| Memorial Student Center | Academic & Science |
| Mad Science Club | Academic & Science |
| Marine Science Consortium | Academic & Science |
| Société de Microscopie du Canada | Academic & Science |
| Microscopical Society of Canada | Academic & Science |
| Management Service Center | Academic & Science |
| Michigan State College | Academic & Science |
| Minority Student Caucus | Academic & Science |
| Murray State College | Academic & Science |
| Microelectronics Support Centre | Academic & Science |
| Merchant Service Charge | Accounts and Finance |
| Mesa (az) | Airport Code |
| Manhattan Supply Company | Business |
| Magic Spores Canada | Business |
| Micro Surface Corporation | Business |
| Muttal Subramaniam Company | Business |
| Minerals Corporation Ltd | Business |
| Missouri Service Center | Business |
| Mediterranean Shipping Cruises | Business |
| Medical Service Corporation | Business |
| Mansfield Sports Complex | Business |
| Media Solutions Corp | Business |
| Mediteranean Shipping Company | Business |
| MacNeal Schwendler Corporation | Business |
| Material Sciences Corporation | Business |
| Mail Stop Code | Business |
| Merchant System Component | Business |
| Maintenance Saving Concept | Business |
| Mission Service Corps | Community |
| Munich Security Conference | Community |
| Museum Support Center | Community |
| Moved, Seconded, and Carried | Community |
| Marginal Social Cost | Community |
| Missionarii Sacratissimi Cordis | Community |
| Math Study Center | Community |
| Men Seeking Christ | Community |
| Monroe Senior Center | Community |
| Margaret Sanger Center | Community |
| Missionarii Sacratissimi Cordis (Missionaries of the Sacred Heart) | Community |
| Measurement Science Conference | Community |
| Maritime Safety Committee | Community |
| Mid South Conference | Community |
| Moonlighting Social Club | Community |
| Message Sequence Chart | Computer and Networking |
| Mobile Switching Center | Computer and Networking |
| Memory Stall Cycle | Computer Hardware |
| Medical Science Computing | Computing |
| Microsoft System Configuration | Computing |
| Mobile Service Centers | Computing |
| Microsoft Client | Computing |
| Microsoft Common Console | Computing |
| Message Sequence Charts | Computing |
| Microsoft C | Computing |
| Magnetic Stripe Card | Computing |
| Microsoft Solitaire Collection | Computing |
| Management Server Commands | Computing |
| Media Stimulated Calling | Computing |
| Minnesota Supercomputer Center | Computing |
| Modular Services Card | Computing |
| Most-Significant Character | Computing |
| Microsoft System Configurations | Computing |
| Microsoft System C | Computing |
| Mobile Switching Centre | Computing |
| Multimedia Super-Corridor | Computing |
| Microsoft Customer | Computing |
| Microsoft Student Community | Computing |
| Monster Slayer Cash | Cryptocurrency |
| Master In Strategic Communication | Educational Degree |
| Master of Science | Educational Degree in Science |
| Mountain State College | Educational Institute |
| Matanuska Susitna College | Educational Institute |
| Minnesota State College | Educational Institute |
| Multiple Sidelobe Canceller | Electronics |
| Microsoft C Makefile | File Type |
| Movement Strategy Center | General |
| My Second Cocktail | General |
| Maximum Speed Control | General |
| Magyar Suzuki Corporation | General |
| Mid Size Car | General |
| Magic Sky Control | General |
| Magnetorheological Suspension Control | General |
| Mobile Surveillance Capability | General |
| Michelin Service Center | General |
| Mazda Service Centre | General |
| Mobil Service Center | General |
| Motor Sport Club | General |
| Modified Stock Car | General |
| My Special Car | General |
| Montreal Subaru Club | General |
| Micra Sports Club | General |
| Mobile Speed Camera | General |
| Mirror and Steering Column Adjustment | General |
| Motor Sports Council | General |
