NORBERT CIONEK Nex Energy

43.21.Z - Installation of electrical systems

33.14.Z - Repair and maintenance of electrical devices

33.20.Z - Installation of industrial machinery, equipment, and devices

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

43.39.Z - Specialized construction works

64.92.Z - Other forms of credit granting

74.10.Z - Specialized design activities

45.11.Z