TAV Airports Holding is a Turkish airport operation and services firm that is part of Groupe ADP. It is one of the world's largest airport operators, providing services to 1 million flights and 152 million passengers in 2018. TAV was established as a joint venture between Tepe Construction, Akfen, and Airport Consulting Vienna in 1997. Today, it is the leading airport operator in Turkey and also provides duty free, food and beverage, ground handling, IT and security services. Wikipedia