E. & J. Gallo Winery (Gallo), Modesto, Calif., announced that it has purchased Denner Vineyards, producer of critically acclaimed wines from California’s Central Coast. Located in the Willow Creek District of Paso Robles, the Denner Vineyards Estate, which was completed in 2005, includes a tasting room and a gravity-flow winery designed to fit into the rolling hillside of the surrounding vineyards.