Oil & gas companies

Noble Energy is an independent oil and natural gas exploration and production company.

Amber Grid is an operator of natural gas transmission systems.

Southwestern Energy Production Company engages in natural gas and oil exploration, development and production.

Gibson Energy is a liquids infrastructure company.

Aksa Enerji Uretim is an independent power producer, which produces electrical energy through wind, natural gas, lignite, hydroelectric, and fuel oil power plants.

Shaanxi Heimao Coking (陕西黑猫焦化股份有限公司) is a company that manufactures and distributes coking products.

Isramco is an oil and natural gas company engaged in the exploration, development, and production of oil and natural gas properties.

Rice Energy is an independent natural gas and oil company engaged in the acquisition, exploration and development of natural gas and oil properties.

Antero Resources is an independent exploration and production (E&P) company engaged in the acquisition, development, and production of unconventional resources in the United States.

IEnova (Infraestructura Energética Nova) is a company that develops, builds, and operates energy infrastructure.

Battalion Oil (formerly known as Halcón Resources) is an energy company that focuses on the acquisition, production, exploration, and development of onshore liquids-rich oil and natural gas assets.

National Fuel Gas Company is engaged principally in the production, gathering, transportation, distribution and marketing of natural gas.