Companies starting with N
421,065 records.
- National Institute of Biomedical ResearchGombe, Democratic Republic of the Congo
- National Institute of BiotechnologyBangladesh
- National Institute of Building SciencesUnited States
- National Institute of Burn and Plastic SurgeryBangladesh
- National Institute of Business Studies NIBSDelhi
- National Institute of Cancer Prevention And ResearchNoida
- National Institute of Cancer Research & HospitalBangladesh
- National Institute of Cardiology - Rua das LaranjeirasBrazil
- National Institute of Cardiovascular DiseasesDhaka, Bangladesh
- National Institute of Cardiovascular Diseases (NICVD), Sukkur chapterPakistan
- National Institute of Chemical Physics and Biophysicsresearch, Tallinn, Estonia
- National Institute of Chemical SafetySouth Korea
- National Institute of ChemistrySlovenia
- National Institute of Cinema and Audiovisual ArtsArgentina
- National Institute of Clean and Low-Carbon EnergyPeople's Republic of China
- National Institute of Computer EducationActive, Meerut, India
- National Institute of ConcessionsColombia
- National Institute of CorrectionsUnited States
- National Institute of Criminal ScienceMexico
- National Institute of Crop ScienceSouth Korea
- National Institute of Cryptology Research and DevelopmentIndia
- National Institute of Cultural HeritageEcuador
- National Institute of CultureDissolved, Peru
- National Institute of Dairy FarmingActive, Gujarat, since 2012
- National Institute of Dental and Craniofacial ResearchBethesda, United States
- National Institute of Design, AhmedabadIndia
- National Institute of Design, AssamIndia
- National Institute of Design, HaryanaIndia
- National Institute of Design, Madhya PradeshIndia
- National Institute of Diabetes and Digestive and Kidney DiseasesBethesda, United States
- National Institute of Disaster ManagementDelhi
- National Institute of Disaster ManagementIndia
- National Institute of Disaster Management
- National Institute of Diseases of the Chest and HospitalBangladesh
- National Institute of Dramatic ArtAustralia
- National Institute of Drug Quality ControlVietnam
- National Institute of Ear, Nose and Throat (Bangladesh)Bangladesh
- National Institute of Economic & Social ResearchActive, Smith Square, United Kingdom
- National Institute of Economic and Social Research(incorporated)(the)Active, Research and experimental development on social sciences and humanities, Westminster, United Kingdom
- National Institute of Economic Researchresearch, Stockholm, Sweden
- National Institute of EducationCambodia
- National Institute of Educational Evaluation (Mexico)Mexico
- National Institute of Electric MachinesDissolved, Soviet Union
- National Institute of ElectronicsIslamabad, Pakistan
- National Institute of Electronics & Information Technology, KurukshetraIndia
- National Institute of Electronics and Information TechnologyChandigarh
- National Institute of Engineering, Technology and InnovationPortugal
- National Institute of Environmental Health SciencesUnited States
- National Institute of Environmental ResearchSouth Korea
- National Institute of EpidemiologyChennai
- National Institute of EpidemiologyIndia
- National Institute of Family and Life Advocates
- National Institute of Fashion TechnologyJodhpur
- National Institute of Fashion TechnologyActive, New Delhi, India
- National Institute of Fashion TechnologyIndia
- National Institute of Fashion TechnologyIndia
- National Institute of Fashion Technology Shillong
- National Institute of Fine ArtsTétouan, Morocco
- National Institute of Fire and SafetyActive, Pothina Mallayyapalem, India
- National Institute of Fisheries ScienceSouth Korea
- National Institute of Fitness and Sports in KanoyaJapan
- National Institute of Fittness and Sports in Kanoya Football ClubKanoya, Japan
- National Institute of Food and AgricultureWashington, D.C., United States
- National Institute of Food and Drug Safety EvaluationSouth Korea
- National Institute of Food Technology Entrepreneurship & ManagementUnder liquidation, Chandigarh, since 2007
- National Institute of Food Technology, Entrepreneurship and Management, KundliIndia
- National Institute of Food Technology, Entrepreneurship and Management, ThanjavurIndia
- National Institute of Forensic AccountantsActive, Activities of professional membership organizations, Birmingham, United Kingdom
- National Institute of Forestry EngineeringMorocco
- National Institute of Fundamental StudiesSri Lanka
