The Wisconsin Donkey and Mule Society, Inc. (WDMS) was formed on April 21, 1985 to:

• Promote and improve the quality of donkeys, mules, and hinnies and related hybrids in Wisconsin.
• Develop and encourage good sportsmanship and fellowship in recreation and useful work involving donkeys and mules.
• Provide a forum for the exchange of information, products, and resources necessary and interesting to donkey and mule owners and enthusiasts.
• Assist members in improving their skills and knowledge of donkeys and mules, and their care, training, and handling.
• Educate and inform the public about the virtues and values of donkeys and mules for recreation and work, and to encourage a better market for donkeys and mules in Wisconsin.
• Cultivate friendly, cooperative, and helpful relations with similar groups.
• Own and/or lease property for club uses.