ATSG CO. (Automatic Transmission Service Group) is a technical support membership service and leader in the Automatic Transmission Industry. Since our inception in 1985 by the late Robert Cherrnay, we have kept his vision to grow, change and revolutionize the industry by leaps and bounds. Our priority is to focus on how we can better serve the automatic transmission and total car care shop owners, their employees, technical professionals by providing unmatched technical support, turning problems into solutions, saving our clients time and money, enhancing relationships by adding a personal touch. As an industry leader we offer an array of benefits such as first class Membership, a superior Technical Support Hotline, Technical Manuals, Technical Software, Bulletins, Live Training Seminars, Technical Seminar Manuals w/ DVD and power point provided.