- Northwest Medical Center
- Northwest Medical Center
- Northwest Medical Center - Bentonville
- Northwest Medical Center - Bentonville
- Northwest Medical Center - Springdale
- Northwest Medical Center Bentonville
- Northwest Medical Center Sahuarita
- Northwest Medical Center Springdale
- Northwest Medical Center- Oro Valley
- Northwest Montana United Way
- Northwest Renal Network ESRD Network #16)
- Northwest Texas Healthcare System
- Northwestern Connecticut Community College, SORH for CT
- Northwestern Huntley Hospital
- Northwestern Lake Forest Hospital
- Northwestern Lake Forrest Hospital
- Northwestern McHenry Hospital
- Northwestern Medical Center
- Northwestern Memorial Hospital
- Northwestern Memorial Hospital Organ Transplantation Program
- Northwestern University
- Northwood Deaconess Health Center
- Northwoods State Bank
- Norton Audubon Hospital
- Norton Brownsboro Hospital
- Norton Community Hospital
- Norton Healthcare
- Norton Hospital
- Norton's Brownsboro Hospital
- Norumbega Medical
- Norwalk Hospital
- Norwood Hospital - Steward Health Care
- Norwood Richardson Insurance
- Notox, USA
- Notter Consulting
- Novant Forsyth Medical Center
- Novant Health Huntersville Medical Center
- Novant Health Matthews Medical Center
- Novant Health Mint Hill Medical Center
- Novant Health Presbyterian Medical Center
- Novant Health Thomasville Medical Center
- Novant Health UVA Health System Culpeper Medical Center
- Novant Health, Inc
- Novant UVA Health System Haymarket Medical Center
- Novant UVA Health System Prince William Medical Center
- Novel-T's
- Novell
- Noxubee General Hospital
- NPS Pharmaceuticals
- NSK Corp.