- NewYork-Presbyterian Lawrence Hospital
- NewYork-Presbyterian Lower Manhattan Hospital
- NewYork-Presbyterian Morgan Stanley Children's Hospital
- NewYork-Presbyterian Queens
- Niagara County
- Niagara Falls City School District
- Niagara Falls Memorial Medical Center
- Niagara Frontier Transportation Authority
- Niagara Mohawk Holdings
- Niagara Mohawk Power Corporation
- North Fork Bank
- North General Hospital
- North Shore University Hospital
- North Tonawanda City Schools
- Northeast Health
- Northeast Kidney Foundation
- Northern Dutchess Hospital
- Northern New York Rural Health Care Alliance Inc.
- Northern Westchester Hospital
- Northport VA Medical Center
- Northwell Health Lenox Hill Hospital
- Northwell Plainview Hospital
- Northwest Buffalo Community Health Care Center
- 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
- NYU Langone Hospital-Brooklyn
- NYU Langone Tisch Hospital
- NYU Langone Transplant Institute
- NYU Winthrop Hospital
- OCA Westchester and Hudson Valley Chapter
- Office of the Bronx Borough
- Ogan Dallal Associates PR
- Olean General Hospital
- OMARA Organization
- Oneida County Tourism
- Oneida Health Hospital
- Oneida Teachers Association
- Optimal Therapy Associates Services
- Orange Regional Medical Center
- Orleans-Niagara BOCES