International Accounting Standards Com…
International Arctic Science Committee
International Arctic Sciences Committe…
Inter-Agency Standing Committee
interim acting service chief
Indexing and Abstracting Society of Ca…
Indian Army Service Corps
Institute for Advanced Study Computer
Inter Agency Standing Committee
Inter-American Safety Council
Inter-American Society for Chemotherap…
International Air Services Commission
International Airline Services Commiss…
International Association for Statisti…
International Association of Science C…
International Association of Seed Crus…