Energetyka Marcin Michalski

33.14.Z - Repair and maintenance of electrical equipment

42.22.Z - Works related to construction of telecommunications and electricity lines

43.21.Z - Electrical installation

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

43.29.Z - Other construction installation

43.91.Z - Roofing activities

43.99.Z - Other specialised construction activities not elsewhere classified

71.20.B - Other technical testing and analysis

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

74.10.Z - Specialised design activities

74.90.Z - Other professional, scientific and technical activities not elsewhere classified

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

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

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

85.60.Z - Educational support activities

90.01.Z - Performing arts activities

90.02.Z - Support activities to performing arts

93.19.Z - Other sports activities