- Mohave County
- Mohawk Valley Health System - St. Elizabeth Campus
- Molalla Discount Tires
- Molina Healthcare, Inc.
- Molzen Corbin
- Mon Health Grafton City Hospital
- Mon Health Marion Neighborhood Hospital
- Mon Health Medical Center
- Mon Health Preston Memorial Hospital
- Mon Health Stonewall Jackson Memorial Hospital
- Monadnock Community Hospital
- Monadnock United Way
- Mongiovi Plumbing and Excavating
- Monmouth County, Department of Human Services
- Monmouth Medical Center
- Monmouth Medical Center Southern Campus
- Monongahela Valley Hospital, Inc.
- Monroe Carrell Jr. Children's Hospital at Vanderbilt
- Monroe College Bronx Campus
- Monroe County Board of Commissioners
- Monroe County Hospital
- Monroe County Hospital
- Monroe County Hospital
- Monroe County School Board
- Monsanto Co.
- Monson Developmental Center
- Montana Credit Unions League
- Montana Department of Public Health and Human Services, Montana Abstinence Partnership
- Montana Job Training Partnership, Inc.
- Montana Motor Vehicle Division
- Montana Office of Rural Health and Montana Area Health Education Center
- Montana State Government
- Montclair Medical Center
- Montefiore Medical Center - Einstein Campus
- Montefiore Medical Center - Moses Campus
- Montefiore Medical Center - New Rochelle Campus
- Montefiore Medical Center - Wakefield Campus
- Montefiore Mount Vernon Hospital
- Montefiore Nyack Hospital
- Montefiore St. Luke's Cornwall
- Montefiore Westchester Square Campus
- Monterey Bay Inn
- Monterey County Convention and Visitors Bureau
- Monterey County Convention and Visitors Bureau
- Monterey County Coroner's and Sherriff's Office
- Monterey Marriott
- Monterey Park Hospital
- Montgomery County
- Montgomery County Government
- Montgomery County Memorial Hospital