"DELTA" B. J. JERZY BARTNIAK

42.22.Z - Works related to construction of telecommunications and electricity lines

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

43.34.Z - Painting and glazing

43.39.Z - Other building completion and finishing

43.99.Z - Other specialised construction activities not elsewhere classified

71.11.Z - Architectural activities

71.12.Z - Engineering activities and related technical consultancy

71.20.B - Other technical testing and analysis

80.20.Z - Security systems service activities

81.21.Z - General cleaning of buildings

81.22.Z - Specialised building and industrial cleaning activities

81.29.Z - Other cleaning activities