Contributing to a more sustainable and resilient future by

Helping industries with today’s water management challenges
With over 6000 water treatment references in all kinds of industries, NSI is your experienced partner.
Food & beverage
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- Fish processing

- Fish processing

- Fish processing

- Fish processing
Pharma & personal care
Whether you need purified water, water for injection, clean steam or other process water solutions we have decades of experience in using a variety of technologies to treat water to the spec you need

- Fish processing

- Fish processing
Pulp & paper
As pulp and paper water treatment specialists, we understand the vital role water plays throughout the and tissue production processes—from pulping to final product finishing.

- Fish processing

- Fish processing

- Fish processing

- Fish processing
Energy
We understand the growing importance of sustainable water management in the energy sector. Whether you’re producing biofuels, hydrogen, or managing upstream or downstream operations, water plays a vital role—from processing and cooling to effluent treatment and reuse.
Municipal drinking water
We provide end-to-end solutions for municipal drinking water, ensuring safe, clean water and sustainable management. From sourcing and treatment to distribution and monitoring, we cover the entire water cycle together with Saur Group.
Municipal wastewater
Effective wastewater management is key to protecting health, the environment, and water resources. We specialize in advanced solutions for collecting, treating, and disposing of wastewater, transforming it into a valuable resource for a cleaner, healthier world.

Our impact
Discover our solutions
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- Food & Beverage
- Pulp & Paper
- Energy
- Semiconductor industry
- Mining and minerals
Demineralized Water Treatment
- Process water
- Industrial water
- Industrial
- Municipal

- Mining and minerals
- Energy
- Semiconductor industry
- Pulp & Paper
- Pharma & personal care
- Fish processing
- Food & Beverage
Water consultancy services
- Process water
- Industrial water
- Industrial
- Municipal
Biogas treatment

- Energy
- Food & Beverage
Digestate treatment
- Industrial water

- Food & Beverage
- Fish processing
- Pulp & Paper
- Pharma & personal care
- Semiconductor industry
- Mining and minerals
Sludge treatment
- Wastewater
- Resource Recovery
- Sludge
- Industrial water

- Mining and minerals
- Energy
- Semiconductor industry
- Pulp & Paper
- Pharma & personal care
- Fish processing
- Food & Beverage
Membrane filtration
- Process water
- Industrial water

- Mining and minerals
- Energy
- Semiconductor industry
- Pulp & Paper
- Pharma & personal care
- Fish processing
- Food & Beverage
Aerobic treatment
- Industrial water
- Pulp & Paper
- Fish processing
- Food & Beverage

- Industrial
Filter and screening systems

- Industrial
Gravity separators

- Mining and minerals
- Energy
- Semiconductor industry
- Pulp & Paper
- Pharma & personal care
- Fish processing
- Food & Beverage
Coagulation & Flocculation
- Industrial water
- Process water

- Industrial
Dissolved Air Flotation solutions (DAF)

Keep your business flowing - go mobile
Going mobile is an ideal solution – be it emergencies, planned projects (commissioning, refurbishment, or maintenance), or even multi-tear periods requiring treated water supply. Our NSI Mobile Water Solutions are ready to address your unique water needs with agile and effective solutions.



NSI news – WWTP Enschede test site for purification technologies in the UPPWATER program

NSI news – PRESS RELEASE: Mobile Water Solutions Launches Breakthrough Mobile Unit to Tackle Water Scarcity with Speed and Flexibility
