Supreme Petrochem Ltd (SPL) is a joint venture between The Supreme Industries Ltd and Rajan Raheja Group, established in 1995. SPL is India’s leading producer of styrenics with facilities at Nagothane and Chennai, producing Polystyrene (PS), Expandable Polystyrene (EPS), ABS & Compounds, Compounds & Masterbatches, and Extruded Polystyrene (XPS) insulation boards. SPL supplies over 100 countries globally and is known for sustainable practices, including Zero Liquid Discharge and environmental certifications. It pioneered the Indian XPS market, supporting green building initiatives.