In business since 1970, Michigan Automatic Turning is committed to meeting or exceeding our customer’s requirements. As part of that commitment, we strive for continuous improvement both in process and results. ISO 9001:2000 certified. AA Gear LLC is a full service gear manufacturer with full in-house manufacturing capabilities. We specialize in high quality, precision gear finishing, including gear grinding and honing. Additionally, we offer CNC analytical inspection for our products and as a contract service. With in-house capability, we can provide single operations such as gear grinding or honing, and inspection, all the way up to complete manufacturing of parts or gear boxes.