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

Subsea 7 is a Engineering Services company. It reputation as a collaborative service provider in long lasting client relationships makes one of the most trusted contractors in market which includes oil and gas and renewable energy. The company offshore operations span five decades successfully completing over 1000+ projects. The headquarters is in UK.

Antero Midstream Corporation is a Natural Gas and Liquids Platform company. It is having over 300 miles of gathering pipeline and 1.0 Bcf/d processing capacity and over 275 miles of fresh water pipeline and 60,000 Bbl/d wastewater treatment capacity. The headquarters is in USA.

AES CORPORATION is Electricity Generation and Electricity Distribution company. It is Electric Utility company with headquarters is in USA. As on 2021, AES CORPORATION generating 31,459 Gross MW in operation and 3,497 MW generating capacity under construction.

As on 2022, AES CORPORATION has 9,100 employees.

AES CORPORATION annual revenue generated for period ending Dec-2022 was 12,617 million USD.

O.P.C. Energy is the first private electricity company in Israel. Headquarters is in Israel.

The Company was incorporated in 2010 and is active in the field of power generation and supply, including development, construction and operation of power plants, as well as power generation and supply to private customers and to Israel Electricity Corporation (IEC). The Company generated about 5% of the electricity consumption in Israel in 2018.

Centrica is international energy services and solutions provider focused on satisfying the changing needs of their customers and enabling the transition to a lower carbon future. They supply energy and services to over 26.2 million customer accounts mainly in the UK, Ireland and North America through strong brands such as British Gas, supported by around 9,000 engineers and technicians. The headquarters is in UK.

Range Resources Corporation is a Natural Gas and NGL producer with operations focused on stacked pay projects in the Appalachian Basin. The company annual revenue is 2827 million USD and 655 employees as on 2019. The headquarters is in USA.