TRSI
| Acronym | Definition |
|---|---|
| TRSI | Tristar Red Sector Inc |
| TRSI | The Right Stuf International (Grimes, IA) |
| TRSI | Texas Rural Systemic Initiative |
| TRSI | Telehealth Research Summer Institute (Canada) |
| TRSI | Tenth of Ramadan Spinning Industries (Egypt) |
| TRSI | Test Rapide de Sensibilité à l'Insuline (French: Rapid Test of Sensitivity to Insulin) |