Organizers
- Mended Little Hearts of Volusia County
- Mendocino Coast Police Activities League
- Mendocino Coast Recreation and Park District
- Mendon-Upton Education Foundation
- Mendon-Upton Regional Teachers Association
- Menifee Lakes Country Club
- Menlo-Atherton Pop Warner
- Menomonee Falls High School Student Council
- Menomonie Parks and Recreation Department
- Men's Health Forum Scotland
- Mentally Fit
- Mentoring Youth Nantucket, Inc
- Merced Athletic Corporation
- mercedes tiger band boosters
- Mercer Area Little League
- Mercer County Golf Academy
- Mercer Island Martial Arts
- Mercer Island Young Life
- Mercer PA Class of 2015
- Mercer Soccer Academy
- Mercer Soccer Camps
- Mercer Volleyball
- Mercerville Fire Company
- Merchantville Little League
- Mercy College Exercise Science Club
- Mercy HealthPlex
- Mercy HealthPlex Fairfield
- Meriden Rotary Foundation
- Meridian Parks and Recreation
- Meridian Tennis Association
- Meridian Township
- Meridian Valley Country Club
- Merit School of Music
- Meriwether National Golf Club
- Mermaid Series
- Merriam Music Inc.
- Merrick County Child Development Center
- Merrick Road Park Golf Course
- Merrill Lynch Running of the Bulls Charity Fund
- Merritt Academy
- Merritt Academy Summer Camp
- Merritt Athletic Clubs
- Merritt Island Little League
- Merritt Otters
- Merrohawke Nature School
- Merrymeeting Community & Adult Education
- Merseyside Christian Youth Camps
- Merton Athletic Association
- Mesa County Junior Football Association
- Mesa County Search and Rescue Ground Team
