E. & J. Gallo Winery, founded in 1933 by brothers Ernest Gallo and Julio Gallo, is one of the largest family-owned wineries in the United States. Located in Modesto, California, the winery produces a wide range of wines, including popular brands like Barefoot Wine and Gallo Family Vineyards. The winery is known for its commitment to quality and innovation in winemaking. E. & J. Gallo Winery operates vineyards across California and has expanded its portfolio to include various wine styles, catering to diverse consumer preferences.