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Enclavamientos y Señalización Ferroviaria ENYSE, S.A.U.

Versión en castellano

Postal address Valportillo II, 8b.
Polígono Industrial Alcobendas.
E-28108 Alcobendas. Madrid. España.
Telephone +34 91 490 13 83 Fax +34 91 661 92 96 E-mail Web
Company data
Management team

General Manager, José Luis Domingo; Business Director for Spain and Chile, Leopoldo Olea; Technical Director, David Sanz; International Business Development Director, Javier Quijada; Human Resources Director, Marisa Montero.

Main products and services

Safety solutions and telecommunication systems for railway applications. EiS23 electronic interlocking. ENYSIC Centralized Traffic Control. Systems for control of low traffic lines. E-300 protection systems for level crossings. SCADA and maintenance centralization systems. LED-type wayside signals. Integration and maintenance services.



Top products: SIGNALLING: 1. EiS23 Electronic Interlocking System. 2. Integrated Systems of Centralized Traffic Control (ENYSIC).


Activity Enyse is a Signalling company belonging to the Industrial Services division of the ACS group. Enyse has the ability to work in all phases of a project, from conception and design to manufacturing and maintenance of Safety installations, both for proprietary and subcontracted technologies. Enyse´s human capital, track record and relationship with the ACS railway companies make it capable of offering also a wide range of systems and services including Signalling but also power, telecoms or the maintenance of all electromechanical systems along any type of railway line - conventional, freight or high speed.

Activities by year

Activities in 2019:

Awards: Signalling and electronic interlocking for Alfás del Pi station (FGV); Torrelavega-Santander line (Adif), Canfranc station (Acciona), Sagunto-Teruel line (Adif), Mataporquera-Bárcena line (Adif), Guillarei-Tui line (Adif), Antequera station (TECSA/Dragados consortium).

Work in progress: Signalling and Electrification for the Salamanca-Fuentes de Oñoro line (in consortium with SEMI, for Adif). Signalling and telecomms for Coronel extension project (FESUR, Chile).  Maintenance for the Signalling and telecommunication systems for the Murcia Cargas–Lorca section (Adif). Maintenance of interlockings and level crossings in Alameda-Chillán section (in consortium with SEC, for EFE, Chile). Signalling for the Thenia-Tizi Ouzou line and its electrification until Oued Aissi (in consortium with Teixeira Duarte for ANESRIF, Argelia).


Innovations in 2019: Radio-based Level Crossing protection system, using new technologies to increase the energy efficiency and reduce installation costs – it uses a frequency-protected band to communicate the track side equipment with the Level Crossing itself.

Areas Spain, Latin America (Chile, Brazil, Mexico, Argentina); Middle East & North Africa (Algeria, Egypt, Turkey, Saudi Arabia), Asia Pacific.

Certifications Quality: Certificate ISO 9001:2008 nº ES063824-1 Bureau Veritas.
Environment: Certificate ISO 14001:2004 nº ES063825-1 Bureau Veritas.
Security: Certificate OHSAS 18001:2007 nº ES063793-1 Bureau Veritas.

Net revenues 30.000 (in thousand Euros)
No. of employees 120
R&D Investment 8% of turnover
Activities Electrification, Maintenance, Others, Signalling, Telecommunication.
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