do they have their establishments abroad?
Yes, the Gulf Coast.
Texaco
n January 1989, Texaco and Saudi Aramco agreed to form a joint venture known as Star Enterprise in which Saudi Aramco would own a 50% share of Texaco's refining and marketing operations in the eastern U.S. and Gulf Coast. 
what is 'texas oil boom' all about? It was a period of dramatic change and economic growth in the U.S. state of Texas during the early 20th century that began with the discovery of a large petroleum reserve near Beaumont, Texas. name a few companies that drilled for oil in that region. Texaco, Gulf Oil Corporation and the Magnolia Petroleum Company. what other economic developments took place in that state due to this boom? Industrialization - Chemical plants, steel factories, cement plants, automobile manufacturing, and many other types of heavy industry that could benefit from a ready supply of cheap fuel rapidly developed in the area. you had mentioned 3 companies that drilled for oil in that area, when was that first company formed? 1901. who are its founders? Jim Hogg, Joseph S. Cullinan, John Warne Gates, and Arnold Schlaet. where is it headquartered in? Westchester County, New York. is this company responsible for environmental negligence? Yes, It has been accused of extensive environmental damage from these operations, and faces legal claims from both private plaintiffs and the government of Ecuador. does this company have gasoline stations? No, but it does provide gasoline at stations.
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Texaco [SEP] 1964–98: Various ventures
In 1987, Texaco filed for bankruptcy. It was the largest in U.S. history until 2001. In January 1989, Texaco and Saudi Aramco agreed to form a joint venture known as Star Enterprise in which Saudi Aramco would own a 50% share of Texaco's refining and marketing operations in the eastern U.S. and Gulf Coast. In 1989, Texaco introduced System3 gasolines in all three grades of fuel, featuring the latest detergent additive technology to improve performance by reducing deposits that clog fuel injection systems. Toronto-based Texaco Canada Incorporated was sold to Imperial Oil with all Texaco Canada retail operations converted to Esso brand.