Company lists · Data refreshed October 2026

Top 25 Greywater treatment system manufacturers worldwide

RevenueBase identified 1,858 company matches for greywater treatment system manufacturers worldwide as of October 2026 and tracks 20,057 professional contacts across them, including 4,232 with verified work emails. India is the largest market and Pune the largest hub.

This list covers company matches for greywater treatment system manufacturers worldwide, found by RevenueBase SmartSearch using the meaning of business descriptions in its company graph at Exact. Ranked by professionals tracked, largest first. Rows show recorded descriptions where available, Exact search membership and the snapshot date. Data refreshed October 13, 2026. Country and city lists for greywater treatment system manufacturers follow the table.

Published by RevenueBase, a B2B data infrastructure company. This list was built with RevenueBase SmartSearch, the natural-language company search RevenueBase customers use to build their own targeted lists and unlock verified emails and direct dials at the companies on them. How these lists are built and judged.

How to read this list RevenueBase SmartSearch · Exact Recorded Oct 13, 2026 How this list was built
1,858Companies
20,057Contacts tracked
4,232Verified emails
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The 25 largest greywater treatment system manufacturers worldwide

Ranked by team size
Top 25 of 1,858 company matches for greywater treatment system manufacturers worldwide, ordered by professional contacts tracked in RevenueBase, largest first. Recorded Oct 13, 2026. The RevenueBase SmartSearch column shows Exact match membership in this saved search. Click a contact count to view that company's people. Totals use company locations recorded by RevenueBase; the displayed preview is a smaller selection.
#CompanyRevenueBase SmartSearchHeadquartersEmployeesContacts
1Exact matchDhar, IndiaHQ recorded Oct 13, 2026n/a1,155 contacts →

Exact match

“Volvo Eicher Commerical Vehical Limited Service Provider of waste water recycling systems, drinking water plant & industrial water treatment in Indore, Madhya Pradesh.”

Recorded in the RevenueBase company graph · Oct 13, 2026 · View company records in RevenueBase
2Exact matchNewbury, OH, United KingdomHQ recorded Oct 13, 2026201-500392 contacts →

Exact match

“Founded in 1970, Kinetico pioneered the development of non-electric, fully automatic water treatment systems.”

Recorded in the RevenueBase company graph · Oct 13, 2026 · View company records in RevenueBase
3Exact matchOld Saybrook, CT, United StatesHQ recorded Oct 13, 2026501-1,000297 contacts →

Exact match

“Protecting the environment with innovative wastewater treatment solutions for over 35 years, Infiltrator is the leading manufacturer of onsite wastewater treatment products in…”

Recorded in the RevenueBase company graph · Oct 13, 2026 · View company records in RevenueBase
4Exact matchPune, IndiaHQ recorded Oct 13, 2026501-1,000295 contacts →

Exact match

“WTE is a globally recognised manufacturer & exporter of innovative Water & Wastewater Treatment Plants.”

Recorded in the RevenueBase company graph · Oct 13, 2026 · View company records in RevenueBase
5Exact matchInverness Highlands, United KingdomHQ recorded Oct 13, 2026501-1,000291 contacts →

Exact match

“RSE is a trusted clean water technology company, developing market leading products and solutions for purifying drinking water, recycling wastewater and cleaning water in…”

Recorded in the RevenueBase company graph · Oct 13, 2026 · View company records in RevenueBase
6Exact matchMandeville, LA, JamaicaHQ recorded Oct 13, 2026201-500290 contacts →

Exact match

“For over 96 years, MECO has been a world leader in designing and constructing engineered solutions for water purification.”

Recorded in the RevenueBase company graph · Oct 13, 2026 · View company records in RevenueBase
7Exact matchLombard, IL, United StatesHQ recorded Oct 13, 2026501-1,000277 contacts →

Exact match

“Culligan has over 80 years of experience in the design and distribution of water treatment systems for residential, commercial and industrial applications.”

Recorded in the RevenueBase company graph · Oct 13, 2026 · View company records in RevenueBase
8Exact matchAntalya, TürkiyeHQ recorded Oct 13, 2026201-500241 contacts →

Exact match

“Esli PWG Ltd.”

