"Zone of Coders" - Radosław Pawłowski

62.10.B - Programming activities

58.11.Z - Publishing of books

58.12.Z - Publishing of newspapers

58.13.Z - Publishing of journals and periodicals

58.19.Z - Other publishing activities, excluding software publishing

58.21.Z - Publishing of computer games

58.29.Z - Publishing of other software

60.20.Z - Broadcasting of general-access and subscription-based television programs and distribution of video recordings

60.39.Z - Other content distribution activities

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

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

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

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

63.91.Z - Portal and search engine activities

73.12.Z - Advertising through mass media

85.59.B - Courses and training for acquiring knowledge, skills, and professional qualifications in non-school forms

85.59.D - Other non-school forms of education, not classified elsewhere