Organizers
- Madison County Economic Development Council Inc. (MCEDC)
- Madison Festivals
- Madison Hoopz
- Madison Jaycees
- Madison Mayodan Recreation Commission
- Madison School and Community Recreation
- Madison Southern Football Boosters
- Madison Youth Baseball & Fastpitch Softball
- Madonie MTB Resort
- Madonna Learning Center, Inc
- Madras Aquatic and Recreation District
- Madras Aquatic Center Recreation District
- Madrid Milers Running Club
- MAGGIANOS
- Maggies
- Maggie's
- Maggie's Place
- MAGIC Activity Center
- Magic Moments Brooklyn LLC
- Magic Soccer Club
- Magical Minds Studio
- Magical Wishes 5k benefiting Make-A-Wish Michigan
- Magnificat High School
- Magnolia Baseball Association
- Magnolia Boys Club
- Magnolia Farm
- Magnolia Greens Golf Academy
- Magnolia Manor
- Magnuson Series
- MAHANKE SPORTS PERFORMANCE
- Mahomet Community Tennis Association
- Mahwah Municipal Alliance
- Main Beach Surf and Sport
- Main Event Sports
- Main Line Animal Rescue
- Main Street Laurens USA, Inc.
- Main Street Marathon, LLC
- Main Street Middletown
- Main Street School of Performing Arts
- Maine Field Hockey Academy
- Maine Gaelic Sports Alliance
- Maine Lobster Festival Corp.
- Maine Pines Racquet and Fitness
- Maine South High School Boys Cross Country
- Maine Sport
- Maine Township
- Mainly Marathons
- Mainstream Promotions
- Maison T Ortiz Youth Outdoor Skills, Inc.
- Majestic View Nature Center
