescent Electric Supply Co 205 Moore Ln, Billings 59101 | (406) 252-0216 |
| Electronic Supply Co 250 11th St W, Billings 59102 | (406) 252-2197 |
| Graybar Electric Co 1465 Monad Rd, Billings 59101 | (406) 252-0171 |
| Montana Electric Supply 1723 Lampman Dr, Billings 59102 | (406) 252-0528 |
| Landmark Distributing 1020 Hannon Rd, Billings 59101 | (406) 245-5010 |