- National Institute of General Medical SciencesBethesda, United States
- National Institute of GeneticsJapan
- National Institute of Geophysics and VolcanologyRome, Italy
- National Institute of Geophysics, Geodesy and GeographyBulgaria
- National Institute of Geriatrics, Rheumatology and RehabilitationPoland
- National Institute of Grape and Wine "Magarach"winemaking, viticulture, Yalta, Ukraine
- National Institute of Green TechnologySouth Korea
- National Institute of Hardware(the)Active, Other education n.e.c., Birmingham, United Kingdom
- National Institute of HealthIslamabad, Pakistan
- National Institute of HealthBogotá, Colombia
- National Institute of HealthArmenia
- National Institute of Health and Family WelfareIndia
- National Institute of Health and NutritionJapan
- National Institute of Health Dr. Ricardo JorgeLisbon, Portugal
- National Institute of Health of PeruPeru
- National Institute of Health Research (Iran)Iran
- National Institute of Health Research and DevelopmentJakarta, Indonesia
- National Institute of Health SciencesJapan
- National Institute of Historical Studies on the Mexican RevolutionMexico
- National Institute of Horticultural and Herbal ScienceSouth Korea
- National Institute of Human Viral DiseasePergamino, Argentina
- National Institute of Humanitarian and Charitable CauseActive, Quepem, India
- National Institute of Hydraulic Resources of CubaCuba
- National Institute of HydrologyIndia
- National Institute of HygieneMorocco
- National Institute of Hygiene and EpidemiologyVietnam
- National Institute of ImmunologyDelhi
- National Institute of Immunology, IndiaNew Delhi, India
- National Institute of Indian Culture and EducationActive, Maharashtra, since 2005
- National Institute of Indian Medical HeritageIndia
- National Institute of Indigenous PeoplesMexico
- National Institute of Industrial Fire Safety and Disaster ManagementActive, Vadodara, India
- National Institute of Industrial TechnologySan Martín Partido, Argentina
- National Institute of Informaticsresearch, Japan
- National Institute of Information and Communications Technologyresearch, Tokyo, Japan
- National Institute of Ionizing Radiation MetrologyItaly
- National Institute of Japanese LiteratureJapan
- National Institute of JusticeWashington, D.C., United States
- National Institute of JusticeOther education n.e.c., Sofia, Bulgaria
- National Institute of Kathak Dance
- National Institute of Kidney Diseases & UrologyBangladesh
- National Institute of Korean HistorySouth Korea
- National Institute of Laboratory Medicine & Referral CentreBangladesh
- National Institute of Labour Economics Research and DevelopmentIndia
- National Institute of Law Enforcement and Criminal JusticeUnited States
- National Institute of Local GovernmentDhaka
- National Institute of MagistracyRomania
- National Institute of Malaria ResearchDelhi
- National Institute of Malaria ResearchIndia
- National Institute of Management Training and EducationActive, Darbhanga, India
- National Institute of Maritime, Port and Aviation Technologyresearch, Japan
- National Institute of Mass CommunicationBangladesh
- National Institute of Mass Communication and JournalismIndia
- National Institute of Mathematical Sciences and their InteractionsFrance
- National Institute of Mental HealthBethesda, United States
- National Institute of Mental Health and HospitalBangladesh
- National Institute of Mental Health and Neuro-SciencesActive, Bengaluru, India
- National institute of mental health and neurosciencesBangalore
- National Institute of Mental Health and NeurosciencesIndia
- National Institute of Meteorological SciencesSouth Korea
- National Institute of MeteorologyTunis, Tunisia
- National Institute of Meteorology and HydrologyBulgaria
- National Institute of MetrologyFrance
- National Institute of Metrology (Thailand)Thailand
- National Institute of Metrology Standardization and Industrial QualityRio de Janeiro, Brazil
- National Institute of MigrationMexico City, Mexico
- National Institute of Music and DanceWarsaw, Poland
- National Institute of Neurological Disorders and StrokeBethesda, United States
- National Institute of NeurologyTunisia
- National Institute of NeuroscienceBangladesh
- National Institute of NeurosurgeryHungary
- National Institute of Nuclear ResearchMexico
- National Institute of Nursing ResearchBethesda, United States
- National Institute of NutritionDelhi
- National Institute of Nutrition and Food TechnologyTunisia
- National Institute of Nutrition, HyderabadIndia
