| Business | Phone |
| Ionex 5710 Lbj Fwy, Dallas 75240 | (972) 392-2735 |
| Adtel International 4280 Spring Valley Rd, Dallas 75244 | (972) 503-0717 |
| Data Link Inc 13663 Jupiter Rd 412, Dallas 75238 | (972) 735-0082 |
| Xo One Customer Svc 1950 N Stemmons Fwy, Dallas 75207 | (214) 800-8585 |
| R J Carroll Co 10580 C F Hawn Fwy, Dallas 75217 | (972) 557-6688 |
| P W Telecom 4801 Bryan St, Dallas 75204 | (214) 370-9686 |
| T-Netix Telecommunications Svc 14651 Dallas Pkwy, Dallas 75254 | (972) 277-0300 |
| Texas Comm South 2909 N Buckner Blvd, Dallas 75228 | (214) 321-8906 |
| Gte Telenet Communications 12200 Park Central Dr, Dallas 75251 | (972) 661-3015 |
| Qwest Solutions Ctr 6706 Blessing Dr, Dallas 75214 | (214) 887-1818 |
| Sonic Telecom Dallas 75252 | (972) 818-7055 |
| X O One 100 Crescent Ct 120, Dallas 75201 | (214) 871-8585 |
| Connexus Inc 4131 N Central Expy 600, Dallas 75204 | (214) 443-2600 |
| James G Walker 4316 Bryan St 32, Dallas 75204 | (214) 824-8993 |
| Freescale 2301 Greenville Ave, Dallas 75206 | (469) 624-4360 |
| Verisign Inc 2777 N Stemmons Fwy 700, Dallas 75207 | (214) 640-4101 |
| Xtel Technical Svc Inc 1145 Quaker St, Dallas 75207 | (214) 739-0002 |
| Terra Telecom Dallas 75211 | (214) 339-4700 |
| Netlogic Corp Dallas 75219 | (214) 408-4188 |
| Real Com Office Communications 1801 Royal Ln, Dallas 75229 | (512) 477-3187 |
| Worldcom Inc 1801 Royal Ln, Dallas 75229 | (972) 506-6100 |
| Alex Kaplinski 13650 Littlecrest Dr, Dallas 75234 | (972) 241-9440 |
| Goodman Networks 13835 Senlac Dr, Dallas 75234 | (972) 406-9692 |
| Ies Communications 1890 Crown Dr, Dallas 75234 | (972) 831-8164 |
| Alliance Datacom 10455 Markison Rd, Dallas 75238 | (214) 550-6201 |
| A T & T Global Markets 5501 Lbj Fwy 400, Dallas 75240 | (972) 778-4623 |
| Telconnex 5550 L B J Fwy, Dallas 75240 | (214) 866-0404 |
| North Central Cabling 14305 Inwood Rd, Dallas 75244 | (972) 392-1991 |
| Orendain Telecommunication Svc 14580 E Beltwood Pkwy 107, Dallas 75244 | (972) 980-7760 |
| Tcs Consulting 4418 Gaston Ave, Dallas 75246 | (214) 237-8228 |
| Eagle Network Svc Inc 3235 Halifax St, Dallas 75247 | (214) 689-9855 |
| Colcom Inc 15150 Preston Rd, Dallas 75248 | (972) 503-9892 |
| Profitlink Telecom Consultants 16135 Preston Rd, Dallas 75248 | (469) 374-9687 |
| Viseon Viseon 17102 Preston Rd 150, Dallas 75248 | (972) 220-1500 |
| V 3 8001 Lbj Fwy 3, Dallas 75251 | (972) 238-6436 |
| Telcordia Technologies Inc 14800 Quorum Dr 290, Dallas 75254 | (972) 774-8872 |
| Affordable Communications Tech Po Box 803745, Dallas 75380 | (972) 934-8990 |
| Irwin Equipment Finance 17304 Preston Rd, Dallas 75252 | (972) 733-6855 |