| Abbreviation | Definition |
|---|---|
| ISAT | International Seismic Application Technology |
| ISB | Information Systems for Biotechnology |
| ISBT | Integrated Science Business and Technology |
| ISDT | Instructional Systems Design and Technology |
| ISET | Indian Society of Earthquake Technology |
| ISIT | Information Services Instructional Technology |
| ISLT | Institute for Science Law and Technology |
| ISLT | International Symposia on Lowland Technology |
| ISMART | Innovations in Surfaces Materials And Related Technologies |
| ISMT | International School of Milling Technology |
| ISMT | International School of Modern Technology |
| ISOT | Information security and object technology |
| ISOT | International Symposium on Optomechatronic Technology |
| ISPT | Institute of Sustainable Process Technology |
| ISROSET | International Scientific Research Organization for Science, Engineering and Technology |
| ISRTC | Intelligence Surveillance and Reconnaissance Technology Consortium |
| ISST | Information Science Systems and Technology |
| ISST | Institute for Security Science and Technology |
| ISST | Institute of Sports Science Technology |
| IST | Information and Software Technology |