Star Plastics - About Star Plastics, Inc Star Plastics, Inc, Plastics Compounder, Custom Compounding, Tolling Services, Material Trading, polymers, engineering grade, commodity grade, PC, Polycarbonate, ABS, PC/ABS, Plastics Provider, Custom Color Compounding Star Plastics is a Custom Compounder of Engineering Grade Thermoplastics, and has been in the business for over 25 years. We also offer Tolling Services and Material Trading of engineering and commodity grade polymers.