OLSAN Olgierd Tyszkiewicz

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

33.11.Z - Repair and maintenance of fabricated metal products

33.12.Z - Repair and maintenance of machinery

33.19.Z - Repair and maintenance of other equipment

36.00.Z - Water collection, treatment and supply

37.00.Z - Sewage disposal and treatment

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

42.21.Z - Works related to construction oftransmission pipelines and distribution networks

42.91.Z - Works related to construction of water projects

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

43.21.Z - Electrical installation

43.29.Z - Other construction installation

43.31.Z - Plastering

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

47.91.Z - Retail sale via mail order houses or via Internet

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

68.20.Z - Rental and operating of own or leased real estate

71.20.B - Other technical testing and analysis

74.10.Z - Specialised design activities

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

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

85.60.Z - Educational support activities