What does CID stand for?

What does CID mean?

CID	Chieftain International, Inc. Business » AMEX Symbols
CID	Call Instance Data Miscellaneous » Unclassified
CID	Card Identification Digit Computing » Security
CID	Customer Interface Device Computing » Networking
CID	Compare and Ignore Data Computing » Assembly
CID	Communication Interaction Disorder Medical » Physiology
CID	Cedar Rapids/ Iowa City, Iowa USA Regional » Airport Codes
CID	Cinematic Intuitive Dynamix Miscellaneous » Unclassified
CID	Computer Integrated Depositions Community » Law
CID	Career Information Days Miscellaneous » Unclassified
CID	Chemistry Instructor Director Academic & Science » Universities
CID	Certified Internet Diver Community » Educational
CID	Chemistry Instructor Director Business » Positions
CID	Central Intelligent Data Computing » Databases
CID	Compact Intracloud Discharge Miscellaneous » Unclassified
CID	Customization, Installation, and Distribution Business » Products
CID	Cleveland Instrument Division, VXI Technology, Inc. Business » Firms
CID	Commander's Intelligent Display Governmental » Military
CID	Complete Intelligence Deficiency Miscellaneous » Unclassified
CID	Comit Inter D Miscellaneous » Unclassified
CID	Cops In Dawakey Miscellaneous » Unclassified
CID	Cytomegalic Inclusion Diesease Medical » Physiology
CID	Common Interest Development Community » Housing
CID	Charge Injection Device Governmental » NASA
CID	Computer Interface Device Governmental » NASA

Cid(n.): The, (“El Cid Campeador”) (Rodrigo Díaz de Bivar), c1040–99, Spanish soldier: hero of the wars against the Moors.