- Napa County Local Enforcement Agency1
- National Renewable Energy Laboratory (U.S.)1
- Nationale geologiske undersøgelser for Danmark og Grønland1
- Nature Kenya1
- Nelson/Nygaard1
- Netherlands Antilles. Dienst van het Kadaster1
- Nevada County, California1
- Newman Library (Bernard M. Baruch College)1
- Nishimura, Soshichi1
- Nishkian, L.H.1
- Noriai Jidosha Co., Ltd1
- North Fork Associates1
- Northeastern Regional Association of Coastal and Ocean Observing Systems (Organization)1
- Office of Emergency Services1
- Okada, Gyokuzan, -18081
- Okamoto/Liskamm1
- Olmsted, Frederick Law, 1822-19031
- Ooka, Shoken1
- Ottoman Army1
- Owen, W. F. W., 1774-18571
