Citgo

Citgo Petroleum Corporation (or Citgo) is a United States–incorporated, Venezuela-owned refiner, transporter and marketer of transportation fuels, lubricants, petrochemicals 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 Venezuela. The company has its headquarters in the Energy Corridor area of Houston, Texas.

Read more about Citgo:  Venezuelan Controversy, Refinery Locations, Sponsorships, The Boston Citgo Sign, Headquarters