The Opus One Winery is operated at 7900 St. Helena Highway in Oakville, California. Opus One was created in 1979 by Baron Philippe de Rothschild and Robert Mondavi.
Acacia Winery was created in 1979.
D'Agostini Winery was created in 1856.
Alderbrook Winery was created in 1982.
Pelter Winery was created in 2005.
Columbia Winery was created in 1964.
Strewn Winery was created in 1997.
Renault Winery was created in 1864.
Haywire Winery was created in 2009.
Houghton Winery was created in 1836.
Bianchi Winery was created in 1974.
Benovia Winery was created in 2005.