| Subject | English | Thesaurus |
| Nasdaq, abbr. | Affinity International Travel Systems | AFFT |
| abbr., scottish | Ahmed International Equipment Co. Pvt Ltd | AIECO (Pakistan) |
| Nasdaq, abbr. | American International Group, Inc. Options | WAPAT |
| Nasdaq, abbr. | American International Group, Inc. Options | WAPAN |
| Nasdaq, abbr. | American International Group, Inc. Options | WAPAL |
| Nasdaq, abbr. | American International Group, Inc. Options | WAPAR |
| st.exch., abbr. | American International Group, Inc. options | ZPW |
| abbr. | American International Insurance Co. | AII |
| railw., abbr. | American International Rail Services LLC | AIRX |
| busin., abbr. | Australian International Moving Services | AIMS |
| abbr., scottish | Aviation Services International Benelux BV | ASI (Netherlands) |
| NYSE., abbr. | Burns International Services Corporation | BOR |
| tradem., abbr. | Co Counselling International | CCI |
| abbr. | Committee for International Program in Atmospheric Sciences and Hydrology | CIPASH |
| ecol., abbr. | Committee on International Programs in Atmospheric Sciences and Hydrology | CIPASH |
| abbr., ecol. | Common International Classification of Ecosystem Services | CICES (Alexander Oshis) |
| univer., abbr. | Community Responding To International Student Programs | CRISP |
| med. | comprehensive international program of research on AIDS CIPRA | A federal program that provides long-term support to developing countries to conduct HIV/AIDS research relevant to their populations. |
| vet.med., abbr. | Convention on International Trade in Endangered Species of Wild Fauna and Flora | CITES |
| tradem., abbr. | Cooperative Services International | CSI |
| Nasdaq, abbr. | Cybernet Internet Services International | ZNET |
| abbr. | Denver, CO, USA - Denver International Airport Code | DEN (Alex Lilo) |
| abbr., foreig.aff. | Electoral Reform International Services | ERIS |
| abbr., astronaut., mil. | Electronic Combat International Security Assistance Program | ECISAP |
| abbr., commer. | 7-Eleven is part of an international chain of convenience stores, operating under Seven-Eleven Japan Co. Ltd, which in turn is owned by Seven & I Holdings Co. of Japan.2 | 7-eleven (Pavel) |
| abbr., scottish | Enhanced International Peacekeeping Capabilities Program | EIPCP (USA) |
| abbr., med. | Executive & International Medical Services | EIMS (iglav-iglav) |
| mil., abbr. | Foreign Counterintelligence and International Terrorism Program | FCITP (FBI) |
| abbr., scottish | GTE International Systems Co. | GTEISC (USA) |
| NGO, abbr. | Hepatitis Foundation International | HFI |
| NGO, abbr. | Holt International Children's Services | HICS |
| tradem., abbr. | Information Services International | ISI |
| IT, abbr. | International Advanced Robotic Program | IARP (organization) |
| interntl.trade., abbr. | International and New Market Development Program | INMDP |
| interntl.trade., abbr. | International Approval Services | IAS |
| ocean., abbr. | International Arctic Buoy Program | IABP |
| mil., abbr. | International Association of Security Services | IASS |
| abbr., ed. | International Baccalaureate Diploma Programme | IBDP (OLGA P.) |
| abbr., scottish | International Bank for Economic Co-operation | IBEC |
| ecol., abbr. | International Biological Program | IBP |
| meteorol., abbr. | International Biological Programme | IBP |
| law, court | International Centre for ADR | International Centre for Amicable Dispute Resolution (russiangirl) |
| abbr. | International Classification of Goods and Services | ICGS (The Nice Classification is a system of classifying goods and services for the purpose of registering trademarks. The latest 10th version of the system groups products into 45 classes (classes 1-34 include goods and classes 35-45 embrace services), and allows users seeking to trademark a good or service to choose from these classes as appropriate. Since the system is recognised in numerous countries, this makes applying for trademarks internationally a more streamlined process. The classification system is specified by the World Intellectual Property Organization (WIPO). Alexander Demidov) |
| abbr. | International Classification of Goods and Services | Nice Classification (The Nice Classification is a system of classifying goods and services for the purpose of registering trademarks. The latest 10th version of the system groups products into 45 classes (classes 1-34 include goods and classes 35-45 embrace services), and allows users seeking to trademark a good or service to choose from these classes as appropriate. Since the system is recognised in numerous countries, this makes applying for trademarks internationally a more streamlined process. The classification system is specified by the World Intellectual Property Organization (WIPO). Alexander Demidov) |
