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

Freeport-McMoRan Inc. (FCX) is a mining company with headquarters is in Arizona, USA. FCX has mining assets and will do mining in copper, gold and molybdenum.  FREEPORT-MCMORAN portfolio of assets includes the Grasberg minerals district in Indonesia, one of the world’s largest copper and gold deposits; and significant mining operations in the Americas, including the large-scale Morenci minerals district in North America and the Cerro Verde operation in South America. 

Williams Companies is an energy infrastructure company focused on connecting North America’s significant hydrocarbon resource plays to growing markets for natural gas and natural gas liquids (NGLs). Williams’ interstate gas pipeline and gathering & processing operations span the United States, including strategic assets in the deep water Gulf of Mexico, the Rockies, the Pacific Northwest and the Eastern Seaboard.

Williams owns and operates midstream gathering and processing assets, and interstate natural gas pipelines.

China Petroleum & Chemical Corporation is also known as SINOPEC is China based oil and gas company. Company has over 374,791 employees as of 2022.

ENI S.P.A. is Oil and Gas company with headquarters is in Rome, Italy.

International Trading and Imports / Exports company with headquarters is in Japan. Imports and Exports Food Products, Metals, Minerals, Chemicals, Fertilzers, Oil and Gas Products etc.

ENTERPRISE PRODUCTS PARTNERS is Oil and Gas Company with headquarters is in Texas of USA. Enterprise Products Partners L.P. provides midstream energy services to producers and consumers of natural gas, natural gas liquids (NGLs), crude oil, refined products, and petrochemicals in the United States, Canada, and Gulf of Mexico.

As on 2021, ENTERPRISE PRODUCTS PARTNERS has 7,130 employees.

ENTERPRISE PRODUCTS PARTNERS annual revenue generated for period ending Dec-2022 was 58,186 million USD.

Electric Utility and Gas Utility company with headquarters is in London, UK.

NATIONAL GRID TRANSCO BUSINESS AREAS:

ELECTRICITY DISTRIBUTION(ED)

ELECTRICITY TRANMISSION.

ELECTRICITY SYSTEM OPERATOR.

NATIONAL GRID VENTURES.

NATIONAL GRID PARTNERS.

UNITED STATES.

Schlumberger is the provider of technology services for Oil and Gas industry in the key areas of reservoir characterization, drilling, production, and processing. Schlumberger supplies the industry's most comprehensive range of products and services, from exploration through production and integrated pore-to-pipeline solutions for hydrocarbon recovery that optimize reservoir performance.

Suncor Energy is Canada based Energy, Oil and Gas exploratoin and refining Company. Headquarters is in Canada.

EOG RESOURCES is Oil and Gas sector exploration and production company with headquarters is in Texas, USA.

As on 2022, EOG RESOURCES has 2,850 employees.

EOG RESOURCES annual revenue generated for period ending Dec-2022 was 29,492 million USD.

EOG RESOURCES annual net income generated for period ending Dec-2022 was 7,759 million USD.