| Business | Phone |
| Agile Engineering Inc 123 Perimeter Park Rd, Knoxville 37922 | (865) 693-6544 |
| Alt Tech Co Inc Knoxville 37918 | (865) 689-3702 |
| Volkert & Assoc Inc 6700 Baum Dr, Knoxville 37919 | (865) 330-9772 |
| M N Bressler Pe 829 Chateaugay Rd, Knoxville 37923 | (865) 693-0822 |
| Tice Engineering & Sales 6711 Maynardville Hwy, Knoxville 37918 | (865) 922-7501 |
| Carpenter Wright Engineers 152 Market Place Blvd # F, Knoxville 37922 | (865) 539-8227 |
| Stanley Jones Corp 205 Perimeter Park Rd # C, Knoxville 37922 | (865) 691-1079 |
| E A Engineering 402 Moser Ln, Knoxville 37934 | (865) 777-0434 |
| Northwest Nuclear Llc 212 N Watt Rd, Knoxville 37934 | (865) 777-0038 |
| Milligan Engineering 905 Ilex Cir, Knoxville 37919 | (865) 470-2413 |
| Ljb Inc 4610 Central Avenue Pike, Knoxville 37912 | (865) 281-7709 |
| I C Thomasson Assoc Inc 1114 W Clinch Ave # 200, Knoxville 37916 | (865) 525-3488 |
| Integrity Management 9001 Faulkner Ln, Knoxville 37922 | (865) 560-3100 |
| International Engineering Corp 9041 Executive Park Dr # 117, Knoxville 37923 | (865) 531-0659 |