Water treatment solution providers, shortlisted.
Explore water treatment equipment and solution providers in Aguato's ecosystem. Filter by geography, sector, and technology, then request proposals.
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Cambi ASA
Cambi ASA, headquartered near Oslo, Norway, pioneered thermal hydrolysis for sewage sludge and organic waste, commissioning its first full-scale plant in 1996. The CambiTHP process pretreats sludge ahead of anaerobic digestion to boost biogas yield by up to 50 percent, triple digester throughput, and halve final biosolids volume, turning municipal and industrial waste streams into renewable energy and Class A biosolids worldwide.
Optimarin AS
Optimarin AS, founded in 1994 in Stavanger, Norway, was among the first companies to develop ballast water treatment for ships. Its systems combine self-cleaning back-flushing filters with UV irradiation to neutralize invasive marine organisms, viruses, and bacteria without chemicals or harmful by-products. In 2016 it became the first vendor approved under the stricter US Coast Guard standard, serving global marine and offshore fleets.

Aquaservice AS
Aquaservice AS, based in Norway, specializes in advanced water filtration and treatment solutions. With expertise in UV systems and membrane technologies, they cater to utilities and manufacturing industries, providing reliable equipment and innovative technologies for effective water management.
A directory of vetted water treatment companies, built for the shortlist decision.
Picking the wrong water treatment partner is not a small mistake. A mis-specified system locks your site into 15 or more years of the wrong OPEX, and a single emergency retrofit to correct it routinely runs ,000 to 0,000 on a mid-size industrial plant. The defence against that cost is a wider, better-qualified field at the shortlist stage, which is exactly what this directory is built to give you.
Aguato brings industrial water treatment companies, water treatment equipment manufacturers, wastewater treatment companies, and specialist service providers into one comparable view. Instead of ranking the same three incumbents your team already knows, you can filter the full set of water treatment suppliers by country, sector, and technology, then compare services, declared technologies, and verification status side by side. Every listing is reviewed against a quality bar before it is published, and providers who have claimed and confirmed their own details carry a verified badge, so you can weight the field on evidence rather than on who markets the loudest.
The payoff is a defensible decision. Shortlist three to five providers that genuinely fit your duty, request scoped proposals on one specification, and you get apples-to-apples pricing your CFO can sign off without a second round of questions. Post your project and qualified providers will scope the work against your actual numbers.
Frequently asked questions
- How do I compare vetted water treatment companies on Aguato?
- Filter the directory by country, sector, and technology to narrow the field, then open each provider profile to compare services, technologies served, and verification status side by side. Shortlist three to five that match your duty and request scoped proposals so you compare like for like rather than auditioning brochures.
- What should I check before shortlisting a water treatment supplier?
- Confirm the provider has delivered your specific technology at your scale, that their stated regions cover your site, and that their service scope matches what you need, supply only, EPC, or a managed water-as-a-service contract. A mismatch on any of these is where six-figure procurement mistakes start, so verify fit before you invest time in an RFP.
- How does Aguato vet water treatment equipment manufacturers and service providers?
- Every listing is reviewed against a quality bar covering company description depth, declared services and technologies, geographic coverage, and website verification before it is published. Profiles a provider has claimed and verified carry a verified badge, so you can prioritise companies that have confirmed their own details.
- Is it free to compare wastewater treatment companies and request proposals?
- Yes. Browsing the directory, filtering by region and technology, and requesting scoped proposals from shortlisted providers is free for buyers. You only commit once you accept a proposal directly with a provider, so the cost of comparing the field properly is zero.