- National Institute of Occupational Safety and HealthJapan
- National Institute of Ocean TechnologyActive, Chennai, India
- National Institute of Ocean TechnologyChennai, India
- National Institute of OceanographyGoa
- National Institute of OceanographyIndia
- National Institute of OceanographyKarachi, Pakistan
- National Institute of Oceanography and Applied Geophysics - OGSSgonico, Italy
- National Institute of Oceanography and FisheriesEgypt
- National Institute of OncologyHungary
- National Institute of Open SchoolingDelhi
- National Institute of Open SchoolingActive, Noida, India
- National Institute of Open SchoolingNoida, India
- National Institute of Ophthalmology & HospitalBangladesh
- National Institute of Paramedical (Constantine)Algeria
- National Institute of Parasitic DiseasesPeople's Republic of China
- National Institute of Pathogen Biology, CAMS&PUMCPeople's Republic of China
- National Institute of Pediatric Pulmonology and Developmental NeurologyDissolved, Hungary
- National Institute of PediatricsMexico
- National Institute of Perinatología Isidro Espinosa de los ReyesMexico
- National Institute of Personnel ManagementKolkata
- National Institute of Pharmaceutical Education & Research, KolkataIndia
- National Institute of Pharmaceutical Education and ResearchIndia
- National Institute of Pharmaceutical Education and Research, AhmedabadIndia
- National Institute of Pharmaceutical Education and Research, GuwahatiIndia
- National Institute of Pharmaceutical Education and Research, HajipurIndia
- National Institute of Pharmaceutical Education and Research, RaebareliIndia
- National Institute of Pharmaceutical Education and Research, S.A.S. NagarIndia
- National Institute of Pharmaceutical Education ResearchMohali
- National Institute Of Plant Genome ResearchDelhi
- National Institute of Plant Genome Research
- National Institute of Plant Health ManagementHyderabad
- National Institute of Polar ResearchMidori-chō, Japan
- National Institute of Population and Social Security ResearchJapan
- National Institute of Population Research and TrainingDhaka
- National Institute of Prevention and Health EducationLa Plaine Saint-Denis, France
- National Institute of Preventive and Social MedicineBangladesh
- National Institute of Price StabilizationDR-3
- National Institute of Psychiatry and NeurologyDissolved, Hungary
- National Institute of Public AdministrationArgentina
- National Institute of Public AdministrationZambia
- National Institute of Public Administrationcalle de Atocha, Spain
- National Institute of Public AdministrationMalaysia
- National Institute of Public Administration School of Jakartahigher education, Indonesia
- National Institute of Public Cooperation and Child DevelopmentIndia
- National Institute of Public Finance and PolicyActive, New Delhi, India
- National Institute of Public Finance and Policy Employees Gratuity FundActive, New Delhi, India
- National Institute of Public Finance and Policy Provident Fund TrustActive, New Delhi, India
- National Institute of Public HealthSlovenia
- National Institute of Public HealthPrague, Czech Republic
- National Institute of Public Health (Denmark)Denmark
- National Institute of Public Health of JapanJapan
- National Institute of Public Health of KosovaPristina, Kosovo
- National Institute of QualityPeru
- National Institute of Radiological SciencesJapan
- National Institute of RehabilitationMexico
- National Institute of Rehabilitation Training and ResearchIndia
- National Institute of Renewable Natural Resources and EnvironmentBogotá, Colombia
- National Institute of Research and Development for Environment ProtectionRomania
- National Institute of Research and Development for Microbiology and Immunology "Cantacuzino"Romania
- National Institute of Research for Forestry, Agricultural and LivestockMexico
- National Institute of Rural DevelopmentHyderabad
- National Institute of Rural DevelopmentIndia
- National Institute of Rural Development and Panchayati RajActive, Rangareddy, India
- National Institute of Science
- National Institute of Science and TechnologyIndonesia
- National Institute of Science and Technology PolicyJapan
- National Institute of Science Education and ResearchIndia
- National Institute of Science Education and Research BhubaneswarActive, Jatni, India
- National Institute of Science, Technology and Development StudiesIndia
- National Institute of Scientific and Technical ResearchTunisia
- National Institute of Scientific ResearchCanada
- National institute of skill dvelopmentKolkata
