SYLWESTER TYSZKO - ELEKTROINSTALACJE

43.21.Z - Electrical installation

33.14.Z - Repair and maintenance of electrical equipment

41.20.Z - Building works related to erection of residential and non-residential buildings

42.22.Z - Works related to construction of telecommunications and electricity lines

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

43.29.Z - Other construction installation

47.59.Z - Retail sale of furniture, lighting equipment and other household articles in specialised stores

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

62.01.Z - Computer programming activities

62.02.Z - Computer consultancy activities

62.03.Z - Computer facilities management activities

62.09.Z - Other information technology and computer service activities

71.11.Z - Architectural activities

71.12.Z - Engineering activities and related technical consultancy

71.20.B - Other technical testing and analysis

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

80.20.Z - Security systems service activities