It was created in October 2000 from the former individual companies Elektrizitäts-, Fernwärme und Verkehrsbetriebe AG and Stadtbetriebe Linz.

[1] The Linz Strom Gas Wärme Gmbh subsidiary of Linz AG includes an energy trading business, which markets the electricity generation and gas storage capabilities of the group.

[2] The Linz Netz Gmbh subsidiary of Linz AG is responsible for the supply and delivery of electricity and natural gas to consumers.

[1] The Linz Service Gmbh subsidiary of Linz AG is responsible for water supply and sewage disposal, as well as other municipal services including baths, funerals and cemeteries.

The tram network consists of four lines, including the Pöstlingbergbahn mountain tramway, whilst there are five trolleybus lines, 11 regular bus routes, and five express bus routes.