High-Rise Construction, Residential Construction, Commercial Construction, Dwelling House / Mansion Construction, Rebuilding / Remodeling, Industrial Construction, Hydraulic Engineering Construction, Power Engineering Construction, Irrigation / Drainage Construction, Telecommunication Facilities / Network Construction, Power Line Construction, Industrial / Commercial Modular Construction, Residential Modular Construction, Steel Building Construction, Prefabricated Construction, Wind Power Plants, Corrugated Sheet Roofing, Sheet Metal Roofing, Terracotta Tile Roofing, Bitumen Sheet Roofing, Gutters / Downspouts Installations, Telecommunication and Signaling Systems, Metal Work, Electric Welding, 03.04. Residential / Commercial and Industrial Buildings, Category 1 (03.04), 03.05. Power Supply (Internal and External Power Supply and Lighting Networks / Power Supply Systems / Photovoltaic and Wind Power Plants), Category 1 (03.05), 03.06. HVAC / Gas Supply, Category 1 (03.06), 03.07. Hydraulic Structures, Category 1 (03.07), 03.09. Transportation Structures and Highways (Roads and Railways / Airports / Bridges / Tunnels / Overpasses / Retaining Walls etc.), Category 3 (03.09), 03.10. Communication Systems (Telecommunication and Signaling Systems / Transmitters / Receivers / Antennas / Amplifiers), Category 1 (03.10)

High-Rise Construction, Residential Construction, Commercial Construction, Dwelling House / Mansion Construction, Rebuilding / Remodeling, Reconstruction and Restoration of Historical and Cultural Value Buildings, Industrial Construction, Heavy Civil Construction, Hydraulic Engineering Construction, Power Engineering Construction, Sport Facilities Construction, Scaffolding Rental, Ladders Rental, Scaffolding / Formwork, Mobile Scaffolding / Work Platforms Rental, 03.04. Residential / Commercial and Industrial Buildings, Category 1 (03.04)

Dwelling House / Mansion Construction, Rebuilding / Remodeling, 03.04. Residential / Commercial and Industrial Buildings, Category 1 (03.04)

High-Rise Construction, Residential Construction, Commercial Construction, Dwelling House / Mansion Construction, Rebuilding / Remodeling, Industrial Construction, Heavy Civil Construction, Hydraulic Engineering Construction, Sport Facilities Construction, Residential Modular Construction, Wooden House Construction, Earthworks, Demolition

Residential Construction, Commercial Construction, Dwelling House / Mansion Construction, Rebuilding / Remodeling, Scaffolding Rental, Scaffolding / Formwork, Heavy Construction Equipment Rental, Crane Trucks, Smithery / Metal Art, Residential Renovation / Finishing, Commercial Building Renovation / Finishing, 03.04. Residential / Commercial and Industrial Buildings, Category 1 (03.04)