| Business | Phone |
| Barge Waggoner Sumner & Canon 1050 Crown Pointe Pkwy, Atlanta 30338 | (770) 698-1400 |
| Electric Power Consultants 2300 Henderson Mill Rd Ne, Atlanta 30345 | (770) 491-1095 |
| Geosyntec Consultants 2002 Summit Blvd Ne, Atlanta 30319 | (404) 257-1101 |
| Safaie Landry Partnership Inc 2245 Perimeter Park Dr, Atlanta 30341 | (770) 451-5500 |
| Perry Crabb & Assoc 1780 Century Cir Ne 1, Atlanta 30345 | (404) 633-0261 |
| Kun-Young Chiu & Assoc Inc 3757 Chamblee Dunwoody Rd, Atlanta 30341 | (770) 451-6776 |
| Applegarth Engineering & Distr 3085 W Andrews Dr Nw, Atlanta 30305 | (404) 237-1130 |
| Carter & Burgess Inc 900 Circle 75 Pkwy Se, Atlanta 30339 | (770) 951-0020 |
| Wais & Assoc Inc 2475 Spalding Dr, Atlanta 30350 | (770) 396-8797 |
| United Engineering Co 6095 Lake Forrest Dr Nw 170, Atlanta 30328 | (404) 256-4871 |
| Newcomb & Boyd 303 Peachtree Ctr Ave Ne 525, Atlanta 30303 | (404) 730-8400 |
| Harris Group Inc 1100 Spring St Nw 300, Atlanta 30309 | (404) 815-6789 |
| Inframap Corp 4787 Clark Howell Hwy, Atlanta 30349 | (404) 768-7174 |
| Lockwood Greene Engineers Inc 303 Perimeter Ctr N # 800, Atlanta 30346 | (404) 525-0500 |
| Long Engineering Inc 2550 Heritage Ct Se 100, Atlanta 30339 | (770) 951-2495 |
| Johnson Service Group 6000 Lake Forrest Dr Nw 280, Atlanta 30328 | (770) 988-0005 |