Krzysztof Kerger FiberKer

43.21.Z - Electrical installation

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

43.39.Z - Other building completion and finishing

61.10.Z - Wired telecommunications activities

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

61.30.Z - Satellite telecommunications activities

62.01.Z - Computer programming 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