Company History
With TriOS, Xylem offers one of the leading brands in optical measurement technology for water analysis. The company specializes in advanced optical immersion sensors for waste water treatment and water quality monitoring. TriOS is recognized worldwide for its high-precision measurement solutions, reliable sensor technology, and innovative approaches to demanding monitoring applications.
The TriOS portfolio includes state-of-the-art photometers, fluorometers, and precision sensors for the continuous measurement of parameters such as COD, TOC, nitrate, and turbidity. These solutions are used across the drinking water, wastewater, environmental, and industrial sectors, helping customers achieve efficient and reliable water quality monitoring.
Since July 2026, TriOS has been part of Xylem (NYSE: XYL), a global Fortune 500 water technology company committed to helping customers and communities build a more water-secure world.
The TriOS portfolio includes state-of-the-art photometers, fluorometers, and precision sensors for the continuous measurement of parameters such as COD, TOC, nitrate, and turbidity. These solutions are used across the drinking water, wastewater, environmental, and industrial sectors, helping customers achieve efficient and reliable water quality monitoring.
Since July 2026, TriOS has been part of Xylem (NYSE: XYL), a global Fortune 500 water technology company committed to helping customers and communities build a more water-secure world.
History
1998
Foundation
Founded as a University Spin-off
1999
First office
First office on 150m² in Oldenburg
2002
Office expansion
Office expansion to 450m²
2008
Nano Technology
Introduction of Nano Technology to improve the quality of the sensors
2011
New Headquarters in Rastede
Opening of new Headquarters on 1400+700m² in Rastede
2014
Establishment of active sales division
2015
Expansion and Awards
Expansion of production and logistics by further 2500m²
Awarded with the European Business Award as National Champion in the category "enviromental and corporate sustainability"
2016
More awards
Awarded with the European Business Award as National Champion in the category "growth strategy"
2019
Continued company growth
New buildings added to the facilities.
Number of employees: ~90.
2024
Foundation
Foundation of subsidiaries in Oceania and Southeast Asia:
TriOS Analytics Southeast Asia and TriOS Analytics Oceania.
2026
Acquisition by Xylem
Acquisition by Xylem, a global Fortune 500 company specialising in water technology.