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

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

AUSNET SERVICES own and operate the Victorian electricity transmission network, one of five electricity distribution networks, and one of three gas distribution networks in Victoria. Electric utility and gas utility company with headquarters is in Australia.

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.

ENN Ecological Holdings is an intelligent operation platform for natural gas industries company including distribution, trading, storage and transportation, production and engineering. The headquarters is in China.

ENN Ecological Holdings renamed to ENN Natural Gas in October-2020.

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.

GS Holdings has businesses in Energy, Retail and Construction Businesses.

It is also gas utilities and electricity utilities company.

It has businesses related to Petrochemicals, Petroleum and lubricants.

It has businesses related to Power generation and has business in renewable energy.

It has business in Retail sector with super markets and convenience stores.

It has business in Media sector, Hotels operating sector, telecom sector, imports and exports services sector, Engineering and Construction sector.