Citgo
Wikipedia.com and Citgo Corporate Website

Citgo is a subsidiary of Venezuela's state-owned oil company, Petroleos de Venezuela S.A. (PDVSA). As such, it ultimately belongs to Venezuelan President Hugo Chávez. It is a United States-incorporated firm, a refiner and marketer of gasoline, lubricants, petrochemicals and other petroleum products

One of the USA's largest refiners; Controls more than 6% of U.S. refinery capacity

In July 2006 announced plans to cease serving 14% of their independent retailers in the United States; Previously supplied 14,000 retailers


How it happened
1965---Citgo gasoline brand was inaugurated in 1965 by the Cities Service Company, a United States based energy company.

1982---Cities Service Company is acquired by Occidental Petroleum Corporation

1983, Citgo was sold to Southland Corporation (owners of the 7-Eleven chain of convenience stores)

1986--- 50% was sold to Petróleos de Venezuela

1990---The remaining 50% of Citgo sold to Peroleos de Venezuela

2004---Headquartered in Houston, Texas, with over 4,000 employees and annual revenue in excess of $32 billion.