Supreme Petrochem Limited manufactures and sells polystyrene, expandable polystyrene, specialty polymers and compounds, styrene methyl methacrylate, and extruded polystyrene foam boards (XPS) in India and internationally. It provides general purpose, high impact, and expandable polystyrene products; white, black, color, additive, and performance/nucleating masterbatches and compounds of styrenics and other polymers; styrene methyl methacrylate for household, molding, sheet extrusion, and extrusion profiles applications; and extruded polystyrene foam boards (XPS) under INSUboard. Supreme Petrochem Limited was incorporated in 1989 and is based in Mumbai, India.