| Business | Phone |
| Bizcom 4900 Pear Ridge Dr, Dallas 75287 | (972) 245-6101 |
| Esi Certified Reseller 2423 Walnut Hill Ln, Dallas 75229 | (214) 357-2148 |
| Imagine Technologies Inc 13355 Noel Rd 500, Dallas 75240 | (972) 702-6224 |
| Western Telephone Systems Dallas 75201 | (214) 546-1969 |
| Advanced Telecom Dallas 75207 | (214) 749-0950 |
| Clear Connection Communication 12830 Hillcrest Rd, Dallas 75230 | (972) 364-9069 |
| R L Telecommunications 2730 N Stemmons Fwy 307, Dallas 75207 | (214) 630-6818 |
| Direct Voice Technologies 10930 Switzer Ave, Dallas 75238 | (214) 503-6700 |
| Affordable Phone Svc Unltd 6709 Seco Blvd, Dallas 75217 | (214) 391-0918 |
| Mc Phail Telephone Svc 2811 Healey Dr, Dallas 75228 | (214) 749-9055 |
| Ozl's Techniques 1801 S Beckley Ave, Dallas 75224 | (214) 664-7744 |
| Superior Telecom Inc 4880 Alpha Rd, Dallas 75244 | (972) 991-2504 |
| Servcomm Industries 1516 Corinth St, Dallas 75215 | (214) 426-1891 |