"d4b" Janusz Maciejewski

62.01.Z - Computer programming activities

49.39.Z - Other passenger land transport not elsewhere classified

59.20.Z - Sound recording and music publishing activities

62.02.Z - Computer consultancy activities

62.09.Z - Other information technology and computer service activities

63.11.Z - Data processing, hosting and related activities

63.12.Z - Web portals

63.99.Z - Other information service activities not elsewhere classified

77.29.Z - Rental and leasing of other personal and household goods

90.01.Z - Performing arts activities

90.02.Z - Support activities to performing arts