With many years of experience in the fields of pipeline construction, plant construction, automation and measurement technology, INRAG does all work from service to new construction, that occurs on waste water treatment plants.

The INRAG "all-inclusive carefree package" and the 24/7 standby service are working effectively over decades in highly sensitive petrochemical plants. In combination with our extensive stock of spare parts, it guarantees the permanent availability of your wastewater treatment plant. Our qualified employees have "wastewater treatment plant experience" from there operations on systems of different sizes. A team of INRAG employees is constantly in one of the large wastewater treatment plants construction site in Switzerland.