Master Tool Company is one of the leading manufacturers of custom injection molded and extruded plastics in the United States. The company s specialties include secondary operations, prototyping, and cavity, custom and insert molding. It works in association with various distributors, including Lakeside Dock Sales, Morgan Recreational Supply, Payne's Marine Supply Group, Hannay's, Astrup and Glenn-Mar Marine Supply. The company uses various equipment, including mold heaters, vacuum calibraters, air cooling systems, automatic stand spoolers, electronic weight scales, bench sanders, diamond dressers, tapping heads and hydro hold carts. Master Tool Company has been operational for more than 50 years and is located in Hialeah, Fla.