| Subcategory | Name | Description | URL | |
|---|---|---|---|---|
| Private Airport Operator | Heathrow Airport Holdings | Private operator of London Heathrow, the UK's largest airport; owned by a consortium of global infrastructure investors including Ferrovial and sovereign wealth funds. | heathrow.com | @HeathrowAirport |
| Private Airport Operator | Fraport AG | German company operating Frankfurt Airport and managing 30+ airports globally under long-term concession agreements. | fraport.com | @Fraport_AG |
| Private Airport Operator | Aena | Spanish company managing 46 airports in Spain and 27 internationally through concessions; the world's largest airport operator by passenger numbers. | aena.es | @Aena |