International Association of Nitrox and Technical Divers | International Association of Nitrox and Technical Divers |
International Astronomical Youth Camp | International Astronomical Youth Camp |
International Auxiliary Language Association | International Auxiliary Language Association |
International Bank Account Number | International Bank Account Number |
International Biathlon Union | International Biathlon Union |
International Color Consortium | International Color Consortium |
International Cometary Explorer | International Cometary Explorer |
International Council for Science | International Council for Science |
International Council of Museums | International Council of Museums |
International Council on Monuments and Sites | International Council on Monuments and Sites |
International Earth Rotation and Reference Systems Service | International Earth Rotation and Reference Systems Service |
International English Language Testing System | IELTS |
International Federation of Library Associations and Institutions | International Federation of Library Associations and Institutions |