| Business | Phone |
| Constella Group Inc 3 Corporate Sq Ne 220, Atlanta 30329 | (404) 325-2660 |
| Data Architects Inc 2317 Attaway Walk Ne, Atlanta 30319 | (404) 233-5667 |
| National Data Corp 1466 Bufort Expy 1115, Atlanta 30345 | (404) 325-3311 |
| Alliance Data Systems Corp 3200 Windy Hill Rd Se 700w, Atlanta 30339 | (770) 933-5600 |
| Atm Management Svc 5920 Roswell Rd Ne B107, Atlanta 30328 | (404) 365-0104 |
| C & R Success 5508 Park Pl S, Atlanta 30349 | (770) 997-6510 |
| Carolina Services 943 Peachtree St Ne, Atlanta 30309 | (404) 347-9222 |
| Computerized Processing Svc 1132 Hightower Trl, Atlanta 30350 | (770) 650-1998 |
| Cooperative Services Inc 5028 Clark Howell Hwy, Atlanta 30349 | (404) 768-5176 |
| Donovan Data Systems 340 Interstate North Pkwy Se, Atlanta 30339 | (770) 953-8237 |
| First Data Corp 5660 New Northside Dr # 1400, Atlanta 30328 | (770) 857-0001 |
| Southern Information Systems 180 Allen Rd Ne 205, Atlanta 30328 | (404) 303-9540 |
| Societe Internationale 2380 Godby Rd, Atlanta 30349 | (404) 761-5461 |
| Q C Data Inc 1201 Peachtree St Ne 1040, Atlanta 30361 | (404) 872-6680 |
| Global Payments Inc 10 Glenlake Pkwy Ne, Atlanta 30328 | (770) 829-8234 |
| Ips 8509 Dunwoody Pl, Atlanta 30350 | (770) 998-3474 |
| Life Data Systems 2100 Riveredge Pkwy Nw, Atlanta 30328 | (770) 953-1296 |