Polska Definicja Wibracji Piotr Fitowski

74.99.Z - All other professional, scientific and technical activities, not elsewhere classified

33.11.Z - Repair and maintenance of metal products

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

33.15.Z - Repair and maintenance of civilian ships and boats

33.16.Z - Repair and maintenance of civilian aircraft and spacecraft

33.17.Z - Repair and maintenance of other civil transport equipment

33.19.Z - Repair and maintenance of other equipment and installations

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

42.12.Z - Works related to the construction of railways and underground railways

42.13.Z - Works related to the construction of bridges and tunnels

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

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

43.11.Z - Demolition and destruction of buildings

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

43.24.Z - Installation of other building systems

43.31.Z - Plastering

43.35.Z - Performing other finishing construction works

43.41.Z - Performing roof structures and coverings

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

62.10.B - Programming activities

62.20.A - IT consulting and IT equipment management activities

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

63.91.Z - Portal and search engine activities

63.92.Z - Other information-related services

71.12.A - Engineering activities and related technical consultancy

71.12.B - Engineering activities and related technical consultancy

72.10.Z - Scientific research and development in natural and technical sciences

72.20.Z - Scientific research and development in social sciences and humanities

73.11.Z - Advertising agency activities

73.12.Z - Advertising through mass media

73.20.Z - Market research and public opinion polling

95.31.A - Mechanical repair and servicing of motor vehicles, excluding motorcycles

95.31.B - Bodywork and paint repair, and maintenance of motor vehicles, excluding motorcycles

95.31.C - Motor vehicle detailing services, excluding motorcycles