Based in Houston, Texas, CITGO is a refiner and marketer of transportation fuels, lubricants, petrochemicals, refined waxes, asphalt and other industrial products. The company is owned by PDV America, Inc., an indirect, wholly owned subsidiary of Petróleos de Venezuela, S.A., the national oil company of the Bolivarian Republic of Venezuela. CIGO utilizes Intelex's Quality Management System.
