Elecnor SA. 

Elecnor, S.A. engages in the development, construction, and operation of projects and services in Spain and internationally. The company offers energy transports, conversion, and distribution; generates power from wind farms, as well as solar, bioenergy, and hydroelectric plants; Waste management; turnkey construction and maintenance of solar-powered electricity, wind power generation plants generation plants, energy storage plants and maintenance, catenaries, overhead lines, substations and associated systems, signaling, interlocking, communications and control systems, electricity, air conditioning, fire protection, ventilation, automation and control, telecommunications, water treatment facilities, gas transmission and distribution networks, and plumbing and sanitation; installations in industrial and service buildings and facilities; Maintenance of roads and traffic control and road safety facilities; and renovation of non-residential buildings. It also involved in waste management, maintenance of gardens and public spaces, improvement of natural spaces and environmental restoration of riverbeds and riparian areas; oil drilling and extraction; and network works, customer registration, fault resolution, installation and/or replacement of security, automation, and control equipment. Elecnor, S.A. was incorporated in 1958 and is based in Madrid, Spain. Elecnor, S.A. is a subsidiary of Cantiles XXI, S.L.