High-Rise Construction, Residential Construction, Commercial Construction, Rebuilding / Remodeling, Industrial Construction, Hydraulic Engineering Construction, Power Engineering Construction, Tunnel Construction, Bridge Construction, Highway Construction, Power Line Construction, Water-Supply Construction, Earthworks, Drilling Works, Pumping Station Construction, Electrical Work / Indoor, Electrical Work / Outdoor, Renewable Energy Supply / Installations, Irrigation Systems, Gasoline / Gas Stations Construction, Residential Renovation / Finishing, Commercial Building Renovation / Finishing, Industrial / Heavy Civil Facilities Renovation / Finishing, 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 2 (03.05), 03.07. Hydraulic Structures, Category 3 (03.07), 03.08. Water Supply and Drainage / Melioration Systems, Category 1 (03.08)

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)

Hydraulic Engineering Construction, Power Engineering Construction, Irrigation / Drainage Construction, Bridge Construction, Highway Construction, Asphalting, Earthworks, 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), 03.07. Hydraulic Structures, Category 1 (03.07), 03.08. Water Supply and Drainage / Melioration Systems, Category 1 (03.08), 03.09. Transportation Structures and Highways (Roads and Railways / Airports / Bridges / Tunnels / Overpasses / Retaining Walls etc.), Category 1 (03.09)