- National Institute of Social Sciences
- National Institute of Social SecurityBrasília, Brazil
- National Institute of Solar EnergyIndia
- National Institute of Solar EnergyFrance
- National Institute of Special EducationJapan
- National Institute of Special Educationspecial education, South Korea
- National Institute of Sports of El SalvadorSan Salvador, El Salvador
- National Institute of Standardization and Industrial PropertyTunis, Tunisia
- National Institute of Standards and TechnologyGaithersburg, United States
- National Institute of Statistical SciencesWashington, D.C., United States
- National Institute of Statistics and Applied EconomicsMorocco
- National Institute of Statistics and Census of PanamaPanama City
- National Institute of Teaching and EducationActive, Post-secondary non-tertiary education, Coventry, United Kingdom
- National Institute of Technical Teachers Training and ResearchBhopal
- National Institute of TechnologyJaipur
- National Institute of Technologytechnical testing and analysis, Oslo, Norway
- National Institute of TechnologyIndonesia
- National Institute of Technology and EvaluationNishihara, Japan
- National Institute of Technology and Professional DevelopmentSpain
- National Institute of Technology DelhiDelhi
- National Institute of Technology DelhiIndia
- National institute of technology durgapurKolkata
- National Institute of Technology GoaGoa
- National Institute of Technology HamirpurHamirpur
- National Institute of Technology KarnatakaKarnataka
- National Institute of Technology Kurukshetrakurukshetra
- National Institute of Technology ManipurManipur
- National Institute Of Technology MeghalayaShillong
- National Institute of Technology NagalandIndia
- National Institute of Technology PuducherryPondicherry
- National Institute of Technology SikkimIndia
- National Institute of Technology SilcharSilchar
- National Institute of Technology TiruchirappalliTiruchirappalli
- National Institute of Technology, Andhra PradeshIndia
- National Institute of Technology, LahorePakistan
- National Institute of TelecommunicationsPoland
- National Institute of Textile Engineering and ResearchBangladesh
- National Institute of Transparency, Access to Information, and Protection of Personal DataDissolved, Coyoacán, Mexico
- National Institute of Traumatology and Orthopedic RehabilitationBangladesh
- National Institute of Tuberculosis and Respiratory DiseasesDelhi
- National Institute of Unani MedicineIndia
- National Institute of Urban AffairsDelhi
- National Institute of Urban AffairsActive, New Delhi, India
- National Institute of Value EducationActive, Bengaluru, India
- National Institute of VirologyPakistan
- National Institute of VirologyIndia
- National Institute of Water and Atmospheric ResearchAuckland, New Zealand
- National Institute of Water SportsIndia
- National Institute of Youth (Chile)Santiago, Chile
- National Institute of Youth DevelopmentSavar
- National Institute on Alcohol Abuse and AlcoholismUnited States
- National Institute on Consumer EducationJapan
- National Institute on Deafness and Other Communication DisordersUnited States
- National Institute on Disability, Independent Living, and Rehabilitation ResearchUnited States
- National Institute on Drug AbuseBethesda, United States
- National Institute on Media and the FamilyMinneapolis, United States
- National Institute on Minority Health and Health DisparitiesBethesda, United States
- National Institute on Money in State PoliticsHelena, United States
- National Institute on Retirement SecurityWashington, D.C., United States
- National Institute on the Physics of MaterialsItaly
- National Institutes for Cultural HeritageTokyo National Museum, Japan
- National Institutes for Food and Drug ControlPeople's Republic of China
- National Institutes for Quantum and Radiological Science and Technologyresearch, Japan
- National Institutes for the Humanitiesresearch, Toranomon, Japan
- National Institutes of Applied ResearchDa'an District, Taiwan
- National Institutes of Health Clinical CenterUnited States
- National Institutes of Health Federal Credit UnionActive, Rockville, United States
- National Institutes of Natural Sciences, Japanresearch, Japan
- National Institutes of Science and TechnologyBrazil
- National Institution For Youth EducationNational Olympics Memorial Youth Center, Japan
- National Instruments CorporationActive, information technology, Wilmington, United States
