sort by Rank | Alpha
| Possible Meanings | Rank |
|---|
| Irish Science Teachers Association | *** |
| Indiana State Trappers Association | *** |
| Institute of Science and Technology Austria | *** |
| Illinois Science Teachers Association | *** |
| Institute for Search and Text Analysis | *** |
| Information Science and Technology Agency | *** |
| International School of Theatre Anthropology | *** |
| Information Systems Technology and its Applications | *** |
| Ivanovo State Textile Academy | *** |
| International Symposium on Tilapia in Aquaculture | *** |
| Is the Subject Association | *** |
| Idaho Science Teachers Association | *** |
| Illinois Soil Testing Association | *** |
| Independent School Teachers ASSOCIATION | *** |
| International Special Tooling Association | *** |
| Illinois Seed Trade Association | *** |
| International Schools Theatre Association | *** |
| International Strategic Technology Alliance | *** |
| International Sound Therapy Association | *** |
| Institute of Space Technology and Aeronautics | *** |
| Illinois School Transportation Association | *** |
| International Sports Trainers Association | *** |
| International Seed Trade Association | *** |
| International Schools Theater Association | *** |
| International Security Training Academy | *** |
| International School of Traditional AIKIDO | ** |
| integrating sphere turbidimetric assay | ** |
| Internacional Seed Testing Association | ** |
| Internet Sacred Text Archive | ** |
| Indiana Seed Trade Association | ** |
| International Syclone Typhoon Association | ** |
| Institute of Science Technology and Art | ** |
| Illinois Speech and Theatre Association | ** |
| International Steel Trade Association | ** |
| Independent Software Testing Association | ** |
| Intelligence, Surveillance, and Target Acquisition | ** |
| Indian Scientific Translators Association | ** |
| International Society for Technology Assessment | ** |
| Iranian Society of Travel Agents | ** |
| Information Science Technology Agency | ** |
| Institude of Space Technology and Aeronautics | ** |
| Indianistik Schulungen Tipicamps Ausstellungen | ** |
| International Symposium Theater Anthropology | ** |
| International School Theatre Association | ** |
| Intelligence Surveillance and Target Acquisition | ** |
| International Safe Transport Association | ** |
| Illinois Speech Theater Association | * |
| Imaging for Space and Terrestrial Applications | * |
| International Seeds Testing Association | * |
| International Sound Therapy Assoc | * |
| Irish Seed Trade Association | * |
| Imaging Sciences Technology Academy | * |
| Iowa String Teachers Association | * |
| International Seed Test Association | * |
| Illinios Soil Testing Association | * |
| International Security Tuition Association | * |
| International Syclone and Typhoon Association | * |
| International SCENAR Technology Association | * |
| International Sightseeing and Tours Association | * |
| Intertank Structural Test Assembly | * |
| International Science Technology Associates | * |
| Internet Science The American | * |