Marek Czerwiński

96.09.Z - Other personal service activities not elsewhere classified

43.21.Z - Electrical installation

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

43.29.Z - Other construction installation

46.19.Z - Agents involved in the sale of a variety of goods

47.19.Z - Other retail sale in non-specialised stores

49.39.Z - Other passenger land transport not elsewhere classified

49.41.Z - Freight transport by road

64.19.Z - Other monetary intermediation

64.99.Z - Other financial service activities, except insurance and pension funding not elsewhere classified

70.22.Z - Business and other management consultancy activities

81.30.Z - Landscape service activities

82.11.Z - Office administrative service activities

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