| National Computing Centre |
Oxford Road
Manchester
UK | 1 | 0 |
| National Digital Transformation Infrastructure Office |
— | 0 | 1 |
| National Energy PKI Limited |
— | 0 | 1 |
| National Environmental Emergencies Centre |
— | 0 | 1 |
| National Gas |
— | 0 | 1 |
| National General Insurance |
— | 0 | 1 |
| National Health Insurance House, Romania |
— | 1 | 0 |
| National Health Investors, Inc. |
— | 0 | 1 |
| National Health Service (UK) |
— | 2 | 0 |
| National Highways |
— | 0 | 1 |
| National HME Inc. |
— | 0 | 1 |
| National information Technology Authority - Uganda (NITA-U) |
— | 0 | 1 |
| NATIONAL INFORMATION TECHNOLOGY DEVELOPMENT AGENCY |
— | 0 | 1 |
| National Information Technology Development Agency |
— | 0 | 1 |
| NATIONAL INFORMATION TECHNOLOGY DEVELOPMENT AGENCY, |
— | 0 | 1 |
| NATIONAL INFORMATION TECHNOLOGY DEVELOPMENT AGENCY, |
— | 0 | 1 |
| National Institute of Information and Communications Technology (NICT) |
— | 0 | 1 |
| National Institute of Public Health |
— | 0 | 1 |
| National Institute of Technology Karnataka, Surathkal |
— | 0 | 1 |
| National Institute of Technology,Tiruchirappalli |
— | 0 | 1 |
| National Internet Development Agency of Korea (NIDA) |
3F, 398, Seochoro
Seocho-gu
Seoul, 137-857
Republic of Korea | 1 | 0 |
| National Library of Canada |
395 Wellington Street
CA-Ottawa K1A 0N4
Canada
(See ISO 10161-1 Amd. 2:2002) | 0 | 1 |
| National Library of Greece |
— | 0 | 1 |
| National Library of Medicine |
8600 Rockville Pike
Bethesda, MD 20894
United States (the) | 2 | 0 |
| National Marine Electronics Association |
— | 0 | 1 |
| National Marrow Donor Program |
3001 Broadway Street N.E.
Suite 100
Minneapolis, MN 55413-1753
United States (the) | 1 | 0 |
| National museum "Kyiv art gallery" |
— | 0 | 1 |
| National Park Medical Center |
1910 Malvern Avenue
Hot Springs, AR 71901
United States (the) | 1 | 0 |
| National Parkinson Foundation |
1501 NW 9th Ave
Miami, FL 33143
United States (the) | 1 | 0 |
| National Petroleum Construction Company |
— | 0 | 1 |
| National Quality Forum |
1030 15th St NW
Suite 800
Washington DC 20005
United States (the) | 1 | 0 |
| National Radio and Telecommunication Corporation |
— | 0 | 1 |
| National Research University Higher School of Economics |
— | 0 | 1 |
| National Security Agency |
— | 0 | 1 |
| National Steel Car |
— | 0 | 1 |
| National Széchényi Library |
— | 0 | 1 |
| National Telecom Public Company Limited (NT) |
— | 0 | 1 |
| National Telecommunication Corporation |
— | 0 | 1 |
| National Theatre |
— | 0 | 1 |
| National Tsing Hua University |
— | 0 | 1 |
| National Tsing Hua University Tech Society |
— | 0 | 1 |
| National TsingHua University Blockchain Club |
— | 0 | 1 |
| Nationalmuseet |
— | 0 | 1 |
| NationGate Computing Sdn. Bhd |
— | 0 | 1 |
| Nations Holding Company |
— | 0 | 1 |
| Nationwide Telephone Assistance Ltd |
— | 0 | 1 |
| Native American Church of Turtle Island |
— | 0 | 1 |
| Native American Connections |
4520 N. Central Ave. Ste 600
Phoenix, AZ 85018
United States (the) | 1 | 0 |
| Native Wind Pediatric & Family Care |
— | 0 | 1 |
| Natividad Medical Center |
Natividad Medical Center
1441 Constitution Blvd.
Salinas, CA 93906
General Information: (831) 755-4111
United States (the) | 1 | 0 |