| abbr. | International Conference on Multimedia Services and Access Networks | MSAN |
| abbr. | International Conference on Telecommunications in Modern Satellite, Cable, and Broadcasting Services | TELSIKS |
| abbr., pharma. | International Contract Services Expo | ICSE (hatamota) |
| vet.med., abbr. | International Co-operation on Harmonisation | ICH (of Technical Requirements for the Registration of Veterinary Medicinal Products) |
| abbr., econ. | International Co-operative Agricultural Organisation | ICAO (International Co-operative Agricultural Organisation (ICAO) is a sectoral organisation of the International Co-operative Alliance 4uzhoj) |
| interntl.trade., abbr. | International Co-operative Alliance | ICA |
| abbr., avia. | International Co-ordinating Council of Aerospace Industries Associations | ICCAIA |
| abbr. | International Council of Home-Help Services | ICHS |
| mil., abbr. | International Criminal Investigative Training and Assistance Program | ICITAP |
| abbr. | International Currency Options Master Agreement | ICOM (asia_nova) |
| abbr., ed. | International Development Program | IDP (IDP Education Australia, IDP: IELTS Australia, IDP:IA internauta) |
| USA | International Development Program | IDP |
| abbr., ed. | International Development Programme of Australian Universities and Colleges | IDP (Johnny Bravo) |
| abbr. | International Early Warning Programme | IEWP (Vladimir71) |
| abbr., scottish | International Electronic Research Co. | IERC (USA) |
| abbr., st.exch. | International Financial Services Association | IFSA (Merc) |
| abbr., astronaut. | International Geological Correlation Programme | IGCP |
| ocean., abbr. | International Geosphere Biosphere Program | IGBP |
| abbr., astronaut. | International Geosphere-Biosphere Programme | IGBP |
| abbr., astronaut. | International Geosphere-Biosphere Programme: a Study of Global Change | IGBP |
| abbr., ocean. | International Geosphere-Biosphere Programme "Global Change" | IGBP (MichaelBurov) |
| ocean., abbr. | International Global Atmospheric Chemistry Program | IGAC |
| abbr., O&G | International Human Dimension for Global Change Programme | IHDP (MichaelBurov) |
| ecol., abbr. | International Hydrological Program | IHP |
| abbr., astronaut. | International Hydrological Programme | IHP (WMO) |
| ecol., abbr. | International Indian Ocean Fishery Survey Program | IOP |
| univer., abbr. | International Institution Exchange Program | IIEP |
| mil., abbr. | International Logistics Program | ILP |
| mil., abbr. | International Logistics Supply Performance Improvement Program | ILSPIP |
| USA | International Management Program | IMP |
| interntl.trade., abbr. | International Marketing Program For Agricultural Commodities And Trade | IMPACT |
| abbr., scottish | International Marketing Services Ltd | IMS (USA) |
| abbr., scottish | International Military Services | IMS (UK) |
| abbr., mil., BrE | International Military Services | IMS |
| energ.ind., abbr. | International Nuclear Safety Program | INSP |
| busin., abbr. | International Options Clearing Corporation | IOCC |
| med., abbr. | International Patient Services | IPS |
| tech., abbr. | International Physical Protection Advisory Services | IPPAS |
| ecol., abbr. | International Pollution Eradication Program | IPEP |
| univer., abbr. | International Postgraduate Programs | IPP |
| tech., abbr. | International Program Committee | IPC |
| ocean., abbr. | International Program for Antarctic Buoys | IPAB |
| abbr., med. | International Program for Development Evaluation Training | IPDET (allag) |
| ecol., abbr. | International Program in the Environmental Aspects of Industrial Development | IPEAID |
| ecol., abbr. | International Program of Ocean Drilling | IPOD |
| mil., abbr. | International Program Office | IPO |
| ecol., abbr. | International Program on Chemical Safety | IPCS |
| energ.ind., abbr. | International Program on the Health Effects of the Chernobyl Accident | IPHECA |
| abbr., astronaut. | International Programme for the Development of Communication | IPDC |
| abbr., scottish | International Programme Office | IPO |
| abbr. | International Programme on Chemical Safety | IPCS |
| mil., abbr. | International Programs Acquisition | IPA |
