| Business | Phone |
| A B Telcom 5320 Holiday Ave, Billings 59101 | (406) 248-4204 |
| Capital Communications Inc 145 Grand Ave # 5, Billings 59101 | (406) 245-8810 |
| R & L Telecommunications 1731 Brewington Dr, Billings 59105 | (406) 248-7800 |
| In Touch Solutions 71 25th St W # 8, Billings 59102 | (406) 652-1956 |