Agnitio
Alpen Cellars
Auburn James
B Wise
Bacio Divino
Belle Glos
Beringer
Blackbird Vineyards
Cakebread
Carlisle
Chateau Montelena
Chateau Ste. Michelle
Chesca Family Wine
Cliff Lede
Copain
Darioush
Darms Lane
Dellar & Friedkin Vineyard
Dobbes Family Estate
Duckhorn Vineyards
DuMOL
Dusted Valley
Dylan's Ghost
Elyse
Etude
Far Niente
Faust
Frazier
Frequency Wines
Gandona
Goosecross
Grgich Hills
Herman Story
Isenhower
Kerloo Cellars
Kerr Cellars
Larkmead Vineyards
Limerick Lane
Little Wings
Lola
Louis M. Martini
Luna
Merryvale
Meyer Family Cellars
Michael Mondavi
Mira
Mockingbird Hill
Napa Wine Company
Nickel and Nickel
Nielson
Palencia
Palladian
Paraduxx (Duckhorn)
Patz & Hall
Paul Lato
Peju Province
Penfolds
Peter Franus
Picayune
Pietro Family Cellars
Post Parade
Pride Mountain
Proper Wines
Purlieu Wines
Raymond
Red Car
Reid Family Vineyards
Relic
Robert Mondavi
Robert Sinskey
Rombauer
Salvestrin
Saviah
Schmidt Family Vineyards
Second Line Wines
Shone Farm (Santa Rosa Junior College)
Silverado Vineyards
St. Supery
Stags' Leap Winery
Sterling Vineyards
Stewart
Stolpman
Sullivan
Switchback Ridge
Teeter-Totter
Tensley
Tessier Winery
The Prisoner Wine Company
The Vice
Thomas Gerrie Wines
Top Source
Triumph Cellars
Turley
TwentyFour
Vineyard 29
W.T. Vintners
Whitehall Lane
Yao Family Wines