JK PROJEKT JACEK KOWALCZYK

71.12.Z - Engineering activities and related technical consultancy

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

43.31.Z - Plastering

43.32.Z - Joinery installation

43.33.Z - Floor and wall covering

43.34.Z - Painting and glazing

43.39.Z - Other building completion and finishing

43.91.Z - Roofing activities

43.99.Z - Other specialised construction activities not elsewhere classified

68.10.Z - Buying and selling of own real estate

68.20.Z - Rental and operating of own or leased real estate

68.31.Z - Real estate agencies

68.32.Z - Management of real estate on a fee or contract basis

77.32.Z - Rental and leasing of construction machinery and equipment

77.33.Z - Rental and leasing of office machinery and equipment, including computers