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

Shell Midstream Partners is a Pipelines and Other Midstream and Logistics Assets company. It is having network of approximately 100 miles of gas pipeline connecting multiple refineries and plants operated along the Gulf Coast to Shell Chemical sites including Shells Norco refinery and Deer Park refinery. The headquarters is in USA.

Provides oil and gas drilling services. Headquarters is in Saudi Arabia.

HELLENIC PETROLEUM is a leading energy company with activities spanning across the energy value chain and presence in 6 countries.  The headquarters is in Greece.

Hellenic Petroleum Holdings has changed its name to HELLENiQ ENERGY Holdings SA in Sep-2022.

The company annual revenue was 14.5 billion EUR and operating income was 1.3 billion EUR and net income was 889 million EUR for year ending Dec-2022.

CNX Resources Corporation Redefining how Natural Gas is Manufactured and Disrupting Energy company. As on 2019, it is having 467 employees, nearly 5,000 producing gas wells. The company has 539 net billion cubic feet equivalent of gas produced in 2019, 8.43 trillion cubic feet equivalent of proved gas reserves and over 1 million net acres of opportunity in the Marcellus and Utica shales. The headquarters is in USA.

Aegis Logistics is a leading downstream oil, gas and chemical logistics company. The company annual revenue is 46,309 million INR and annual net income is 3,575 million INR for year ending March 2022. The headquarters is in India.