Profile: R & D Specialty Manco is a full service machine shop. We are a manufacturer of precision machine parts for the aerospace, automotive, electronics, medical and special machines. We specialize in machining castings, forgings and bar stock. We work with many materials that include all steel alloys, magnesium, titanium, aluminum and a variety of plastics. Our milling department has the capacity to machine cube size up to 22" x 20" x 42". We are accredited with ISO 9002 certification.