Founded in 1964, Mason Machine Shop specializes in high volume screw machine, centerless grinding and CNC custom machining. Located in Morristown, Tenn. it has a spacious 47,000-square-foot production facility having approximately 20 CNC machines performing prototyping and production of a wide range of turned and milled machined parts. In addition, the company custom builds machinery for in-house parts and production. The customers include small family owned businesses to some of the leaders in industry. Mason Machine Shop is an ISO 9001:2008 certified company.