| Business | Phone |
| Adp-National Account Svc 5800 Windward Pkwy, Alpharetta 30005 | (770) 360-2000 |
| E-Chx Inc 13010 Morris Rd # 410, Alpharetta 30004 | (770) 576-1910 |
| Shadowlines Inc 1100 Alpha Ct A, Alpharetta 30004 | (770) 475-1500 |
| Manage My Taxes Inc™ (MMTi™) - Tax Preparation & eFile Service 3395 Archgate Ct, Alpharetta 30004 | (404) 492-7535 |