Beringer
Cakebread
Chateau Montelena
Conn Creek
Darioush
Duckhorn Vineyards
Fleury Estate Winery
Grgich Hills
Lola
Merryvale
Michael David
Paraduxx (Duckhorn)
Prager Winery & Port Works
Seghesio Family Winery
Stags' Leap Winery
Sterling Vineyards
Switchback Ridge
Taplin Cellars
The Prisoner Wine Company
Turley
Vineyard 29
Whitehall Lane