What does MSA stand for?

Commander Yacht Co., Inc., Muscle Shoals, AL - Manufacturer code for watercraft hull identification number (USCG)

Magazine Shippers Association

Mahri, Suqutri, and Shahri (BJA)

Maine Snowmobile Association (EARSL)

Main Store Allocator

Maintenance Support Activity

Major Serologic Antigen - Medicine (MELL)

Major System Acquisition (COE)

Malay-generic - GeoNet three-character language code (GEON)

Malaysia-Singapore Airlines

Male Specific Antigen (PDAA)

Malta Standardisation Authority (SAUS)

Malta Standards Authority (CENE)

Management Science America, Inc. (HODG)

Management Science Associates, Inc. - Information service or system (IID)

Management Science of America (HGAA)

Management Service Architecture (SAUS)

Management System Analysis

Management System Audits (EEVL)

Mandusa Resources Ltd. - Vancouver Stock Exchange symbol

Manitoba Society of Artists - 1925 - Canada (NGC)

Mannitol Salt Agar (MAE)

Marigold Society of America (EA)

Marine Safety Agency (WDAA)

Marine Science Activities - Program - Coast Guard

Marine Stewards' Association - Australia

Mariological Society of America (EA)

Maritime Safety Agency (NADA)

Maritime Safety Authority (SAUS)

Marker Signal Attenuation

Market Science Associates, Inc. - Information service or system (IID)

Marlowe Society of America (EA)

Marquetry Society of America (EA)

Marshal Sprayable Ablative - NASA

Masalit - Language code (ETLW)

Masonic Service Association of the United States (EA)

Massachusetts School of Art

Mass-Separating Agent - Chemical engineering

Mass Storage Adapter

Master of School Administration (PGP)

Master of Science Administration (PGP)

Master of Science and Arts

Master of Science in Accountancy

Master of Science in Accounting

Master of Science in Administration

Master of Science in Agriculture

Master of Science in Anesthesia (PGP)

Master of Science in Anthropology (PGP)

Master of Scientific Agriculture

Master of Sport Administration

Material Service Area

Material Stores Area (KSC)

Material Surveillance Assembly - Nuclear energy (NRCH)

Matrix Scheme for Algorithms (PDAA)

Mature Students' Association - British (BI)

Mean Spherical Approximation - Physical chemistry

Measure of Sampling Adequacy Index (EDAC)

Mechanical Signature Analysis

Media Studies Association - British

Medical Savings Account

Medical Scientists' Association - Australia

Medical Service Agency (WYGK)

Medical Services Account

Medical Services Administration - HEW

Medusa Corp. - NYSE symbol (CTT)

Member of the Society of Apothecaries - British

Member of the Society of Architects - British (DAS)

Member of the Society of Arts - British

Membrane-Stabilizing Activity - Cardiology

Membrane Surface Area - Cytology

Merchant Shipping Act

Mercury Singapore Airlines

Mermaid Series - A publication

Mesa Public Library, Mesa, AZ - OCLC symbol (OCLC)

Metaphysical Society of America (EA)

Meteorological Satellite Activity (IAA)

Meteorological Support Activity - Army Electronics Command

Methacrylate Structural Adhesive

Methanesulfonic Acid - Organic chemistry

Method of Standard Additions

Methyltrimethylsilylacetamide - Organic chemistry

Metropolitan Service Area - Telecommunications (TSSD)

Metropolitan Statistical Area - Census Bureau

Metropolitan Statistical Area Standard

Michigan Statutes Annotated - A publication (AAGC)

Microcomputer Software Association (EA)

Microgravity Science and Applications

Microscopy Society of America (NTPA)

Microsomal Antibody

Microwave System Analyzer (ACAE)

Middle Sacral Artery - Medicine (MELL)

Middle States Association (NADA)

Middle States Association of Colleges and Schools (EA)

Middle Stone Age - Anthropology

Midsystolic Click - Medicine (DB)

Military Service Act - British (DMA)

Military Subsistence Agency - Merged with Defense Supply Agency

Millennium Star Atlas - A publication

Milton Society of America (EA)

Mindel, Scott and Associates - Commercial firm

Mineralogical Society of America (EA)

Mine Safety Appliance

Minesweeper, Auxiliary - Navy symbol - Obsolete

Minimum Safe Altitude - Aviation

Minimum Sector Altitude - Aviation (PIPO)

Minimum Surface Area (KSC)

Minimun Sector Altitude - Aviation (PIAV)

Minnesota Statutes, Annotated - A publication (DLA)

Misce Secundum Artem - Mix Pharmaceutically - Latin

Missile Support Activity (MCD)

Missile System Analyst (SAA)

Missile System Availability (MCD)

Missionary Sisters of the Assumption - Roman Catholic religious order

Mission Services Association (EA)

Mission Support Area - NASA

Mistral Air SRL - Italy - ICAO designator (FAAC)

Mobile Subscriber Access (MCD)

Modern Standard Arabic - Linguistics (IEL)

Modern Studies Association - British (DBA)

Monitor and Switching Assembly

Morale Support Activities - Military (AABC)

Most Seriously Affected - Food-deficient nations

Motor Schools' Association of Great Britain (BI)

Motor Sports Association

Mount Pleasant, TX - Location identifier - FAA (FAAL)

Mount San Antonio - New Mexico - Seismograph station code, US Geological Survey (SEIS)

Mouse Serum Albumin - Clinical chemistry

Mouvement Socialiste Africain - African Socialist Movement - Political party

Mouvement Souverainete Association - Canada (PPW)

Multichannel Signal Averager - Computer science

Multilateral Steel Agreement

Multiple System Atrophy - Medicine

Multiplication Stimulating Activity - Cytochemistry

Multisubsystem Adapter - Sperry UNIVAC

Multivariate Survival Analysis - Statistics

Municipal Saleyards Association - Victoria, Australia

Muscle Sympathetic Activity - Medicine (DMAA)

Museum Store Association (EA)

Muslim Students' Association of the US and Canada (EA)

Mutual Security Act - 1954

Mutual Security Agency - Functions transferred to Foreign Operations Administration, 1953

Mutual Society of Arts (NADA)

Mycological Society of America (EA)

Royal Automobile Club Motor Sports Association - United Kingdom (EAIO)