Henryk Kozłowski Systemy Telekomunikacyjne i Komputerowe INTER-TEL

42.21.Z - Works related to the construction of transmission pipelines and distribution networks

33.12.Z - Repair and maintenance of machinery

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

43.21.Z - Installation of electrical systems

43.29.Z - Specialized construction works

46.19.Z - Activity of agents involved in wholesale trade of non-specialized goods

46.51.Z - Wholesale trade

47.41.Z - Retail trade

47.42.Z - Retail trade

47.59.Z - Retail trade

58.21.Z - Publishing of computer games

58.29.Z - Publishing of other software

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

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

61.30.Z - Telecommunications

61.90.Z - Activities in other telecommunications fields

62.02.Z - Activities related to programming, IT consulting, and related activities

62.03.Z - Activities related to programming, IT consulting, and related activities

62.09.Z - Activities related to programming, IT consulting, and related activities

63.11.Z - Services related to computing infrastructure, data processing, website management (hosting), and other information services

72.19.Z - Scientific research and development activities

95.11.Z - Repair and maintenance of computers, personal and household goods, and motor vehicles, including motorcycles