MMe MAREK MACIEJEWSKI

43.21.Z - Installation of electrical systems

33.20.Z - Installation of industrial machinery, equipment, and devices

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

43.11.Z - Demolition and destruction of buildings

43.12.Z - Site preparation for construction

43.13.Z - Performing excavations and geological-engineering drilling

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

43.23.Z - Installation of insulation

43.31.Z - Plastering

43.35.Z - Performing other finishing construction works

43.91.Z - Masonry works

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

68.12.A - Development of residential 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