SGM
SGM may denote the Spanish term for World War II, Southern Gospel Music, the military rank of Sergeant Major, the famed record producer Sir George Martin, or a computing community focused on mods.
Medical
Miscellaneous
Special General Meeting
Serbs Greeks Macedonians
State Graph Manipulator
Southern Grouts and Mortars
Second Generation Model
Schweizer Graphische Mitteilungen
Community
Governmental
Academic & Science
Computing
Standard Generalized Markup Language SGML document
Some Great Mods
Second Generation Modem
Second Generation Multiplex