| Acronym | Definition |
|---|
| PPTI➣Protein Polymer Technologies, Inc. (Delaware and California) |
| PPTI➣Philippine Precision Technology, Inc. |
| PPTI➣Persistence Power Training Institute (India) |
| PPTI➣Physical Planning Technologies Inc. (Canada) |
| PPTI➣Pleural Pressure-Time Index |
| PPTI➣Primary Plugging Temperature Indicator |
| PPTI➣Paguyuban Petani Tambak Indramayu (Indonesian: Farmers Pond Circle Indramayu; Indramayu, Indonesia) |