What does SIS stand for?

What does SIS mean?

SIS	Sister Internet » Chat
SIS	Sister Business » Positions
SIS	Sister Computing » Texting
SIS	Silicon Integrated Systems Business » Firms
SIS	Student Information System Community » Educational
SIS	Student Information System Academic & Science » Universities
SIS	Schengen Information System Business » Firms
SIS	Secret Intelligence Service Governmental » Politics
SIS	Superconductor Insulator Superconductor Academic & Science » Electronics
SIS	Safety Instrumented System Academic & Science » Electronics
SIS	Strategic Information System Governmental » Military
SIS	Simple Instruction Set Computing » Assembly
SIS	School Internet Server Community » Educational
SIS	IEEE Swarm Intelligence Symposium Community » Conferences
SIS	Science Information Systems Academic & Science » Universities
SIS	Single Instance Store Business » Firms
SIS	Student Information Services Academic & Science » Universities
SIS	Styrene Isoprene Styrene Miscellaneous » Plastics
SIS	Suspended Imposition of Sentence Community » Law
SIS	Single Image Stereogram Miscellaneous » Photography
SIS	Share In Savings Business » Stock Exchange
SIS	Self Injury Support Medical » Physiology
SIS	Social Information Systems Governmental » Police
SIS	Special Intelligence Service Governmental » Military
SIS	Species Information Service Academic & Science » Botany