| ISAT | IBM Service Assistant Tool 
| Others |
| ISAT | Idaho Standard Achievement Test
| Others |
| ISAT | Idaho Standards Achievement Test
| Others |
| ISAT | Idaho Standards Achievement Tests
| Others |
| ISAT | Illinois Standard Achievement Test
| Others |
| ISAT | Illinois Standard Assessment Tests
| Others |
| ISAT | Illinois Standards Achievement Test
| Others |
| ISAT | Illinois Standards Assessment Test
| Others |
| ISAT | Illinois State Achievement Test
| Others |
| ISAT | Illinois State Assessment Test
| Others |
| ISAT | Illinois Student Achievement Test
| Others |
| ISAT | Illlinios Standard Achievment Test
| Others |
| ISAT | Image Station Automatic Triangulation
| Others |
| ISAT | Impervious Surface Analysis Tool
| Others |
| ISAT | In Situ Adaptive Tabulation
| Others |
| ISAT | Inflatable Sound Attenuation Technology
| Others |
| ISAT | Information Science And Technology
| Others |
| ISAT | Information Sharing Assessment Tool
| Others |
| ISAT | Information Systems and Applied Technologies
| Others |
| ISAT | Inginternational Science And Technology
| Others |
| ISAT | Initial Surface Absorption Test
| Others |
| ISAT | Institut Superieur de l'Automobile et des Transports
| Others |
| ISAT | Institute of Salutary Academic Training
| Others |
| ISAT | Integrated Science and Technology
| Others |
| ISAT | Integrated Service Access Terminals
| Others |
| ISAT | Integrated Services Assessment Tool
| Others |
| ISAT | Integrated Shipping & Assembly Tooling
| Others |
| ISAT | Intelligent Students At Twin Groves
| Others |
| ISAT | Intelligent Systems and Assistive Technologies
| Others |
| ISAT | Interactive Scenario Authoring Tool
| Others |
| ISAT | Interactive Self Assessment Tool
| Others |
| ISAT | Interactive Specification Acquisition Tools
| Others |
| ISAT | Interim Software Acceptance Test
| Others |
| ISAT | International Schools Association Of Thailand
| Others |
| ISAT | International Science And Technology
| Others |
| ISAT | International Security Advisory Team
| Others |
| ISAT | International Seismic Application Technology
| Others |
| ISAT | International Student Admission Test
| Others |
| ISAT | International Student Admissions Test
| Others |
| ISAT | International Students Admissions Test
| Others |
| ISAT | International Subarachnoid Aneurysm Trial
| Others |
| ISAT | Internet Security Awareness Training
| Others |
| ISAT | Irish Sleep Apnoea Trust
| Others |
| ISAT | Islamic Society of Arlington Texas
| Others |
| ISAT | Itemsillinois Standards Achievement Test
| Others |