Companies starting with I
354,318 records.
- Institute of Ocean EnergySaga, Japan
- Institute of Ocean SciencesCanada
- Institute of Oceanic Research and Development, Tokai UniverstityJapan
- Institute of OceanographyVietnam
- Institute of Oceanography and FisheriesCroatia
- Institute of OceanologyBulgaria
- Institute of Oceanology, Chinese Academy of SciencesPeople's Republic of China
- Institute of Oceanology, Polish Academy of SciencesPoland
- Institute of Oil TransportationKyiv
- Institute of Oilseeds of NAAS of UkraineUkraine
- Institute of Oncology LjubljanaSlovenia
- Institute of Operational RiskActive, Activities of professional membership organizations, London, United Kingdom
- Institute of Ophthalmology LimitedActive, Dormant Company, London, United Kingdom
- Institute of Optics and ElectronicsPeople's Republic of China
- Institute of Organic ChemistrySoviet Union
- Institute of Organic Chemistry, Polish Academy of Sciences44-52 Kasprzaka Street in Warsaw, Poland
- Institute of Oriental LanguagesRussia
- Institute of Oriental Studies of Academy of Sciences of AzerbaijanBaku, Azerbaijan
- Institute of Oriental Studies of ArmeniaArmenia
- Institute of Oriental Studies of Jagiellonian UniversityPoland
- Institute of Oriental Studies of the Russian Academy of SciencesMoscow, Soviet Union
- Institute of Orphan & Distressed Welfare SocietyActive, West Bengal, since 1999
- Institute of Orthopaedic Manual Therapy Private LimitedStruck off, Telangana, since 2015
- Institute of Orthopedics and TraumatologyBrazil
- Institute of Our Lady of MercyActive, Leeds, United Kingdom
- Institute of Our Lady of Mercy CioActive, United Kingdom
- Institute of Pacific RelationsDissolved, Honolulu, United States
- Institute of Packaging (The)Active, Non-trading company, London, United Kingdom
- Institute of Packaging Machinery Manufacturers of IndiaActive, Maharashtra, since 2000
- Institute of Parahikma AisyiyahIndonesia
- Institute of ParalegalsActive, Other information service activities n.e.c., London, United Kingdom
- Institute of Paramedical Science and TechnologyHaldia
- Institute of Parasitology of the Czech Academy of SciencesCzech Republic
- Institute of Particle and Nuclear StudiesJapan
- Institute of Particle PhysicsCanada
- Institute of Party History of the Central Committee of the Communist Party of EstoniaEstonia
- Institute of Party History under the Central Committee of the Communist Party of AzerbaijanDissolved, Baku
- Institute of Patent AgentsActive, United Kingdom
- Institute of Patentees & InventorsActive, United Kingdom
- Institute of Patentees & InventorsActive, Activities of professional membership organizations, Tadcaster, United Kingdom
- Institute of Pathological Processes Simulation and Analysis TNMUUkraine
- Institute of Pathology, Faculty of MedicineSlovenia
- Institute of Payroll ProfessionalsActive, Post-graduate level higher education, Solihull, United Kingdom
- Institute of Peace and Conflict StudiesNew Delhi, India
- Institute of Pediatric Hematology and OncologyFrance
- Institute of Peoples Welfare NagpurActive, Nagpur, India
- Institute of Perception StudiesActive, Delhi, since 2017
- Institute of Personality Stress Spirituality Research Private LimitedActive, Delhi, since 2003
- Institute of Petrochemical Processes of AzerbaijanAzerbaijan
- Institute of Petroleum and Technical Studies Private LimitedActive, Kerala, since 2016
- Institute of Pharmaceutical & Healthcare Management and ReseActive, West Bengal, since 2005
- Institute of Pharmaceutical Education and Research (Pune) Private LimitedActive, Maharashtra, since 1997
- Institute of PharmacologyPrague, Czech Republic
- Institute of Pharmacology and Structural BiologyToulouse, France
- Institute of Pharmacology Russian Academy of Medical SciencesRussia
- Institute of Pharmacology, Genetics and Medical Biochemistry of Ternopil State Medical UniversityUkraine
- Institute of Pharmacology, Polish Academy of SciencesPoland
- Institute of Pharmacy and Molecular BiotechnologyHeidelberg, Germany
- Institute of Pharmacy Management International Limited (The)Active, Activities of professional membership organizations, Cranbrook, United Kingdom
- Institute of Philanthropy LimitedActive, Hong Kong, Hong Kong
- Institute of Philippine Culture
- Institute of Philology and Journalism of Ivan Franko State UniversityUkraine
