| Business | Phone |
| Alliance Data Systems Corp 9750 Walnut St, Dallas 75243 | (972) 643-4000 |
| Effective Data Management 9696 Skillman St, Dallas 75243 | (214) 503-1336 |
| Fiserv Inc 1801 Royal Ln, Dallas 75229 | (972) 556-9200 |
| Kpt Inc 11262 Indian Trl, Dallas 75229 | (972) 620-9700 |
| Austin-Tetra Inc 8150 N Central Expy, Dallas 75206 | (214) 365-9900 |
| Quickstart Systems Inc 12801 Midway Rd 212, Dallas 75244 | (214) 342-9020 |
| Dynamic Database Resources Inc 4925 Greenville Ave # 660, Dallas 75206 | (214) 361-4608 |
| Hal Systems Corp Inc 10830 N Central Expy, Dallas 75231 | (214) 691-7300 |
| Sun Data Conversions Ltd 3861 Goodfellow Dr, Dallas 75229 | (214) 358-8695 |
| Viking Administrators Inc 5420 Lyndon B Johnson Fwy, Dallas 75240 | (972) 386-9996 |
| Voice Track Corp 2639 Walnut Hill Ln, Dallas 75229 | (214) 349-9200 |
| Keane Inc 9400 N Central Expy, Dallas 75231 | (214) 692-7828 |
| C2p Group Llc 1603 Lbj Fwy, Dallas 75234 | (972) 380-4191 |
| Route Systems Inc 10830 N Central Expy, Dallas 75231 | (214) 369-5218 |
| Dsi Computer Consultants 12005 Ford Rd 750, Dallas 75234 | (972) 241-9001 |
| Fiserv Inc 11498 Luna Rd, Dallas 75234 | (972) 868-9200 |
| Adp-Automatic Data Process 2735 N Stemmons Fwy, Dallas 75207 | (972) 263-1115 |
| Automatic Data Processing 2735 N Stemmons Fwy, Dallas 75207 | (214) 630-9311 |
| Chamber Data Systems 15221 Berry Trl 510, Dallas 75248 | (972) 233-1299 |
| Perot Systems Corp 11830 Webb Chapel Rd, Dallas 75234 | (972) 241-8529 |
| Consulting Partners 12700 Hillcrest Rd, Dallas 75230 | (972) 503-3339 |
| Advance Paradigm Data Svc 14755 Preston Rd, Dallas 75254 | (972) 385-7805 |
| Ashley Co 3131 N Stemmons Fwy, Dallas 75247 | (214) 630-3871 |
| Champman Data Svc Inc 1555 Regal Row, Dallas 75247 | (214) 915-7050 |
| Consulting Partners Inc 14911 Quorum Dr 120, Dallas 75254 | (972) 386-7858 |
| Dallas Computer Management Inc 5415 Maple Ave 230, Dallas 75235 | (214) 630-5381 |
| Media Recovery Inc 1245 Viceroy Dr, Dallas 75247 | (214) 905-1882 |
| Dolphin Information Solutions 9596 Crossvine Ln, Dallas 75244 | (972) 387-4400 |
| Ultimate Business Solutions 143 Manufacturing St, Dallas 75207 | (214) 698-9100 |
| Emc Corp 14785 Preston Rd, Dallas 75254 | (972) 386-5170 |
| Evolutionary Tecnnologies Inc 5001 Lbj Fwy 700, Dallas 75244 | (972) 715-2615 |
| Fidelity Information Svc 6363 Forest Park Rd # 200c, Dallas 75235 | (214) 350-2654 |
| Alliance Data Systems Corp 17655 Waterview Pkwy, Dallas 75252 | (972) 348-5100 |
| Health Management Systems Inc 1140 Empire Central Dr # 450, Dallas 75247 | (214) 453-3000 |
| Martec Computer Svc Co 1420 W Mockingbird Ln 285, Dallas 75247 | (214) 630-1240 |
| Fiserv Ndp 5716 Plumtree Dr, Dallas 75252 | (972) 407-1877 |
| Twoa Data Svc 6161 Harry Hines Blvd, Dallas 75235 | (214) 652-8015 |
| Adp Management 712 E Danieldale Rd, Dallas 75232 | (972) 224-6090 |
| Alternate Concepts Inc 3626 S Cockrell Hill Rd, Dallas 75236 | (214) 330-8000 |
| Hal Systems Corp Inc 12750 Merit Dr 810, Dallas 75251 | (214) 691-4700 |
| National Data Svc Inc 2621 Lone Star Dr, Dallas 75212 | (214) 631-1800 |
| First Capital Datasource 18427 Park Grove Ln, Dallas 75287 | (972) 733-1763 |
| U Need Us Svc 6032 Lloyd Ct, Dallas 75252 | (972) 396-7690 |