Thompson Power offers a range of Caterpillar products, including generator sets and industrial engines for drilling, milling and pumping applications. It also provides marine engines for propulsion and auxiliary applications. Thompson Power is a part of Thompson Machinery, which maintains more than 10 stores throughout Tennessee and Massachusetts. Founded in 1944, Thompson Machinery offers a variety of parts and accessories for Caterpillar equipment. It also provides Caterpillar trucks, rental generators and temperature control units. The company offers welding, fabrication, hydraulic repair and support services. It maintains a fleet of more than field service vehicles and over 10 facilities. The company manages a staff of nearly 200 trained service personnel. Thompson Power maintains a presence in Memphis, Tenn.