sort by Rank | Alpha
| Possible Meanings | Rank |
|---|
| International School Partnerships Through | ** |
| Instructional Services Planning and Technology | ** |
| Institute for the Study of Psychopolitical Trauma | ** |
| Interagency Service Planning Team | ** |
| In Space Propulsion Technologies | * |
| International Society for Professional Trackers | * |
| Initial Source Processing Time | * |