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

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 including:

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.