- Institute of Philology of the Siberian Branch of the RASRussia
- Institute of PhilosophyRussia
- Institute of PhilosophyCroatia
- Institute of PhilosophyPeople's Republic of China
- Institute of Philosophy and Sociology of the Polish Academy of SciencesPoland
- Institute of Philosophy and Theology of the Society of JesusCroatia
- Institute of Philosophy of the Jagiellonian UniversityPoland
- Institute of Philosophy of the National Academy of Sciences of BelarusBelarus
- Institute of Philosophy, Czech Academy of SciencesPrague, Czech Republic
- Institute of Philosophy, KU LeuvenBelgium
- Institute of Philosophy, Sociology and Law of National Academy of Sciences of ArmeniaArmenia
- Institute of Philosophy, University of LondonUnited Kingdom
- Institute of Phonetics and Speech Processing of the Ludwig-Maximilians-Universität MunichGermany
- Institute of Photogrammetry and GeoInformation
- Institute of Photonics and Electronics of the Czech Academy of Sciencesresearch, Czech Republic
- Institute of Physical and Information Technologies Leonardo Torres QuevedoSpain
- Institute of Physical and Organic ChemistryBelarus
- Institute of Physical ChemistryUkraine
- Institute of Physical Chemistry Blas CabreraEdificio Rockefeller, Spain
- Institute of PhysicsAzerbaijan
- Institute of PhysicsSlovakia
- Institute of PhysicsFrance
- Institute of PhysicsVietnam
- Institute of Physics (Iop) Educational FoundationActive, Maharashtra, since 2018
- Institute of Physics and Engineering in MedicineActive, Book publishing, York, United Kingdom
- Institute of Physics and Engineering in Medicinehigher education, United Kingdom
- Institute of Physics and Mathematics of the Academy of Sciences of the BSSRDissolved, Soviet Union
- Institute of Physics and Power Engineering JSCRussia
- Institute of Physics and TechnologyKazakhstan
- Institute of Physics BhubaneswarBhubaneswar
- Institute of Physics for Advanced Materials, Nanotechnology and PhotonicsPortugal
- Institute of Physics in ZagrebCroatia
- Institute of Physics NAS of UkraineUkraine
- Institute of Physics of Buenos AiresArgentina
- Institute of Physics of Materialsresearch, Brno, Czech Republic
- Institute of physics of the University of Pavol Jozef ŠafárikSlovakia
- Institute of Physics(the)Active, higher education, United Kingdom
- Institute of Physics, Academia SinicaTaiwan
- Institute of Physics, BhubaneswarIndia
- Institute of Physics, Chinese Academy of SciencesPeople's Republic of China
- Institute of Physics, Polish Academy of SciencesPAST, Poland
- Institute of PhysiologyAzerbaijan
- Institute of Physiology of the Czech Academy of Sciencesresearch, Czech Republic
- Institute of physiology of the National Academy of Sciences of BelarusBelarus
- Institute of Planners and Designers India Private LimitedActive, Maharashtra, since 2019
- Institute of Plant Biology and BiotechnologyKazakhstan
- Institute of Plant Molecular BiologyCzech Republic
- Institute of Plant Physiology and Genetics NAS of UkraineKyiv, Ukraine
- Institute of Plant Physiology, Polish Academy of SciencesPoland
- Institute of Plant ProtectionPeople's Republic of China
- Institute of Plant ProtectionPoland
- Institute of plant protection of the National Academy of Agricultural Sciences of UkraineUkraine
- Institute of Plant Science and ResourcesJapan
- Institute of Plantation Management of in DiaStruck off, West Bengal, since 1990
- Institute of Plasma Physics and Laser MicrofusionWarsaw, Poland
- Institute of Plasma Physics of the Czech Academy of Sciencesresearch, Prague, Czech Republic
- Institute of PlayDissolved, New York City, United States
- Institute of Polar SciencesItaly
- Institute of Policy StudiesIslamabad, Pakistan
- Institute of Political and International Studies, IranIran
- Institute of Political Economy and Governance (IPEG)Active, Barcelona, Spain
- Institute of Political HistoryHungary
- Institute of Political Science of SASSlovakia
- Institute of Political Studies, Polish Academy of SciencesPoland
- Institute of Polymer and Dye Technology of Lodz University of TechnologyPoland
- Institute of Polymer Chemistry and PhysicsUzbekistan
- Institute of Population and Labor EconomicsPeople's Republic of China
- Institute of Postgraduate Education and Pre-University Training of the University of Lviv
