Abbreviations beginning with S

SYSMODSystem Modification
Computing » IT

SYSOSeattle Youth Symphony Orchestras
Community » Youth

SYSOSeguridad y Salud Ocupacional (Spanish: Occupational Safety and Health; governmental division; various locations)
Governmental

SYSOSeattle Youth Symphony Orchestras (Washington)
Miscellaneous

SYSOShelton Youth Soccer Organization (Connecticut)
Miscellaneous

SYSOSkaneateles Youth Soccer Organization (New York)
Miscellaneous

SYSOStarkville Youth Soccer Organization (Starkville, MS)
Miscellaneous

SYSOSwiss Youth Symphony Orchestra (Switzerland)
Miscellaneous

SYSOPSystem Operator
Computing » IT

SYSOPSent Your Spouse Obscene Pictures
Internet » Chat

SYSOPSystem Operator
Internet

SYSPACSystem Safety Policy Action Committee
Miscellaneous

SYSPALSystem Palette
Computing » IT

SYSPFAircraft System Performance Product
Governmental

SYSPHShut Your Stinkin' Pie-Hole
Miscellaneous