World Top 100 Petrochemicals Companies List by Market Cap as of August 2026

PTT Global Chemical Public Company is a Petrochemical company. It is comprised of diversified and comprehensive petrochemical businesses including manufacturing and distribution of upstream, intermediate and downstream petrochemical products. The company products are can be converted into other chemical products and serve as basic feedstock for downstream industries such as packaging, apparel, communications and electronic equipment, electrical appliances, vehicles, construction materials, engineering based plastics, agricultural equipment and much more.

Thai Oil Public Company is a Oil Refining and Petrochemical company. It operates a highly complex refinery utilizing modern and efficient processing technologies to produce petroleum products primarily for domestic distribution and further diversifies investment into related businesses which include petrochemical products, lube base oil, ethanol, power generation as well as marine and pipeline transportation of petroleum and petrochemical products. The headquarters is in Thailand.

Indorama Ventures Public Company is a Petrochemical company. It is having 24,000 professional employees, consolidated revenue 11.4 billion USD and has 121 manufacturing facilities present across 33 countries as per year 2019. The headquarters is in Thailand.

Sinopec Shanghai Petrochemical Company is a Refining Chemical integrated Petrochemical company. It is the most important domestic producers of refined oil products, intermediate petrochemicals, synthetic resins and synthetic fibers. Petrochemicals such as ethylene, propylene, butadiene, benzene, toluene, paraxylene, PTA, acrylonitrile, ethylene glycol, ethylene oxide, C5 fraction, acetic acid and vinyl acetate etc. Headquarters is in China.

Mangalore Refinery and Petrochemicals Limited (MRPL) is a oil refining and petroleum products producing company and it produces products like Naphtha, LPG, Motor Spirit, High-Speed Diesel, Kerosene, Aviation Turbine Fuel, Sulphur, Xylene, Bitumen along with Pet Coke and Polypropylene.  The headquarters is in India.