MARON Magdalena Onopa

71.12.B - Engineering activities and related technical consultancy

36.00.Z - Extraction, treatment, and supply of water

37.00.Z - Sewerage and waste water treatment

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

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

42.91.Z - Works related to the construction of water engineering objects

43.11.Z - Demolition and destruction of buildings

43.12.Z - Site preparation for construction

43.13.Z - Performing excavations and geological-engineering drilling

43.21.Z - Installation of electrical systems

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

43.42.Z - Performing other specialized construction works related to the construction of buildings

68.12.A - Development of residential building projects

68.12.B - Development of non-residential building projects

71.20.C - Other technical testing and analysis

82.10.Z - Office administrative support activities, including related services