| Business | Phone |
| Ciba 4610 Tiger Lily Way Nw, Marietta 30067 | (770) 565-0882 |
| Digital Analysis Systems 2349 Freydale Rd Se, Marietta 30067 | (770) 321-0448 |
| Haystack Group 660 Village Trce Ne 18-2, Marietta 30067 | (404) 575-4412 |
| Info Prov 2374 Riderwood Ct Ne, Marietta 30062 | (770) 509-7074 |
| Intelligent Data Svc Inc 2440 Sandy Plains Rd 23, Marietta 30066 | (770) 977-5656 |
| Litchfield Group Inc 3113 Roswell Rd 203, Marietta 30062 | (770) 977-7716 |
| Keymark Associates 2281 Piedmont Forest Dr, Marietta 30062 | (770) 579-5979 |
| Cadnet 3704 Running Fox Dr, Marietta 30062 | (678) 560-8339 |