| Acronym | Definition |
|---|
| MPSI➣Market Planning Solutions, Inc. (Tulsa, OK) |
| MPSI➣Martin Process Solutions, Inc. |
| MPSI➣MoneyGram Payment Systems, Inc. (Lakewood, CO) |
| MPSI➣Multi-Problem Screening Inventory |
| MPSI➣MacLean Photographic & Sporting Images |
| MPSI➣Member of the Pharmaceutical Society of Ireland |
| MPSI➣Meeting Planner Satisfaction Index |