| Business | Phone |
| American Packing & Gasket Co 5324 S National Dr, Knoxville 37914 | (865) 540-8673 |
| Royal Brass & Hose 1470 Amherst Rd, Knoxville 37909 | (865) 291-6101 |
| Davis Hose & Supply Inc 2322 Western Ave, Knoxville 37921 | (865) 546-2841 |
| Powell Fluid Connectors 200 Perimeter Park Rd # B, Knoxville 37922 | (865) 693-1751 |
| Oem Fluid Connection 2547 Scottish Pike, Knoxville 37920 | (865) 573-9650 |
| Gates Rubber Co 234 Morrell Rd # 353, Knoxville 37919 | (865) 470-7071 |