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.