Conoco Phillips 

ConocoPhillips explores for, produces, transports, and markets crude oil, bitumen, natural gas, liquefied natural gas (LNG), and natural gas liquids worldwide. It primarily engages in the conventional and tight oil reservoirs, shale gas, heavy oil, LNG, oil sands, and other production operations. 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 conventional and unconventional exploration prospects. ConocoPhillips was founded in 1917 and is headquartered in Houston, Texas.