ConocoPhillips 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 and production company and the company ranked No. 95 in the 2018 Fortune 500 list of the largest United States corporations by total revenue. ConocoPhillips was created through the merger of American oil companies Conoco Inc. and Phillips Petroleum Co. on August 30, 2002.