J.D.SYSTEMS JAROSŁAW DYSZCZYŃSKI

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

33.12.Z - Repair and maintenance of machinery

33.13.Z - Repair and maintenance of electronic and optical devices

33.14.Z - Repair and maintenance of electrical devices

33.20.Z - Installation of industrial machinery, equipment, and devices

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

46.51.Z - Wholesale trade

58.29.Z - Publishing of other software

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

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

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

73.12.C - Advertising through mass media

74.90.Z - Other professional, scientific and technical activities, not elsewhere classified

80.20.Z - Detective and security activities

82.19.Z - Office administrative support activities and other business support services

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