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

PBF Energy is a Petroleum Refiners and Suppliers company. It is an unbranded transportation fuels, heating oil, petrochemical feedstocks, lubricants and other petroleum products in the United States. The company owns and operates six domestic oil refineries and related assets with a combined processing capacity known as throughput of over 1,000,000 bpd and a weighted average nelson complexity Index of 12.8. The headquarters is in USA.

MOL is Oil and gas sector company with headquarters is in Hungary. As on 2019 they have 26000 employees. They have 3 refineries.

HPCL is Oil and Gas company with headquarters is in Mumbai of India. ONGC own about 51% of shares of HPCL. HPCL today owns and operates two coastal refineries at Mumbai and Visakhapatnam with designed capacity of 7.5 MMTPA and 8.3 MMTPA respectively. Add to this a joint venture refinery at Mangalore, two cross-country pipelines and an extensive network of terminals, depots, bottling plants and aviation servicing facilities.

Oil and gas company with headquarters is in Assam, India. PSU company.

SM Energy Company is a Exploration and Production Oil and Natural Gas Industry. Their purpose is to make people’s lives better by responsibly producing energy supplies, contributing to domestic energy security and prosperity. The headquarters is in USA.

National Fuel Gas Company is a Energy company. It operates an integrated collection of natural gas and oil assets across four business segments they are exploration and production, pipeline and storage, gathering and utility. The company has approximately 91.0 million shares of common stock outstanding. The headquarters is in USA.