Setting of telecommunication systems and computer installations
Setting of monitoring systems and alarms against housebreakings
Installation in buildings or in other projects of building of: heating systems by electricity, gas and fuel, boilers, materials and pipes for ventilation and air conditioning, etc.
Installation in buildings or in other projects of building of: heating, cooling and ventilation systems (except heating)
Setting of electrical installations of heating
Electro-technical installation works at buildings
Other services related with information technology and computers
Electro-technical installation works, with the exception of those executed at buildings
Installation of heating, air-conditioning and ventilation