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, Power Engineering Construction, Highway Construction, Asphalting, Power Line Construction, Water-Supply Construction, Sewage Construction, Heating Systems Installation, Ventilation Systems Installation, Water Supply / Sewage Work - Indoor / Plumbing, Water Supply / Sewage Work - Outdoor, Pumping Station Construction, Electrical Work / Indoor, Electrical Work / Outdoor, Lighting Systems, Power Supply Systems Installation, 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), 03.06. HVAC / Gas Supply, Category 1 (03.06), 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)

High-Rise Construction, Residential Construction, Commercial Construction, Dwelling House / Mansion Construction, Rebuilding / Remodeling, Asphalting, Prefabricated Construction, Earthworks, Waterproofing, Pouring Concrete, Pouring Foundations / Footings, Pouring Concrete Frame Structures, Concrete Pump Services, 03.04. Residential / Commercial and Industrial Buildings, Category 1 (03.04), 03.09. Transportation Structures and Highways (Roads and Railways / Airports / Bridges / Tunnels / Overpasses / Retaining Walls etc.), Category 3 (03.09)