Start To print Web map Contact OHL Group Website English SEARCH About us Activity Areas References Press room Welcome to the web portal of EyM - Electrificaciones y Montajes Links of interest Overhead contact line Electrical substations Facilities Maintenance Railway signaling EyM news 04/29/2016 Juan Osuna takes over from José Andrés de Oteyza in the presidency of OHL México The company closed 1Q16 with a solid operating performance and an increase in ... Last News EyM presence Delegations and subsidiaries in the world. Office Directory Directory. Other websites Employment - Send us your CV. It is a company of the OHL Group © Copyright 2012 EyM Instalaciones, SA Legal warning Cookies policy Accessibility Compliant with W3C XHTML 1.0 CSS 2.0 WAI 'AA'