GJ PROJEKT Grzegorz Janczarek

71.12.Z - Engineering activities and related technical consultancy

41.10.Z - Realization of building projects related to erection of buildings

42.21.Z - Works related to construction oftransmission pipelines and distribution networks

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

43.29.Z - Other construction installation

43.39.Z - Other building completion and finishing

55.10.Z - Hotels and similar accommodation

55.20.Z - Holiday and other short-stay accommodation

71.20.B - Other technical testing and analysis

74.10.Z - Specialised design activities

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

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

85.60.Z - Educational support activities