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

Weatherford International plc is the leading wellbore and production solutions company providing integrated solutions across well stages and customer domains to the oil and gas industry. The service are provide to the company which are working in the sector of digitalization and automation solutions, mature field solutions, offshore solutions, unconventional assets solutions and integrated services. The headquarters is in USA.

Southwest Gas Holdings is a holding company with business interests in two major business segments they are Natural Gas Operations and Utility Infrastructure Services. It engaged in the business of purchasing, distributing and transporting natural gas in portions of Arizona, California and Nevada and serving over 2 million customers. The headquarters is in USA.

SBM Offshore NV design, supply, install, operate and the life extension of floating production solutions for the offshore energy industry. Headquarters is in Netherlands.

It is oil and gas exploration company. Headquarters is in Israel.

Matador Resources Company is an Independent Energy company engaged in the Exploration, Development, Production and Acquisition of Oil and Natural Gas company. It provide natural gas processing, oil transportation services, natural gas, oil and produced water gathering services and produced water disposal services to third parties. The headquarters is in USA.

Harbour Energy is an independent oil and gas company trusted by its stakeholders, with material producing operations in established regions. It is having 776 employees as on 2021. The headquarters is in UK.

Vopak has tank terminals in key marine locations that are critical to their customers around the world to store Oil, Chemicals and Gases. Vopak stores a wide variety of liquid bulk products and gasses. Headquarters is in Netherlands.

Magnolia Oil & Gas Corporation is a Publicly Traded Oil and Gas Exploration and Production company. The headquarters is in USA.