W.K.-System Leszek Kłos

43.34.Z - Painting and glazing

01.61.Z - Support activities for crop production

01.62.Z - Support activities for farm animal production

01.63.Z - Post-harvest crop activities

41.10.Z - Realization of building projects related to erection of buildings

41.20.Z - Building works related to erection of residential and non-residential buildings

43.11.Z - Demolition

43.12.Z - Site preparation

43.13.Z - Test drilling and boring

43.21.Z - Electrical installation

43.22.Z - Plumbing, heat and air-conditioning installation

43.29.Z - Other construction installation

43.32.Z - Joinery installation

43.33.Z - Floor and wall covering

43.39.Z - Other building completion and finishing

43.91.Z - Roofing activities

43.99.Z - Other specialised construction activities not elsewhere classified

46.90.Z - Non-specialised wholesale trade

47.91.Z - Retail sale via mail order houses or via Internet

47.99.Z - Other retail sale not in stores, stalls or markets