2008 participants scheduled to attend as of Tuesday, April 15, 2008 include:

Becker Vineyards
Bill Mountain Vineyards
Fall Creek Vineyards
Fawncrest
Grape Creek Vineyards
Haak Vineyards & Winery, Inc.
Inwood Estates Vineyard
Llano Estacado Winery
Lost Creek Vineyard
McReynolds Winery
Messina Hof Winery & Resort
Oberhof Wine Cellars
Piney Woods Country Wines
Pleasant Hill Winery
Purple Possum Winery
Red Road Vineyard & Winery
Singing Water Vineyards
Sister Creek Vineyards
Spicewood Vineyards
Texas Hills Vineyard
Twin Springs
Val Verde Winery