Design, building and installation of piping networks, including a complementary treatment of pipes to realize mainly pipes or networks under pressure
Repair and maintenance of house boilers
Making of horizontal drillings for cables or pipes
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)
Chimney sweeping and cleaning of hearths, ovens, incinerators, boilers, air ducts and smoke removal appliances
Installation of heating, air-conditioning and ventilation
Insulation works
Retail trade in sanitary products and sanitary installation materials in specialised shops
Construction of civil-technical works for liquids
Various administrative services for offices
Other types of education
Vocational training
Plumbing works
Rental and lease of machines and installations used in the building industry, road works and water works
Other types of cleaning of buildings; industrial cleaning