| Business | Phone |
| Yazdi & Assoc Inc 2071 Airport Ind Park Dr Se, Marietta 30060 | (770) 541-7800 |
| Engineering Solutions Inc 1050 E Piedmont Rd, Marietta 30062 | (770) 579-0089 |
| Heath & Lineback Engineers Inc 2390 Canton Rd 200, Marietta 30066 | (770) 424-1668 |
| Innovative Engineering Inc 606 Pierce St Se, Marietta 30060 | (770) 795-7432 |
| Atlanta Structural Consulting 95 Millbrook Trce, Marietta 30068 | (770) 973-1611 |