Organizers
- Minnesota State
- Minnesota State Men's Basketball
- Minnesota State University Triathlon Club
- Minnesota State Women's Basketball
- Minnesota Swim Camps
- Minnesota Tri Masters
- Minnesota Urban Debate League
- Minocqua Area Chamber Of Commerce
- Minooka Lions Club
- Miquon Day Camp
- Miracle League of Connecticut Inc.
- Miracle League of Southeastern Connecticut
- Miracle Limbs Courage in Motion
- Miracle Mile Makenna and Maggie's Race for Research
- Miramont Lifestyle Fitness
- Miriam B. White Foundation
- Misako Ballet Studio
- Misako Beats
- Misericordia University Baseball
- Miss Bridge Fest Scholarship Program
- Miss Charlotte Fastpitch Softball
- Miss Jennie's Performing Arts Studio
- Miss River Raisin Festival Scholarship Program
- Miss Shen Softball
- Missing Links Golf Club
- Mission Bay Golf Course
- Mission Dance Centre
- Mission Firefly 5K
- Mission Hills Athletic Club
- Mission Hills Country Club (Private)
- Mission Inn Foundation and Museum
- Mission Lakes Country Club
- Mission Marlins Swim Club
- Mission Meadows
- Mission Montessori Athletics
- Mission Montessori Schools
- Mission Vista Timberwolves Foundation
- MissionsRace
- Mississauga Aquatic Club
- Mississippi 811, Inc.
- Mississippi Blues Marathon
- Mississippi Elks Camp
- MISSISSIPPI STATE UNIVERSITY GOLF COURSE
- Mississippi State University Golf Course
- Mississippi Tennis Association
- Mississippi Track Club
- Mississippi University for Women
- Mississippi Valley Sports
- Missoula Parks and Recreation
- Missoulians on Bicycles