For more than 60 years, Norstar Aluminum Molds has made tooling for the rotational molding industry, pioneering aluminum mold-making technology along the way. From two manufacturing locations totaling more than 100,000 square feet, the company combines experienced shop-floor craftsmanship with casting and CNC capabilities to develop efficient, application-specific molds. Since the early 1990s, Norstar has emphasized creative tooling solutions intended to improve mold operation and production efficiency.
Rotocast Technologies, IncFounded in 1956, Rotocast Technologies manufactures rotational molds and specialty aluminum castings, drawing on a long-standing focus on tooling for the rotational molding market. The company describes an in-house foundry and a workforce averaging 16 years of experience in specialty casting and mold manufacturing, and it also serves customers in urethane and vacuum forming.AKRON, OH
Diversified Mold & CastingsSince 1939, family-owned Diversified Mold & Castings has built tooling and castings for the plastics and foundry industries, with a particular depth in rotational molds and thermoform tooling. The Warrensville Heights company employs more than 45 people, including many with over 20 years in the industry, and is also the oldest producer of aluminum match plates in the United States. Its capabilities span work from prototypes and mold repairs to large CNC-machined tooling, supported by a history that began as Plaster Process and evolved into today’s Diversified Mold & Castings through three generations of the Costello family.WARRENSVILLE HEIGHTS, OH
Aluminum Injection Mold Company, LLCAluminum Injection Mold Company, LLC designs and builds aluminum injection molds in-house and produces molded plastic parts, offering a turnkey path from mold design through production. The company says it has built aluminum molds for more than 30 years, with 14 CNC machines in its mold-build department and 27 molding machines ranging from 35 to 500 tons.LEROY, NY
Liberty Die Cast MoldsSince 1984, Liberty Die Cast Molds in Ostrander has designed and built tooling for vertical and horizontal die-casting machines, with a particular specialty in rotor molds and end-shield tooling. The company also develops replacement molds and machining solutions, including horizontal rotor dies with internal trimming that eliminates a secondary trimming operation. Liberty is led by President Duane Glick and Vice President Jeremy Glick.OSTRANDER, OH