High Quality Content by WIKIPEDIA articles! ConocoPhillips Company (NYSE: COP) is an American multinational energy corporation with its headquarters located in the Energy Corridor district of Houston, Texas in the United States. It is the world`s largest independent pure-play exploration & production company and is also one of the Fortune 500 companies. ConocoPhillips was created through the merger of Conoco Inc. and the Phillips Petroleum Company on August 30, 2002 and was the fifth largest integrated oil company until spinning off its downstream assets to Phillips 66.