- SIS
- Sister (Miscellaneous)Sister (Business » Positions)* Silicon Integrated Systems (Business » Firms)* Student Information System (Community » Educational)* Student Information System (Academic & Science » Universities)* Schengen Information System (Business » Firms)* Secret Intelligence Service (Governmental)* Superconductor Insulator Superconductor (Academic & Science » Electronics)* Safety Instrumented System (Academic & Science » Electronics)* Strategic Information System (Governmental » Military)* Simple Instruction Set (Computing » Assembly)* School Internet Server (Community » Educational)* IEEE Swarm Intelligence Symposium (Community » Conferences)* Science Information Systems (Academic & Science » Universities)* Suspended Imposition Of Sentence (Community » Law)* Share In Savings (Business » Stock Exchange)* Self Injury Support (Medical » Physiology)* Social Information Systems (Governmental » Police)* Scripture In Song (Community » Religion)* Paine Webber Group, Inc. (Business » AMEX Symbols)* Success In Science (Community » Educational)* Saratoga Independent School (Community » Schools)* Social Information System (Community)* Shimano Index Shifting (Computing » Software)* Spectrum Internet Suite (Computing » Software)* System Integration and Support (Governmental » Military)
Abbreviations dictionary. 2012.