World Top 100 Airports Operating Companies List by Market Cap as of August 2026

AENA S.M.E is Airports operating company with headquarters is in Madrid, Spain.

The company manages 46 airports and 2 heliports in Spain and has direct and indirect shares in another 23 airports: one in Europe (London Luton airport, of which it owns 51% of the share capital) and 22 in the Americas (6 in Brazil, 12 in Mexico, 2 in Colombia and 2 in Jamaica).

In March 2019, Aena International acquired 100% of six airports in the north east of Brazil.

The company annual revenue is 4,916.3 million USD and has 8,878 employees as on 2019.

Sydney Airport company owns Sydney airports and operates airport. Headquarters is in Sydney, Australia.

AIRPORTS OF THAILAND is Thailand based company with business in Managing International Airports in Thailand.

Airport operating company with headquarters is in Paris, France.

Airport operating company. Operates several airports in Mexico. Headquarters is in Mexico.

GMR Infrastructure is an infrastructure enterprises company focused on the areas like Airports, Energy, Transportation and Urban Infrastructure. The company annual revenue is 60,648 million INR as on 2021. The headquarters is in India.

INFRATIL invests and owns renewable energy, airport, data & connectivity and social infrastructure businesses in growth sectors. Headquarters is in New Zealand.

As on 2022, INFRATIL has 6,140 employees.

INFRATIL annual revenue generated for period ending Mar-2023 was 1,191 Million AUD.

INFRATIL annual Net Income generated for period ending Mar-2023 was 643 Million AUD.

AUCKLAND INTERNATIONAL AIRPORT is one of the largest airport operating company in New Zealand with headquarters is in Auckland, New Zealand and it was founded in 1966.

It operates three segments, Aeronautical, Retail, and Property.

Aeronautical: It provides services like Aircraft, cargo and passengers.

Retail: It services car parking facility for passengers, Air craft staff and visitors.

Property: It leases cargo buildings.