P.U. Ertech Janusz Kowalczyk

43.32.Z - Joinery installation

33.11.Z - Repair and maintenance of fabricated metal products

33.14.Z - Repair and maintenance of electrical equipment

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

38.11.Z - Collection of non-hazardous waste

38.12.Z - Collection of hazardous waste

38.31.Z - Dismantling of wrecks

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

42.99.Z - Works related to construction of other civil engineering projects not elsewhere classified

43.11.Z - Demolition

43.12.Z - Site preparation

43.21.Z - Electrical installation

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

43.29.Z - Other construction installation

43.31.Z - Plastering

43.33.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

46.43.Z - Wholesale of electrical household appliances

46.49.Z - Wholesale of other household goods

46.51.Z - Wholesale of computers, peripheral equipment and software

46.52.Z - Wholesale of electronic and telecommunications equipment and parts thereof

46.66.Z - Wholesale of other office machinery and equipment

46.75.Z - Wholesale of chemical products

46.90.Z - Non-specialised wholesale trade

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

49.41.Z - Freight transport by road

49.42.Z - Removal services

52.21.Z - Service activities incidental to land transportation

53.20.Z - Other postal and courier activities

56.21.Z - Event catering activities

56.29.Z - Other food service activities

70.22.Z - Business and other management consultancy activities

71.12.Z - Engineering activities and related technical consultancy

73.12.B - Intermediation in the sale of the place on advertising aims in printed media

73.12.C - Intermediation in the sale of the place on advertising aims in electronic media (Internet)

73.12.D - Intermediation in the sale of the place on advertising aims in other media

74.20.Z - Photographic activities

74.90.Z - Other professional, scientific and technical activities not elsewhere classified

78.10.Z - Activities of employment placement agencies

78.30.Z - Other human resources provision

79.90.C - Other reservation service activities not elsewhere classified

80.10.Z - Private security activities, excluding security systems service activities

80.20.Z - Security systems service activities

81.10.Z - Combined facilities support activities

81.21.Z - General cleaning of buildings

81.22.Z - Specialised building and industrial cleaning activities

81.29.Z - Other cleaning activities

81.30.Z - Landscape service activities

85.59.B - Other out-of-school forms of education, not elsewhere classified

95.22.Z - Repair and maintenance of household appliances and home and garden equipment

95.24.Z - Repair and maintenance of furniture and home furnishings

96.09.Z - Other personal service activities not elsewhere classified