Construction of natural gas pipelines and facilities.

Construction of power plants and electricity networks.

Construction and installation of interior and exterior water supply and sanitation.

Wastewater treatment and water treatment.

Internal heating.

Hot water and steam boiler plants.

Biomass boiler plants (briquettes, pellets, straw bales,wood, coal).

Construction of buildings with a height of up to two levels including finishing works.

Landscaping works.