The Midwest Ski Areas Association, Inc. (MSAA) is a non-profit trade association, which represents the interests of ski areas located in Illinois, Indiana, Iowa, Michigan, Minnesota, Missouri, North Dakota, Ohio, South Dakota, and Wisconsin. The mission of the Midwest Ski Areas Association, Inc. is to represent the interests of the membership by providing resources that enhance the quality of service and product provided to the public, and to foster, stimulate and promote safety, education and growth in the industry.