- Institute of Postgraduate Education of the National Academy of Cultural ManagersUkraine
- Institute of Power EngineeringPoland
- Institute of Power Engineeringservice sector, research and development, research, Belarus
- Institute of Practical and Professional Accountants Private LimitedActive, Jharkhand, since 2011
- Institute of Practitioners in Advertisingadvertising, business and professional associations, unions, United Kingdom
- Institute of Pre-Engineering Coaching Eduserv Private Limited (OPC)Active, Jharkhand, since 2015
- Institute of Precision MechanicsPoland
- Institute of Precision Mechanics and ControlRussia
- Institute of Predictive and Personalized Medicine of CancerSpain
- Institute of Primary Health TrainingActive, West Bengal, since 2021
- Institute of Process EngineeringPeople's Republic of China
- Institute of Product Leadership Private LimitedActive, Bengaluru, since 2012
- Institute of Professional Development LimitedActive, Other education n.e.c., Hyde, United Kingdom
- Institute of Professional Editors Limited
- Institute of Professional Facilities Management Services Private LimitedStruck off, Delhi, since 2015
- Institute of Professional Financial ManagersActive, Activities of professional membership organizations, London, United Kingdom
- Institute of Professional Financial ManagersLondon
- Institute of Professional Investigators Limited(the)Active, Activities of professional membership organizations, Beckenham, United Kingdom
- Institute of Professional Learning Private LimitedActive, Rajasthan, since 2013
- Institute of Professional Representatives before the European Patent Office
- Institute of Professional Services Educa Tion and Training LimitedStruck off, Delhi, since 2002
- Institute of Professional Skills Development (India) Private LimitedStruck off, Maharashtra, since 2011
- Institute of Professional SoundHampshire
- Institute of Project Management CertificationActive, Delhi, since 2008
- Institute of Psychiatry and Neurology in WarsawPoland
- Institute of Psychiatry, Psychology and NeuroscienceLondon, United Kingdom
- Institute of PsychologyPeople's Republic of China
- Institute of PsychologyBrno, Czech Republic
- Institute of PsychologyItaly
- Institute of Psychology, Polish Academy of SciencesPoland
- Institute of Public Accountants LtdActive, Melbourne, Australia
- Institute of Public Administration (Ireland)Ireland
- Institute of Public Administration (Saudi Arabia)Riyadh, Saudi Arabia
- Institute of Public Administration AustraliaAustralia
- Institute of Public Administration New Zealand
- Institute of Public Affairs of the University of ChileChile
- Institute of Public Affairs, PolandWarsaw, Poland
- Institute of Public EnterpriseHyderabad
- Institute of Public EnterpriseIndia
- Institute of Public EnterprisesActive, Hyderabad, India
- Institute of Public HealthIreland
- Institute of Public HealthBangladesh
- Institute of Public Health Bengaluru
- Institute of Public Health of North MacedoniaSkopje, North Macedonia
- Institute of Public Health of the Faculty of Health Sciences of the Jagiellonian University Collegium MedicumPoland
- Institute of Public Health-Care and Diagnostic Sciences Private LimitedActive, Delhi, since 1994
- Institute of Public Loss Assessors LimitedActive, Activities of professional membership organizations, Chesham, United Kingdom
- Institute of Public Sector ManagementActive, Activities of professional membership organizations, Bromley, United Kingdom
- Institute of PublishingActive, Other publishing activities, London, United Kingdom
- Institute of Puerto Rican CultureSan Juan, United States
- Institute of Pulse Processes and Technologies of the National Academy of Sciences of UkraineMykolaiv, Ukraine
- Institute of Quality and Environment Man Agement Services Private Limited.Struck off, Odisha, since 2001
- Institute of Quality Private LimitedAmalgamated, Delhi, since 1993
- Institute of Quality Studies Private LimitedActive, Delhi, since 2012
- Institute of Quarrying
- Institute of Quarrying(the)Active, Activities of professional membership organizations, Matlock, United Kingdom
- Institute of Race Relations(the)Active, Other education n.e.c., London, United Kingdom
- Institute of Radiation ProblemsSoviet Union
- Institute of Radiation Safety FederationActive, Delhi, since 2018
