MARCZAK ENERGETYKA SPÓŁKA KOMANDYTOWO-AKCYJNA

33.14.Z - Repair and maintenance of electrical devices

33.13.Z - Repair and maintenance of electronic and optical devices

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

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

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

43.21.Z - Installation of electrical systems

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

43.31.Z - Plastering

43.33.Z - Flooring, wallpapering, and cladding of walls

43.39.Z - Specialized construction works