DK EKSPERT DARIUSZ KOSTRZEWA

71.12.B - Engineering activities and related technical consultancy

41.00.A - Construction work related to the construction of residential buildings

41.00.B - Construction work related to the construction of non-residential buildings

42.11.Z - Works related to the construction of roads and highways

42.12.Z - Works related to the construction of railways and underground railways

42.13.Z - Works related to the construction of bridges and tunnels

42.21.Z - Works related to the construction of transmission pipelines and distribution networks

42.22.Z - Works related to the construction of telecommunications and electrical lines

42.91.Z - Works related to the construction of water engineering objects

42.99.Z - Works related to the construction of other civil engineering and water engineering objects, not classified elsewhere

43.11.Z - Demolition and destruction of buildings

43.12.Z - Site preparation for construction

43.13.Z - Performing excavations and geological-engineering drilling

43.21.Z - Installation of electrical systems

43.22.Z - Installation of plumbing, heating, and air-conditioning systems

43.23.Z - Installation of insulation

43.24.Z - Installation of other building systems

43.31.Z - Plastering

43.32.Z - Installation of building carpentry

43.33.Z - Flooring, wallpapering, and cladding of walls

43.34.Z - Painting and glazing

43.35.Z - Performing other finishing construction works

43.41.Z - Performing roof structures and coverings

43.42.Z - Performing other specialized construction works related to the construction of buildings

43.50.Z - Specialized construction works in the field of civil and water engineering

43.60.Z - Intermediation in specialized construction services

43.91.Z - Masonry works

43.99.Z - Other specialized construction works, not classified elsewhere

68.12.A - Development of residential building projects

68.12.B - Development of non-residential building projects

68.12.C - Development of building projects

68.20.Z - Rental and management of own or leased real estate

68.32.B - Other real estate activities on behalf of third parties, not elsewhere classified

71.11.Z - Architectural activities

71.12.A - Engineering activities and related technical consultancy

71.20.B - Inspection and issuing opinions on the technical condition of chimneys and ventilation ducts

71.20.C - Other technical testing and analysis

74.12.Z - Graphic design and visual communication activities

74.13.Z - Interior design activities

74.14.Z - Other specialized design activities

77.31.Z - Rental and leasing of agricultural machinery and equipment

77.32.Z - Rental and leasing of construction machinery and equipment

77.33.Z - Rental and leasing of office machinery and equipment, including computers

81.10.Z - Auxiliary activities related to maintaining buildings

81.21.Z - General cleaning of buildings

81.22.A - Chimney, hearth, furnace, and ventilation duct cleaning

81.22.B - Other cleaning of buildings and industrial premises, not elsewhere classified

81.23.A - Disinfection, pest control, and rodent extermination services

81.23.B - Other cleaning services, not elsewhere classified

81.30.Z - Landscaping services

82.10.Z - Office administrative support activities, including related services