Industrial Construction, Heavy Civil Construction, Highway Construction, Asphalting, Earthworks, 03.04. Residential / Commercial and Industrial Buildings, Category 1 (03.04), 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)

High-Rise Construction, Residential Construction, Commercial Construction, Dwelling House / Mansion Construction, Rebuilding / Remodeling, Reconstruction and Restoration of Historical and Cultural Value Buildings, Highway Construction, Heating Systems Installation, Water Supply / Sewage Work - Indoor / Plumbing, Water Supply / Sewage Work - Outdoor, Melioration Systems, Electrical Work / Indoor, Electrical Work / Outdoor, Wind Power Plants, Burglar Alarm Installation, Video Surveillance, Access Control Systems, Intercom Systems / Local Networks, Data Centers Equipment Installation, Data Centers Construction, Telecommunication and Signaling Systems, 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), 03.08. 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), 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, 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), 03.06. HVAC / Gas Supply, Category 2 (03.06), 03.07. Hydraulic Structures, Category 1 (03.07), 03.08. Water Supply and Drainage / Melioration Systems, Category 1 (03.08)

Electrical Work / Indoor, Electrical Work / Outdoor, Lighting Systems, Burglar Alarm Installation, Video Surveillance, Fire Alarm Installation, Fire Suppression Installation, Access Control Systems, Intercom Systems / Local Networks