Sebastian Artur Sidor “SEBSID ” - Posadzki Przemysłowe

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

42.11.Z - Works related to the construction of roads and highways

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

43.21.Z - Installation of electrical systems

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

43.23.Z - Installation of insulation

43.41.Z - Performing roof structures and coverings

43.50.Z - Specialized construction works in the field of civil and water engineering

81.22.B - Other cleaning of buildings and industrial premises, not elsewhere classified