| Business | Phone |
| William J Jason Pe 3340 Poplar Ave # 308, Memphis 38111 | (901) 763-1004 |
| Advanced Engineering Solutions 6056 Resources Dr, Memphis 38134 | (901) 386-4661 |
| Shappley Design Consultants 696 Oakleaf Office Ln # 200, Memphis 38117 | (901) 682-7727 |
| Construction & Maintenance 2299 Union Ave, Memphis 38104 | (901) 728-6580 |
| Dunning-Martin Engineering 3929 Whitebrook Plz, Memphis 38118 | (901) 360-9148 |
| Gala Engineering 7975 Stage Hills Blvd # 5, Memphis 38133 | (901) 384-8400 |