Antonio Herrera Bustamante

Founded in 1975, Autopista Concesionaria Astur-Leonesa SA is a Spanish toll motorway maintenance company that operates the Campomanes-Leon toll motorway between Asturias and the Castillian plateau. The company is based in Llanera, Spain and is part of Itinere Infraestructuras SA /Private Group 2/.

Itínere Infraestructuras SA engages in the engineering, construction, maintenance, and operation of civil infrastructure. Its projects include water treatment facilities, parking complexes, highways, tunnels, and bridges. The company was founded on May 21, 1968 and is headquartered in Madrid, Spain.

Vantage Airport Group Ltd. develops and manages airport networks. It offers airport and air service marketing, capital project management, commercial development, risk management, process engineering and operations. The company was founded in 1994 and is headquartered in Vancouver, Canada.

Founded in 2007, Citi Infrastructure Investors is a private equity firm located in New York City with an additional office in London. They manage the Citi Infrastructure Partners LP. The firm is a subsidiary of Citigroup Alternative Investments LLC and their ultimate parent is Citigroup, Inc. (NYSE: C).

Corsair Infrastructure Partners LP (Corsair Infrastructure) is a private equity subsidiary of Corsair Capital LLC founded in 2015. The firm is headquartered in New York with an additional office in London.