- National Instruments Corporation (UK) LimitedActive, Manufacture of electronic measuring, testing etc. equipment, not for industrial process control, Reading, United
- National Instruments Corporation LucknowLucknow
- National Instruments Gesellschaft m.b.H.Active, Bergheim, Austria
- National Instruments Ireland Resources LimitedActive, Dublin, Ireland
- National Instruments LtdStruck off, West Bengal, since 1957
- National Insulation & Building Contractors LtdActive, Roofing activities, Glasgow, United Kingdom
- National Insulation Association LtdActive, Activities of business and employers membership organizations, Birmingham, United Kingdom
- National Insulation Building Contracts LimitedActive, Roofing activities, Hamilton, United Kingdom
- National Insulation Supplies LtdActive, Agents involved in the sale of timber and building materials, Ingatestone, United Kingdom
- National Insurance AcademyIndia
- National Insurance Agents & Consultants LimitedInactive, Strovolos, Cyprus
- National Insurance and Agricultural Comp Any LimitedDissolved, Kerala, since 1932
- National Insurance AssociationUnited States
- National Insurance Board of Trinidad and TobagoActive, Port Of Spain, Trinidad and Tobago
- National Insurance Brokers Co.Active, Riyadh, Saudi Arabia
- National Insurance Co Ltd Employees Gratuity FundActive, Kolkata, India
- National Insurance Co. Ltd. Employees' Provident FundActive, Kolkata, India
- National Insurance CommissionNigeria
- National Insurance CompanyActive, Ramallah, Palestine
- National Insurance Company
- National Insurance Company (Employees) Pension FundActive, Kolkata, India
- National Insurance Company BerhadActive, Bandar Seri Begawan, Brunei
- National Insurance Company LimitedActive, Kolkata, since 1906
- National Insurance Company LimitedActive, insurance industry, Seething Lane, United Kingdom
- National Insurance Corporationfinancial services, Kampala, Uganda
- National Insurance Employees Co-Operative Credit & Banking Society LimitedActive, Kolkata, India
- National Insurance InstituteCosta Rica
- National Insurance ServiceNorway
- National Integrated Drought Information SystemUnited States
- National Integrated Medical Association
- National Integrated Service for the Administration of Customs Duties and TaxesCaracas, Venezuela
- National Integrated Services LimitedActive, Combined facilities support activities, Barking, United Kingdom
- National Integrated Solutions (United Kingdom)Dissolved, Blackburn, United Kingdom
- National Integrated Solutions LimitedActive, General cleaning of buildings, Manchester, United Kingdom
- National Integration 21Dissolved, South Korea
- National Integration and Social Consciousness Society NiscosActive, Nadbai, India
- National Integration Council
- National Integration Hub LimitedActive, Management consultancy activities other than financial management, Haywards Heath, United Kingdom
- National Integration PartyZapote, Costa Rica
- National Integration PartyColombia
- National Integration PartyPeru
- National Integrity AgencySector 1, Romania
- National Integrity Life Insurance CompanyActive, Cincinnati, United States
- National Integrity Life Insurance Company - Separate Account IActive, Greenwich, United States
- National Integrity PartyGuatemala
- National Intellectual Property Rights Coordination CenterUnited States
- National Intelligence AcademyBucharest, Romania
- National Intelligence AgencyAbuja, Nigeria
- National Intelligence and Security AgencyMogadishu, Somalia
- National Intelligence and Security Agency (Rwanda)Kigali, Rwanda
- National Intelligence and Security ServiceEthiopia
- National Intelligence Coordinating AgencyQuezon City, Philippines
- National Intelligence Coordination Committee
- National Intelligence CouncilUnited States
- National Intelligence Fusion and Threat Assessment Centre
- National Intelligence Organization
- National Intelligence OrganizationAnkara, Turkey
- National Intelligence Security ServiceEthiopia
- National Intelligence ServiceDissolved, Lima, Peru
- National Intelligence Service (Kenya)
- National Intelligence Service of BrazilDissolved, Brazil
- National Intensive LimitedActive, Other retail sale not in stores, stalls or markets, Altrincham, United Kingdom
- National Interagency Fire CenterBoise, United States
- National Intercollegiate Band
- National Interest Party (Nigeria)Nigeria
- National Interest Picture Productions
- National Intergovernmental Purchasing Alliance CompanyActive, Wilmington, United States
- National Intermediates CorporationActive, Ahmedabad, India
