Michał Kulski MKtel

61.10.Z - Wired telecommunications activities

02.40.Z - Service activity related to forestry

33.13.Z - Repair and maintenance of electronic and optical equipment

33.19.Z - Repair and maintenance of other equipment

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

43.21.Z - Electrical installation

43.99.Z - Other specialised construction activities not elsewhere classified

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

61.30.Z - Satellite telecommunications activities

61.90.Z - Other telecommunications activities

62.09.Z - Other information technology and computer service activities

81.22.Z - Specialised building and industrial cleaning activities

81.29.Z - Other cleaning activities

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

95.12.Z - Repair and maintenance of (tele)communication equipment