Latrobe Brewing Company in Latrobe, Pennsylvania, founded in 1839, was one of the largest breweries in the United States and the maker of "Rolling Rock" beer. The company merged later in 2004 into InBev, the brewing company that resulted from the merger between Belgium-based company Interbrew and Brazilian brewer AmBev.
 It was purchased by Labatt Brewing Company in 1987, which in turn was purchased in 1995 by the Belgian brewing conglomerate corporation Interbrew, which merged later into InBev in 2004. 
InBev was a brewing company that resulted from the merger between Belgium-based company Interbrew and Brazilian brewer AmBev which took place in 2004. 
