A.P. Vin
Ancient Oak Cellars
Anglim Winery
Arbe Garbe
Arrowood
Artezin
Bedrock Wine Company
Belle Glos
Boundary Post Ranch
Bucklin
Cakebread
Calligraphy
Cantara Cellars
Chappellet Vineyards
Charter Oak
Chateau Potelle
Chateau Souverain
Chouinard Vineyards
Christopher Creek
Clavo Cellars
Cline
Collier Falls
Croad Vineyards
DaVero
Day
D-Cubed Cellars
De Loach Vineyards
de Négoce
Dry Creek Vineyard
DuMOL
Durant & Booth
Dutton Estate
Dutton-Goldfield
Elyse
Ernest & Julio Gallo
Fenestra Winery
Fred's Hands
Grey Wolf
Gundlach Bundschu
Haywood
Hibou
J Vineyards
J. Baldwin
Kendall-Jackson
Ladera Vineyards
Limerick Lane
Lynmar Estate
Marietta
Marr Cellars
Martinelli
Merry Edwards
Mueller
Newland Vineyards
Neyers
Oak Farm Vineyards
Ottimino
Peachy Canyon
Philip Staley
Rabbit Ridge
Raymond
Red Car
Ridge
Rochioli
Rosenblum
Rusina
Russian Hill
S.E. Chase
Sable Ridge Vineyards
Santino
Seven Lions Winery
Shone Farm (Santa Rosa Junior College)
Silverado Vineyards
Small Vines Wines
St. Francis
Steele
Toad Hollow
Trentadue
Turley
Twomey
Waugh Cellars
Wine Guerrilla
Zenaida