Installation of secondary power supply systems (electrical generators)
Setting of monitoring systems and alarms against housebreakings
Work of general installation
Assembling of inside and outside metallic woordworks: doors, windows, frames for windows and doors, stairs, closets for equipped kitchens, shop equipments, etc.
Setting of screeds
Building of coolers, vaults, etc.
Other types of building installations
Carpentry
Works with cement concrete
Rental and exploitation of own or leased non-residential real estate, with the exception of social housing
Architects
Installation of industrial machines, devices and equipment