Company lists · Data refreshed September 2026

Top 25 Effluent treatment service providers worldwide

Name: Effluent treatment service providers worldwide
Creator: RevenueBase
License: https://creativecommons.org/licenses/by/4.0/

Compiled by the RevenueBase Data Team Data refreshed Sep 19, 2026 8,737 companies tracked

RevenueBase identified 8,737 company matches for effluent treatment service providers worldwide as of September 2026 and tracks 164,576 professional contacts across them, including 39,394 with verified work emails. The United States is the largest market and Pune the largest hub.

This list covers company matches for effluent treatment service providers 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 September 19, 2026. Country and city lists for effluent treatment service providers 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 Sep 19, 2026 How this list was built

8,737Companies

164,576Contacts tracked

39,394Verified emails

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The 25 largest effluent treatment service providers worldwide

Ranked by team size

Top 25 of 8,737 company matches for effluent treatment service providers worldwide, ordered by professional contacts tracked in RevenueBase, largest first. Recorded Sep 19, 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.
#	Company	RevenueBase SmartSearch	Headquarters	Employees	Contacts
1	Clean Harbors	Exact match	Norwell, MA, United StatesHQ recorded Sep 19, 2026	10001+	8,924 contacts →
	Exact match “Clean Harbors is North America’s leading provider of environmental and industrial services.” Recorded in the RevenueBase company graph · Sep 19, 2026 · View company records in RevenueBase
2	GFL Environmental INC	Exact match	Vaughan, ON, CanadaHQ recorded Sep 19, 2026	10001+	6,179 contacts →
	Exact match “GFL Environmental is the only major diversified environmental services company in North America offering services in solid waste management, liquid waste management and soil…” Recorded in the RevenueBase company graph · Sep 19, 2026 · View company records in RevenueBase
3	ION Exchange India LTD	Exact match	Mumbai, IndiaHQ recorded Sep 19, 2026	1,001-5,000	3,810 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 · Sep 19, 2026 · View company records in RevenueBase
4	RE Sustainability Limited	Exact match	Hyderabad, IndiaHQ recorded Sep 19, 2026	10001+	2,607 contacts →
	Exact match “Re Sustainability Limited (RE), a KKR-backed company, is one of Asia’s leading providers of comprehensive environment management services.” Recorded in the RevenueBase company graph · Sep 19, 2026 · View company records in RevenueBase
5	VA Tech Wabag LTD	Exact match	Wabag House, IndiaHQ recorded Sep 19, 2026	1,001-5,000	2,375 contacts →
	Exact match “WABAG, a global leader in the water industry, is backed by rich experience spanning over 100 years.” Recorded in the RevenueBase company graph · Sep 19, 2026 · View company records in RevenueBase
6	MPW Industrial Services	Exact match	Hebron, OH, PalestineHQ recorded Sep 19, 2026	1,001-5,000	1,485 contacts →
	Exact match “As the leading provider of integrated, technology-based industrial cleaning, water purification, facility management, and total waste services in North America, MPW assists in…” Recorded in the RevenueBase company graph · Sep 19, 2026 · View company records in RevenueBase
7	Chemtreat	Exact match	Glen Allen, VA, United StatesHQ recorded Sep 19, 2026	1,001-5,000	1,404 contacts →
	Exact match “At ChemTreat, we understand that water is a vital resource for our planet.” Recorded in the RevenueBase company graph · Sep 19, 2026 · View company records in RevenueBase
8	Kurita Group	Exact match	Tokyo, JapanHQ recorded Sep 19, 2026	5,001-10,000	1,360 contacts →
	Exact match “For more than 70 years, since its founding in 1949, Kurita Water Industries has been consistently operating in two areas of "water and the environment." Kurita Group provides…” Recorded in the RevenueBase company graph · Sep 19, 2026 · View company records in RevenueBase
9	Clean Earth	Exact match	King Of Prussia, PA, United StatesHQ recorded Sep 19, 2026	1,001-5,000	1,275 contacts →
	Exact match “Veolia has completed the acquisition of Clean Earth, bringing together two organizations with a shared commitment to environmental stewardship, safety and operational excellence.” Recorded in the RevenueBase company graph · Sep 19, 2026 · View company records in RevenueBase
10	Volvo Eicher Commerical Vehical Limited	Exact match	Dhar, IndiaHQ recorded Sep 19, 2026	n/a	1,196 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 · Sep 19, 2026 · View company records in RevenueBase
11	Crystal Clean	Exact match	Hoffman Estates, IL, United StatesHQ recorded Sep 19, 2026	1,001-5,000	899 contacts →