- Institute of Radio Astronomy of the National Academy of Sciences of UkraineUkraine
- Institute of Radio EngineersUnited States
- Institute of Radioelectronics and Multimedia Technology, Warsaw University of TechnologyPoland
- Institute of Radiophysics & Electronics of National Academy of Sciences of ArmeniaArmenia
- Institute of Radiotherapy and Nuclear MedicinePakistan
- Institute of Reactor MaterialsRussia
- Institute of Real Estate ManagementChicago, United States
- Institute of Real Estate Management of the National Associationof RealtorsActive, Chicago, United States
- Institute of Recovery From Childhood Trauma (Irct)Active, United Kingdom
- Institute of Red ProfessorsMoscow, Soviet Union
- Institute of RefrigerationCarshalton, United Kingdom
- Institute of Regional Geology and Palaeontology
- Institute of Regional Research of Silesian LibraryPoland
- Institute of Registries and Notary
- Institute of RegulationActive, Activities of professional membership organizations, London, United Kingdom
- Institute of rehabilitation medicine and bathingUkraine
- Institute of Reproductive Solution LLPActive, West Bengal
- Institute of Research and DesignEstonia
- Institute of Research and Development, Tokai UniversityDissolved
- Institute of Research and Innovation Parc TauliSpain
- Institute of Research Engineers & Doctors Private LimitedActive, Punjab, since 2011
- Institute of Research in Organic FarmingActive, West Bengal, since 2013
- Institute of Research Technology and Management Private LimitedActive, Maharashtra, since 2011
- Institute of Retail & Fashion Studies (India) Private LimitedStruck off, Maharashtra, since 2008
- Institute of Retail and Consultancy Services Private LimitedStruck off, Delhi, since 2011
- Institute of Retail Distribution ManagementActive, Other education n.e.c., Blackpool, United Kingdom
- Institute of Retail Management Private L ImitedStruck off, Madhya Pradesh, since 2007
- Institute of Rising Stars Private LimitedActive, Delhi, since 2017
- Institute of Risk ManagementActive, Post-graduate level higher education, London, United Kingdom
- Institute of Risk Management India AffiliateMumbai
- Institute of Road Transport Engineers(the)Active, Activities of professional membership organizations, United Kingdom
- Institute of Robotic Process Automation & Artificial Intelligence ForumActive, Tamil Nadu, since 2018
- Institute of RoboticsBulgaria
- Institute of Robotics and Intelligent Systemsrobotics, Zurich, Switzerland
- Institute of Rock and Soil MechanicsPeople's Republic of China
- Institute of Rock Structure and MechanicsCzech Republic
- Institute of Romance Philology (Poznań University)Poland
- Institute of Romance Philology of Jagiellonian UniversityPoland
- Institute of Rural Credit Enterpreneurship DevelopmentActive, Sangli, India
- Institute of Russian Language and Culture, Moscow State UniversityRussia
- Institute of Sales ManagementLiquidation, Other business support service activities n.e.c., London, United Kingdom
- Institute of Satellite Telecom Private LimitedActive, Maharashtra, since 2004
- Institute of Saxon History and Cultural Anthropologyresearch, Germany
- Institute of School Business LeadershipActive, Educational support services, Leamington Spa, United Kingdom
- Institute of Science and TechnologyJapan
- Institute of Science and Technology AustriaActive, Klosterneuburg, Austria
- Institute of Science and Technology AustriaAustria
- Institute of Science and Technology, Nepal
- Institute of Science and Technology, UK
- Institute Of Science Of Cultural HistoryJapan
- Institute of Science Tokyo HospitalJapan
- Institute of Sciences of Food ProductionItaly
- Institute of Scientific and Technical Communicators(the)Active, Activities of professional membership organizations, Peterborough, United Kingdom
- Institute of Scientific and Technical InformationFrance
- Institute of Scientific and Technical Information of ChinaPeople's Republic of China
- Institute of Scientific AtheismSoviet Union
- Institute of Scientific Education and Learning Private LimitedActive, West Bengal, since 2011
- Institute of Scientific Information on Social SciencesRussia
- Institute of Scientific Instruments of the Czech Academy of Sciencesresearch, Brno, Czech Republic
- Institute of Scrap Recycling Industriesbusiness and professional associations, unions, Washington, D.C.
