AMAR Enterprises is doing business as Wilhelm Automotive. Based in Litchfield Park, Ariz., it is one of the oldest automotive repair service companies in Arizona. The firm provides an array of auto services, such as diagnostics, fleet, general, maintenance, miscellaneous, repairs and towing. Within the domain of repair services, Wilhelm Automotive offers air conditioning, belts and hose, radiators repairing and more. Additionally, it provides transmission services, such as automatic, clutches, four-wheel drive, front-wheel drive and manual.