Daniel Antunez

Administrador de Infraestructuras Ferroviarias is a public entity engaged in the operation and maintenance of the railway transportation systems and infrastructure of Spain. Its responsibilities include the collection of fees for infrastructure, station, and freight terminal use, and the distribution of capacity to rail operators. The company was founded in 1941 and is headquartered in Madrid, Spain.

Techint SA provides construction and engineering services. It services also include procurement, operation and management for large-scale projects. The firm serves oil and gas, energy, industrial plants, oil refineries and petrochemical plants, mining, and infrastructure and architecture civil works market segments. The company was founded by Agostino Rocca in 1945 and is headquartered in Buenos Aires, Argentina.