- Institute of Scriptures and Manuscripts
- Institute of Seamanship Community Interest CompanyActive, Non-trading company, Edgware, United Kingdom
- Institute of Search and Technical RescueActive, Activities of professional membership organizations, Horsham, United Kingdom
- Institute of Secretariat Training and ManagementIndia
- Institute of Security and Fire TechnologyActive, Maharashtra, since 2001
- Institute of SeismologyUzbekistan
- Institute of SeismologyAlmaty, Kazakhstan
- Institute of Semiconductor PhysicsUkraine
- Institute of SemiconductorsPeople's Republic of China
- Institute of Semitic StudiesPrinceton, United States
- Institute of Sensory OrgansPoland
- Institute of Service and Entrepreneurship of DGTURussia
- Institute of Sex and Health Education PR Ivate LimitedStruck off, Karnataka, since 2000
- Institute of Shipping Economics and Logisticsadvancement of science and research, Bremen, Germany
- Institute of Sigma Learning Pvt LtdActive, Delhi, since 2001
- Institute of Sigma Learning Pvt LtdActive, Telangana, since 2001
- Institute of Silicate Chemistry named after IV GrebenshchikovRussia
- Institute of SindhologyJamshoro, Pakistan
- Institute of Singapore Chartered Accountants Pte. Ltd.Active, Singapore, Singapore
- Institute of Skill Connect Private LimitedStruck off, Punjab, since 2014
- Institute of Skill Development and Training Private LimitedActive, Maharashtra, since 2009
- Institute of Skill Development by FreonllpActive, Haryana
- Institute of Skill Reform Private LimitedActive, West Bengal, since 2026
- Institute of Skill Technology AssociationActive, Tamil Nadu, since 2025
- Institute of Skillmastery LLPActive, since 2026
- Institute of Skillsand Knowledgeimprovement for Life and Li and Livelihoodprivate LimitedActive, Delhi, since 2016
- Institute of Slavic Studies of the Russian Academy of SciencesRussia
- Institute of Slavic Studies, Polish Academy of SciencesPoland
- Institute of Slavonic Studies of the Academy of Sciences of the Czech Republicresearch, Prague, Czech Republic
- Institute of Slovak LiteratureBratislava, Slovakia
- Institute of Small Business ManagementActive, Educational support services, London, United Kingdom
- Institute of Social and Economic Research, Osaka University
- Institute of Social and Policy SciencesIslamabad, India
- Institute of Social and Political Science JakartaIndonesia
- Institute of Social Auditors of IndiaActive, Maharashtra, since 2022
- Institute of Social Effort of the Armed ForcesArgentina
- Institute of Social Reform and Technology FoundationActive, West Bengal, since 2026
- Institute of Social Science, The University of TokyoJapan
- Institute of Social SciencesSerbia
- Institute of Social Sciences Ivo PilarCroatia
- Institute of Social Sciences of the CC of the CPSUSoviet Union
- Institute of Social Sciences, Tokai UniversityDissolved
- Institute of Social Welfare & ResearchActive, West Bengal, since 1998
- Institute of Social Welfare and ResearchBangladesh
- Institute of socio-economic and political researchesPyatnitskaya Street, Russia
- Institute of SociologyBeijing, People's Republic of China
- Institute of SociologyPrague, Czech Republic
- Institute of Sociology of the National Academy of Sciences of BelarusBelarus
- Institute of Soft Skills India Training Private LimitedActive, Telangana, since 2016
- Institute of Software SystemsUkraine
- Institute of Software Technology Private LimitedStruck off, Tamil Nadu, since 1999
- Institute of Software, Chinese Academy of SciencesPeople's Republic of China
- Institute of Soil Biology and BiogeochemistryCzech Republic
- Institute of Soil Science and Plant CultivationPoland
- Institute of Solid State PhysicsPeople's Republic of China
- Institute of Solid State PhysicsBulgaria
- Institute of Solid State Physics, University of LatviaLatvia
- Institute of Sound and Vibration Private LimitedAmalgamated, Tamil Nadu, since 1989
- Institute of Sound and Vibration ResearchUnited Kingdom
- Institute of Sound and Vibro Private LimitedActive, Uttar Pradesh, since 2025
- Institute of Southern Punjab MultanPakistan
- Institute of Space and Planetary AstrophysicsPakistan
- Institute of Space Astrophysics and Cosmic Physics in MilanItaly
- Institute of Space Astrophysics and Cosmic Physics in PalermoItaly
- Institute of space propulsionGermany
