| Business | Phone |
| Advanced Communications System 15851 Dallas Pkwy, Addison 75001 | (972) 392-9255 |
| Computertab Corp 14675 Midway Rd # 200, Addison 75001 | (972) 862-2738 |
| Retail Communications Group 4819 Keller Springs Rd, Addison 75001 | (972) 934-8686 |
| Sunbelt Communication & Market 16479 Dallas Pkwy, Addison 75001 | (972) 248-1882 |
| X-Dot Inc 4444 Westgrove Dr 395, Addison 75001 | (972) 248-7243 |