Installation of secondary power supply systems (electrical generators)
Setting of electric cables and appliances
Setting of monitoring systems and alarms against housebreakings
Installation in buildings or in other projects of building of: pumbling systems and hygiene appliances, pipes for gas and water (except for heating), setting of automatic extinguishers, etc.
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
Installation of private swimming pools
Design and realization of projects interesting electric and electronic engineering, mining, chemical and industrial engineering, the engineering of systems, security technics, etc.
Development of projects requiring acoustic engineering, technics of air-conditioning, cooling, refrigeration, sanitation and fight against pollution, etc.
Development of projects with activities related to civil or building engineering, hydraulic engineering or traffic technic
Repair of household appliances
Repair of electronic and optical equipment
Repair of electronic devices
Electro-technical installation works at buildings
Electro-technical installation works, with the exception of those executed at buildings
Plumbing works
Engineers and similar technical advisors, with the exception of surveyors
Other types of business services
Repair of domestic devices and of equipment used in house and in the garden
Installation of heating, air-conditioning and ventilation