ENEOS Holdings, Inc. (ENEOSホールディングス株式会社) is a Japanese global petroleum and metals conglomerate headquartered in Tokyo, Japan. In 2012 the multinational corporation consisted of 24,691 employees worldwide and, as of March 2013, JX Holdings was the forty-third largest company in the world by revenue. It is one of the core companies of the Mitsubishi Group through its predecessor 's merger with Mitsubishi Oil.