SSIL

AcronymDefinition
SSILSocial Security Integration Level (various locations)
SSILSir Syed Institute of Leadership (Pakistan)
SSILStep Sister-in-Law
SSILSystem Subsystem Interface List
SSILSoftware Safety Integrity Level
SSILSeeking Spiritual In Lightment (Hobbs, New Mexico)
SSILSignificant Supply Items List
SSILShip's Subsystem Integration List
SSILSQL (Structured Query Language) Star International Limited (Microsoft partner; India)