Winetasters Society of Toronto - Club based in Ontario, Canada. Includes a vintage chart and results from past tastings, along with information about membership and events. - http://www.winetasters.ca/
The Wine Century Club - For people who have tried 100 different wine grape varieties, and others interested in the concept. Includes membership information and event listings. - http://www.winecentury.com/
Tasters Guild International - Society of wine and food enthusiasts. Includes information about membership and wine judging competetions, as well as tasting notes, articles, and event listings. - http://www.tastersguild.com/
Brotherhood Of The Knights Of The Vine - Association of individuals with an interest in the vines and wines of America. Includes a clickable map of active chapters, historical background, and membership information. - http://www.kov.org/
Seattle Wine Society - Organization offering monthly programs hosted by guest speakers from the industry. Includes event listings and membership information. - http://www.seattlewinesociety.org/
Women For Winesense - Non-profit educational society promoting responsible enjoyment of wine. Includes descriptions of the society and sponsored programs, membership information, and a list of chapters. - http://www.womenforwinesense.org/
Rhone Rangers - Non-profit, educational group of consumers and professionals, dedicated to American-grown Rhone grape varieties. Includes information about wines, winery profiles, event calendar, links and membership information. - http://www.rhonerangers.org/
Les Chevaliers Du Grand Vin Wine Society - International non-profit club promoting education and enjoyment. Includes information about events and membership. - http://www.winesociety.us/winecell/society.htm
African American Wine Tasting Society, Inc. - Non-profit club offers monthly tastings. Includes event listings, a newsletter [PDF format], and membership details, and information about starting a local chapter. - http://aawts.org/
The Informer - Dedicated to informing the membership and the public about the American Wine Society. - http://home.earthlink.net/~awsjim/
Wine Brats - Non-profit group of enthusiasts dedicated to demystifying wine. Includes educational articles, membership information, and event listings and tickets. - http://www.winebrats.org/
CMAA International Wine Society - Subgroup of the Club Managers Association of America, promoting education and appreciation. Includes membership and event information, along with a description of how to host a wine dinner. - http://www.cmaa.org/winesoc/
German Wine Society - Association of fans of German wines. Includes informational articles, maps, an event calendar, and membership details. - http://www.germanwinesociety.org/
Professional Friends of Wine - Association of professionals in the wine and restaurant industries, dedicated to increasing wine appreciation. Includes informational articles, tasting notes, and recommended links and books. - http://www.winepros.org/
Free The Grapes! - Coalition of consumers and winemakers promoting interstate direct shipping. Includes news, articles and membership information. - http://www.freethegrapes.org/
International Wine and Food Society - Independent association of gastronomic enthusiasts, with branches in thirty countries. Includes information about the society and its worldwide activities. - http://www.iwfs.com/
Wine Institute - Association of California wineries supporting political advocacy, market development, media relations, research, and education. Includes industry news, legal information, and extensive wine-related links. - http://www.wineinstitute.org/
Thomas Jefferson Wine and Food Society - Wine reviews, tips, recipes and free subscription to wine newsletter with selections from wine expert Jim Gabler. - http://www.thomasjefferson.net/
American Wine Society - Non-profit consumer group devoted to education on all aspects of wine. Includes lists of programs, events, and publications. - http://www.americanwinesociety.com/
The Meritage Association - Information about the blends made by the association's member wineries. - http://www.meritagewine.org/