Work of maintenance and mechanical repairs for third parties
Terracing work: digging, grading of construction sites, opening of trenches, removal of rocks, destruction with explosives, etc.
Making of horizontal drillings for cables or pipes
Setting of electric cables and appliances
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
Work of insulation of pipes for heating or cooling
Other work of n.e.s. installation, including accessories installation
Other works of finishing in buildings n.e.s.
Wholesale trade of appliances for heating
Wholesale trade of equipments for sanitory systems and central heating: pipes, pipe fittings, tabs, rubber pipes, etc.
Development of projects requiring acoustic engineering, technics of air-conditioning, cooling, refrigeration, sanitation and fight against pollution, etc.
Chimney sweeping and cleaning of hearths, ovens, incinerators, boilers, air ducts and smoke removal appliances
Installation of heating, air-conditioning and ventilation
Insulation works
Other types of building installations
Other types of specialised building activities
Wholesale in installation materials used by plumbers and for the installation of heating
Retail trade in electronic domestic devices in specialised shops
Electro-technical installation works, with the exception of those executed at buildings