For more than 50 years, Mr. Transmission is a automobile repair and maintenance firm. Based in Hoover, Ala., the firm specializes in repair of manual, automatic and semi-automatic transmissions. It supplies a suite of services, including computer diagnostic, performance check, towing, air condition/heat repair and more. Mr. Transmission provides a variety of transmission maintenance service, such as replacement of transmission fluid, filter, replace pan gasket and perform lift inspection. The company also deals with truck and scooter servicing, among others.