- Institute of Space Studies of CataloniaSpain
- Institute of Space TechnologyPakistan
- Institute of Space, its Applications and TechnologiesToulouse, France
- Institute of Spanish Studies India Private LimitedActive, Karnataka, since 2017
- Institute of Specialist Surveyors and EngineersActive, Other research and experimental development on natural sciences and engineering, Sheffield, United Kingdom
- Institute of Spiritual and Cultural Heritage of the Albanians - SkopjeNorth Macedonia
- Institute of Sports Medicine and ScienceJapan
- Institute of Sports Private LimitedActive, Maharashtra, since 2008
- Institute of ST. Anselm(the)Active, Other education n.e.c., Margate, United Kingdom
- Institute of State and LawPrague, Czech Republic
- Institute of State and LawRussia
- Institute of SteppeRussia
- Institute of Stone and SilicatesDissolved, Soviet Union
- Institute of Strategic and International StudiesMalaysia
- Institute of Strategic Management and Creative InitiativesActive, Karnataka, since 2026
- Institute of Strategic Management Privat E LimitedStruck off, Maharashtra, since 1996
- Institute of Strategic Risk Management LimitedActive, Other education n.e.c., London, United Kingdom
- Institute of Structural BiologyFrance
- Institute of Structure Design Private LimitedStruck off, Delhi, since 2015
- Institute of Student EmployersActive, Activities of business and employers membership organizations, London, United Kingdom
- Institute of Success India Private LimitedActive, West Bengal, since 2019
- Institute of Supply Chain and Management Private LimitedActive, Maharashtra, since 2012
- Institute of Swami Vivekananda for Social Welfare FoundationActive, Assam, since 2021
- Institute of Swimming LimitedActive, Activities of professional membership organizations, Loughborough, United Kingdom
- Institute of Swimming Pool Engineers Limited(the)Active, Activities of professional membership organizations, Wombourne, United Kingdom
- Institute of Synthetic Polymeric MaterialsRussia
- Institute of System Researches in Agroindustrial Complex of of the National Academy of Sciences of Belarusresearch and development, research, Belarus
- Institute of Systematic Studies Private LimitedStruck off, Jammu and Kashmir, since 2012
- Institute of Systematics and Ecology of AnimalsRussia
- Institute of Systematics and Evolution of Animals, Polish Academy of SciencesPoland
- Institute of Systems ScienceSingapore
- Institute of Systems, Information Technologies and NanotechnologiesJapan
- Institute of Taiwan StudiesPeople's Republic of China
- Institute of Talent Development Private LimitedStruck off, Tamil Nadu, since 2008
- Institute of Tax Consultants in Israeltax, Tel Aviv, Israel
- Institute of Taxation(the)Active, Dormant Company, London, United Kingdom
- Institute of Teacher Education (Ite) Private LimitedStruck off, Delhi, since 2002
- Institute of Teacher Education International Languages CampusMalaysia
- Institute of Teacher Education Malay Women CampusMalaysia
- Institute of Teacher Education, Ipoh CampusMalaysia
- Institute of Teacher Education, Perlis CampusMalaysia
- Institute of Teacher Education, Sultan Mizan CampusMalaysia
- Institute of Technical AcousticsBelarus
- Institute of Technical and Professional Education for Research Private LimitedStruck off, Madhya Pradesh, since 2014
- Institute of Technical EducationSingapore
- Institute of Technical Education and Project Management Private LimitedStruck off, Bihar, since 2010
- Institute of Technical MechanicsDnipro, Ukraine
- Institute of Technical Problems of Magnetism
- Institute of Technical Sciences of SASASerbia
- Institute of Technical Textiles Private LimitedActive, Haryana, since 2023
- Institute of TechnologistsGyōda-shi, Japan
- Institute of TechnologyLuxembourg
- Institute of Technology & Management, Gorakhpur
- Institute of Technology and Businessresearch, České Budějovice, Czech Republic
- Institute of Technology and Business STIKOM BaliIndonesia
- Institute of Technology and Life SciencesPoland
- Institute of Technology and Management SocietyActive, Dehradun, India
- Institute of Technology Budi UtomoIndonesia
- Institute of Technology IndonesiaIndonesia
- Institute of Technology of CambodiaPhnom Penh, Cambodia
- Institute Of Technology Of MetalsBelarus
- Institute of Technology, BlanchardstownDissolved, Ireland
