- NEC Corporation
- NEC Europe Ltd.
- NEC Europe Ltd. [Middlesex]
- NEC Europe Ltd., Network Laboratories
- NTT Corporation
- NYU System
- National ICT Australia Ltd
- National ICT Australia [Sydney]
- National Institute of Technology
- National Technical University of Ukraine "Kyiv Polytechnic Institute" [Kiev]
- National University of Sciences and Technology [Islamabad]
- National University of Singapore
- National and Kapodistrian University of Athens
- Networks Research Group
- New York University [Abu Dhabi]
- Nokia Bell Labs [Nozay]
- Nokia Siemens Networks Magyarország Kft (Nokia Siemens Networks)
- Norwegian University of Science and Technology
- Norwegian University of Science and Technology [Trondheim]
- Novapost, Novapost R&D