Gassco is a Norwegian state owned company that operates 7,800 kilometres (4,800 mi) of natural gas pipes transporting annually of 100 billion cubic meter (bcm) of natural gas from the Norwegian continental shelf to Continental Europe and Great Britain.

15% of the total consumption of natural gas in Continental Europe is distributed through Gassco. The actual ownership of the pipelines is organised through Gassled, owned by the petroleum companies in the North Sea, including Statoil, Petoro, ConocoPhillips, Eni, ExxonMobil, Norsea Gas, Shell, Total and DONG Energy. Though Gassled has a board, it has no employees or operations.