IQS Directory provides a detailed list of polystyrene manufacturers and suppliers in California. Find polystyrene companies that can design, engineer, and manufacture polystyrene to your specifications. Peruse our website to review and discover top polystyrene manufacturers with roll over ads and complete product descriptions. Connect with the polystyrene companies through our hassle-free and efficient request for quote form. You are provided company profiles, website links, locations, phone numbers, product videos, and product information. Read reviews and stay informed with product news articles. Whether you are looking for manufacturers of delrin, polypropylene, and thermoplastics of every type, IQS is the premier source for you.