Senior Softball USA — Organization that runs the Reno tournament over
Memorial Day weekend and national tournaments throughout the year. They also have softball trips to various places around the world and provide the basic rulebook used by NCSSA.
South Placer Seniors Softball Club — South Placer Seniors Softball Club, Inc. is a draft
recreational league that plays at Maidu Park in Roseville on Tuesday evenings from mid-March to mid-September. They have both a 50 and 60 division.