TOMASZ WALCZAK

43.39.Z - Specialized construction works

41.10.Z - Construction work related to the construction of residential and non-residential buildings

41.20.Z - Construction work related to the construction of residential and non-residential buildings

43.11.Z - Demolition and destruction of buildings

43.12.Z - Site preparation for construction

43.21.Z - Installation of electrical systems

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

43.91.Z - Masonry works

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

46.19.Z - Activity of agents involved in wholesale trade of non-specialized goods

47.52.Z - Retail sale of small metal products, building materials, paints, and glass

47.99.Z - Retail trade

81.29.Z - Services related to maintaining buildings and landscaping

82.11.Z - Office administrative support activities and other business support services