The brands ended up with Anheuser Busch, and the brewery ended up with City.
Founded 1893 in Latrobe, Pennsylvania. Now owned by Labatt Breweries. Makers of Rolling Rock and Rolling Rock Bock.
Rolling Rock features rice and corn, but probably has a little bit of malt somewhere. Popularly know for the mysterious ``33'' on the inside of its label. Explanations vary, but some are explained in a section of the rec.food.drink.beer newsgroup's FAQ.