| Modern Applied Statistics in S | Academic & Science |
| Muscle Athletic Sport Society | Academic & Science |
| Model of Architecture Serving Society | Academic & Science |
| Mathematics Advanced Study Semester | Academic & Science |
| Modern Academic Slacker Society | Academic & Science |
| Memorandum Account Statement System | Accounts and Finance |
| Modular Approach To Systems Solutions | Business |
| Mikdenmark Audio Sound Studio | Business |
| IEEE International Conference on Mobile Ad hoc and Sensor Systems | Community |
| Musical Architecture Sonic Sculpture | Community |
| Music Architecture Sonic Sculpture | Community |
| IEEE Symposium on MAss Storage Systems | Community |
| Music Arts Sights and Sounds | Community |
| Massachusetts Association of School Superintendents | Community |
| Michigan Association of Staffing Services | Community |
| Movie Artists Social Support | Community |
| Mobile Action Social Strategy | Computing |
| Message Authentication Signature Service | Computing |
| Mobile Adhoc and Sensor Systems | Computing |
| Microsoft Agent Scripting Software | Computing |
| Masked Sequence to Sequence | Computing |
| Manufacturing Automation Support System | Computing |
| Massnet | Cryptocurrency |
| Monster Ass Speaker Simulator | Electronics |
| Multiple Application Setting Syncer | General |
| Message Audience Situation Significance | General |
| Multi Application Safety System | General |
| Multi Ammunition Softkill System | General |
| Magnetix Apex Symmetrical Stasis | General |
| Massachusetts Massachusetts | General |
| Mobile Authentication Secure Server | General |
| Manab Adhikar Sangram Samiti | General |
| Masternode And Staking Service | General |
| Mediation Awareness Synergy Sacramento | General |
| Midwest All Star Series | General |
| Maruti Authorised Service Station | General |
| Mid American Sprint Series | General |
| Maritime Autonomous Surface Ship | General |
| Mad About Species And Siberians | General |
| Multiline Accuracy Support System | Governmental |
| Ministry Of Amarr Secret Services | Governmental |
| Mix Asian Speed Sensations | International |
| Monster A** Speaker Simulator | Internet |
| Mathematics Advanced Study Semesters | Maths |
| Massage | Medical |
| Massive | Medical |
| Mobcon Automated Support System | Military and Defence |
| Mobility Analysis Support System | Military and Defence |
| Molecular Assembly Sequence Software | Softwares |
| Modelling Analytics Software Solutions | Softwares |
| Muscle and Sports Science | Sports |
| Muscle Athletic Sports Society | Sports |
| Monthly Applications in Strength Sport | Sports |
