English abbreviations from niser to nix
- NISER(National Institute of Science Education and Research)
- NISH(Noncombatant Evacuation Operation (NEO) Intelligence Support Handbook)
- NISO(National Information Standards Organization)
- NISOD(National Instituite for Staff and Organizational Development)
- NISP(National Intelligence Support Plan)
- NISS(New Icmi Study Series)
- NIST(National Institute of Standards and Technology)
- NIT(National Invitation Tournament (U.S. college basketball))
- NITA(New Information Technologies For Automation)
- NITC(Normal Incremental Transfer Capability)
- NITE(Navigate Indy This Evening)
- NITEC(National Institute of Technical Education Certificate)
- NITES(Navy Integrated Tactical Environmental System)
- NITF(National Imagery Transmission Format)
- NITFS(National Imagery Transmission Format Standard)
- NITI(Nickel Titanium)
- NITS(Nature, Intentions, Time, Specials)
- NITSA(Northern Ireland Target Sports Association)
- NIU(Niue (ISO 3166 trigram))
- NIV(Nederlands Instituut Voor)
- NIVC(National Interactive Video Centre)
- NIW(New Information Workshop)
- NIWA(Naval Information Warfare Activity)
- NIWG(Network and Infrastructure Working Group)
- NIWS(National Institutes for Water Resources)
- NIX(Nioro Airport)
