TTi Tobiasz Tyczka

43.21.Z - Electrical installation

25.11.Z - Manufacture of metal structures and parts of structures

25.62.Z - Mechanical working of metal elements

43.29.Z - Other construction installation

43.32.Z - Joinery installation

43.39.Z - Other building completion and finishing

43.99.Z - Other specialised construction activities not elsewhere classified

47.19.Z - Other retail sale in non-specialised stores

61.10.Z - Wired telecommunications activities

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

62.03.Z - Computer facilities management activities

62.09.Z - Other information technology and computer service activities

74.10.Z - Specialised design activities

95.11.Z - Repair and maintenance of computers and peripheral equipment