Bay City-Midland-Saginaw - Michigan - Airport symbol (AD)
Bethany Lutheran Theological Seminary, Mankato, MN - OCLC symbol (OCLC)
Macquarie Broadcasting Service (SAUO)
Magnetron Beam Switching
Main "Bang" Suppressor
Main Buffer Storage (IAA)
Mainichi Broadcasting System (SAUO)
Maleimidobenzoyl N-Hydroxysuccinimide - Organic chemistry
Malta Board of Standards (BUAC)
Managed Bandwidth Service
Managed Build System (XSAL)
Management Board Secretariat - Ministry of Government Services (OGA)
Management by System - Management technique (IAA)
Manchester Business School - England
Marker Board Supplies Limited (SAUO)
Market Basket Survey - Business term
Martin-Bell Syndrome - Medicine (DMAA)
Master Bibliographic System (ADA)
Master Boot Sector (SAUS)
Master of Basic Science
Master of Behavioral Science
Master of Building Science
Master of Business Science (SAUO)
Maximum Burst Size (MLOA)
Medborgerlig Samling - Citizens Rally - Sweden - Political party (PPE)
Mediterranean Base Section - Army - World War II
Medium Bomber Strike (NATG)
MedQuist, Inc. - AMEX symbol (SAG)
Megabits Per Second (NITA)
Member of the Bibliographical Society (ROG)
Menorah Book Service (BJA)
Methacrylate Butadiene Styrene - Plastics technology
Methionyl Bovine Somatotropin - Biochemistry
Methodist Boys' School
Meyer Boat Works, Tavernier, FL - Manufacturer code for watercraft hull identification number (USCG)
Miami Beach Symphony (SAUO)
Micro Business Systems (NITA)
Miniature Book Society (EA)
Minimum Basis Sets - Chemistry (MEC)
Mission Bit Stream (SAUO)
Mission Budget Statement - Army
Misty Blues All Women Skydiving Team - Air show performer (ASPC)
Mobile-Base Simulator (PDAA)
Mobile Broadband Services - Telecommunications (ACOL)
Mobile Broadband System (SAUO)
Mobile Broadband Systems (TELEC)
Mobile Broadcast System - Military technology (DDF)
Modular Banking System (PDAA)
Modular Barrier System - Police and security equipment
Molecular Beam Scattering (SAUS)
Monobromo-Salicylanilide - Medicine (EDAA)
Monobutyl Sulfate - Organic chemistry
Monumental Brass Society (EA)
Morpholine-Based Sulfenamide - Chemistry
Mortgage-Backed Securities Information Services - The Bond Buyer, Inc. - New York, NY - Information service or system (IID)
Mortgage-Backed Security (DFIT)
Mortgage-Backed Security Program - Government National Mortgage Association
Motion Base Simulator (MCD)
Motor Bus Society (EA)
Multibit Shifter (IAA)
Multiblade Slurry Saw - Semiconductor technology
Multiblock Synchronization Signal Unit - Telecommunications (TEL)
Multicore Bar Solder
Multilingual Biblioservice of Alberta, Alberta Culture - UTLAS symbol
Multiple Batch Station - Computer science
Multiple Business System
Municipal Broadcasting System (SAUO)
Music Broadcasting Society (NADA)
Music Business Solutions - Commercial firm
Mutual Broadcasting System
Muzzle Bore Sight - British military (DMA)
Myrtle Beach, SC - Amtrak Busline code
Saginaw - Michigan - Airport symbol (OAG)
Saginaw, MI - Location identifier - FAA (FAAL)
Sarangani Manobo - Language code (ETLW)
Social Law Library, Boston, MA - Library symbol - Library of Congress (LCLS)
Megabits per Second - Computer science (IGQR)
Megabits per Second (COE)
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