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.

Wholesale, retail trade, sale: -industrial, household and upholstery textiles -cords, ropes, twines -hoses, foils and sheets -chains, stranded steel wires -wood screws, screws/bolts, nuts, washers -technical plastics, rubbers -linos, underlays, edges -leather, imitation leather, plastic foams, fittings -wooden handles, ladders, step ...