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.

Design, supply, installation, service: -drinking, service and industrial water treatment equipment: -filtration -softening -deferrization -manganese removal -dechlorination -desalting -reverse osmosis. Sale, wholesale: -pipes, tubes, valves, fittings -flow meters -plastic parts for air-conditioning -fans -ion exchangers - ...