TECH-OFFICE ZBIGNIEW MAROŃ

43.21.Z - Installation of electrical systems

33.12.Z - Repair and maintenance of machinery

41.10.Z - Construction work related to the construction of residential and non-residential buildings

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

43.12.Z - Site preparation for construction

43.21.Z - Installation of electrical systems

43.22.Z - Installation of plumbing, heating, and air-conditioning systems

43.29.Z - Specialized construction works

43.31.Z - Plastering

43.32.Z - Installation of building carpentry

43.39.Z - Specialized construction works

43.99.Z - Other specialized construction works, not classified elsewhere

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

62.01.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

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

73.12.C - Advertising through mass media

77.33.Z - Rental and leasing of office machinery and equipment, including computers

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

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

95.21.Z - Repair and maintenance of electronic equipment for general use