| Business | Phone |
| System Design & Logic Inc 311 Kings Ct Ne, Marietta 30067 | (770) 971-6724 |
| Halstead Communications 483 Commerce Park Dr Se D, Marietta 30060 | (770) 428-7277 |
| Botwin Communications 3268 Fairview Dr, Marietta 30066 | (770) 218-0008 |
| Cablelink 1155 Powers Ferry Pl Se, Marietta 30067 | (770) 850-0000 |