| Business | Phone |
| Champion Engineering Inc 2644 Nutwood Trce, Duluth 30097 | (770) 622-0931 |
| Gtp Consulting Engineers 2400 Pleasant Hill Rd 225, Duluth 30096 | (770) 622-2270 |
| Zaptech Corp 3805 Crestwood Pkwy Nw 325, Duluth 30096 | (770) 925-8125 |
| Terracon Consultants Inc 2855 Premiere Pkwy C, Duluth 30097 | (770) 623-0755 |
| Sonny Behan Consulting Inc 3097 Main St 104, Duluth 30096 | (770) 623-3888 |
| R K Shah & Assoc Inc 2444 Duluth Hwy 120, Duluth 30097 | (678) 475-1550 |
| Ralph Whitehead & Assoc 3505 Koger Blvd 205, Duluth 30096 | (770) 452-0797 |
| Nisys Corp 4227 Pleasant Hill Rd 15, Duluth 30096 | (770) 497-8818 |
| Moetronix 3342 Canary Trl, Duluth 30096 | (770) 476-0150 |
| Legrand Technical Specialties 3096 Meadow Lark Dr, Duluth 30096 | (770) 232-1988 |
| Keck & Wood Inc 2425 Commerce Ave 300, Duluth 30096 | (678) 417-4000 |
| Innovative Logistics Group Inc 10670 Thatcher Way, Duluth 30097 | (770) 752-9909 |