Energy services companies

ProFrac Holdings is an energy services company providing hydraulic fracturing, completion services, and other complementary products and services to upstream oil and gas companies.

Doosan Enerbility (두산에너빌리티(주), formerly known as Doosan Heavy Industries & Construction) is a company that provides energy solutions.

Tokyo Electric Power Company Holdings (TEPCO, 東京電力ホールディングス株式会社, also known as Toden, 東電) is an electric utility holding company.

Eni is an integrated energy company.

Chubu Electric Power (中部電力株式会社) is a company that provides renewable and nuclear energy power generation and distribution solutions.

RPC is a company providing oilfield services and equipment to oilfield companies engaged in the exploration, production, and development of oil and gas properties.

Tennessee Valley Authority is a company that provides electricity for business customers and local power companies.

E.ON is a company that specializes in energy networks and infrastructure solutions.

Montrose Environmental Group is a company that provides environmental solutions.

Daigas Group (also known as Osaka Gas, 大阪瓦斯株式会社) is a company operating in the energy sector.

Reliance Power is a company that engages in power generation.

Core Laboratories is a provider of proprietary and patented reservoir description and production enhancement services and products to the oil and gas industry.