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.
Setting of electrical installations of heating
Construction of office buildings
Construction of other types of non-residential buildings
Plumbing works
Installation of heating, air-conditioning and ventilation
Other types of works with regard to the completion of buildings
Other types of specialised building activities
Trade in own real estate
Construction of residential buildings
Repair and maintenance of house boilers
Realization of individual houses' carcass
Making of the carcass of building with several rooms (apartments, etc.)