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 Maryland/Delaware Softball: Promotes softball in Maryland and Delaware, Adult, Youth, Slowpitch, Fastpitch, Umpiring.
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.
NSA Northern Zone: NSA's region covering Illnios, Indiana, Iowa, Kansas, Kentucky, Michigan, Minnesota, Missouri, Nebraska, Ohio, Wisconsin, and the Dakotas.
NSA of Washington: Provides adult slowpitch softball tournaments and leagues. Site includes tournaments, results, pictures, standings, and news items.
NSA PA: NSA registration, mailing list, NSA messageBoard, tournament listings, tournament results, history, and lodging information.
NSA Virginia: Tournament listings for fastpitch and slowpitch teams.
Ohio NSA: Provides tournament information, team and softball links.