Natural gas companies of France

Eni Gas & Power France S.A. (formerly Altergaz S.A.) is the first French natural gas company, based in Paris and founded by Taoufik Tahar, Robert Delbos and Jean-Paul George in 2003.

Total Direct Énergie, formerly Direct Énergie, is a French international electric utility company, which operates in the fields of electricity generation and distribution, natural gas, and renewable energy. Founded in France in 2003 as an alternative to the historic monopoly Électricité de France, it is present in Belgium through the subsidiary Poweo.

Engie SA (stylised in all caps as ENGIE) is a French multinational electric utility company, headquartered in La Défense, Courbevoie. Its activities cover electricity generation and distribution, natural gas, nuclear power, renewable energy, and the petroleum industry. It is involved in both upstream (engineering, sale, operation, maintenance) and downstream (waste management, dismantling) activities.

Suez S.A., known from 1997 to 2001 as Suez-Lyonnaise des eaux, was a leading French multinational corporation headquartered in the 8th arrondissement of Paris, with operations primarily in water, electricity and natural gas supply, and waste management. Suez was the result of a 1997 merger between the Compagnie de Suez and Lyonnaise des Eaux [fr], a leading French water company. In the early 2000s Suez also owned some media and telecommunications assets, but later divested them. According to the Masons Water Yearbook 2004/5, Suez served 117.4 million people around the world. The company conducted a merger of equals with fellow utility company Gaz de France on 22 July 2008 to form GDF Suez (called Engie since 2015). The water and waste assets of Suez were spun off into a separate publicly traded company, Suez Environnement.

GRTgaz is a French natural gas transmission system operator located in Bois-Colombes, Île de France, France. The operated system consists of high pressure gas pipelines with pressure exceeding 60 bars (6,000 kPa).

Gaz de France (GDF) was a French company which produced, transported and sold natural gas around the world, especially in France, its main market. The company was also particularly active in Belgium, the United Kingdom, Germany, and other European countries. Through its part-owned Belgian subsidiary SPE it was also involved in nuclear power generation. The company conducted a merger of equals with fellow utility company Suez on 22 July 2008 to form GDF Suez. Its head office was located in the 17th arrondissement of Paris.