Instalatorstwo Elektryczne Piotr Olszanowski

43.21.Z - Electrical installation

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

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

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

46.90.Z - Non-specialised wholesale trade

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

71.12.Z - Engineering activities and related technical consultancy

71.20.B - Other technical testing and analysis

77.32.Z - Rental and leasing of construction machinery and equipment

77.39.Z - Rental and leasing of other machinery, equipment and tangible goods not elsewhere classified

81.21.Z - General cleaning of buildings

81.29.Z - Other cleaning activities