Alberto Diaz Pena

Autopistas de Navarra SA engages in the construction, operation and upkeep of AP-15, the motorway linking the Ebro highway in the south with the San Sebastián and Vitoria highways in the north. The company was founded in 1973, and is based in Tajonar, Navarra.

ENA Infraestructuras SA engages in the planning, projection construction, conservation, maintenance, financing, and exploration of highways, roads, high-speed roads, bridges, and tunnels. The firm also specializes in toll and service station maintenance, as well as the provision of advisory and support services for the administration, coordination, and implementation of policies and financial management. The company was founded on March 21, 1984 and is headquartered in Madrid, Spain.

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.

AP-1 Europistas Concesionaria Del Estado SA is a roads construction company. It is engaged in the construction, conservation and exploitation of motorway AP-1 Burgos - Armiñón. The company was founded on February 27, 2007 and is headquartered in Burgos, Spain.

Enaitinere SA provides financial services. The company was founded on June 16, 2003 and is headquartered in Madrid, Spain.

Bip & Drive SA provides electronic toll system. It offers Via-T, an interoperable electronic toll system that enables to pay tolls without stopping vehicle. The company was founded on March 18, 2014 and is headquartered in Madrid, Spain

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/.