ISTG
| Acronym | Definition |
|---|---|
| ISTG | Immigrant Ships Transcribers Guild |
| ISTG | Inter-Site Topology Generator |
| ISTG | Implicit State Transition Graph |
| ISTG | Information Storage Technology Group (University of Twente; Netherlands) |
| ISTG | Integrated Systems Tech Group (Tampa, FL) |
| ISTG | Innovative Science and Technology Group (est. 2006) |
| ISTG | I Swear to God |