ExxonMobil is an American based company that is directly descended from John D. Rockefeller’s Standard Oil. Exxon and Mobil merged in 1999 to create ExxonMobil which is centered in Irving, Texas. Ranked at either No. 1 or No. 2 for the past five years, it is one of the largest publicly traded companies by market capitalization. When evaluated for market revenue, it is 2nd in the world making it a true giant in the energy US Oil Companies overall. With 37 oil refineries and over 83,000 employees, ExxonMobil is the largest refiner currently in operation. It sells its products under the brands of Exxon, Mobil, and Esso which have long been known for quality and customer service. Of the six oil supermajors, ExxonMobil is indisputably the largest and produces over 3.9 barrels of oil equivalent every single day.
Anandarko Petroleum is an independent oil and natural gas exploration and production company that is among the world’s largest. It began its life cycle in 1959 as a subsidiary of Panhandle Eastern Corporation in response to the large amounts of natural gas that were being discovered in the Anandarko Basin. Anandarko Petroleum eventually split from its parent company in 1986 and currently operates in over a dozen different countries although its U.S. onshore operations account for 60% of its reserves. Its reserves of oil equivalent are approximately 2.3 billion barrels with 206 billion barrels of oil equivalent being produced every year as of 2008. With its headquarters located in The Woodlands, Texas, Anandarko employs over 4,700 people in both its domestic and international operations. With regards to the 2010 Deepwater Horizon oil spill, BP billed Anandarko $272 million for its share of the cleanup as they were partners in the operation. However, this bill could be considered voided if the spill was US Oil Companies by gross negligence or willful misconduct on the behalf of BP.
Apache is an independent oil and gas company that is currently headquartered in US Oil Companies, Texas and operates both domestically and internationally. It was originally created in 1954 by three men in Minnesota and drilled its first wells in Oklahoma’s Cushing field. Its headquarters was moved from Minneapolis to Denver in 1987 and finally from Denver to Houston in 1992. Even though it is based in the United States, there are regional offices and operations in Canada, Australia, Argentina, the North Sea, and Egypt. With over 4,400 employees and $12 billion in revenues for 2010, Apache is traded through the New York Stock Exchange as a public company and is a key player on the S&P 500. This makes it a direct competitor with companies like Anadarko but not larger companies like Chevron.
Chevron is an American company that is involved in every aspect of the oil, gas, and geothermal energy industries. It operates in more than 180 countries and has its headquarters in San Ramon, California. As one of the world’s six supermajor oil companies, it has been ranked among Fortune 500’s five largest corporations for the past five years. Chevron is currently ranked 4th after Apple, ExxonMobile, and Walmart. In 2011, Forbes Global 2000 ranked it as the 16th largest public company in the world. It employes over 62,000 people and sells its products under a variety of brand names. It sells its fuels under the brands Chevron, Standard Oil, Texaco, and Caltex. Chevron also handles the upstream business of Unocal, whose pumps are owned by ConocoPhillips. In addition to its fuels, it also operates Star Mart, Extra Mile, Redwood Market, and Town Pantry convenience stores. Chevron also markets Techron as an important additive in their fuel.
ConocoPhillips is another multinational oil company that is based in the United States. In 2002, Conoco Inc. and Phillips Petroleum Company merged to form ConocoPhillips. It is a Fortune 500 company that is traded as a component of the S&P 500 and is ranked 22nd on Forbes Global 2000. With its headquarters based in Houston, Texas, ConocoPhillips is the fifth largest private energy company in the world. In North America, it sells oil under the brands of Conoco, Phillips 66, and Union 76, while selling under the name of Jet in Europe. It operates in almost 40 different countries all around the world, employing 29,000 people in total. With 19 refineries currently under its ownership, ConocoPhillips is the world’s fourth largest non-government controlled refiner overall.
Devon Energy, founded in 1971, is one of the largest independent United States based producers of oil and natural gas with its headquarters in Oklahoma City, Oklahoma. The company mainly US Oil Companies on their North American onshore exploration and production operations. Devon owns and operates both natural gas pipelines and treatment facilities in most of its areas of production. This makes it one of North America’s largest processors of natural gas and also one of Fortune 500’s largest corporations in America. It is also included as a part of the S&P 500 Index. With more than 5,000 employees worldwide, Devon is also ranked as one of Fortune’s 100 Best Companies to Work For and Most Admired Companies. It gains these titles partially by way of its extensive community outreach programs through which it contributes resources to everything from law enforcement agencies and fire departments to youth programs and schools.