| Business | Phone |
| Business Microvar Inc 490 N 31st St, Billings 59101 | (406) 869-8670 |
| Tech Time 1111 Maggie Ln, Billings 59101 | (406) 256-0627 |
| Computer Software Assoc 17 N 26th St, Billings 59101 | (406) 252-4357 |
| Sale Time Systems 2817 2nd Ave N # 201, Billings 59101 | (406) 245-8458 |
| Software Design Assoc 1645 Avenue D # J, Billings 59102 | (406) 252-5945 |
| Data Corp 408 13th St W, Billings 59102 | (406) 670-9387 |
| Rocky Mountain Technology 207 N 28th St # 509, Billings 59101 | (406) 247-5099 |
| Rontel Communications 208 N 28th St # 351, Billings 59101 | (406) 294-0100 |
| Ejh Consulting Inc 1220 Avenue C # A, Billings 59102 | (406) 252-3168 |
| Fortune Technologies 22 Woodgrain Dr, Billings 59102 | (406) 670-5012 |
| Highroad Information Systems 2525 Rancho Rd, Billings 59102 | (406) 652-6403 |