sort by Rank | Alpha
| Possible Meanings | Rank |
| International Award in Accountancy Training | ** |
| International Association of Automotive Technicians | ** |
| Indian Association of Angiosperm Taxonomy | ** |
| Independent Assistance and Assessment Team | * |
| Institute for Astronomy and Astrophysics Tuebingen | * |
| Indian Association for Angiosperm Taxonomy | * |
| Initial Appropriate Antimicrobial Therapy | * |