Senator (Governmental » Military)
*** Seniors (Community)
*** Special Educational Needs (Community » Educational)
* Semco Energy, Inc. (Business » NYSE Symbols)
* Software Engineering Notes (Governmental » US Government)
* Software Engineering Notes (Computing » Software)
* Small Extension Node (Governmental » Military)
* Satellite Education Network (Governmental » Military)
* Simulated Electronic Navigation (Governmental » Transportation)
* Student Exchange Network (Academic & Science » Universities)
* Servicio Empresarial de Noticias (International » Spanish)
* Straight Electrode Negative (Academic & Science » Electronics)
* Sport Entertainment Network (Community » Media)
* Sheep Extension Network (Miscellaneous » Farming)
Abbreviations dictionary. 2012.