Amberg Infraestructuras S.A. is a specialised engineering firm for the design and project management of underground works. Amberg Infraestructuras S. A. develops all types of studies and engineering projects, especially in geotechnics, tunnels and embankments, as well as the promotion, implementation, management of all kinds of public and private works on national or international level. Amberg Infraestructuras S. A. belongs to the AMBERG Group ( that was founded in 1965, with subsidiaries in 10 countries and up to 400 employees worldwide. The Spanish working center is located in Alcobendas-Madrid.