NSA Northern Zone - NSA's region covering Illinois, Indiana, Iowa, Kansas, Kentucky, Michigan, Minnesota, Missouri, Nebraska, Ohio, Wisconsin, and the Dakotas. NSA Northeast: Region 1 - NorthEast NSA supports Region 1 of the National Softball Association. Region 1 includes Connecticut, Maine, Massachusetts, New Hampshire, New York, Rhode Island, and Vermont. National Softball Association - The National Softball Association is a full service organization that offers a division of play and a level of competition that Youths through Adults can enjoy. NSA of Washington - Provides adult slowpitch softball tournaments and leagues. Tournaments, results, pictures, standings, and news items. NSA Maryland / Delaware Softball - Promotes softball in Maryland and Delaware, Adult, Youth, Slowpitch, Fastpitch, Umpiring. NSA Virginia - Tournament listings for fastpitch and slowpitch teams.