Computer Interface Unit
Control Interface Unit
Communications Interface Unit
channel interface unit
Command Interface Unit
Controller Interface Unit
CABLE INTERFACE UNIT
Collision Investigation Unit
Communication Interface Unit
Complete Interface Unit
Control and Indication Unit
Control Indicator Unit
Crew Interface Unit
Cardiac Investigation Unit
Categorical Industrial User
CDMA Interface Unit
Cell Interface Unit
Central Information Unit
Central Interface Unit
Central Interpretation Unit
Chancery International University
chronic idiopathic urticaria
Cielos Airlines
Classified Interface Unit
Clinical Information Utility
Club and Institute Union
Cockpit Interface Unit
Color Intensity Unit
Columbia International University
Combat Intelligence Unit
Communications Intelligence Unit
Complex Integer Unit
Compliance Infrastructure Unit
Concurrent Interface Unit
Control and Interface Unit
Converter Interface Unit
Core Interface Unit
Correct Information Unit
Coupler Interface Unit
Craft Interface Unit