| Mountain Safety Research | Academic & Science |
| Medical Student Resident | Academic & Science |
| Marine Scientific Research | Academic & Science |
| Master of Science in Robotics | Academic & Science |
| Major Statistical Region | Academic & Science |
| Mus | Airport Code |
| Mortgage Servicing Rights | Business |
| Management Systems Resources | Business |
| Manas Resources, LTD. | Business |
| Muniholdings Insured Fund III, Inc. | Business |
| Malcolm Smith Racing | Business |
| Manufacturer Supplier Relationship | Business |
| Mortgage Service Ratio | Business |
| Material Supply Request | Business |
| Maritime Silk Bank | Business |
| Management Spirituality and Religion | Business Management |
| IEEE Mining Software Repositories Conference | Community |
| Montessori School of Raleigh | Community |
| March, Strathspey, and Reel | Community |
| Multi Story Residential— | Community |
| Music Safety Research | Community |
| Multi-Selective Reject | Computer and Networking |
| Market Service Requirement | Computer and Networking |
| Maximum Sensing Range | Computer Hardware |
| Machine State Register | Computer Hardware |
| Microsoft Skype Room | Computing |
| Model Specific Register | Computing |
| Microsoft Reserved | Computing |
| Multiple Service Ring | Computing |
| Micro Structure Record | Computing |
| Minimum System Requirements | Computing |
| Machine Specific Registers | Computing |
| Mobile Support Router | Computing |
| Meridian System Remote | Computing |
| Multi Service Router | Computing |
| Millisecond Response | Computing |
| Microsoft Research | Computing |
| Medium Screen Rendering | Computing |
| Maximal Starting Repertoire | Computing |
| Multiservice Switch Router | Computing |
| Module Specific Register | Computing |
| Masari | Cryptocurrency |
| Messen Steuern Regeln | General |
| River Minesweeper (MineSweeper, River) | General |
| Maintenance Space Reservation | General |
| Mumble Speech Recognition | General |
| Motor Shleppmoment Regelung | General |
| Modern Sporting Rifles | General |
| Manual Sunroof | General |
| Machine Stressed Rated | General |
| Magic Sky Roof | General |
| Multi Surface Reflector | General |
| Magnetic Stripe Reader | General |
| Must See Racing | General |
| Marches Strathspeys and reels | General |
| Matra Simca Rancho | General |
| Maitland Street Rodders | General |
| Motor Control Slide Retainer | General |
| Mustang Sampling Racing | General |
| Mulder Scully Romance | General |
| Monte's Secret Revenge | General |
| Model Specific Registers | General |
| Motor Schleppmoment Regelung | General |
| Metro Staffing Resources | General |
| Maximum Stable Rate | General |
| Machine Service Report | General |
| Machine Stress Rating | General |
| Mandatory Supervised Release | General |
| Manditory Supervised Release | General |
| Modern Sporting Rifle | General |
| Modular Sniper Rifle | General |
| Magnetically shielded room | General |
| Mulder Scully relationship | General |
| My Starbucks Rewards | General |
| Mulder and Scully Relationship | General |
| Machine Stress Rated | General |
| Member Service Requirement | General |
| Molten Salt Reactor | General |
| My Sisters Room | General |
| Mini Sniper Rifle | General |
| Macrolides Streptogramines Resistance | General |
| Modulated Speed Rotator | General |
| Modern Savage Rifle | General |
| Mammalian Selectivity Ratio | General |
| Materials Service Request | General |
| Mary Stuart Rogers | General |
| Methionine Sulfoxide Reductase | General |
| Molten Salt Reactors | General |
| Motor Slip Regulation | General |
| Municipal Sewage Regulation | Governmental |
| Marketed Surplus Ratio | Governmental |
| Metalsmith (ship Repair) | Governmental |
| MASUR | Indian Railway Station |
| Member Service Representative | Jobs |
| Mean Squared Residual | Maths |
| Medical Student Residence | Medical |
| Medical Summary Report | Medical |
| Medical Software Reviews | Medical |
| Military Supply Route | Military and Defence |
| Maritime Support Request | Military and Defence |
| Mission Support Request | Military and Defence |
| Main Supply Route | Military and Defence |
| Mississippi Southern Railroad (Watco) | Regional |
| Miniature Square Rail | Regional |
| Maritime Silk Road | Regional |
| Mining Software Repositories | Softwares |
| Module Support Rack | Space Science |
| Monthly Status Report | Space Science |
| Mars Sample Return | Space Science |
| Motor Sports Racing | Sports |
| Manomet Street Racer | Sports |