Company lists · Data refreshed November 2026

Top 25 Onsite water reuse system installers worldwide

RevenueBase identified 2,113 company matches for onsite water reuse system installers worldwide as of November 2026 and tracks 28,272 professional contacts across them, including 5,447 with verified work emails. The United States is the largest market and Pune the largest hub.

This list covers company matches for onsite water reuse system installers 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 November 6, 2026. Country and city lists for onsite water reuse system installers 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 Nov 6, 2026 How this list was built
2,113Companies
28,272Contacts tracked
5,447Verified emails
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The 25 largest onsite water reuse system installers worldwide

Ranked by team size
Top 25 of 2,113 company matches for onsite water reuse system installers worldwide, ordered by professional contacts tracked in RevenueBase, largest first. Recorded Nov 6, 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 matchMumbai, IndiaHQ recorded Nov 6, 20261,001-5,0004,010 contacts →

Exact match

“At Ion Exchange India, we bring you total environment solutions - water treatment, liquid waste treatment & recycle, air pollution control, solid & hazardous waste management and…”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
2Exact matchDhar, IndiaHQ recorded Nov 6, 2026n/a1,235 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 · Nov 6, 2026 · View company records in RevenueBase
3Exact matchMumbai, IndiaHQ recorded Nov 6, 20261,001-5,000549 contacts →

Exact match

“We as, Rochem Separation Systems offer 100% water reuse solutions to treat industrial wastewater since 1992.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
4Exact matchNewbury, OH, United KingdomHQ recorded Nov 6, 2026201-500403 contacts →

Exact match

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

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
5Exact matchInverness Highlands, United KingdomHQ recorded Nov 6, 2026501-1,000380 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 · Nov 6, 2026 · View company records in RevenueBase
6Exact matchOld Saybrook, CT, United StatesHQ recorded Nov 6, 20261,001-5,000306 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 · Nov 6, 2026 · View company records in RevenueBase
7Exact matchLombard, IL, United StatesHQ recorded Nov 6, 2026501-1,000279 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 · Nov 6, 2026 · View company records in RevenueBase
8Exact matchNavi Mumbai, IndiaHQ recorded Nov 6, 2026201-500256 contacts →

Exact match

“Chembond Water Technologies Limited specializes in delivering advanced water treatment solutions for industrial and institutional applications.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
9Exact matchAntalya, TürkiyeHQ recorded Nov 6, 2026201-500250 contacts →

Exact match

“Esli PWG Ltd.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
10Exact matchMinneapolis, MN, United StatesHQ recorded Nov 6, 2026201-500195 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 · Nov 6, 2026 · View company records in RevenueBase
11Exact matchGurgaon, IndiaHQ recorded Nov 6, 2026501-1,000189 contacts →

Exact match

“Water is life.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
12Exact matchSt Michael, PA, United StatesHQ recorded Nov 6, 2026201-500182 contacts →

Exact match

“Apex, a trusted leader in water and process management, delivers integrated solutions that empower agricultural, commercial, and industrial customers across the U.S.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
13Exact matchSutherlin, OR, United StatesHQ recorded Nov 6, 2026201-500177 contacts →

Exact match

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

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
14Exact matchSydney Olympic Park, AustraliaHQ recorded Nov 6, 2026201-500171 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 · Nov 6, 2026 · View company records in RevenueBase
15Exact matchSingapore, United StatesHQ recorded Nov 6, 2026201-500165 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 · Nov 6, 2026 · View company records in RevenueBase
16Exact matchPune, IndiaHQ recorded Nov 6, 2026201-500156 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 · Nov 6, 2026 · View company records in RevenueBase
17Exact matchFrankfurt, GermanyHQ recorded Nov 6, 202651-200147 contacts →

Exact match

“Passavant has always been a name synonymous with excellence of execution through innovation.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
18Exact matchIndiaHQ recorded Nov 6, 2026201-500143 contacts →

Exact match

Recorded description not available.

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
19Exact matchIstanbul, TürkiyeHQ recorded Nov 6, 2026201-500142 contacts →

Exact match

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

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
20Exact matchHyderabad, IndiaHQ recorded Nov 6, 2026201-500134 contacts →

Exact match

“Euroteck Environmental Pvt.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
21Exact matchLeesburg, VA, United StatesHQ recorded Nov 6, 202651-200127 contacts →

Exact match

“Water Reclamation Plant”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
22Exact matchCalumet City, TX, United StatesHQ recorded Nov 6, 202651-200121 contacts →

Exact match

Recorded description not available.

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
23Exact matchKettering, United KingdomHQ recorded Nov 6, 202651-200121 contacts →

Exact match

“AWMS, part of Alumasc Group, is the first joined-up brand in integrated water management.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
24Exact matchDeinze, BelgiumHQ recorded Nov 6, 2026201-500120 contacts →

Exact match

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

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
25Exact matchSprimont, BelgiumHQ recorded Nov 6, 202651-200112 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 · Nov 6, 2026 · View company records in RevenueBase

Showing 25 of 2,113 onsite water reuse system installers worldwide

See the full list, filter by size, metro and specialty, and access 5,447 tracked professional contacts with verified work emails. Direct dials are available where recorded.

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Onsite water reuse system installers worldwide at a glance

As of Nov 6, 2026
19.3%Verified-email coverage
13.4Average contacts per company
11-50Median size (employees)
1.2%Largest-city concentration · Pune
Nov 6, 2026Page data refreshed

Companies by employee count

1-10
929
11-50
794
51-200
257
201-500
60
501-1,000
18
1,001-5,000
11
5,001-10,000
3
10001+
4

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 onsite water reuse system installers are linked below.
What qualifies
Company records worldwide whose business descriptions match “onsite water reuse system installers” 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 5,447 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 November 6, 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.

Onsite water reuse system installers by location

14 lists · largest first

Every Onsite water reuse system installers 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 “onsite water reuse system installers”; each Exact match badge shows search membership, not an individual similarity or quality score.

How many onsite water reuse system installers are there worldwide?

RevenueBase identified 2,113 company matches for onsite water reuse system installers worldwide as of November 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?

ION Exchange India LTD tops the displayed preview by professional contacts tracked in RevenueBase. Recorded headquarters appear in the company rows.

Which country has the most onsite water reuse system installers?

The United States leads with 421 companies, followed by India (247) and Brazil (105). Every onsite water reuse system installers list by country and city is linked on this page.

Which city has the most onsite water reuse system installers?

Pune leads with 25 company records, followed by Mumbai (20) and Chennai (17).

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 5,447 professional contacts with verified work emails tracked across these 2,113 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 November 6, 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.