www.Maoso.Biz is a 501c3 Non-Profit Organization
Welcome to MAOSO:
We are...
Minnesota Association of Sports

Professional sports officials for
football, basketball and soccer. We
are here to help your organization
with their youth sports leagues.
Check out our
tournaments we
host including fall football.
We donate...
MAOSO donates time and money
each year to many great causes

MVC Minnesota Vikings
Cheerleaders, The Vikings Children
Fund, Various MN High School
Teams, Special Olympics, and The
United Way.
We require...
Concussion Training
In order to work any games, meaning the
training course on the  MSHSL website.