| Business | Phone |
| Woods Insulation Co Raccoon Valley Rd, Knoxville 37938 | (865) 922-7177 |
| Big Orange Foam 1301 Karnes Ave, Knoxville 37917 | (865) 687-7253 |
| Breeding Insulation Co 2802 Sheridan St, Knoxville 37921 | (865) 546-3833 |
| Signature Fireplaces 6636 Central Avenue Pike # D, Knoxville 37912 | (865) 688-3385 |
| Cell Tech Cellulose Insulation Knoxville 37916 | (865) 789-7456 |
| Energy Conservation Group 10424 Kingston Pike # 5, Knoxville 37922 | (865) 691-1070 |
| Performance Contracting Group 10306 Yellow Pine Ln, Knoxville 37932 | (865) 675-1818 |
| Preferred Insulation 1307 Karnes Ave, Knoxville 37917 | (865) 687-9411 |