Sole Director: José Maria Aguirre Fernández; Production Manager: Antonio Álvarez-Cedrón Hernández; Technical and Studies Manager: José Manuel Díez Roncero; Administration and Finance Manager: Manuel Rodríguez Huerta; Human Resources and General Services Manager: Carlos Covo Vicente; Machinery Manager: Javier Del Río Urra; Compliance Manager: María Díaz Suárez; Risk Prevention, Quality and Environment Manager: María Rincón Fernández.

CONSTRUCTION: Railway systems, highways, hydraulic works, buildings, urban developments, environmental works and gas pipelines. Latest railway technology, specialised in construction, renewal, conservation and maintenance of railway infrastructures. Central pool of machinery with its own turn-out in Pancorbo (Burgos). 

Top products: INFRAESTRUCTURE: 1. Remodeling of tracks at the Chamartín station / Extension of HS tracks and passenger building at Chamartín station. MAINTENANCE: 2. Maintenance of track superstructure and platform on railway lines. TRACK: 3. Leaders in Railway Superstructure Works. TRAINING, CERTIFICATION, RESEARCH: 4. Carbon footprint registry.

Main Railway Works:

NATIONAL:

HIGH SPEED RAILWAY LINES:

High Speed Railway Line Madrid – Barcelona – French Border: Section: Trinidad Junction - Montcada (Barcelona) / Track assembly line Figueres – Perpignan; High Speed Railway Line Madrid – Castilla la Mancha - Levante - Murcia: Section: Olalla – Arcas del Villar / Section: Buñol – Cheste / Section Albacete – Alpera bypass / Section: Monforte del Cid - Aspe (Alicante) / Track assembly Section: Gabaldón - Siete Aguas / Track assembly Section: Monforte del Cid – Túnel de Callosa; High Speed Railway Line Madrid - Valladolid: Section: Tres Cantos – Colmenar Viejo / Guadarrama tunnels sections 3 and 4 / Track assembly Section: Segovia - Fuente de la Cruz; High Speed Railway Line North - Northwest Corridor: Section: Ponte Ambia – Taboadela (Orense) / Section: Prado - Porto (Orense) / Track assembly Section: Olmedo - Pedralba de la Pradería; High Speed Railway Line Valladolid – Burgos - Vitoria: Section: Valladolid - Burgos and Venta de Baños - Palencia, subsection: Venta de Baños junction (Palencia) / Track assembly Section: Quintana del Puente – Estépar; High Speed Railway Line Valladolid – Venta de Baños – Palencia – León: Section: South access to Palencia / Track assembly Section: Villada – León; High Speed Railway Line Vitoria – Bilbao - San Sebastián: Section: Durango – Amorebieta - Etxano (Vizcaya); High Speed Atlantic Railway Line: Section: As Maceiras - Redondela (Pontevedra) / Track assembly Section: Vigo Urzaiz - Soutomaior (Pontevedra); High Speed Railway Line Antequera - Granada: Section: Bobadilla Junction – Antequera / Track assembly Section: Antequera – Loja / Antequera High Speed station; High Speed Railway Line Madrid – Extremadura. Track assembly Section: Plasencia – Cáceres / Track renewal. Section: Monfragüe – Plasencia / Track assembly Section: Mérida By-pass; High Speed Railway Line Madrid – Sevilla: Infrastructure improvement works. Section B: Yeles – Guadalmez / Remodelling of tracks at the Puertollano station; Extension and remodelling of the high-speed railway tracks and the passenger building at Chamartín station.

MAINTENANCE OF HIGH SPEED RAILWAY SYSTEMS:

High Speed Railway Line Madrid - Sevilla: Section: Madrid – Adamuz; High Speed Railway Line Madrid - Barcelona - French Border: Section: Madrid – Zaragoza High Speed Railway Line Madrid - Toledo: Section: La Sagra - Toledo; High Speed Railway Line Madrid - Valladolid: Sections: Madrid – Valladolid and Olmedo – Medina del Campo; High Speed Railway Line Madrid – Castilla la Mancha - Levante - Murcia: Sections: Madrid – Valencia and Gabaldón – Albacete – Alicante - Murcia; High Speed Railway Line Madrid - Galicia: Section: Olmedo – Pedralba de la Pradería.

