Our operating companies, Interplastic Corporation, North American Composites, HK Research, and Molding Products, work together to deliver technical expertise, high-quality products, and long-term partnerships to customers around the world. What You Can Expect to Do as a Business Development Manager, Molding Products: Identify, prioritize, and penetrate high-value growth segments, including automotive, recreational vehicle, heavy truck, infrastructure, electrical enclosures, consumer products, and construction.