| Master of Science in Aeronautics | Academic & Science |
| Metropolitan Statistical Areas | Academic & Science |
| Master of Spatial Analysis | Academic & Science |
| Master of Science in Accountancy | Academic & Science |
| Metropolitan School Academy | Academic & Science |
| Master of Science in Analytics | Academic & Science |
| Multicultural Student Affairs | Academic & Science |
| Minnesota Student Association | Academic & Science |
| Modern Sciences and Arts University | Academic & Science |
| Maryland School Assesments | Academic & Science |
| Mineralogical Society of America | Academic & Science |
| Mycological Society of America | Academic & Science |
| Modern Sciences and Arts | Academic & Science |
| Maritime Safety Agency | Academic & Science |
| Methane Sulfonic Acid | Academic & Science |
| Mutual School of Arts | Academic & Science |
| Minority Student Association | Academic & Science |
| Multichannel Signal Analyzer | Academic & Science |
| Minnesota Students Association | Academic & Science |
| Malaysian Students Association | Academic & Science |
| Muslim Students Association | Academic & Science |
| Missouri Students Association | Academic & Science |
| Michigan Student Assembly | Academic & Science |
| Musicological Society of Australia | Academic & Science |
| Malaysian Scientific Association | Academic & Science |
| Persatuan Ahli-Ahli Sains Malaysia | Academic & Science |
| Mediterranean Studies Association | Academic & Science |
| Muslim Student Association | Academic & Science |
| Monash Student Association | Academic & Science |
| Metropolitan and Statistical Area | Academic & Science |
| Mathematics and Science Academy | Academic & Science |
| Muskrat Dam | Airport Code |
| Master Services Agreement | Business |
| Mine Safety Appliance | Business |
| Metalurgica de Santa Ana | Business |
| Management System Audit | Business |
| Management Science Associates | Business Management |
| Maine Snowmobile Association | Community |
| Minnesota Subcontractors Association | Community |
| Modern Soul Academy | Community |
| Magic Shadow Archive | Community |
| Michael S. Adler | Community |
| Minnesota Math and Science Academy | Community |
| Middle States Association | Community |
| Modernist Studies Association | Community |
| Metropolitan Service Area | Community |
| Metallus Sonic Adventure | Community |
| Maryland School Assessment | Community |
| Michigan Snowmobile Association | Community |
| Medcin Sans Atmosphere | Community |
| Mega Settlement Area | Community |
| Manatee School For the Arts | Community |
| Museum Store Association | Community |
| Mecklenburg Swim Association | Community |
| Memory Stick Audio | Computer Hardware |
| Mobile Surface Analyzer | Computing |
| Microsoft Software Advisory | Computing |
| Microsoft Security Advisory | Computing |
| Modular Smart Array | Computing |
| Mcafee Site Advisor | Computing |
| Microsoft Student Ambassador | Computing |
| Microsoft Account | Computing |
| Microsoft Software Assurance | Computing |
| Microsoft Services Agreement | Computing |
| Microsoft Search Advertising | Computing |
| Microsoft Access | Computing |
| Microsoft Student Associate | Computing |
| Multifunction Security Appliance | Computing |
| Microsoft Systems Architecture | Computing |
| Memory Stick Adapter | Computing |
| My Secondary Address | Computing |
| Mobility Solution Architecture | Computing |
| Microsoft Select Agreement | Computing |
| Microsoft Master Services Agreement | Computing |
| My Shiba Academia | Cryptocurrency |
| Master of Sports Administration | Educational Degree |
| Master of Science In Administration | Educational Degree |
| Microscopy Society of America | Electronics |
| Measurement System Analysis | Electronics |
| Main Street America | General |
| Modular Storage Array | General |
| Minimum Sector Altitude | General |
