| Business | Phone |
| Baird & Wilson Sheet Metal 2703 Bond St, Knoxville 37917 | (865) 523-9982 |
| Capps Sheet Metal 145 Tobby Hollow Ln, Knoxville 37931 | (865) 945-5918 |
| Quality Sheet Metal Works 522 Chickamauga Ave, Knoxville 37917 | (865) 523-2612 |
| Goddard & Carter Fabrication 2429 Maryville Pike, Knoxville 37920 | (865) 577-6080 |