sort by Rank | Alpha
| Possible Meanings | Rank |
|---|
| Information Systems Administrative Assistant | *** |
| Independent School Athletic Association | *** |
| Information Security Audit Association | *** |
| island school alumni association | *** |
| Inter Scholastic Athletic Association | *** |
| Iranian Students Alliance in America | *** |
| Israel Society of Aeronautics and Astronautics | *** |
| Is an Advocacy Association | ** |
| Information Security Access Agreement | ** |
| Idaho School Administrators Association | ** |
| International Society of Arboriculture Australian | ** |
| Institute of Afro Asian | ** |
| Intermountain Ski Areas Association | ** |
| Iranian Student Alliance in American | ** |
| Iranian Student Alliance of America | ** |
| Irish Schools Athletics Association | ** |
| Illinois Student Art Association | ** |
| International Software Architects Association | ** |
| Ion Selective Aperture Arrays | ** |
| Indo Swiss Academic Alliance | ** |
| Internet Shimping and Anglers Association | ** |
| Indian School Al Ain | ** |
| Irish South African Association | ** |
| International Shrine Aviation Association | * |
| International Size Acceptance Alliance | * |
| Indonesian Student Association in Australia | * |
| International Spill Accreditation Association | * |
| Iranian Society of Asthma Allergy | * |
| Information Sharing and Analysis Aenter | * |
| Israeli Association for Aesthetics | * |
| Idaho Ski Areas Association | * |
| Informal South Asia Agreement | * |
| International Services for Acquisition of Agri | * |
| International Sports Association for Armenia | * |
| Internet Shrimping and Anglers Association | * |