TEL - INSTAL Tomasz Gliszczyński

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

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

43.21.Z - Electrical installation

43.29.Z - Other construction installation

43.33.Z - Floor and wall covering

43.34.Z - Painting and glazing

43.39.Z - Other building completion and finishing

43.91.Z - Roofing activities

43.99.Z - Other specialised construction activities not elsewhere classified

61.90.Z - Other telecommunications activities