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

PLAINS ALL AMERICAN PIPELINE is involved in intrastate crude oil pipeline transportation and terminal storage activities. The company is operates in three segments: transportation, facilities, and supply and logistics. By this segments the company is engaged in transportation, storage, terminating and marketing of crude oil, NGL and natural gas. The headquarters is in USA.

EDP Renovaveis is Renewable Energy company and electricity utility company with headquarters is in Madrid, Spain.

As on December 2019, EDP Renovaveis has 1,566 employees.

Electricity and Power generation company. Headquarters is in Beijing, China.

Whitecap Resources is a Gas and Oil Weighted Growth company. It operates in three ways they are core areas, reserve information and marketing. The energy industry is using technology and innovation to reduce greenhouse gas emissions intensity and fresh water use while restoring their land base. It is the third largest oil production company. The headquarters is in Canada.

BWX Technologies is a Nuclear Thermal Propulsion technology company. It provides technical, management and site services to support governments in the operation of complex facilities and environmental remediation activities and supplies precision manufactured components, services and fuel for the commercial nuclear power industry. The headquarters is in USA.

LG Chem is chemical sector company with headquarters is in South Korea.

LG Chem has 19,500 employees as on 2022.

The company has built the global network for production, sales and R&D not only in Korea but also in main bases across the world and has provided globally competitive products including ABS, polarizers and EV battery cells, raising its global position as a material supplier.

SK INNOVATION is Energy and Petrochemical Company, Petroleum Refining, Oil and Gas Exploration company. Headquarters is in South Korea.

Sunoco LP is a Fuel Industry Solution company. It providing motor fuel to convenience stores, independent dealers, commercial customers and distributors in more than 33 states and growing. The company offer an unparalleled portfolio of fuel brands, products, services and expertise on a scale that unsurpassed. The headquarters is in USA.

Emera companies are working to create cleaner energy and deliver it to market. Headquarters is in Nova Scotia, Canada.