P.H.U. " TRANSJAN " JAN STASZAK

08.12.Z - Extraction of gravel, sand, clay, and kaolin

08.92.Z - Peat extraction

09.90.Z - Service activities incidental to other mining and quarrying

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

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

42.99.Z - Works related to the construction of other civil engineering and water engineering objects, not classified elsewhere

43.11.Z - Demolition and destruction of buildings

43.12.Z - Site preparation for construction

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

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

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

46.83.Z - Wholesale trade of wood, construction materials, and sanitary equipment

49.41.Z - Road freight transport

81.23.B - Other cleaning services, not elsewhere classified

81.30.Z - Landscaping services