KRZYSZTOF SZEJNA TECH-FILTR-PHU

74.10.Z - Specialised design activities

25.61.Z - Treatment and coating of metals

25.62.Z - Mechanical working of metal elements

28.25.Z - Manufacture of industrial cooling and ventilation equipment

33.12.Z - Repair and maintenance of machinery

33.20.Z - Installation of industrial machinery and equipment and outfit

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

42.11.Z - Works related to construction of roads and motorways

43.11.Z - Demolition

43.12.Z - Site preparation

43.31.Z - Plastering

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

45.11.Z - Sale of cars and light motor vehicles

45.20.Z - Maintenance and repair of motor vehicles, excluding motorcycles

46.69.Z - Wholesale of other machinery and equipment

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

49.41.Z - Freight transport by road