	Exact match “Crystal Clean is a national leader in the environmental services market, providing the smart alternative.” Recorded in the RevenueBase company graph · Sep 19, 2026 · View company records in RevenueBase
12	Dubois Chemicals, INC	Exact match	Sharonville, OH, United StatesHQ recorded Sep 19, 2026	1,001-5,000	884 contacts →
	Exact match “DuBois has been serving customers since 1920.” Recorded in the RevenueBase company graph · Sep 19, 2026 · View company records in RevenueBase
13	Séché Environnement	Exact match	Changé, FranceHQ recorded Sep 19, 2026	5,001-10,000	882 contacts →
	Exact match “Séché Environnement is an agile, high performing company that draws its strength from the breadth of its different business lines.” Recorded in the RevenueBase company graph · Sep 19, 2026 · View company records in RevenueBase
14	Chem-Aqua, INC	Exact match	Wilmington, DE, United StatesHQ recorded Sep 19, 2026	10001+	864 contacts →
	Exact match “Chem-Aqua is a unique combination of knowledge, experience and stability.” Recorded in the RevenueBase company graph · Sep 19, 2026 · View company records in RevenueBase
15	OVIVO	Exact match	Montreal, QC, CanadaHQ recorded Sep 19, 2026	501-1,000	829 contacts →
	Exact match “Ovivo is a powerful global brand, uniting world-renowned trademarks and a highly specialized team of 700 water treatment experts operating across the globe.” Recorded in the RevenueBase company graph · Sep 19, 2026 · View company records in RevenueBase
16	Gradiant	Exact match	Woburn, MA, United StatesHQ recorded Sep 19, 2026	1,001-5,000	813 contacts →
	Exact match “Gradiant is a Different Kind of Water Company.” Recorded in the RevenueBase company graph · Sep 19, 2026 · View company records in RevenueBase
17	WM NEW Zealand	Exact match	East Tamaki, New ZealandHQ recorded Sep 19, 2026	1,001-5,000	716 contacts →
	Exact match “WM New Zealand is New Zealand's leading resource recovery, recycling and waste, and environmental services provider, driven by our focus on safety, sustainability, and service and…” Recorded in the RevenueBase company graph · Sep 19, 2026 · View company records in RevenueBase
18	Promotora Ambiental S.A.B. DE C.V	Exact match	Santa María, MexicoHQ recorded Sep 19, 2026	5,001-10,000	677 contacts →
	Exact match “En Promotora Ambiental nos hemos especializado en brindar soluciones ambientales a los sectores público y privado, en los campos de comercio e industria.” Recorded in the RevenueBase company graph · Sep 19, 2026 · View company records in RevenueBase
19	Jwil Infra Limited	Exact match	New Delhi, IndiaHQ recorded Sep 19, 2026	501-1,000	628 contacts →
	Exact match “JWIL Infra Limited is an EPC, Turnkey Solutions Provider Company in Water and Wastewater Sector.” Recorded in the RevenueBase company graph · Sep 19, 2026 · View company records in RevenueBase
20	Cetrel	Exact match	Camaçari, BrazilHQ recorded Sep 19, 2026	1,001-5,000	611 contacts →
	Exact match “Cetrel was formely created as an environmental protection company 40 years ago, to treat efluents and solid residues of more than 70 industries of the Camaçari Industrial Complex…” Recorded in the RevenueBase company graph · Sep 19, 2026 · View company records in RevenueBase
21	Nijhuis Saur Industries	Exact match	Doetinchem, NetherlandsHQ recorded Sep 19, 2026	1,001-5,000	609 contacts →
	Exact match “Founded in 1904, Nijhuis Saur Industries provides solid and adaptive solutions for sustainable and resilient water use, energy- and resource recovery.” Recorded in the RevenueBase company graph · Sep 19, 2026 · View company records in RevenueBase
22	IDE Technologies	Exact match	Kadima, IsraelHQ recorded Sep 19, 2026	501-1,000	603 contacts →
	Exact match “A world leader in water treatment solutions, IDE specializes in the development, engineering, construction and operation of enhanced desalination and industrial water treatment…” Recorded in the RevenueBase company graph · Sep 19, 2026 · View company records in RevenueBase
23	Westech Engineering	Exact match	Salt Lake City, UT, United StatesHQ recorded Sep 19, 2026	501-1,000	554 contacts →
	Exact match “WesTech Engineering, LLC designs, engineers, and manufactures water and wastewater treatment process equipment for mineral, industrial, and municipal applications worldwide.” Recorded in the RevenueBase company graph · Sep 19, 2026 · View company records in RevenueBase
24	Rochem Separation Systems India Pvt. LTD	Exact match	Mumbai, IndiaHQ recorded Sep 19, 2026	1,001-5,000	536 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 · Sep 19, 2026 · View company records in RevenueBase
25	RSE	Exact match	Inverness Highlands, United KingdomHQ recorded Sep 19, 2026	501-1,000	498 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 · Sep 19, 2026 · View company records in RevenueBase

