MVNO-GSM.PL Rozwiązania innowacyjne Jacek Krajza

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

58.19.Z - Other publishing activities, excluding software publishing

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

60.31.Z - News agency activities

60.39.Z - Other content distribution activities

61.90.A - Activities in other telecommunications fields

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

73.11.Z - Advertising agency activities

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