| Business | Phone |
| Cci 112 Gay St, Erwin 37650 | (423) 743-0777 |
| Sparmill 106 Spar Mill Rd, Erwin 37650 | (423) 743-5407 |
| Roadrunner 140 519 Jonesborough Rd, Erwin 37650 | (423) 735-7200 |
| Quest Dianostics 1001 N Main Ave, Erwin 37650 | (423) 735-0701 |
| O'Brien 202 Obrien St, Erwin 37650 | (423) 743-5869 |
| Odds & Insurance 1104 Jackson Love Hwy, Erwin 37650 | (423) 743-4118 |
| Marketing Services Rr 1, Erwin 37650 | (423) 743-8931 |
| Labcorp 630 Oneega Ln, Erwin 37650 | (423) 743-9000 |