- NEC Corporation
- NEC Europe Ltd.
- NEC Europe Ltd. [Middlesex]
- NEC Europe Ltd., Network Laboratories
- NEC Laboratories Europe
- NETQUEST
- NIC Research Labs [Chile]
- NIMBUS Centre [Cork]
- NOVA Laboratory for Computer Science and Informatics
- NPD Group
- NTT Corporation
- NYU Polytechnic School of Engineering
- NYU System
- Nagoya University
- Nakhoul Corporation
- Namibia University of Science and Technology
- Nanjing University
- Nanyang Technological University [Singapour]
- National Health Serivice
- National ICT Australia Ltd
- National ICT Australia [Sydney]
- National Informatics Centre
- National Institute for Research and Development in Informatics [Bucharest]
- National Institute for Subatomic Physics [Amsterdam]
- National Institute of Advanced Industrial Science and Technology
- National Institute of Informatics
- National Institute of Information and Communications Technology [Tokyo]
- National Institute of Technology
- National Institute of Technology [Patna]
- National Research Council [Italy]
- National Research Council of Italy | Consiglio Nazionale delle Ricerche
- National Research University of Information Technologies, Mechanics and Optics [St. Petersburg]
- National Taiwan University [Taiwan]
- National Taiwan University of Science and Technology
- National Technical University of Athens [Athens]
- National Technical University of Ukraine "Kyiv Polytechnic Institute" [Kiev]
- National Tsing Hua University [Hsinchu]
- National University of Defense Technology [China]
- National University of Ireland Maynooth
- National University of Ireland [Galway]
- National University of Sciences and Technology [Islamabad]
- National University of Singapore
- National and Kapodistrian University of Athens
- Naval Research Laboratory
- Nazarbayev University [Kazakhstan]
- Nelson Mandela University [Port Elizabeth]
- Netherlands Organisation for Scientific Research
- Network & Services Research Laboratory, Department of Electronic & Electrical Engineering
- Network Architectures and Services Group
- Networks Research Group
- Networks and Performance Analysis
- Nevion AS
- New York University [Abu Dhabi]
- Newcastle University Business School
- Newcastle University [Newcastle]
- Nile University
- Ningbo Dahongying University
- No Magic Europe
- Nokia Bell Labs [Espoo]
- Nokia Bell Labs [Nozay]
- Nokia Bell Labs [Paris-Saclay]
- Nokia Bell Labs [Stuttgart]
- Nokia Siemens Networks Magyarország Kft (Nokia Siemens Networks)
- Nokia Siemens Networks [Espoo]
- Nokia Siemens Networks [Munich]
- Nord University [Bodø]
- Nordic Institute for Studies in Innovation, Research and Education
- Normandie Université
- North Atlantic Treaty Organization (NATO) Science and Technology Organization (STO) Centre for Maritime Research and Experimentation (CMRE)
- North Carolina State University [Raleigh]
- North Dakota State University
- Northeastern University [Boston]
- Northumbria University [Newcastle]
- Norvegian University of Science, Trondheim
- Norwegian Information Security Lab
- Norwegian Information Security Laboratory
- Norwegian University of Science and Technology
- Norwegian University of Science and Technology [Trondheim]
- Nottingham Trent University
- Nottingham University Business School [Nottingham]
- Novapost, Novapost R&D
- Nuclear Research Center-Negev