The meaning of the Acronym SIAC is...

SIAC is

• Special Immigration Appeals commission

More Meanings For SIAC:

• Securities Industry Automation Corporation
• School Improvement Accountability Committee
• Spatial Information and Analysis Consortium
• Security Industry Alarm Coalition
• Southern Intercollegiate Athletic Conference
• Safety Issue Assessment Center
• Special Immigration Appeals commission

SIAC is also in:

• Educational
• General
• NASA
• Non-Profit Organizations
• Sports
• US Government