The construction, design and service activities in the field of construction with a focus on land, transport, underground, water supply and special construction. These buildings then are single-family houses, but also industrial buildings, roads, railways or bridges.

Building, construction activity: -highway construction, bituminous/ coated work -bridge building -engineering communications and service pipelines. Highway construction, bituminous/ coated work: -new constructions of roads -maintenance of roads, forest paths, country lanes -construction of parking grounds, storage areas, airport ...