Karol Cała

43.21.Z - Electrical installation

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

43.29.Z - Other construction installation

43.31.Z - Plastering

43.39.Z - Other building completion and finishing

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

61.30.Z - Satellite telecommunications activities

61.90.Z - Other telecommunications activities

62.01.Z - Computer programming activities

62.02.Z - Computer consultancy activities

62.03.Z - Computer facilities management activities

62.09.Z - Other information technology and computer service activities

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

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