KRZYSZTOF BARWICZ -KRIS LAS

02.20.Z - Logging

01.19.Z - Other crop production not including perennials

01.29.Z - Cultivation of other perennial plants

02.10.Z - Forest management and other forest-related activities, excluding logging

02.30.Z - Collection of wild products from forests, excluding timber

02.40.Z - Service activities related to forestry

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

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

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

43.91.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

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