| English | Thesaurus |
| Ahmed International Equipment Co. Pvt Ltd | AIECO (Pakistan) |
| American International Insurance Co. | AII |
| Aviation Services International Benelux BV | ASI (Netherlands) |
| Committee for International Program in Atmospheric Sciences and Hydrology | CIPASH |
| Common International Classification of Ecosystem Services | CICES (Alexander Oshis) |
| Denver, CO, USA - Denver International Airport Code | DEN (Alex Lilo) |
| Electoral Reform International Services | ERIS |
| Electronic Combat International Security Assistance Program | ECISAP |
| 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) |
| Enhanced International Peacekeeping Capabilities Program | EIPCP (USA) |
| Executive & International Medical Services | EIMS (iglav-iglav) |
| GTE International Systems Co. | GTEISC (USA) |
| International Baccalaureate Diploma Programme | IBDP (OLGA P.) |
| International Bank for Economic Co-operation | IBEC |
| 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) |
| 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) |
| International Conference on Multimedia Services and Access Networks | MSAN |
| International Conference on Telecommunications in Modern Satellite, Cable, and Broadcasting Services | TELSIKS |
| International Contract Services Expo | ICSE (hatamota) |
| International Co-operative Agricultural Organisation | ICAO (International Co-operative Agricultural Organisation (ICAO) is a sectoral organisation of the International Co-operative Alliance 4uzhoj) |
| International Co-ordinating Council of Aerospace Industries Associations | ICCAIA |
| International Council of Home-Help Services | ICHS |
| International Currency Options Master Agreement | ICOM (asia_nova) |
| International Development Program | IDP (IDP Education Australia, IDP: IELTS Australia, IDP:IA internauta) |
| International Development Programme of Australian Universities and Colleges | IDP (Johnny Bravo) |
| International Early Warning Programme | IEWP (Vladimir71) |
| International Electronic Research Co. | IERC (USA) |
| International Financial Services Association | IFSA (Merc) |
| International Geological Correlation Programme | IGCP |
| International Geosphere-Biosphere Programme | IGBP |
| International Geosphere-Biosphere Programme: a Study of Global Change | IGBP |
| International Geosphere-Biosphere Programme "Global Change" | IGBP (MichaelBurov) |
| International Human Dimension for Global Change Programme | IHDP (MichaelBurov) |
| International Hydrological Programme | IHP (WMO) |
| International Marketing Services Ltd | IMS (USA) |
| International Military Services | IMS (UK) |
| International Military Services | IMS |
| International Program for Development Evaluation Training | IPDET (allag) |
| International Programme for the Development of Communication | IPDC |
| International Programme Office | IPO |
| International Programme on Chemical Safety | IPCS |
| International Security Services Ltd | ISS (UK) |
| International Standard on Related Services | ISRS (hora) |
| International Student Exchange Programme | ISEP (Anglophile) |
| International Total Services, Inc. | ITS (компания, предоставляющая различные услуги по обеспечению работы и безопасности международных аэропортов yulia_mikh) |
| International Union of Railway Medical Services | UIMC (фр. аббр: Union internationale des services médicaux des Chemins de fer, см. http://bit.ly/uicUIMCfr ilghiz) |
| International Visitor Leadership Program | IVLP (MichaelBurov) |
| Junior Chamber International | JCI |
| Laboratory Quality Services International | LQSi (Atenza) |
| London International Financial Futures and Options Exchange | LIFFE (Vosoni) |
| Medical Assistance Program International | MAP (Alex Lilo) |
| Mil International Dispatch & Accountability System | MIDAS |
| Physics International Co. | PI (USA) |
| Programme for Strategic & International Security Studies | PSIS |
| Public Services International | PSI |
| Shell Services International | SSI (Yeldar Azanbayev) |
| Special Committee for the International Biological Programme | SCIBP |
| The Program on International Policy Attitudes | PIPA (Lu4ik) |
| Thomson Field Services International | TFSI (France) |
| United Nations International Drug Control Programme | UNDCP |
| US Navy International Program Office | NIPO |
| Westinghouse Electronic Systems International Marketing Co. | WESIM (USA) |
