ConocoPhillips explores for, produces, transports, and markets crude oil, bitumen, natural gas, liquefied natural gas (LNG), and natural gas liquids in the United States and internationally. The company's portfolio includes unconventional plays in North America; conventional assets in North America, Europe, Asia, and Australia; various LNG developments; oil sands assets in Canada; and an inventory of global exploration prospects. ConocoPhillips was founded in 1917 and is headquartered in Houston, Texas. collapse