MICHAŁ WITKOWSKI DOBRY SĄSIAD

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

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

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

43.12.Z - Site preparation for construction

43.13.Z - Performing excavations and geological-engineering drilling

43.23.Z - Installation of insulation

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

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

68.12.B - Development of non-residential building projects

68.12.C - Development of building projects

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

91.30.Z - Conservation and restoration activities and other supporting activities for cultural heritage

95.22.Z - Repair and maintenance of household appliances and equipment for household and gardening use

96.99.Z - Other individual services not classified elsewhere