J-tech Jan Skrzypczak

43.99.Z - Other specialised construction activities not elsewhere classified

22.19.Z - Manufacture of rubber items

22.21.Z - Manufacture of plastic plates, sheets, tubes and profiles

22.22.Z - Manufacture of plastic packing goods

22.23.Z - Manufacture of builders’ ware of plastic

22.29.Z - Manufacture of other plastic products

23.61.Z - Manufacture of concrete products for construction purposes

23.62.Z - Manufacture of plaster products for construction purposes

23.69.Z - Manufacture of other articles of concrete, plaster and cement

28.29.Z - Manufacture of other general-purpose machinery notelsewhere classified

43.21.Z - Electrical installation

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

43.29.Z - Other construction installation

43.31.Z - Plastering

43.34.Z - Painting and glazing

43.39.Z - Other building completion and finishing

43.91.Z - Roofing activities

45.11.Z - Sale of cars and light motor vehicles

61.20.Z - Wireless telecommunications activities, excluding satellite telecommunications activities

77.11.Z - Rental and leasing of cars and light motor vehicles

81.22.Z - Specialised building and industrial cleaning activities

81.29.Z - Other cleaning activities