Airports

Tri-Cities Airport (TRI)
2525 TN-75
Blountville, TN 37617
(888) 874-7404
https://www.triflight.com/
Car rental at airport (Alamo, Avis, Budget, Dollar Rent a Car, Enterprise, Hertz, National, Thrifty Car Rental) https://www.triflight.com/passengerguide/car-rental/

Auto Rental

Enterprise Rent-A-Car                                
378 Steelsburg Highway
Cedar Bluff, VA 24609
(888) 305-8051 or (276) 963-3345
https://www.enterprise.com/
Car rental is also available through Tri-Cities Airport