Jakub Olejnik

62.03.Z - Computer facilities management activities

43.21.Z - Electrical installation

43.29.Z - Other construction installation

43.39.Z - Other building completion and finishing

61.10.Z - Wired telecommunications activities

61.20.Z - Wireless telecommunications activities, excluding satellite telecommunications activities

61.90.Z - Other telecommunications 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

74.10.Z - Specialised design activities

74.20.Z - Photographic activities

85.51.Z - Out-of-school forms of sports and leisure education

93.19.Z - Other sports activities

93.29.B - Pozostała działalność rozrywkowa i rekreacyjna

96.04.Z - Physical well-being activities