Tri-State Thermo King is comprised of 4 award-winning Thermo King dealerships headquartered in Memphis, TN servicing Tennessee, Arkansas, and Mississippi. Thermo King, a brand of Ingersoll Rand, was founded in 1938 and leads the world in manufacturing and innovating transport temperature control systems for a variety of mobile applications, including trailers, truck bodies, buses, shipboard containers and rail cars. Thermo King supports a parts and distribution system that can deliver any of 20,000 parts, anywhere in the world, overnight.