Recorded in the RevenueBase company graph · Oct 13, 2026 · View company records in RevenueBase
9Exact matchGüzelbahçe, TürkiyeHQ recorded Oct 13, 2026501-1,000210 contacts →

Exact match

“MAT FILTRATION TECHNOLOGIES is a design and manufacturing leader of specialty water treatment equipment for industrial & municipal applications, Recirculating Aquaculture Systems…”

Recorded in the RevenueBase company graph · Oct 13, 2026 · View company records in RevenueBase
10Exact matchCoraopolis, PA, United StatesHQ recorded Oct 13, 2026201-500191 contacts →

Exact match

“Newterra designs, engineers, manufactures, and services environmental, water and wastewater treatment solutions that assure great performance, superb reliability, and the highest…”

Recorded in the RevenueBase company graph · Oct 13, 2026 · View company records in RevenueBase
11Exact matchMinneapolis, MN, United StatesHQ recorded Oct 13, 2026201-500191 contacts →

Exact match

“Formed in 2017 following the consolidation of independent water treatment solution providers Emefcy and RWL Water, Fluence Corporation was established with the vision of becoming…”

Recorded in the RevenueBase company graph · Oct 13, 2026 · View company records in RevenueBase
12Exact matchSutherlin, OR, United StatesHQ recorded Oct 13, 2026201-500173 contacts →

Exact match

“Nobody wants to worry about whether their wastewater is contaminating nearby rivers, streams, and wells.”

Recorded in the RevenueBase company graph · Oct 13, 2026 · View company records in RevenueBase
13Exact matchBalk, NetherlandsHQ recorded Oct 13, 2026201-500173 contacts →

Exact match

“Paques helps companies and municipalities contribute to the major challenges of today: to reduce their water and carbon footprints and reclaim valuable resources.”

Recorded in the RevenueBase company graph · Oct 13, 2026 · View company records in RevenueBase
14Exact matchSydney Olympic Park, AustraliaHQ recorded Oct 13, 2026201-500168 contacts →

Exact match

“At Atlan Stormwater, we draw on more than 45 years’ experience in the design, testing and manufacture of water treatment systems that are utilised in over 45 countries.”

Recorded in the RevenueBase company graph · Oct 13, 2026 · View company records in RevenueBase
15Exact matchIrpin, UkraineHQ recorded Oct 13, 2026201-500168 contacts →

Exact match

“Welcome to Ecosoft – a water engineering company.”

Recorded in the RevenueBase company graph · Oct 13, 2026 · View company records in RevenueBase
16Exact matchSingapore, United StatesHQ recorded Oct 13, 2026201-500158 contacts →

Exact match

“Together with our customers, BW Water, now part of De Nora Water Technologies, is committed to addressing the world's most critical water challenges.”

Recorded in the RevenueBase company graph · Oct 13, 2026 · View company records in RevenueBase
17Exact matchPune, IndiaHQ recorded Oct 13, 2026201-500151 contacts →

Exact match

“Aquatech is a global leader in water purification systems and wastewater treatment technology for industrial and infrastructure markets.”

Recorded in the RevenueBase company graph · Oct 13, 2026 · View company records in RevenueBase
18Exact matchIstanbul, TürkiyeHQ recorded Oct 13, 2026201-500132 contacts →

Exact match

“Aquamatch is a Turkish company that produces sustainable water solutions for emerging markets.”

Recorded in the RevenueBase company graph · Oct 13, 2026 · View company records in RevenueBase
19Exact matchHyderabad, IndiaHQ recorded Oct 13, 2026201-500130 contacts →

Exact match

“Euroteck Environmental Pvt.”

Recorded in the RevenueBase company graph · Oct 13, 2026 · View company records in RevenueBase
20Exact matchDeinze, BelgiumHQ recorded Oct 13, 2026201-500116 contacts →

Exact match

“Ekopak provides innovative solutions for industrial water treatment and wastewater treatment.”

Recorded in the RevenueBase company graph · Oct 13, 2026 · View company records in RevenueBase
21Exact matchSprimont, BelgiumHQ recorded Oct 13, 202651-200107 contacts →

Exact match

“In business since 1965, the Belgian company Eloy Water specialises in wastewater treatment and rainwater harvesting for both households, small and large communities.”

Recorded in the RevenueBase company graph · Oct 13, 2026 · View company records in RevenueBase
22Exact matchJakarta Barat, IndonesiaHQ recorded Oct 13, 2026201-50091 contacts →

Exact match

“PT LAUTAN ORGANO WATER was established in 2006 as an engineering company with name PT HYDRO HITECH OPTIMA (well known as H2O) at the beginning.”

Recorded in the RevenueBase company graph · Oct 13, 2026 · View company records in RevenueBase
23Exact matchSingaporeHQ recorded Oct 13, 202651-20089 contacts →

Exact match

“Incorporated in 1977 and based in Singapore, Hitachi Aqua-Tech has built a strong reputation as a specialist in water management solutions.”

Recorded in the RevenueBase company graph · Oct 13, 2026 · View company records in RevenueBase
24Exact matchGardena, CA, United StatesHQ recorded Oct 13, 202651-20088 contacts →

Exact match

“Did you know you can remove up to 98% of contaminants from industrial wastewater while shrinking your chemical spend and footprint?”

Recorded in the RevenueBase company graph · Oct 13, 2026 · View company records in RevenueBase
25Exact matchChuo-ku, JapanHQ recorded Oct 13, 202651-20086 contacts →

Exact match

“WOTA is developing small-scale decentralized water recycling systems and autonomous control system for water treatment.”

