Highland Plastics, Inc is a customer-focused manufacturer of plastic sheet. HPI works in conjunction with each customer to ensure that every product is tailored to the unique application the part is intended for. Specializes in Olefinic resins including Polypropylene, Polyethylene, and Ethylene Vinyl Acetate. Our combined 70+ years of manufacturing expertise includes engineering grades of resin such as TPOs, TPEs, TPVs., and also compounded materials, such as highly filled Acoustic Mass Barriers, mineral filled polypropylenes, and color-matched decorative materials.