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
Real estate development of new houses or alterations
Terracing work: digging, grading of construction sites, opening of trenches, removal of rocks, destruction with explosives, etc.
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.
Other work of n.e.s. installation, including accessories installation
Work of general installation
Other works of finishing in buildings n.e.s.
Making of repointing works
Chimney sweeping and cleaning of hearths, ovens, incinerators, boilers, air ducts and smoke removal appliances
Development of non-residential building projects
Plumbing works
Installation of heating, air-conditioning and ventilation
Other types of works with regard to the completion of buildings
Other types of cleaning of buildings; industrial cleaning