Yousef Omair bin Yousef

International Petroleum Investment Co. engaged in investment management services. Its portfolio included oil exploration, production, refining, marketing, product and gas pipelines, oil services, hydrocarbons shipping, and hydrocarbon-based power sectors. The company was founded by Zayed Bin Sultan Al-Nahyan in 1984 and was headquartered in Abu Dhabi, United Arab Emirates.

Abu Dhabi National Oil Co. engages in the provision of energy services. It specializes in exploration and production, processing and refining, and marketing and distribution of oil and gas.Its products include crude oil and condensate, petroleum, gas and sulfur, and petrochemicals.The company was founded by Zayed bin Sultan Al Nahyan in November 1971 and is headquartered in Abu Dhabi, United Arab Emirates.