As a result of a government-orchestrated merger, INPEX Corporation and Teikoku Oil agree to form INPEX Holdings on April 3, 2006.[4][5][dead link][2] On October 1, 2008, the merger was completed with Inpex Corporation being formed from INPEX Holdings, INPEX, and Teikoku Oil, and the headquarters were moved to Akasaka, Tokyo.[6][7]