Sławomir Janik SPIDERNET

61.10.B - Activities in the field of wired, wireless, and satellite telecommunications

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

43.21.Z - Installation of electrical systems

46.50.Z - Wholesale trade of information and communication technology devices

60.20.Z - Broadcasting of general-access and subscription-based television programs and distribution of video recordings

61.10.A - Activities in the field of wired, wireless, and satellite telecommunications

61.20.Z - Activities related to the resale of telecommunications services and telecommunications mediation

61.90.A - Activities in other telecommunications fields

61.90.B - Activities in other telecommunications fields

62.20.B - IT consulting and IT equipment management activities

62.90.Z - Other IT and computer-related services

63.10.D - Services related to computing infrastructure, data processing, website management (hosting), and related activities