RevenueBase SmartSearch

Describe a niche business in your own words. RevenueBase SmartSearch compares the meaning of your description with company business descriptions compiled in the RevenueBase company graph. Exact, Similar, Related and Broad control how closely companies must fit.

This list uses Exact for “effluent treatment service providers”. Each Exact match badge shows membership in that saved search; it is not an individual similarity score or a service-quality rating. Recorded descriptions are shown where available.

Showing 25 of 8,737 effluent treatment service providers worldwide

See the full list, filter by size, metro and specialty, and access 39,394 tracked professional contacts with verified work emails. Direct dials are available where recorded.

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Effluent treatment service providers worldwide at a glance

As of Sep 19, 2026

23.9%Verified-email coverage

18.8Average contacts per company

11-50Median size (employees)

1.3%Largest-city concentration · Pune

Sep 19, 2026Page data refreshed

Companies by employee count

1-10

3,241

11-50

3,351

51-200

1,437

201-500

412

501-1,000

105

1,001-5,000

5,001-10,000

10001+

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 effluent treatment service providers are linked below.
What qualifies: Company records worldwide whose business descriptions match “effluent treatment service providers” 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 39,394 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 September 19, 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.

Effluent treatment service providers by location

43 lists · largest first

Every Effluent treatment service providers list RevenueBase publishes, by country and city. Counts are matching companies in each list as of its own refresh date.

Countries

Cities

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 “effluent treatment service providers”; each Exact match badge shows search membership, not an individual similarity or quality score.

How many effluent treatment service providers are there worldwide?

RevenueBase identified 8,737 company matches for effluent treatment service providers worldwide as of September 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?

Clean Harbors tops the displayed preview by professional contacts tracked in RevenueBase. Recorded headquarters appear in the company rows.

Which country has the most effluent treatment service providers?

The United States leads with 1,157 companies, followed by India (1,156) and Brazil (550). Every effluent treatment service providers list by country and city is linked on this page.

Which city has the most effluent treatment service providers?

Pune leads with 112 company records, followed by Ahmedabad (83) and Chennai (79).

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 39,394 professional contacts with verified work emails tracked across these 8,737 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 September 19, 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.