Automatic Transmission Design is a provider of automotive services in Germantown. The shop welcomes classic, collector, and custom cars, and it repairs automatic and manual transmissions, transfer cases, differentials, rear ends, and drivetrains. The crew also builds high-performance torque converters and valve bodies for drag, off-road, circle track, and other racing types. Automatic Transmission Design is a local small business that caters to Southeastern Wisconsin motorists, and it also serves national and international customers. The founder joined the industry in 1981, and his two co-owners hold Automotive Service Excellence master certifications and have more than eight decades of combined professional experience.