Norstar Aluminum Molds, Inc. is a leading designer and manufacturer of high-quality aluminum molds and tooling solutions for the rotational molding industry. Headquartered in Cedarburg, Wisconsin, the company has more than six decades of mold-making expertise inherited from the legacy Kelch Aluminum Molds operation. Since its formation in 1998, Norstar has earned a reputation for engineering innovative, durable, and precision-built tooling that helps manufacturers improve product quality, reduce cycle times, and maximize production efficiency. Operating from over 100,000 square feet of manufacturing space across facilities in Wisconsin and Ohio, Norstar combines advanced CNC machining, aluminum casting, CAD/CAM engineering, and modern mold design technologies to deliver complete tooling solutions. The company manufactures cast, CNC-machined, and fabricated aluminum molds while also providing mold refurbishment, repair, engineering support, and performance-enhancing technologies such as advanced venting, internal air cooling, and optimized heat transfer systems. In 2023, Norstar Aluminum Molds became part of Cole Industries, strengthening its manufacturing capabilities and expanding its ability to serve rotational molders throughout North America. Today, the company continues to deliver innovative tooling solutions, expert engineering support, and dependable customer service, making it a trusted partner for prototype and production rotational molding applications.