Chief Executive Officer: Federico Ávila. Chief Corporate and Financial Officer: Andrés Álvarez. Chief Operations Officer (Building and Infrastructure): Jose Alberto Carrasco. Chief Operations Officer (Energy): Rafael Alcón Sáez. Chief Operations Officer (Water): Pedro Almagro Gavilán. Chief Business Development Officer: Luis Manuel Corrales.

Construction and maintenance of railway infrastructure projects (platform, viaducts, tunnels...), track assembly, rail electrification (traction power substations, transformation centers and overhead line) and auxiliary systems.

Top products: ELECTRIFICATION: 1. Railway electrification projects. INFRAESTRUCTURE: 2. Balzola Polska. MAINTENANCE: 3. DSV Construction and Railway Company. TRACK: 4. Manufacture of prestressed and reinforced concrete railway sleepers.

Infrastructure:
- Connection of the Madrid-Barcelona and Madrid-Levante high-speed lines. Construction of a direct branch line linking the Madrid-Barcelona and Madrid-Levante high-speed lines in Madrid, which will enable direct connections between the north-east and the north and north-west of the peninsula. 
- Construction works on the platform construction project. Palencia-Aguilar de Campoo high-speed railway line. Section: Palencia - Palencia Norte. 
- Execution of the works for the construction project of the access to Terminal T4 of Madrid-Barajas Adolfo Suárez airport in standard UIC gauge.
- Execution of bridge repair projects on the Madrid-Barcelona line, Vilanova-Sitges section: bridge over the Riera de Cañellas stream, km 640+674 and bridge over the Torrente de Piera, km 636+562. 
- Execution of the works for the project to repair the bridge over the River Arlanzón I on the Madrid-Hendaye line, Quintana del Puente - Villodrigo section. 
- Execution of the construction project for the extension of track 2 at the southern end of Vic station on the line from Tour de Carol-Enveigt to the Montcada junction (Barcelona).
- Works for the execution of the project to stabilise the earthworks between km. 128+301 and 129+000. Castejón de Ebro - Bilbao line.
- Enlargement of track 3 at Orduña station (Vizcaya).
- Modernization of the Huesca-Canfranc railway lines in two of its sections, the Ribaforada-Tudela line (Navarra) and the Mediterranean Corridor with new sleepers.
- Acoustic protections of the high speed line south zone (Castilla La Mancha and Andalusia).
- Acoustic protections of the high speed line Vitoria-Bilbao-San Sebastian. Section: Bergara-Irun.
- Typsa. Supply of sleepers for the maintenance of the northeast area of the General Interest Railway Network (RFIG), for access to the new Barcelona Airport terminal, adaptation of Can Tunis station (Barcelona), section of Calafell-Gavá and others of Barcelona-Tarragona-France line, Cercanías de Barcelona between Parets del Vallés and La Garriga, maintenance of Metro Bilbao, renovation of turnouts and level crossings for Ferrocarrils de la Generalitat Valenciana FGV, the complete renovation of the Gijón-Laviana (Asturias) and Torralba-Soria (Soria), and the renovation of the sections Plasencia del Monte-Ayerbe, Ayerbe-Calderarenas, Jaca-Canfranc of Huesca-Canfranc line (Huesca), the standard gauge connection to the Mediterranean Corridor of the Llagosta Multimodal Platform (Barcelona) and the remodelling of the Montcada-Bifurcación station (Barcelona).
- Modernization of the Plovdiv-Skutare and Plovdiv-Krumovo railway lines and the Plovdiv railway junction in Bulgaria. Renovation of distribution stations, design and construction of the platform, track systems, catenary, and signalling and telecommunications systems.
- Modernization of the Voliujak-Petarch railway section in Bulgaria. The works will involve the modernization of 12 km of track between Voluyak and Petarch to adapt the speed of trains to 160 km/h, which requires the construction of new layouts with civil works for the platform and structures, the renovation of the railway track and the traction and catenary system. Renovation of the station in the town of Kostinbrod, renovation and construction of pedestrian underpasses and a bus stop.

Building construction:
- Construction of the new Albal (Valencia) train station. Construction of two buildings, located at the head of both platforms of 423 m2 each, with access control on both sides and communicated by an underpass.
- Accessibility improvement works at the Ramón y Cajal commuter train station in Madrid.
- Works on the construction project to improve accessibility at Navalperal de Pinares station (Ávila).
- Works on the construction project to improve accessibility between platforms at Valdepeñas station (Ciudad Real).
- Renovation project for the mechanical equipment operations rest module in the tunnels of the Algeciras Maritime Station.
- New Valladolid railway complex. Phase II.

Electrification:
- Electrification of the Madrid-Extremadura high-speed corridor. Erection of the overhead contact line (catenary) between Plasencia and Peñas Blancas (125 km).
- Construction of traction power substations for the Pajares bypass: 20kV Transmission line, GIS 400kV substation, 32 transformation centers and 2 20kV autotransformation centers, including telecontrol and maintenance.
- Commissioning of the Tomeza electrical substation (Pontevedra). Supply of equipment to the existing installation for its conversion into a traction substation that will feed the A Coruña-Vigo Atlantic axis.
- Construction of 400kV Transmission line in Totana. 
- Overhead contact line on the section Sagrera–Mollet–Granollers (Barcelona).
- Pre-construction engineering for the Las Vegas-Los Angeles High Speed Rail project.

Metro and Tram:
- Works on the technical branch of the northern section of line 3 of the Seville Metro.
- Renovation works on Line 1 of Metrovalencia. Replacement of the existing turnouts with their drives and modification of interlockings and centralised traffic control systems (CTC). Track renewal will also be carried out on several branches and level crossings will be renovated. Replacement of 45 turnouts, the supply and installation of 14,374 prestressed concrete monoblock sleepers and the supply and installation of 24,932 m3 of ballast.
- Modernisation of the tramway track, street reconstruction and water and infrastructure services on the section Pl. Bp. Snore to Ul. Podgórna in Torun (Poland). 
-Reconstruction of the Lodz tramway line. Legionow Street. Sections I, II and III. Lodz (Poland).
- 1.3 km double tramway line with three stations along its route on Gagarina Street in the city of Warsaw (Poland).
- Modernisation on the section between Chrapka Street and UI in Podgone (Poland). 
- Tram line from Aleja Niepodleglosci to Pulawska Street (Poland).
- Tram line to the Jar housing estate in Toruń - part A, B and C (Poland)
- Modernization of the Bydgoska tram line (Poland).
- Reconstruction of tram crossings Bielany in Warsaw (Poland).

Maintenance:
- Preventive and corrective maintenance and auxiliary works of the different electrification facilities of the conventional network in the eastern area of Spain: overhead contact line, traction substations and high voltage power supply lines to traction substations.
- Albacete-Alicante signaling maintenance. Several maintenances works in a line with 160km of double lane.
- Adaptation of traction substations and their high voltage power lines in conventional network to comply with Adif regulations in the Northeast, South, Center and North areas.
- Maintenance of Albacete-Alicante signalling. Actions on a double-rail line with two maintenance bases located in Monforte and Bonete.
- Maintenance service for the contact line, auto-transformer and remote control energy installations, including the installations associated with the high-speed section between Chamartín and Torrejón de Velasco.