Key Industrial Plastics, 228 Keel Ct, Sturgeon Bay, WI 54235, US

Operational for more than 50 years, Kaysun Corporation is one of the leading manufacturers of plastic products in the United States. Kaysun began as a manufacturer of airplane parts, cookware and other commodity items. The company has an injection molding operations facility spread on more than 52,000-square-foot of space. It also has a more than 32,000-square-foot technical center. Kaysun provides a wide variety of services, such as two-shot molding, overmolding, insert molding, cellular manufacturing, secondary operations, and testing services. The company also offers tool design and manufacturing, material and engineering analysis, turning, milling, in-mold decorating, pad printing, and laser etching. Additionally, it provides product assembly, ultrasonic welding, shielding and hard coating, routine hard gages, vision inspection systems, Mitutoyo roundness checkers, and electrical resistance testers. Kaysun Corporation is located in Manitowoc, Wis.