| Multiple System Atrophies | General |
| Major Subcontract Administrator | General |
| Master Senior Appraiser | General |
| Minnesota State Academies | General |
| MIUI System Ads | General |
| Magic Soundfield Audio | General |
| Mac Snyder At | General |
| Mine Safety Act | General |
| Magnificent Service A | General |
| Maintenance Support Arrangement | General |
| Midwest Supermodified Association | General |
| Must Snake All | General |
| Missouri Students Asylum | General |
| MineSweeper, Auxiliary | General |
| Minnesota Supplemental Aid | General |
| McDonald Selznick Associates | General |
| Mineral Spirit Acrylic | General |
| Movement Strength and Alternate | General |
| Mounted Shooters of America | General |
| Mannitol Salt Agar | General |
| Metropolitan Statisical Area | General |
| Market Service Agreement | General |
| Mystical Shadow Angel | General |
| Microsoft Auto | General |
| Manual Speed Assist | General |
| Midwest Sprintcar Association | General |
| Monotube Shock Absorber | General |
| Motor Schools Association | General |
| Maruti Suzuki Autocross | General |
| Motorway Service Area | General |
| Mahindra South Africa | General |
| Modular Sports Architecture | General |
| Mazda Southern Africa | General |
| Mecanicien Specialiste Automobile | General |
| Maruti Suzuki Arena | General |
| Maruti Suzuki Alto | General |
| Mil-Spec Automotive | General |
| Motorsport Australia | General |
| My Sweet Audrina | General |
| Meat Standards Australia | General |
| Mind, Speech, Action | General |
| Military States of America | General |
| Micropolitan Statistical Area | General |
| Machine Systems Assessment | General |
| Managed Service Account | General |
| Mine Safety Appliances | General |
| Maryland Stadium Authority | Governmental |
| Male Success Alliance | Governmental |
| Marital Settlement Agreement | Governmental |
| Mine Safety Administration | Governmental |
| Metro Service Area | Governmental |
| Medical Service Apprentice | Governmental |
| Mission Support Alliance | Governmental |
| Mobile Subscriber Access | Governmental |
| Militaristic Secret Agency | Governmental |
| Maryland State Archives | Governmental |
| Moving Straight Ahead | Governmental |
| Master Settlement Agreement | Governmental |
| Minimum Safe Altitude | Governmental |
| Marine Science Activities | Governmental |
| Minnesota State Aid | Governmental |
| Metropolitan Sampling Area | Governmental |
| Malta Standards Authority | Governmental |
| Metropolitan Statistical Area | Healthcare |
| Mail Submission Agent | Information Technology |
| Movimiento Socialista Andaluz | International |
| Move Slow A** | Internet |
| Medical Savings Account | Jobs |
| Medical Services of America | Medical |
| Multiple system atrophy | Medical |
| Musculo-Skeletal Anatomy | Medical |
| Mineral Spirits Acrylic | Medical |
| Multiple Sequence Alignment | Medical |
| Multi System Atrophy | Medical |
| Metabolic Stone Analysis | Medical |
| Merciful, Selfless, and Adorable | Messaging |
| Master Service Agreement | Messaging |
| Management Services Agreement | Messaging |
| Mobil Subscriber Access | Military and Defence |
| Meridian Stress Assessment | Physics Related |
| Multiple Shear Angle | Physics Related |
| Modern Standard Arabic | Regional |
| Muskrat Dam Airport, Muskrat Dam, Ontario, Canada | Regional |
| Message Submission Agent | Softwares |
| Microsoft Acces | Softwares |
| Mission Solution Analysis | Space Science |
| Material Service Area | Space Science |
| Minimum Surface Area | Space Science |
| Msa-1 | Space Science |
| Multi- Source Agreement | Space Science |
| Montgomery Sports Association | Sports |
| Motorsport South Africa | Sports |
| Motor Sports Association | Sports |
| Michigan Sports Academies | Sports |
| Medical Savings Accounts | Stock Exchange |
| Mail Sending Agent | Telecommunication |
