| Business | Phone |
| Anderson & Assoc 240 E Main St # 300, Johnson City 37604 | (423) 434-2971 |
| Tysinger Hampton & Partners 3428 Bristol Hwy, Johnson City 37601 | (423) 282-2687 |
| Dss Engineering 6 Llewellyn Woods St, Johnson City 37601 | (423) 929-9390 |
| Qk4 300 E Main St, Johnson City 37601 | (423) 232-1520 |
| E T Kilbourne & Assoc Inc 606 Collins Dr, Johnson City 37604 | (423) 926-1800 |
| Pce Engineering 807 Lizabeth Dr, Johnson City 37604 | (423) 282-4051 |
| Montgomery Engineering-Tchncl 1511 Robin Hood Ln, Johnson City 37604 | (423) 232-6784 |
| Holston Engineering Inc 301 Montgomery St # 4, Johnson City 37604 | (423) 926-5991 |
| Hungate Engineering 1652 E Jackson Blvd, Johnson City 37604 | (423) 913-2860 |
| Mattern & Craig Inc 403 E Market St, Johnson City 37601 | (423) 979-2220 |
| Joseph A Parrott Consulting 2201 Ferguson Rd # 5, Johnson City 37604 | (423) 610-1491 |
| Law Engineering & Environment Johnson City 37604 | (423) 232-0733 |