Barrel Series #4:

Pepper Bridge/WSU Blended Learning

Aquilini
Avennia
Baer Winery
Barrage Cellars

 Brian Carter Cellars
Cadence
Col Solare Winery
Côte Bonneville
DeLille Cellars
FIGGINS
J. Bookwalter
L'Ecole No 41
Long Shadows Vintners
Mark Ryan Winery

Matteo Wines
Matthews
Mullan Road Cellars

Owen Roe

Revelry Vintners
Seven Hills Winery
Sparkman Cellars
Spring Valley Vineyard
Treveri Cellars
Two Vintners
Upchurch Vineyard & Betz Family Winery Collaboration
Walla Walla Vintners
Woodward Canyon