Marcin Walentynowicz NO

62.03.Z - Computer facilities management activities

59.20.Z - Sound recording and music publishing activities

62.01.Z - Computer programming activities

62.02.Z - Computer consultancy activities

62.09.Z - Other information technology and computer service activities

72.19.Z - Other research and experimental development on natural sciences and engineering

85.52.Z - Out-of-school forms of cultural education

90.01.Z - Performing arts activities

90.02.Z - Support activities to performing arts

90.03.Z - Artistic creation activities

93.19.Z - Other sports activities