1) Gabinet Internistyczny Michał Mularczyk; 2) BezKalorii.pl Wydawnictwo Multimedialne Michał Mularczyk

86.22.Z - Specialist medical practice activities

18.11.Z - Printing of newspapers

47.91.Z - Retail sale via mail order houses or via Internet

47.99.Z - Other retail sale not in stores, stalls or markets

56.21.Z - Event catering activities

58.11.Z - Book publishing

58.13.Z - Publishing of newspapers

58.14.Z - Publishing of journals and periodicals

58.19.Z - Other publishing activities

58.21.Z - Publishing of computer games

58.29.Z - Other software publishing

59.11.Z - Motion picture, video and television programme production activities

59.12.Z - Motion picture, video and television programme post-production activities

59.13.Z - Motion picture, video and television programme distribution activities

59.14.Z - Motion picture projection activities

59.20.Z - Sound recording and music publishing activities

60.10.Z - Radio broadcasting

60.20.Z - Public and licence television programmes broadcasting

62.01.Z - Computer programming activities

63.12.Z - Web portals

93.13.Z - Operation of fitness facilities