World Top 100 Oil and Gas Companies List by Market Cap as of August 2026

CVR Energy is a Petroleum refining company. The headquarters is in USA.

Baytex Energy Corp is engaged in the acquisition, development and production of crude oil and natural gas company in the Western Canadian Sedimentary Basin and in the Eagle Ford in the United States. The headquarters is in Canada.

TORM is a shipping and tanker company and carries refined oil. It is having approximately 3,100 employees and 300 land based employees. The headquarters is in UK.

Viva Energy Group is a Energy company. It help Australians reach their destinations by making, importing and delivering the fuels, lubricants, chemicals and bitumen they need to get there. The company is having around 700 employees and pumping millions of dollars into the local economy through wages and services and more than 22 fuel import terminals around the country. The headquarters is in Australia.

NexTier Oilfield Solutions provides engineering services for oil and gas drilling and production services. It combines approximately 2.2 million hydraulic horsepower and the latest downhole fracturing technology with well specific designs for fluids and equipment configurations to increase overall production. The headquarters is in USA.

Patterson-UTI acquired Nextier Oilfield Solutions and they were merged in 2023. Post that NexTier Oilfield Solutions is delisted and only Patterson-UTI will be trading on stock exchanges.

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.