CONVENTIONAL LINES:

ADIF: Section: Castellbisbal/Papiol to Mollet San Fost Adaptation of Iberian Gauqe to International Gauge for both traffics / Track renewal, instalation phase. Section: Villar de Chinchilla-Alpera-Almansa. Madrid-Alicante Line / Mediterranean Corridor. Section: Castellbisbal - Murcia. Subsections: Sant Vicenç de Calders – Tarragona – Nudo de Vilaseca and Fuente de San Luis - Almussafes / Remodelling of tracks and platforms at the Chamartín station (Madrid) / Remodelling of tracks and catenary in the Atocha – Recoletos – Chamartín tunnel / Track renewal. Section: Plasencia del Monte – Ayerbe / Infrastructure improvement works Monforte – Orense Line. Sections: 009+059 -019+798 and 036+524 – 046+229 / Track duplication. Section: Astillero – Orejo.

OTHER RAILWAY AUTHORITIES:

ETS: Infrastructure and trackwork for Loiola-Herrera section in Lasarte-Hendaya Line / / Vitoria Tram System. Section: Abetxuko. 2nd Phase / Works to execute track superestructure construction Project for Bilbao metro line 3. Section 2; GISA: Metro de Barcelona: Track and catenary works of the new L9 of Metro de Barcelona, Section: Terminal South to Ensanche Norte; Metro de Barcelona: Track renewal in line 5. Section: Sagrera – Horta / Track renewal in line 4. Section: Barceloneta – Verdaguer / Track renewal in line 5. Section: Ernest Lluch - Cornellá; Metro de Madrid: Trackworks on line 12. Section 1: Los Espartales - San Nicasio / Track maintenance. Section 1: Sacedal / Track renewal in line 8. Section: Colombia – Pinar del Rey / Track renewal in line 5. Section: Callao – Ópera.

CONVENTIONAL LINES MAINTENANCE:

ADIF: Railway, infrastructure and corrective interventions treatment plan, in lines with iberian track gauge Period: 01/01/2012 - 31/12/2017 Sections A3 GM Madrid-Sur, C3 GM Valladolid and B2 GM Tarragona / Railway, infrastructure and corrective interventions treatment plan, in lines with iberian track gauge (MIV) Period: 01/01/2018 - 31/08/2021 Sections: 1 - Centro, 3 - Norte and 4 – Noreste / Railway, infrastructure and corrective interventions treatment plan, in lines with iberian track gauge (MIV) Period: 01/09/2021 - 31/08/2023 Sections: 5 - Centro and 2 – Norte.

INTERNATIONAL:

POLAND: Line 1: Modernisation of railway line L1 Section: Koluszki – Czestochowa / Line E30: Section: Krzeszowice-Krakow Mydlniki / Line E20/CE20 Modernisation of railway line Siedlce, Lukow and Medzyrecz / Line 226: Construction project for the improvement of the railway access to the Gdansk port / Line 8: Modernisation of Line 8. Section: Warszawa Okęcie – Radom (LOT A, B, F) / Line 131: Project and Works: Modernisation of Line 131. Section: Bydgoszcz-Chorzòw Batory / Line 311: Modernisation of railway line 311. Section: Jelenia Góra - Szklarska Poreba Górna.
USA: Dulles Corridor. Phase 2 Lot B / Workshops and garages. Station of Wachusett and depot facilities located in Westminster - Massachusetts.
CANADÁ: Parking base Lincolnville / Installation of 12.5 km of double track and maintenance base in Ottawa.
COLOMBIA: Railway repair of sections Bogotá-Belencito, La Caro-Zipaquirá and Bogotá-Facatativá.
FRANCE: Toulouse Underground / Gauge changing facilities in Cerbere / Roissy Underground / Montpellier Tramway / Track renewal in Fideac – Bagnac / Renewal of catenaries Paris - Lyon.
ITALY: Turin Underground.
PORTUGAL: Station of Ermesinde / Porto da Figuera da Foz / Duplication and Electrification of section Cete Peñafiel / Mondengo Underground / Station of Coimbra.