- Montgomery, Rick, 1960-1
- Moore, Mary Tyler, 1936-20171
- Morella, Constance A., 1931-1
- Morris and Carrick, Inc..1
- Murkowski, Frank H.1
- Muscular Dystrophy Association1
- National Center for Medical Rehabilitation Research (U.S.)1
- National Center on Child Abuse and Neglect (U.S.)1
- National Council on the Aging1
- National Handicapped Sports & Recreation Association (U.S.)1
- Noerdlinger Associations1
- Northwest Productions1
- O'Neil Griffen1
- O'Neil Griffin and Associates1
- Oransky Advertising1
- Paralympic Games1
- Paxon, Bill, 1954-1
- Payne and Company, Inc.1
- Peña, Federico1
- Pitts, Lewis, 1947-1
