World Top 100 Natural Gas Generation Companies List by Market Cap as of August 2026

ONGC is Oil and Gas Exploration and Producing PSU Sector Company with headquarters is in Dehradun of India. As on March-2023, ONGC has 25,993 Employees.

Gazprom is Russia's biggest Oil and Gas Company. Gazprom is a global energy company focused on geological exploration, production, transportation, storage, processing and sales of gas, gas condensate and oil, sales of gas as a vehicle fuel, as well as generation and marketing of heat and electric power. Headquarters is in Russia.

COTERRA ENERGY is Oil and gas exploration and production company. Headquarters is in Texas, USA.

CABOT OIL & GAS CORPORATION renamed to COTERRA ENERGY INC.

Oil and Gas exploration and production company with headquarters is in USA. is the largest leaseholder and the largest producer in the nation’s premier oil field, the Bakken play of North Dakota and Montana. The Company also has significant positions in the SCOOP and STACK plays of the Anadarko Basin of Oklahoma and newly acquired positions in the Powder River Basin of Wyoming and Permian Basin of Texas.
It is the most efficient and cost-effective producers of oil and natural gas on the planet.
CONTINENTAL RESOURCES total number of employees in Dec-2021 was 1,254.

EENOS HOLDINGS is Conglomerate company with business in oil and gas sector and also in metals. Headquarters is in Tokyo, Japan.

JXTG Holdings name is modified to EENOS Holdings.

Indian Oil Corporation is State-Owned Oil and Gas company with headquarters is in New Delhi of India. Exploring, Refining, Pipe Line Transportation and Marketing of Oil and Gas related products is core business of IOC. It had more than 10 oil refineries. Markets petrol and diesel through its petrol outlets which are present across India. Headquarters is in India.

Servo engine oil brand belongs to IOCL.

It is pursuing diverse business interests with the setting up of over 15 joint ventures with reputed business partners from India.

YPF SOCIEDAD ANONIMA is Oil and Gas Exploration, Petroleum Refining Company with headquarters is in Argentina.

Santos is one of the leading independent oil and gas producers in the Asia-Pacific region, supplying the energy needs of homes, businesses and major industries across Australia and Asia. Headquarters is in Australia.

PTT EXPLORATION AND PRODUCTION PUBLIC COMPANY is a national petroleum exploration and production company. The company operates three business segments: Oil and gas exploration and production, overseas pipelines and investment in projects strategically connected to the energy business. It is a subsidiary of the state owned PTT public company limited. The headquarters is in Thailand.

Tourmaline Oil is Oil and Gas company with headquarters is in Calgary, Canada.