Mar-Mach Machine, Inc. is a Davenport automatic screw machine custom job shop founded in 1985.  Leo M. Lynch and John M. Lynch formed Results Engineering January 1985 and Incorporated as Mar-Mach Machine in 1989.  Leo has since retired and John, who has over 30 years experience in Davenport job shops, now oversees the complete operations of the company.    The company, which started with one machine in 1985, has slowly grown in response to the demands of its customers.