Grupo Ezentis, S.A. operates telecommunications and energy infrastructures. The company provides operation and maintenance services for fixed and mobile telecommunications infrastructure networks, such as evaluation, design and engineering for networks of optical fibre, multi-pair, and structured cabling; civil engineering work for pipes and fiber-optic cameras and multi-pair cables; remodeling and recovery services for customer premise equipment; maintains, installs, and constructs mobile radio base stations for mobile networks; designs, installs, and maintains DAS systems and indoor covers in buildings; manages multi-service networks; develops OSS for telecoms operators; and installs and maintains energy equipment for telecommunication centers. It offers various energy services, such as operation, construction, and maintenance of transmission and distribution lines, electricity substations, and transformation centers; smart grids; line services; civil and electromechanical works; construction and maintenance of public lighting networks. In addition, the company offers network engineering and implementation, network security and management, consultancy/PMO, and geographical information systems, as well as systems design, architecture, and development services; and alarm systems, access and presence control systems, security installations maintenance, protection against theft, perimeter protection solutions, closed circuit TV, fire detection systems, security audit, and customized security solutions. The company was incorporated in 1959 and is headquartered in Seville, Spain. Address: Calle AutomociOn No. 26-28, Seville, Spain, 41007