- Mir, Fox and Rodriguez PC
- Miramar Designs Ltd.
- Mirror Enterprise, Inc.
- Miss Mendocino County Pageant
- Miss West Georgia Scholarship Competition
- Miss Wisconsin
- Mission - St. Joseph Hospital
- Mission Community Hospital
- Mission Critical Solutions
- Mission Family Medicine - Weaverville
- Mission Hospital
- Mission Hospital Laguna Beach
- Mission Hospital Mission Viejo
- Mission Regional Medical Center
- Mission Trail Baptist Hospital
- Mississippi Association of REALTORS
- Mississippi Association of Supervisors
- Mississippi Coast Coliseum and Convention Center
- Mississippi County Hospital
- Mississippi Gulf Coast Convention and Visitors Bureau
- Mississippi Hospital Association
- Mississippi Organ Recovery Agency
- Mississippi Society of Association Executives
- Mississippi State Department of Health
- Missoula Manor Homes
- Missouri Baptist Sullivan Hospital
- Missouri Beef Council
- Departamento de Salud y Servicios para la Tercera Edad de Misuri
- Missouri Hospital Association
- Missouri League for Nursing
- Missouri Slope Areawide United Way
- Missouri Society of Association Executives
- Mitchell County Hospital
- Mitchell County Regional Health Center
- Mitchellville Public Library
- Mitratech
- Mitsubishi Motors North America, Manufacturing Division
- Mizell Memorial Hospital
- ML Sewing Machine Company
- MLR Atlanta, LLC
- Moapa Valley/Virgin Valley Mortuaries
- Mobile Area Convention and Visitors Bureau
- Mobile Chapter of the Links, Inc and The Linkage to Life Program
- Mobile Drury Inn
- Mobile Infirmary Medical Center
- Modern Woodman of America
- Modesto Junior College
- Modus Media International
- Modus Media International
- Moeller Dermatology