37 Construction, infrastructure and electro-mechanical systems services; Supply, installation, maintenance and repair of infrastructures, parking solutions and parking systems, moving equipment, elevators, cooling systems, advanced security and monitoring systems and dedicated control and control services for a variety of operational needs, gates for indoors and outdoors facilities and fast passages (speedgates), fire detection and extinguishing systems, integrated announcement systems and firemen's telephone, intercom and announcement systems in the analog and digital field, video systems and telecommunication systems; Service center for equipment and hardware support; supply of power generation solutions; Rental, sale, installation, operation and maintenance of generators, ancillary equipment for their installation and connection to the electricity grid; Development, engineering, rental, installation, operation and maintenance services of temporary power plants; Finishing works in construction, including logistics management services for business customers moving to a new building, providing packaging, transportation and rearranging services; elevators service center; elevators technicians services; installation, repair, maintenance of elevators and elevator accessories; provision installation services for elevators in residential, commercial, industrial and construction buildings; Production and installation of lifting, conveying and turning products for industry, freight elevators and hydraulic presses; installation, repair and maintenance of railway tracks; construction of infrastructures including foundation works, pilings (micro piling, second piling) and cellar walls; Construction of transportation centers for trains and buses, elevated and underground train stations, parking lots, office buildings, pumping stations and buildings for transformation rooms; Construction of clean rooms, construction of laboratories, operations rooms, including construction and infrastructure engineering planning; Construction of advanced operating rooms, intensive care units and anesthesia facilities with advanced equipment including all electro-mechanical systems, such as lighting, medical gas systems, sanitation, power supply, HMI, nurse-patient call, communication networks, oxygen supply lines, closed circle TV systems; Installation of special sites including infrastructure and pumping systems for a variety of applications, piping for sewage, channelization and drainage; purification, storage and pumping of water and sewage; construction and development of roads, squares, rockeries and gardening, water reservoirs, sewage treatment, pumping stations for raw sewage and sewage; Industrial piping, sanitary piping, fire extinguishing systems, plumbing systems, sanitary ware and faucets, cold and hot water supply systems, water treatment systems; construction of infrastructure for natural gas routes, maintenance of natural gas facilities; construction of infrastructure stations, system planning, production, supply, assembly and licensing; construction, installation, repair and maintenance of window cleaning facilities, accessibility facilities, carrying and lifting facilities, elevator transport facilities, air conditioning systems and equipment, ventilation, cold rooms, air purification and filtration, electrical and lighting systems, detection and fire protection systems, public announcement systems, security, communication, multimedia, shade control, cyber protection, plumbing, sewage, drainage, heating, industrial piping, steam systems