| Motor Speed Control | General |
| My Summer Car | General |
| Mando Suzhou China | General |
| Motor Sports Complex | General |
| Myvi Street Club | General |
| Midnight Sun Cruisers | General |
| Mitsubishi Service Commitment | General |
| MineSweeper, Coastal | General |
| Management Sectional Center | General |
| Marcellus Shale Coalition | General |
| Mother of Six Children | General |
| Marine Safety Center | General |
| Mayhem Surliness and Confusion | General |
| Mass Storage Class | General |
| Map Service Center | General |
| Maniacs Systemize Clans | General |
| Multi State Collaborative | General |
| Mind Skill Character | General |
| Modular Service Container | General |
| Motorcycle Stability Control | General |
| Mathematic Subject Classification | General |
| Mindful Self Compassion | General |
| Manchester Ship Canal | General |
| Multiple Systems Coupling | General |
| Mechanical Systems Control | General |
| Maritime Security Center | General |
| Medium Specific Concentrations | General |
| Minimum Set Covering | General |
| Michigan Sustainability Cases | General |
| Module Service Center | General |
| Military Space Cruiser | General |
| Mail Service Center | General |
| Math Subject Classification | General |
| Mandatory Settlement Conference | Governmental |
| Mechanical Speed Control | Governmental |
| Marine Stewardship Council | Governmental |
| Mess Attendant Specialist Chief Petty Officer First Class | Governmental |
| Marine Safety Council | Governmental |
| Macaulay Scholars Council | Governmental |
| CHENNAI CHETPAT | Indian Railway Station |
| Movimiento Socialista Catalan | International |
| Medicaid Service Coordinator | Jobs |
| Mathematics Subject Classification | Maths |
| Medicines Select Committee (of the British Veterinary Association) | Medical |
| Major Septic Complication | Medical |
| Major Symptom Complex | Medical |
| Marrow Stem Cells | Medical |
| Materials Services Center | Medical |
| Medial Septum Complex | Medical |
| Medical Services Committee | Medical |
| Medical Smart Card | Medical |
| Medical Staff Corps | Medical |
| Medicare Status Code | Medical |
| Medicines Selection Committee | Medical |
| Membrane Secretory Component | Medical |
| Mid-Systolic Click | Medical |
| Migrating Spike Complex | Medical |
| Modernising Scientific Careers | Medical |
| Moloney sarcoma cell | Medical |
| Mesenchymal Stem Cell | Medical |
| Motile Sperm Count | Medical |
| Motor-Sensory Cortex | Medical |
| Myeloid Suppressor Cells | Medical |
| Medical Simulation Corporation | Medical |
| Mesenchymal Stem Cells | Medical |
| Mediterranean Shipping Company | Messaging |
| Mechanized Soldier Carrier | Military and Defence |
| Maritime Support Center | Military and Defence |
| Military Staff Committee | Military and Defence |
| Mission Support Confirmation | Military and Defence |
| Medical Service Corps | Military and Defence |
| Military Sealift Command | Military and Defence |
| Major Subordinate Command | Military and Defence |
| Major Systems Command | Military and Defence |
| Mission Support Center | Military and Defence |
| Chief Mess Specialist | Military and Defence |
| Multiple Scatter Correction | Physics Related |
| Meteorological Service of Canada | Regional |
| Mississippi Central (Illinois Central Gulf Railroad) | Regional |
| Software Corporation | Softwares |
| Manned Spacecraft Center (changed To Jsc) | Space Science |
| Master Sequence Controller | Space Science |
| Materials Service Center | Space Science |
| Mobile Servicing Center | Space Science |
| Moding Sequencing and Control | Space Science |
| Manned Spacecraft Center | Space Science |
| Minnesota Ski Council | Sports |
| Montreal Soaring Council | Sports |
| Midwest Sports Channel | Sports |
| Micheal Schumacher | Sports |
| Mobile Legends: Bang Bang Southeast Asia Cup | Sports |
| Market Stance Coefficient | Stock Exchange |
| MIDI Show Control | Technology |
