VPSI
| Acronym | Definition |
|---|---|
| VPSI | Vector Planning & Services, Inc. (Chantilly, VA) |
| VPSI | Veterinary Pet Services, Inc. (insurance; Brea, CA) |
| VPSI | Virtual Perception Systems Inc. (Canada) |
| VPSI | Violence Prevention Summer Institute (Oregon Department of Education) |
| VPSI | Veley's Problem Solving Index (management system) |
| VPSI | Vanpool Service Inc. |