Vienna Chamber of Commerce is a non-profit business and community development organization focused on the betterment and revitalization of Vienna, Missouri. The Maries County Fair Association fosters community involvement and development, promotes local businesses and organizations, promotes and advances the interest of agriculture and encourages entrepreneurship in children by hosting the annual county fair. The fair board is committed to the operation of the fairground facilities, which generates economic stimulation and tourism development in Maries County, MO.