Umberto Vallarino

Triângulo do Sol Auto-Estradas SA is engaged in the management, operation, and maintenance of highways in the state of São Paulo. It repairs, engineers, and constructs road infrastructure, including overpasses and safety measures, and oversees medical emergency and traffic support. The company was founded on April 29, 1998 and is headquartered in Matão, Brazil.

Azzurra Aeroporti SpA operates as an investment holding company. The company is headquartered in Rome, Italy.

Tangenziale Esterna SpA engages in the planning, implementation and management of motorway concessions. It operates the Tangenziale Est Esterna highway in the province of Milan. The company was founded on January 14, 2009 and is headquartered in Milan, Italy.

Part of ASTM SpA, Tangenziali Esterne di Milano SpA is an Italian company that constructs roads and highways. The company is based in Milan, Italy. The company was founded in 2002. The CEO is Paolo Pierantoni. Tangenziali Esterne di Milano was acquired by Società Iniziative Autostradali e Servizi SpA on December 31, 2017 for $70.49 million.

AB Concessões SA operates as a holding company with interests in highway and toll concessions. Its solutions include operational control center, general supervisory station, operating bases, tolls, and user support. The company was founded in 2012 and is headquartered in Sao Paulo, Brazil.