Abbreviations beginning with M

MSDGMulti-Site Democracy Game (forum; gaming)
Governmental

MSDGMaryland School of Dog Grooming (est. 1973; Silver Spring, MD)
Miscellaneous

MSDGCMitten State Disc Golf Club
Community » Clubs

MSDGCMetropolitan Sewer District of Greater Cincinnati (Ohio)
Governmental

MSDGCMarshall Street Disc Golf Championship (Leicester, MA)
Miscellaneous

MSDGCMetropolitan Sewer District of Greater Cincinnati
Miscellaneous » Unclassified

MSDGCMitten State Disc Golf Club
Sports » Golf

MSDHMaster of Science in Dental Hygiene (various schools)
Academic & Science

MSDHMethylmalonic Acid Semialdehyde Dehydrogenase
Academic & Science

MSDHO-Methyl-Serine Dodecylamide Hydrochloride
Academic & Science

MSDHMulti-Spindle Drill Head (product)
Business

MSDHMississippi State Department of Health
Governmental

MSDHPMyspace Dark Horse Presents
Miscellaneous

MSDIMarine Spatial Data Infrastructure
Academic & Science

MSDIMaster of Science in Diagnostic Imaging
Academic & Science

MSDIMultigated Spectral Doppler Imaging (radiology)
Academic & Science

MSDIMultiple Single Document Interface (word processing software)
Academic & Science

MSDIMulti Single Document Interface
Computing » IT

MSDIMissouri State Debate Institute
Governmental » Institutes

MSDIMaine Summer Dramatic Institute (Portland, ME; now defunct)
Miscellaneous