JBJ projektant Justyna Bartnik-Juniewicz

71.12.Z - Engineering activities and related technical consultancy

41.10.Z - Construction work related to the construction of residential and non-residential buildings

41.20.Z - Construction work related to the construction of residential and non-residential buildings

42.21.Z - Works related to the construction of transmission pipelines and distribution networks

43.22.Z - Installation of plumbing, heating, and air-conditioning systems

43.29.Z - Specialized construction works

43.99.Z - Other specialized construction works, not classified elsewhere

71.11.Z - Architectural activities

71.20.B - Inspection and issuing opinions on the technical condition of chimneys and ventilation ducts

74.10.Z - Specialized design activities

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