American Vineyard Foundation
http://www.avf.org/

American Vintners Association
http://www.wineamerica.org/wapt/index.html

American Viticulture Enology Research Network
http://wineserver.ucdavis.edu/avern/avern1.html

IA Iowa Grape Growers Association
http://www.iowawinegrowers.org/index.html

IA Western Iowa Grape Growers Association
http://www.westerniowagrapegrowers.org/index.html

Idaho Wineries and Vineyards
http://idahowine.org/

MN Cold Climate Vines
http://www.grapes.umn.edu/

MN Minnesota Grape Growers Association
http://www.mngrapes.org/

North Dakota Grape Growers Association
www.ndgga.org

Ontario Grape Growers
http://www.grapegrowersofontario.com/

Pennsylvania Wine Grape Network
http://winegrape.cas.psu.edu/

South Dakota Wine Growers Association 605-688-473

Wineries of Indiana
http://www.indianawines.org/