Marek JURKOWSKI "MJC" - MAREK JURKOWSKI

80.30.Z - Investigation activities

43.22.Z - Plumbing, heat and air-conditioning installation

43.99.Z - Other specialised construction activities not elsewhere classified

80.10.Z - Private security activities, excluding security systems service activities

80.20.Z - Security systems service activities

82.30.Z - Organisation of conventions and trade shows

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

85.59.B - Other out-of-school forms of education, not elsewhere classified

96.04.Z - Physical well-being activities