- Institute of Technology, CarlowIreland
- Institute of Technology, SligoSligo, Ireland
- Institute of Technology, TraleeIreland
- Institute of Telecommunications and Informatics of TurkmenistanDissolved, Turkmenistan
- Institute of Telecommunications Professionals
- Institute of Telecommunications, Radioelectronics and Electronic Engineering at Lviv Polytechnic National UniversityUkraine
- Institute of Testing and Certification India Private LimitedActive, Chandigarh, since 2009
- Institute of Textile Technology and Process EngineeringGermany
- Institute of the American MusicalLos Angeles, United States
- Institute of the Blessed Virgin Mary Commonly Called the Sisters of LoretoActive, Altrincham, United Kingdom
- Institute of the Blessed Virgin Mary Commonly Called the Sisters of LoretoActive, Altrincham, United Kingdom
- Institute of the Brothers of the Christian SchoolsRome, France
- Institute of the Caucasus StudiesDissolved, Azerbaijan
- Institute of the Czech LanguagePrague, Czech Republic
- Institute of the Earth's CrustRussia
- Institute of the Estonian Languageresearch, Tallinn, Estonia
- Institute of the History of Christianity in KoreaSouth Korea
- Institute of the History of KosovoKosovo
- Institute of the History of UkraineUkraine
- Institute of the HorseActive, Sports and recreation education, Kenilworth, United Kingdom
- Institute of the Human BrainRussia
- Institute of the Italian Encyclopaediapublishing, Rome, Italy
- Institute of the Lithuanian LanguageLithuania
- Institute of the Maids of the PoorAnand Bhawan School
- Institute of the Malay World and CivilizationMalaysia
- Institute of the Motor IndustryUnited Kingdom
- Institute of the Motor Industry(the)Active, Other professional, scientific and technical activities n.e.c., Hertford, United Kingdom
- Institute of the National Housing Fund for WorkersMexico
- Institute of the Pennsylvania HospitalUnited States
- Institute of the People of the NorthRussia
- Institute of the Polish LanguageKraków, Poland
- Institute of the Polish Mother's Health Center in ŁódźPoland
- Institute of the Presentation BrothersActive, London, United Kingdom
- Institute of the Regions of EuropeSalzburg
- Institute Of The Religious Of The Sacred Heart Of Mary Immaculate VirginActive, London, United Kingdom
- Institute of the Right of Peace and Development - IDPDFrance
- Institute of the Sea of PeruPeru
- Institute of the Slavic WorldJapan
- Institute of Theology and International RelationsMakhachkala
- Institute of Theology of the Estonian Evangelical Lutheran ChurchTallinn, Estonia
- Institute of Theoretical and Applied MechanicsCzech Republic
- Institute of Theoretical and Experimental PhysicsMoscow, Russia
- Institute of Theoretical Astronomy of the Russian Academy of SciencesSoviet Union
- Institute of Theoretical AstrophysicsNorway
- Institute of Theoretical GeophysicsUnited Kingdom
- Institute of Theoretical PhysicsPeople's Republic of China
- Institute of Theoretical Physics of the State University of São PauloBrazil
- Institute of Theory and History of Fine ArtsPrechistenka Street, Soviet Union
- Institute of Thermal and Atomic Energy ProductionRussia
- Institute of ThermomechanicsPrague, Czech Republic
- Institute of Tibetan Plateau ResearchPeople's Republic of China
- Institute of Tourism of the Federation of Trade Unions of UkraineUkraine
- Institute of Town Planners IndiaActive, Delhi, since 1952
- Institute of Toxzcology (India) LimitedStruck off, Maharashtra, since 1990
- Institute of Trading and Business Management Private LimitedActive, Maharashtra, since 2023
- Institute of Traditional Medicine ServicesBhutan
- Institute of Training and Development(the)Active, Non-trading company, United Kingdom
- Institute of Training and Occupational Learning LimitedActive, Activities of professional membership organizations, Liverpool, United Kingdom
- Institute of Training for Knits and TextileActive, Delhi, since 2015
- Institute of Training Pty LtdActive, Bankstown, Australia
- Institute of Translation & InterpretingUnited Kingdom
- Institute of Translation and InterpretingActive, Activities of professional membership organizations, Milton Keynes, United Kingdom
- Institute of Translational Health Science Private LimitedActive, Chhattisgarh, since 2026
