CPCL refines crude oil into fuels and specialty products at its integrated Manali refinery in Chennai. It supplies mass-market fuels via IOCL and directly markets select specialties such as wax, MTO, and hexane .

CPCL’s petroleum products are marketed exclusively through Indian Oil Corporation Ltd., with CPCL directly marketing certain specialty products. This integrated supply chain ensures consistent market reach and quality .

Highlights include the GRPC “Refinery of the Year 2024” award, a retail marketing license for MS and HSD, record operational efficiency metrics, and the JV-led 9 MMTPA Nagapattinam project moving forward. The company also began selling pharma-grade hexane and ultra-low sulphur naphtha in 2024–25 and has committed to net-zero Scope 1 and 2 by 2046