The meaning of the Acronym SIU is...

SIU is

• Special Investigations Unit

More Meanings For SIU:

• Sensor Interface Unit
• Shelf Interface Unit
• Southern Illinois University
• Special Infiltration Unit
• Significant Industrial User
• Special Investigative Units
• Special Investigative Unit
• Stimulus Isolation Unit
• Seiko Instruments USA, Inc.
• Scheduling Information Unsolicited
• Seafarers International Union
• Simulation Interface Unit
• Sensor Interface Unit
• Signal Interface Unit
• Special Investigations Unit

SIU is also in:

• Electronics
• Firms
• General
• Hardware
• Military
• NASA
• Physiology
• Police
• Professional Organizations
• Unfiled
• Universities