Encana Corporation produces, transports and markets natural gas, oil and natural gas liquids (NGLs). It was formed in 2002 and descends from the 19th century Canadian Pacific Railway and 'Canadian Pacific Oil and Gas' in the 20th century, respectively. All of Encana’s reserves and production are located in North America since other international assets were divested in the mid-2000s. The corporate headquarters are in Calgary, Alberta.