Alicia Sandoval Quezada

Sociedad Concesionaria Melipilla SA constructs bridges and highways by contract. The company is headquartered in Santiago, Chile.

Inversora de Infraestructuras SL provides road construction and management services. Its interests focus on the transport infrastructure industry, particularly motorway engineering, construction and concessions. The company was founded on June 13, 1981 and is headquartered in Barcelona, Spain.

Sociedad Concesionaria Autopista Central SA operates and maintains network of motorways linking Chile to countries along the western coast of South America. It provides infrastructure engineering, construction, and repairs, as well as toll collection services, roadside assistance, and service stations. The company was founded on February 22, 2001 and is headquartered in San Bernardo, Chile.

Sociedad Concesionaria del Elqui S.A. is a construction company. It engages in the construction and operation, and provision of ancillary services. The company was founded on 2 June, 1997 and is headquartered in Santiago, Chile.

Abertis Autopistas Chile Ltda is an engineering company. It is engaged in the management of mobility and telecommunications infrastructures. The company is headquartered in Santiago, Chile.