ConocoPhillips
NYSE:COPConocoPhillips explores for, produces, transports, and markets crude oil, bitumen, natural gas, liquefied natural gas (LNG), and natural gas liquids in the United States, Canada, China, Libya, Malaysia, Norway, the United Kingdom, and internationally. The company's portfolio includes unconventional plays in North America; conventional assets in North America, Europe, Asia, and Australia; global 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.
Devon Energy
NYSE:DVNDevon Energy Corporation, an independent energy company, engages in the exploration, development, and production of oil, natural gas, and natural gas liquids in the United States. It operates in Delaware, Eagle Ford, Anadarko, Williston, and Powder River Basins. The company was founded in 1971 and is headquartered in Oklahoma City, Oklahoma.
EOG Resources
NYSE:EOGEOG Resources, Inc., together with its subsidiaries, explores for, develops, produces, and markets crude oil, natural gas liquids, and natural gas primarily in producing basins in the United States, the Republic of Trinidad and Tobago and internationally. The company was formerly known as Enron Oil & Gas Company. EOG Resources, Inc. was incorporated in 1985 and is headquartered in Houston, Texas.
Pioneer Natural Resources
NYSE:PXDPioneer Natural Resources Company operates as an independent oil and gas exploration and production company in the United States. The company explores for, develops, and produces oil, natural gas liquids (NGLs), and gas. It has operations in the Midland Basin in West Texas. The company was founded in 1997 and is headquartered in Irving, Texas.