Apache Corporation is an oil and gas exploration and production company with operations in the United States, Canada, Egypt, the United Kingdom North Sea, Australia and Argentina.
Operations in Alaska, western Canada, Rocky Mountains, mid- continent, Permian, Texas, Louisiana and Gulf of Mexico; and internationally in Algeria, Tunisia, West Africa and Australia (NYSE: APC).
ConocoPhillips - ConocoPhillips is an international, integrated energy company. It is the third-largest integrated energy company in the United States, based on market capitalization, oil and gas proved reserves and production; and the seco...
Marathon Oil Corporation spotlightOperating across the globe, Marathon Oil Corporation is among the world's leading integrated energy companies.Marathon Brand, Speedway SuperAmerica and Pilot Travel Centers
Chevron Corporation, parent of Chevron, Texaco and Caltex, engages in oil and gas exploration; refining and marketing of oil, lubricants, fuels, petrochemicals; power generation.
A high-growth, low-cost leader in natural gas production, Encana is reshaping North America's energy portfolio by providing a clean, affordable, abundant resource for future generations.