High-Rise Construction, Residential Construction, Commercial Construction, Dwelling House / Mansion Construction, Rebuilding / Remodeling, Industrial Construction, Heavy Civil Construction, Hydraulic Engineering Construction, Power Engineering Construction, Highway Construction, Asphalting, Power Line Construction, Water-Supply Construction, Sewage Construction, Industrial / Commercial Modular Construction, Residential Modular Construction, Earthworks, Demolition, Heating Systems Installation, Ventilation Systems Installation, Air-Conditioning Installation, Water Supply / Sewage Work - Indoor / Plumbing, Water Supply / Sewage Work - Outdoor, Melioration Systems, Electrical Work / Indoor, Electrical Work / Outdoor, Lighting Systems, Power Supply Systems Installation, Wind Power Plants, 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), 03.08. Water Supply and Drainage / Melioration Systems, Category 2 (03.08), 03.09. Transportation Structures and Highways (Roads and Railways / Airports / Bridges / Tunnels / Overpasses / Retaining Walls etc.), Category 2 (03.09)

Hydraulic Engineering Construction, Bridge Construction, Highway Construction, Asphalting, Water-Supply Construction, Sewage Construction, Earthworks, Pumping Station Construction, Natural Gas Supply, Waterproofing, Terracotta Tile Roofing, Landscaping, Irrigation Systems, Automatic Irrigation Systems, Residential Renovation / Finishing, 03.04. Residential / Commercial and Industrial Buildings, Category 1 (03.04), 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)