| Master of Science in Data Science | Academic & Science |
| Manufacturing System Display Stand | Business |
| Management Safety Data Statistics | Business |
| Massachusetts Safety Data Services | Business |
| Minimal Staffing During Sickouts | Business |
| Managerial System Data Sheet | Business |
| Main Sprinkler Detection System | Business |
| Management Staff Directors Students | Business Management |
| Military Skills Development System | Community |
| Maintenance Service Docket Sticker | Computer Hardware |
| Microsoft Developer Studio | Computing |
| Microsoft Developer Support | Computing |
| Microsoft Directory Services | Computing |
| Mine Safety Determination Specification | Earth Science |
| Material Standard For Data Sheets | General |
| Multiple Safety Diagnosis Systems | General |
| May Stop Dirty Stains | General |
| Msdsmaterial Safety Data Sheet | General |
| Material Safety Dummy Sheet | General |
| Most Solutions Deteriorate Slowly | General |
| Material Safety Data Sheet | General |
| Material Safety Data and Safety | General |
| Michigan Student Data System | General |
| Marconi Space Defence Systems | General |
| Massive Safety Data Sheet | General |
| Maruti Suzuki Desert Storm | General |
| Minimum Safety Data Score | Governmental |
| Medical Survey Data Sheet | Medical |
| Medical Surgical Device Standards | Medical |
| Medical Surgical Devise Standards | Medical |
| Maximum Safety for Dental Solutions | Medical |
| Multi-service Danger Stabilization | Military and Defence |
| Mission Specific Data Set | Military and Defence |
| Multi-spectral Scanner and Data System | Space Science |