Recorded in the RevenueBase company graph · Oct 13, 2026 · View company records in RevenueBase

Showing 25 of 1,858 greywater treatment system manufacturers worldwide

See the full list, filter by size, metro and specialty, and access 4,232 tracked professional contacts with verified work emails. Direct dials are available where recorded.

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Greywater treatment system manufacturers worldwide at a glance

As of Oct 13, 2026
21.1%Verified-email coverage
10.8Average contacts per company
11-50Median size (employees)
2.2%Largest-city concentration · Pune
Oct 13, 2026Page data refreshed

Companies by employee count

1-10
765
11-50
740
51-200
260
201-500
53
501-1,000
16
1,001-5,000
5
5,001-10,000
1
10001+
1

Email recency is reported on each country list linked below.

How this list was built

The recorded descriptions help you assess these company matches. Check a company’s website for its current services and locations.

Source
The RevenueBase company graph: 60 million companies and 398.9 million professional contacts resolved from primary sources, queried with RevenueBase SmartSearch, the natural-language company search available to every RevenueBase user.
Coverage
Every country. Country and city lists for greywater treatment system manufacturers are linked below.
What qualifies
Company records worldwide whose business descriptions match “greywater treatment system manufacturers” by meaning at the Exact setting. Descriptions are compiled in the RevenueBase company graph from public websites, profiles and company information where available; they are not guaranteed quotations from the company's website.
RevenueBase SmartSearch
Describe a niche company in your own words to find businesses by meaning. Exact, Similar, Related and Broad control the breadth of RevenueBase SmartSearch. This saved list uses Exact. Each row's Exact match badge shows inclusion in that search, not an individual score or a service-quality judgment.
Public preview
The public preview omits records without a verified work email. Dataset totals and geographic summaries describe the full matched records before these preview filters.
Match quality
RevenueBase's August 25, 2026 study assessed 4,198 description/company pairs across matching settings. The publisher reports 86% good or better at Exact. This evaluates the method across queries; it does not audit this individual list. Recorded company descriptions, where available, help you judge each match yourself. Read the full methodology: how the lists are built and what the study measures.
Ranking
Team size, largest first: companies are ordered by the number of professionals RevenueBase tracks at each one. Employee ranges shown are reported bands, for context.
Verification
Every displayed company carries at least one verified work email. RevenueBase tracks 4,232 professional contacts with verified work emails across the full matched dataset. Contacts re-verify on a rolling cadence, and each contact's own verification date is shown inside RevenueBase.
Refresh
This page's figures were pulled from the company graph on October 13, 2026. Lists refresh periodically as the graph is re-checked.
Record context
Company records and descriptions can change. Check the company's website for its current services and locations.

Greywater treatment system manufacturers by location

12 lists · largest first

Every Greywater treatment system manufacturers list RevenueBase publishes, by country and city. Counts are matching companies in each list as of its own refresh date.

Countries

Frequently asked

What is RevenueBase SmartSearch?

RevenueBase SmartSearch finds niche companies by the meaning of their business descriptions in the RevenueBase company graph. Exact, Similar, Related and Broad control how closely companies must fit your description. This list uses Exact for “greywater treatment system manufacturers”; each Exact match badge shows search membership, not an individual similarity or quality score.

How many greywater treatment system manufacturers are there worldwide?

RevenueBase identified 1,858 company matches for greywater treatment system manufacturers worldwide as of October 2026, using the meaning of business descriptions at Exact. This is the recorded matched set in the RevenueBase company graph.

What is the largest company on this list?

Volvo Eicher Commerical Vehical Limited tops the displayed preview by professional contacts tracked in RevenueBase. Recorded headquarters appear in the company rows.

Which country has the most greywater treatment system manufacturers?

India leads with 332 companies, followed by the United States (243) and Brazil (82). Every greywater treatment system manufacturers list by country and city is linked on this page.

Which city has the most greywater treatment system manufacturers?

Pune leads with 40 company records, followed by Ahmedabad (23) and Chennai (21).

How do I get contact information for these companies?

A free RevenueBase account lets you run this exact search and work limited free results with 500 credits to start. Upgrading provides access to the 4,232 professional contacts with verified work emails tracked across these 1,858 companies; direct dials are available where recorded.

How current is this list?

The list refreshes periodically as the company graph is re-checked. This page's figures were pulled on October 13, 2026.

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About this data

RevenueBase is a B2B data infrastructure company. Its company graph covers 60 million companies and 398.9 million professional contacts, with emails verified on a rolling cadence rather than scraped once and left to decay. These company lists are generated directly from that graph with RevenueBase SmartSearch, the same natural-language company search every RevenueBase user has: describe a market in plain words, get the companies that match, and add verified emails and direct dials for the people at them. It is the same data that powers RevenueBase's B2B data products, and a free account includes 500 credits to start. How these lists are built and judged.