Maciej Węgrzynowski

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

01.61.Z - Service activities supporting crop production

01.62.Z - Service activities supporting animal husbandry

01.63.Z - Post-harvest services and seed processing for plant propagation

01.64.Z - Crop and animal production, hunting and related service activities

25.61.Z - Production of cutlery and knives

25.62.Z - Production of locks and hinges

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

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

43.29.Z - Specialized construction works

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

43.39.Z - Specialized construction works

43.91.Z - Masonry works

81.10.Z - Auxiliary activities related to maintaining buildings

81.21.Z - General cleaning of buildings

81.22.Z - Other cleaning of buildings and industrial premises

81.29.Z - Services related to maintaining buildings and landscaping

81.30.Z - Landscaping services