Piotr Lenart , Andrzej Lenart " MASBIT-BIS"

42.12.Z - Works related to construction of railways and underground railways

41.20.Z - Building works related to erection of residential and non-residential buildings

42.11.Z - Works related to construction of roads and motorways

42.99.Z - Works related to construction of other civil engineering projects not elsewhere classified

43.11.Z - Demolition

43.12.Z - Site preparation

43.39.Z - Other building completion and finishing

43.99.Z - Other specialised construction activities not elsewhere classified

49.41.Z - Freight transport by road

77.32.Z - Rental and leasing of construction machinery and equipment