Houston Oil and Gas

Marathon Oil Corporation is engaged in worldwide oil exploration and production of crude oil and natural gas, as well as the domestic refining, marketing and transportation of petroleum products. Marathon Oil Corporation is headquartered in Houston; it is one of the leading oil companies with operations in four continents. Marathon Petroleum Company is a limited-liability company that is wholly owned by Marathon Oil Corporation. The company specializes as a cost-effective and competitive refining, marketing and transportation company that has more than $8 billion in assets. Clarence P. Cazalot Jr. has been the chief executive officer of Marathon Oil for more than 4 years. He has been with the petroleum company for over 6 years. Cazalot Jr. has a bachelor s degree from Louisiana State University. The company s network of operations encompasses more than 20 states in the United States.

Founded in 1910, CITGO Petroleum Corporation is a locally owned and operated company that produces a range gasoline, diesel, kerosene and motor distillate fuels. It is a transporter and marketer of petrochemicals and other industrial products. The company is one of the largest refiners that produces more than 1 million barrels of crude oil every day in the United States. It markets more than 600 types of lubricants. CITGO Petroleum Corporation operates a network of refineries in Texas, Louisiana and Illinois. It supplies lubricants for the protection of cars, trucks, tractors, trains, lawnmowers and leaf blowers. The company s fuel facilities include Lake Charles Refinery, Corpus Christi Refinery, and Lemont Refinery. It also manufactures and processes asphalt, heating oils, refined waxes, soft drinks and sunflower seeds. CITGO Petroleum Corporation is owned by PDV America, which is an indirect wholly owned subsidiary of Petr leos de Venezuela.