Sidney Plastics and Plastic Products Mfrs 440 Stolle Ave Polysource, Inc. manufactures color EPS (expandable polystyrene) resin and specialty EPS co-polymers. Our worldwide customer base typically consists of EPS molders that produce shape-molded products for a variety of applications. An untiring commitment to quality and service has made Polysource a leader in its industry. We hope you will find our website informative and welcome any questions you have regarding our products and service. Sidney OH Plastics and Plastic Products Mfrs Polysource Inc www.polysource.com EPS color expandable polystyrene EPS co-polymers high-impact EPS resin HiRez polypropylene polyethylene foam Displays Packaging cushioning ISO 9001 - 2000 Material Safety Data Sheet Polysource Inc EPS color expandable polystyrene EPS co-polymers high-impact EPS resin HiRez polypropylene polyethylene foam Displays Packaging cushioning ISO 9001 - 2000 Material Safety Data Sheet Polysource Inc Business Reviews Polysource Inc Testimonials