Supreme Petrochem Ltd (SPL), owns and operates a state-of-the art Polystyrene facility, with an installed capacity of 2,72,000 TPA located at Nagothane in Raigad District, about 100 Kms south-east of Mumbai city. The facility also includes a world class colouring and compounding facility with an installed capacity of 25000 TPA.

The Plant is based on technology from the erstwhile Huntsman Chemical Corporation (Now Chemicals) USA with basic engineering by ABB Lummus Crest, USA.