Rolled Roofing, Sheet Metal Roofing, Polycarbonate / Glass Roofing, Gutters / Downspouts Installations, Raised Floor Installation, Underfloor Heating Systems, Smart House Systems, Landscaping, Irrigation Systems, Automatic Irrigation Systems, Pergola / Pavilion / Summerhouse Construction, Plant Cultivation, Facade Glazing / Curtain Walls, Aluminum Composite Panel Facing, Glass Stairs, Metal Work

01.05. Power Supply (Internal and External Power Supply and Lighting Networks / Power Supply Systems / Photovoltaic and Wind Power Plants), Category 1 (01.05), 01.06. HVAC / Gas Supply, Category 1 (01.06), 01.08. Water Supply and Drainage / Melioration Systems, Category 1 (01.08)

Heating Systems Installation, Ventilation Systems Installation, Air-Conditioning Installation, Refrigeration Installation, Water Supply / Sewage Work - Indoor / Plumbing, 01.06. HVAC / Gas Supply, Category 1 (01.06), 01.08. Water Supply and Drainage / Melioration Systems, Category 1 (01.08), 03.06. HVAC / Gas Supply, Category 1 (03.06), 03.08. Water Supply and Drainage / Melioration Systems, Category 1 (03.08)