Computer assisted ordering - See barcode

A Chinese surname, the most famous bearer being Cao Cao

Calcium oxide (CaO)

Collectieve arbeids overeenkomst (Collective Work Agreement), Dutch term for a collective employment contract framework

Chief analytics officer of a company

Canadian Association of Orthodontists

Chief administrative officer of a company

Chief accounting officer of a company

Central Applications Office - Irish organisation that oversees tertiary education applications

CAO is the ICAO airline designator for Air China Cargo

Central Applications Office - Irish organisation that oversees tertiary education applications

CAO is the ICAO airline designator for Air China Cargo