RimStar, Incorporated is a manufacturer of superior quality Reaction Injection Molded (RIM) polyurethane products. Reaction injection molding allows for high volume manufacturing at lower costs. RimStar, Inc. also offers a urethane open cast molding division to better serve the growing needs of our customers. Our 40,000 sq ft manufacturing facility near Denver, Colorado has state-of-the-art equipment, top quality materials, and a highly skilled team with over 60 years of experience making us the most reliable resource for your reaction injection molding production needs. Our team is available to assist in the engineering, product design, and molding solutions to meet your requirements.