| mil., abbr. | International Programs Acquisition Team | IPAT |
| meteorol., abbr. | International Satellite Cloud Climatology Program | ISCCP |
| busin., abbr. | International Securities Services Association | ISSA |
| abbr., scottish | International Security Services Ltd | ISS (UK) |
| ecol., abbr. | International Solar System Program | ISSP |
| ocean., abbr. | International South Atlantic Buoy Program | ISABP |
| abbr., fin. | International Standard on Related Services | ISRS (hora) |
| IT, abbr. | International Standard Program Number | ISPN |
| energ.ind., abbr. | International Student Exchange Program | ISEP |
| abbr. | International Student Exchange Programme | ISEP (Anglophile) |
| univer., abbr. | International Student Services Management | ISSM |
| aeron., abbr. | International Sun-Earth Physics Programme | ISEPS |
| telecom., abbr. | International Toll Free Services | ITFS |
| abbr. | International Total Services, Inc. | ITS (компания, предоставляющая различные услуги по обеспечению работы и безопасности международных аэропортов yulia_mikh) |
| interntl.trade., abbr. | International Traineeship Exchange Program | ITEP |
| ed., abbr. | International Training and Education Program | ITEP |
| abbr., railw. | International Union of Railway Medical Services | UIMC (фр. аббр: Union internationale des services médicaux des Chemins de fer, см. http://bit.ly/uicUIMCfr ilghiz) |
| abbr. | International Visitor Leadership Program | IVLP (MichaelBurov) |
| abbr. | Junior Chamber International | JCI |
| abbr., qual.cont. | Laboratory Quality Services International | LQSi (Atenza) |
| abbr., econ. | London International Financial Futures and Options Exchange | LIFFE (Vosoni) |
| st.exch., abbr. | London International Financial Futures & Options Exchange | LIFFE |
| abbr. | Medical Assistance Program International | MAP (Alex Lilo) |
| abbr., post | Mil International Dispatch & Accountability System | MIDAS |
| Nasdaq, abbr. | Mining Services International Corporation | MSIX |
| NGO, abbr. | Missionary Care Services International | MCSI |
| USA | Office of International Programs | OIP |
| Nasdaq, abbr. | Pacific International Services Corporation | PISC |
| ocean., abbr. | Panel for International Programs and International Cooperation in Ocean Affairs | PIPICO |
| abbr., scottish | Physics International Co. | PI (USA) |
| NGO | Population Services International | Population Services International (iwona) |
| univer., abbr. | Program For International Student Assessment | PISA |
| ecol., abbr. | Program International Studies of Fishery Arrangements | PISFA |
| univer., abbr. | Programme For International Student Assessment | PISA |
| abbr., scottish | Programme for Strategic & International Security Studies | PSIS |
| abbr. | Public Services International | PSI |
| tradem., abbr. | Quality Services International | QSI |
| abbr. | Shell Services International | SSI (Yeldar Azanbayev) |
| abbr. | Special Committee for the International Biological Programme | SCIBP |
| ocean., abbr. | Special Committee on the International Biological Program | SCIBP |
| abbr. | The Program on International Policy Attitudes | PIPA (Lu4ik) |
| abbr., scottish | Thomson Field Services International | TFSI (France) |
| ecol., abbr. | Thunderstorm Research International Program | TRIP |
| Nasdaq, abbr. | Travel Services International, Inc. | TRVL |
| UN, sl., drug. | UN international drug control programme | reports to CND |
| abbr. | United Nations International Drug Control Programme | UNDCP |
| AMEX., abbr. | United Surgical Partners International options | QPJ |
| abbr., scottish | US Navy International Program Office | NIPO |
| relig., abbr. | Vatican International Services Agency | VISA |
| vet.med., abbr. | Veterinary International Co-operation on Harmonization | VICH (of Technical Requirements for the Registration of Veterinary Medicinal Products - EU) |
| tradem., abbr. | Visa International Services Association | VISA |
| univer., abbr. | Visiting International Faculty Program | VIFP |
| univer., abbr. | Visiting International Faculty Program | VIF |
| st.exch., abbr. | Voice Mobility International, Inc. options | VMY |
| tradem., abbr. | Weather Services International | WSI |
| abbr., scottish | Westinghouse Electronic Systems International Marketing Co. | WESIM (USA) |
| univer., abbr. | Wharton International Volunteer Program | WIVP |
| meteorol., abbr. | Working Group on Meteorological Services to be Provided to International General Aviation | METSIGAG |
