Our Regional Centers are located in:

• Europe
• North-America
• South-America
• Middle East
• Central Asia
• Asia Pacific

Our Technology Centers consist of the companies/entities and form the NSI portfolio:

• Nijhuis: Historically the main brand with a full range of inhouse products and DBFMO water treatment solutions. Originally founded in the Netherlands and expanded worldwide the past 120 years and nowadays included in the NSI branding: Nijhuis Saur Industries.
• Econvert: Anaerobic treatment expert with inhouse products. Located in the Netherlands with global reach.
• Unidro: Heavy industries water treatment expert. Located in Italy with global reach.
• Riventa: Digital solutions and pump optimizing expert. Located in the UK with global reach.
• PWNT: Drinking water treatment expert with inhouse products. Located in the Netherlands with global reach.
• Byosis: Ammonia stripping expert with inhouse products. Located in the Netherlands with global reach.
• Sodai: Water treatment and O&M expert in Italy. Located in Italy.
• Flootech: Water treatment expert for the Nordics with inhouse products.  Located in Finland with global reach.
• Aqua-Chem: Process water treatment experts in Americas with inhouse products. Located in the US with global reach.
• Mobile Water Solutions: Providing emergency/short-term/long-term mobile water solutions. Located in Europe with several offices with global reach.
• CirTec: Fine sieve expert with inhouse products.  Located in the Netherlands with global reach.
• Natural Systems Utilities: Decentralized water solutions and O&M expert.  Located in the US with global reach.