Natural gas companies

Stone Energy Corporation, an independent oil and natural gas company, engages in the acquisition, exploration, exploitation, development, and operation of oil and gas properties in the Gulf of Mexico and the Appalachia region.

NextEra Energy Partners (NEP) is a company that acquires, owns, and manages contracted clean energy projects.

The Empire District Electric Company is a company providing electric, natural gas, and water service.

Hera Group is a company that provides utility services.

Atmos Energy engages in the regulated natural gas distribution, and pipeline and storage businesses.

Essential is a provider of oilfield services to the oil and natural gas producers.

Leader in Europa nella realizzazione e gestione integrata delle infrastrutture gas (trasporto, rigassificazione, stoccaggio e distribuzione).

TGS (also known as Transportadora de Gas del Sur) is a gas transportation company.

Aemetis (formerly known as AE Biofuels) is a company that produces and commercializes renewable fuels and biochemical products.

Montage Resources Corporation (formerly known as Eclipse Resources Corporation) is an exploration and production company.

Cosan is a provider of energy solutions.

Edison produces and sells electric power.