Automatic Door Service, Inc. is a Michigan-based company that provides installation, service, and repair services for swinging, sliding, folding, and revolving doors. With over 45 years of experience, we offer quality automatic entrance solutions in Michigan and northern Indiana. Established in 1965 by Philip G. Nymeyer, the company has expanded to serve most of Michigan and the greater South Bend/North Indiana area. We offer AAADM inspections for automatic doors and are an authorized distributor for Horton Automatics in portions of Michigan. Call today to learn more.