| Abbreviation | Definition |
|---|---|
| MPRC | Matsushita Public Relations Committee |
| MPRI | Military Professional Resources Inc |
| MPRI | Military Professional Resources, Inc. |
| MPS | Melges Performance Sailboat |
| MPS | Music Publishers Singapore |
| MPSC | Manitoba Product Stewardship Corporation |
| MPSI | Martin Process Solutions Inc |
| MPSI | Mobile Personal Services Inc |
| MPSI | Modern Paving Systems Inc |
| MPSI | MoneyGram Payment Systems Inc |
| MPT | Mathematics/Physics/Technology Division |
| MPTC | Melting Pot Theatre Company |
| MPTI | Mate Precision Tooling, Inc. |
| MPTI | Materials Processing Technology Inc |
| MPTI | Membrane Protective Technologies Inc |
| MPTI | Munroe Process Technologies, Inc. |
| MPV | Medical Present Value, Inc. |
| MPW | Muscatine Power and Water |
| MPWI | Michael P Wasserman Inc |
| MPX | Mid-America Payment Exchange |