Operational for over 25 years, Premold Corp. is a supplier of reaction injection molding (RIM) for custom polyurethane parts. Located in Oconomowoc, Wis., it specializes in the tool making, molding, painting, EMI shielding, decorating and assembly of RIM parts. The company offers a wide array of products, including laboratory machine covers, custom cases for computers, medical camera housing, business machine cover, foot warmer and computer panels. Premold Corp. covers a broad range of services, such as tool making, prototypes, short-run production, materials, finish painting, decorating and assembly, among others.