- NSMC Salem Hospital
- Nucor-Yamato Steel Co.
- Numet Machining Techniques, Inc.
- Nurse Practitioner Alternative, Inc.
- Nurses Organization for Veteran Affairs NOVA)
- NuSkin Enterprises
- NuStats
- NuStep, Inc.
- Nutley Elks #1290
- Nutri-System, Inc.
- Nutrition Management Services Company
- Nutter McClennen and Fish LLP
- Nuvelo
- NYC and Company
- NYC Department of Education
- NYC Health + Hospital-Queens
- NYC Health + Hospitals-Bellevue
- NYC Health + Hospitals-Coney Island
- NYC Health + Hospitals-Elmhurst
- NYC Health + Hospitals-Harlem
- NYC Health + Hospitals-Jacobi
- NYC Health + Hospitals-Kings County
- NYC Health + Hospitals-Lincoln
- NYC Health + Hospitals-Metropolitan
- NYC Health + Hospitals-North Central Bronx
- NYC Health + Hospitals-Woodhull
- Nye County Sheriff's Office
- Nypro Asheville, Inc.
- NYU Langone Hospital-Brooklyn
- NYU Langone Tisch Hospital
- NYU Langone Transplant Institute
- NYU Winthrop Hospital
- O'Callaghan Hotel Annapolis
- O'Connor Hospital
- O'Neil Printing
- O.C. Tanner
- Oak Forest Health Center - Cook County Health and Hospitals System
- Oak Hill Hospital
- Oak Manor Nursing Home, Inc.
- Oak street Health
- Oakdale Community Hospital
- Oakland Convention and Visitors Bureau
- Oakland County Board of Commissioners
- Oakland County Medical Society
- Oakland County, Michigan
- Oakland University
- Oakley Elementary School
- Oakwood Annapolis Hospital
- Oakwood Heritage Hospital
- Oakwood Hospital and Medical Center