- National Internal Stables LimitedActive, Manufacture of metal structures and parts of structures, Chester, United Kingdom
- National International Enterprise Di Marrale ConcettaActive, Torregrotta, Italy
- National Internet Exchange of IndiaActive, Delhi, since 2003
- National Internet Exchange of IndiaNew Delhi, India
- National Interscholastic Cycling AssociationUnited States
- National Interstate Insurance CompanyActive, Cincinnati, United States
- National Intertrade L.P.Active, Douglas, United Kingdom
- National Intramural and Recreational Sports AssociationCorvallis, United States
- National Intrepid Center of ExcellenceUnited States
- National Intruder Alarms LimitedActive, Security systems service activities, Hampshire, United Kingdom
- National Inventors Hall of FameNorth Canton, United States
- National Inventors Hall of Fame, Inc.United States
- National Inventory of Architectural HeritageIreland
- National Inventory Services LtdActive (proposal to strike off), Other service activities n.e.c., London, United Kingdom
- National Investigation AgencyNew Delhi, India
- National Investigation Department of Nepal
- National Investigation Services LtdActive, Other transportation support activities, Birmingham, United Kingdom
- National Investigations Committee On Aerial PhenomenaWashington, D.C., United States
- National Investigations Group LtdActive, Investigation activities, London, United Kingdom
- National Investigative ServiceSofia, Bulgaria
- National Investment and Infrastructure FundActive, Mumbai, India
- National Investment and Infrastructure Fund IiActive, New Delhi, India
- National Investment and Infrastructure Fund LimitedActive, Delhi, since 2015
- National Investment and Infrastructure Fund Trustee LimitedActive, Delhi, since 2015
- National Investment Bankinvestment banking, Cairo, Egypt
- National Investment Bankfinancial services, Accra, Ghana
- National Investment Bank of MongoliaMongolia
- National Investment Co LtdStruck off, West Bengal, since 1933
- National Investment Companyinvestment, Bucharest, Romania
- National Investment Company OsaühingActive, Tallinn, Estonia
- National Investment Management LLCActive, Ulaanbaatar, Mongolia
- National Investment Management Property Services LtdActive (proposal to strike off), Buying and selling of own real estate, Romford, United Kingdom
- National Investment Services of America, LLCActive, Wilmington, United States
- National Investment Services, Inc.Inactive, Milwaukee, United States
- National Investments (S E) LtdActive, Activities of open-ended investment companies, Bromley, United Kingdom
- National Investments and Agencies Privat E LimitedDissolved, Kerala, since 1948
- National Investments Company (DIFC) LimitedActive, Dubai, United Arab Emirates
- National Investments Company K.S.C.Active, Kuwait, Kuwait
- National Investments Company Limited Tanzania
- National Investments Fund Limited
- National Investments Unit TrustActive, Adelaide, Australia
- National Investors Life Assurance Company LimitedLiquidation, United Kingdom
- National Ios Program Venture LLCActive, Wilmington, United States
- National Iranian American CouncilWashington, D.C., United States
- National Iranian Copper Industries Company
- National Iranian Drilling Company
- National Iranian Gas Companygas industry, Tehran, Iran
- National Iranian Oil CompanyActive, since 2009
- National Iranian Oil Companypetroleum industry, Tehran, Iran
- National Iranian Oil Refining and Distribution Companypetroleum industry
- National Iranian Petrochemical Companychemical industry, Tehran, Iran
- National Iranian Radio & TelevisionTehran, Iran
- National Iranian South Oil Companypetroleum industry, Ahvaz
- National Iranian Tanker Companypetroleum industry, water transport, Tehran, Iran
- National Irish Bank Financial Services LtdActive, Dublin, Ireland
- National Iron & Steel Company (1984) Ltd.Active, West Bengal, since 1986
- National Iron and Steel Co LtdStruck off, West Bengal, since 1934
- National Irrigation AuthorityNairobi, Kenya
- National Irrigation Commission
- National Islamic AllianceKuwait City, Kuwait
- National Islamic AllianceKuwait
- National Islamic Movement of AfghanistanAfghanistan
- National Islamic Unity Party of AfghanistanAfghanistan
- National Ispat & Power Private LimitedActive, Odisha, since 2008
- National Issues ForumsUnited States
- National IT Disposal LimitedActive, Other information technology service activities, Manchester, United Kingdom
- National IT Industry Promotion AgencyActive, since 2015