- Institute of Transport AdministrationActive, United Kingdom
- Institute of Transport AdministrationUnited Kingdom
- Institute of Transport and Maritime Management AntwerpBelgium
- Institute of Transport Economicstransport economics, research, Oslo, Norway
- Institute of Transport Research Private LimitedActive, Uttar Pradesh, since 2025
- Institute of Transportation and Logistic TrisaktiIndonesia
- Institute of Transportation StudiesUnited States
- Institute of Transportation, MOTCSongshan District, Taiwan
- Institute of traumatology and orthopedy
- Institute of Travel and Marketing Manage Ment Private LtdStruck off, West Bengal, since 1996
- Institute of Travel and Tourism(the)Active, Activities of professional membership organizations, Waltham Cross, United Kingdom
- Institute of Tropical MedicineBrazil
- Institute of Tropical Medicine and International Health, BerlinGermany
- Institute of Tropical Medicine, Nagasaki UniversityJapan
- Institute of Tuberculosis and Lung Diseases in WarsawPoland
- Institute of Ukrainian ArcheographyKyiv, Soviet Union
- Institute of Ukrainian Scientific LanguageDissolved, Soviet Union
- Institute of Universal Charity UKActive, United Kingdom
- Institute of Urban and Regional DevelopmentPoland
- Institute of Urban and Regional PlanningFrance
- Institute of Urban EnvironmentPeople's Republic of China
- Institute of Urban Farming and Sustainability Private LimitedActive, Haryana, since 2026
- Institute of Urban HistorySweden
- Institute of Urgent and Reconstructive SurgeryUkraine
- Institute of Urology and Research Centre Private LimitedActive, Maharashtra, since 1995
- Institute of Uzbek Language, Literature and FolkloreSoviet Union
- Institute of Vedic Astrology LLPActive, Madhya Pradesh, since 2018
- Institute of Vedic Astrology Private LimitedActive, Madhya Pradesh, since 2023
- Institute of Vegetables and FlowersPeople's Republic of China
- Institute of Vehicle ConceptsGermany
- Institute of Vehicle Recovery(the)Active, Activities of professional membership organizations, Bourne End, United Kingdom
- Institute of Vertebrate Biologyresearch, Brno, Czech Republic
- Institute of Vertebrate Paleontology and PaleoanthropologyBeijing, People's Republic of China
- Institute of Veterinary Medicine, South Ural State Agrarian UniversityTroitsk, Russia
- Institute of Veterinary Ophthalmology Private LimitedActive, Maharashtra, since 2020
- Institute of VideographyActive, Activities of professional membership organizations, Harlow, United Kingdom
- Institute of Viral Vaccines Pvt LtdStruck off, Kerala, since 1981
- Institute of Virology, Vaccines and Sera “Torlak”Serbia
- Institute of Virus PreparationsSoviet Union
- Institute of Viticulture and WinemakingUkraine
- Institute of Vocational Education & Skill Development CouncilActive, Gujarat, since 2026
- Institute of Vocational Training & Business SolutionsActive, Maharashtra, since 2010
- Institute of Wastes ManagementActive, Non-trading company, Northampton, United Kingdom
- Institute of Watch Internet Network
- Institute of WaterActive, Other professional, scientific and technical activities n.e.c., Trading Est, Gateshead, United Kingdom
- Institute of Water ModelingDhaka
- Institute of Water Problems and Hydro-Engineering Named After I.V. YeghiazarovArmenia
- Institute of Water Research (Verbania)Italy
- Institute of Welding and Testing Technology (OPC) Private LimitedActive, Maharashtra, since 2023
- Institute of Wellbeing LimitedActive, Other human health activities, Croydon, United Kingdom
- Institute of Welsh AffairsActive, Activities of other membership organizations n.e.c., Cardiff, United Kingdom
- Institute of Welsh AffairsUnited Kingdom
- Institute of Women Directors of India Private LimitedStruck off, Tamil Nadu, since 2013
- Institute of Wood ScienceUnited Kingdom
- Institute of Wood Science and TechnologyIndia
- Institute of Workplace & Facilities Management FoundationActive, Activities of professional membership organizations, London, United Kingdom
- Institute of Workplace and Facilities ManagementActive, Activities of professional membership organizations, London, United Kingdom
- Institute of World AffairsGeneva
- Institute of World CivilizationsRussia
- Institute of World Economics and PoliticsPeople's Republic of China
- Institute of World Economy and International RelationsRussia