PRO-NET KRZYSZTOF CHOJNOWSKI

58.12.Z - Publishing of newspapers

18.13.Z - Service activities related to printing preparation

18.14.Z - Bookbinding and related services

58.13.Z - Publishing of journals and periodicals

58.19.Z - Other publishing activities, excluding software publishing

59.11.Z - Activities related to the production of films, video recordings, and television programs

59.13.Z - Activities related to the distribution of films and video recordings

59.20.Z - Sound recording and music publishing activities

60.31.Z - News agency activities

60.39.Z - Other content distribution activities

62.10.B - Programming activities

62.20.B - IT consulting and IT equipment management activities

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

63.92.Z - Other information-related services

73.11.Z - Advertising agency activities

73.12.Z - Advertising through mass media

73.20.Z - Market research and public opinion polling

74.20.Z - Photographic activities

82.10.Z - Office administrative support activities, including related services

82.30.Z - Activities related to organizing fairs, exhibitions, and congresses

95.10.Z - Repair and maintenance of computers and telecommunications equipment