Sieci i Instalacje Elektryczne Sławomir Stefaniak

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

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

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

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

43.21.Z - Electrical installation

43.29.Z - Other construction installation

61.10.Z - Wired telecommunications activities

61.20.Z - Wireless telecommunications activities, excluding satellite telecommunications activities

61.90.Z - Other telecommunications activities

71.12.Z - Engineering activities and related technical consultancy

71.20.B - Other technical testing and analysis

74.10.Z - Specialised design activities