- National IT Industry Promotion AgencyDeoksan, South Korea
- National IT Solutions Private LimitedStruck off, Jammu and Kashmir, since 2012
- National IT Spares Pty LtdActive, Scoresby, Australia
- National Italian American FoundationWashington, D.C., United States
- National Italo-Romanian Cultural and Economic MovementDissolved, Romania
- National Ito Spa HospitalDissolved, Japan
- National Japanese American Historical SocietyUnited States
- National Jet ExpressAdelaide Airport, Australia
- National Jet Express Pty LtdActive, Perth Airport, Australia
- National Jet SystemsAustralia
- National Jewish Assembly LtdActive, Cultural education, London, United Kingdom
- National Jewish Center for Learning and LeadershipNew York City, United States
- National Jewish Democratic CouncilDissolved, Washington, D.C., United States
- National Jewish HealthUnited States
- National Jewish Welfare Board
- National Joint Action CommitteeTrinidad and Tobago
- National Joint Apprenticeship and Training CommitteeUnited States
- National Jointing LtdActive, Electrical installation, Hartlepool, United Kingdom
- National Jointing Services LtdActive, Electrical installation, Hartlepool, United Kingdom
- National Judges CollegePeople's Republic of China
- National Judges' School of UkraineUkraine
- National Judicial AcademyIndia
- National Judicial Council
- National Judicial Council
- National Judicial InstituteAbuja, Nigeria
- National Junior Classical LeagueMiami University
- National Junior Horticultural Association
- National JusticeLima, Peru
- National Justice and Peace NetworkActive, Activities of other membership organizations n.e.c., United Kingdom
- National Justice CouncilBrazil
- National Justice MovementBahrain, Bahrain
- National Justice MuseumActive, Educational support services, Nottingham, United Kingdom
- National Justice Museum Trading LimitedActive, Museums activities, Nottingham, United Kingdom
- National Justice PartyUnited States
- National Justice PartyDissolved, Malaysia
- National Justice ProjectAustralia
- National Jute Manufactures Corporation Limitedtextile industry, Kolkata, India
- National Jute Manufactures Corpration LimitedActive, West Bengal, since 1980
- National Jute Trading Co LtdActive, West Bengal, since 1941
- National Juvenile Defender CenterUnited States
- National K9 MemorialActive, United Kingdom
- National Kannada Education SocietyActive, Mumbai, India
- National Kaohsiung First University of Science and TechnologyTaiwan
- National Kaohsiung Marine UniversityTaiwan
- National Kaohsiung University of Applied SciencesTaiwan
- National Kaohsiung University of Hospitality and TourismTaiwan
- National Kaohsiung University of Science and TechnologyTaiwan
- National Karting Academy LtdActive, Sports and recreation education, Newcastle, United Kingdom
- National Karting LimitedActive, Other sports activities, Newcastle, United Kingdom
- National Khadi StoresActive, Tiruppur, India
- National Kidney and Transplant InstitutePhilippines
- National Kidney FederationActive, Other human health activities, Worksop, United Kingdom
- National Kidney FoundationNew York City, United States
- National Kidney Foundation SingaporeSingapore
- National Kidney RegistryBabylon
- National Kindergarten AssociationUnited States
- National Kinney Corporationreal estate development
- National Kit Buildings LtdActive (proposal to strike off), Retail sale via mail order houses or via Internet, Ludlow, United Kingdom
- National Kitchen & Bath AssociationHackettstown, United States
- National Kitchen & Bedrooms LimitedActive, Other building completion and finishing, Bolton, United Kingdom
- National knowledge center for mental healthcareTrondheim, Norway
- National Knowledge NetworkNew Delhi, India
- National Knowledge Services Private LimitedActive, Gujarat, since 2011
- National Kohnodai Medical CenterJapan
- National Kominkan AssociationJapan
- National Korean American Service & Education ConsortiumUnited States
- National Kpowerlooms, Weaving and Spinni NG Works Ltd.Dissolved, Maharashtra, since 1949
- National Krishi Sewa KendraActive, Indore, India
- National Kurultai
- National Kyrgyzstan AirlinesActive, Bishkek, United Kingdom
- National Labor BoardDissolved, Washington, D.C., United States
- National Labor CollegeDissolved, United States
- National Labor FederationHaifa, Israel
- National Labor PartyDissolved, Canberra, Australia
- National Labor PartyDissolved, Brazil
- National Labor Party (Queensland)Australia