Agnitio
Alpen Cellars
Auburn James
Belle Glos
Cakebread
Chateau Ste. Michelle
Chesca Family Wine
Cliff Lede
Copain
Davey Family Wines
Dobbes Family Estate
DuMOL
Dusted Valley
Frazier
Frequency Wines
Goosecross
Grgich Hills
Isenhower
J. Vidal-Fleury
Kerloo Cellars
Limerick Lane
Louis M. Martini
Luna
Michael Mondavi
Mockingbird Hill
Napa Wine Company
Nielson
Palencia
Paraduxx (Duckhorn)
Pietro Family Cellars
Proper Wines
Raymond
Reid Family Vineyards
Relic
Rombauer
Saviah
Schmidt Family Vineyards
Second Line Wines
Shone Farm (Santa Rosa Junior College)
Silverado Vineyards
St. Supery
Stags' Leap Winery
Stolpman
Tessier Winery
The Vice
Thomas Gerrie Wines
Top Source
Triumph Cellars