| MRSI | Magnetic Resonance Spectroscopic Imaging 
| Others |
| MRSI | Magnetic Resonance Spectroscopy Imaging
| Others |
| MRSI | Management Research and Solutions Inc
| Others |
| MRSI | Management Resource Solutions Inc
| Others |
| MRSI | Market Research Society of India
| Others |
| MRSI | Marketing Research Services Inc
| Others |
| MRSI | Materials Research Society Of India
| Others |
| MRSI | Medical Recovery Specialists Inc
| Others |
| MRSI | Mercer Residential Services Inc
| Others |
| MRSI | methicillin resistant S intermedius
| Others |
| MRSI | Methicillin Resistant Staphylococcus Intermedius
| Others |
| MRSI | Micro Robotics Systems Inc
| Others |
| MRSI | Midwest Reproductive Symposium International
| Others |
| MRSI | MILCON Requirements and Standardization Integration
| Others |
| MRSI | Mineral Recovery Specialists Inc
| Others |
| MRSI | Mineral Recovery Specialists Incorporated
| Others |
| MRSI | Minnesota Rail Service Improvement
| Others |
| MRSI | Mission Ready Sustainability Initiative
| Others |
| MRSI | Modern Railway Society Of Ireland
| Others |
| MRSI | Mountain Regional Service Inc
| Others |
| MRSI | Mountain Regional Services Inc
| Others |
| MRSI | Mrsmaterials Research Society Of India
| Others |
| MRSI | Multiple Round Simultaneous Impact
| Others |
| MRSI | Multiple Round Simultaneous Impacts
| Others |
| MRSI | Multiple Rounds Simultaneous Impact
| Others |
| MRSI | San Isidoro El General, Costa Rica
| Others |