Company lists · Data refreshed September 2026

Top 25 Wastewater management companies worldwide

Name: Wastewater management companies worldwide
Creator: RevenueBase
License: https://creativecommons.org/licenses/by/4.0/

Compiled by the RevenueBase Data Team Data refreshed Sep 22, 2026 11,328 companies tracked

RevenueBase identified 11,328 wastewater management companies worldwide as of September 2026 and tracks 290,753 professional contacts across them, including 85,074 with verified work emails. The United States is the largest market and Pune the largest hub.

This list covers wastewater management companies worldwide, matched on what each company actually does as described in its own words. Ranked by team size, largest first. Every row shows the company's own description, its RevenueBase Smart Search rating, and when it was last checked. Data refreshed September 22, 2026. Country and city lists for wastewater management companies follow the table.

Published by RevenueBase, a B2B data infrastructure company. This list was built with RevenueBase Smart Search, 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 HQ checked on every row RevenueBase Smart Search rating on every row Refreshed Sep 22, 2026 86% judged on-target in blind review

11,328Companies

290,753Contacts tracked

85,074Verified emails

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The 25 largest wastewater management companies worldwide

Ranked by team size

Top 25 of 11,328 wastewater management companies worldwide, ranked by team size, largest first. Data refreshed Sep 22, 2026. RevenueBase Smart Search rates how each company's information relates to wastewater management companies: strong evidence (its own description names it), partial (names part of it), indirect (matched on the rest of its profile rather than the description shown). Click a contact count to view that company's people.
#	Company	RevenueBase Smart Search	Headquarters	Employees	Contacts
1	SUEZ	Indirect evidence	Paris, FranceHQ checked Sep 22, 2026	10001+	21,549 contacts →
	Indirect evidence “We provide essential services in the water and waste sectors to preserve resources and improve quality of life wherever we operate.” Source: RevenueBase Database · checked Sep 22, 2026
2	Tetra Tech	Indirect evidence	Pasadena, CA, United StatesHQ checked Sep 22, 2026	10001+	12,999 contacts →
	Indirect evidence “Tetra Tech is the leader in water, environment and sustainable infrastructure, providing high-end technical and engineering services for projects worldwide.” Source: RevenueBase Database · checked Sep 22, 2026
3	Sabesp	Indirect evidence	Sao Paulo, BrazilHQ checked Sep 22, 2026	10001+	10,050 contacts →
	Indirect evidence “Sabesp is a mixed capital company that was founded in 1973 and is currently responsible for supplying water and collecting and treating sewage in the 375 municipalities of São…” Source: RevenueBase Database · checked Sep 22, 2026
4	XYLEM	Indirect evidence	Washington, DC, United StatesHQ checked Sep 22, 2026	10001+	9,320 contacts →
	Indirect evidence “Xylem is the global leader in advanced technologies, solutions and services that address the world’s biggest water challenges.” Source: RevenueBase Database · checked Sep 22, 2026
5	Pentair	Indirect evidence	London, United KingdomHQ checked Sep 22, 2026	5,001-10,000	6,636 contacts →
	Indirect evidence “At Pentair, we help the world sustainably move, improve, and enjoy water, life’s most essential resource.” Source: RevenueBase Database · checked Sep 22, 2026
6	GFL Environmental INC	Partial evidence	Vaughan, ON, CanadaHQ checked Sep 22, 2026	10001+	6,179 contacts →
	Partial evidence “GFL Environmental is the only major diversified environmental services company in North America offering services in solid waste management, liquid waste management and soil…” Source: RevenueBase Database · checked Sep 22, 2026
7	Severn Trent	Indirect evidence	Coventry, United KingdomHQ checked Sep 22, 2026	5,001-10,000	5,563 contacts →
	Indirect evidence “Water is wonderful.” Source: RevenueBase Database · checked Sep 22, 2026
8	ION Exchange India LTD	Partial evidence	Mumbai, IndiaHQ checked Sep 22, 2026	1,001-5,000	3,810 contacts →
	Partial evidence “At Ion Exchange India, we bring you total environment solutions - water treatment, liquid waste treatment & recycle, air pollution control, solid & hazardous waste management and…” Source: RevenueBase Database · checked Sep 22, 2026
9	BRK Ambiental	Indirect evidence	BrazilHQ checked Sep 22, 2026	5,001-10,000	3,306 contacts →
	Indirect evidence “A BRK é uma das maiores empresas privadas de saneamento do país e está presente em 13 estados e mais de 100 municípios, beneficiando a vida de mais de 16 milhões de pessoas.” Source: RevenueBase Database · checked Sep 22, 2026
10	Cleanaway Waste Management	Partial evidence	Melbourne, AustraliaHQ checked Sep 22, 2026	5,001-10,000	3,005 contacts →
	Partial evidence “Cleanaway Waste Management Limited is Australia’s largest, publicly listed waste management company.” Source: RevenueBase Database · checked Sep 22, 2026
11	RE Sustainability Limited	Partial evidence	Hyderabad, IndiaHQ checked Sep 22, 2026	10001+	2,607 contacts →
	Partial evidence “Re Sustainability Limited (RE), a KKR-backed company, is one of Asia’s leading providers of comprehensive environment management services.” Source: RevenueBase Database · checked Sep 22, 2026
12	Brown And Caldwell	Indirect evidence	Walnut Creek, CA, United StatesHQ checked Sep 22, 2026	1,001-5,000	2,473 contacts →
	Indirect evidence “Headquartered in Walnut Creek, Calif, Brown and Caldwell is an employee-owned firm with 2,100+ professionals serving clients locally and globally from 52 locations.” Source: RevenueBase Database · checked Sep 22, 2026
13	Hazen And Sawyer	Indirect evidence	New York, NY, United StatesHQ checked Sep 22, 2026	1,001-5,000	2,100 contacts →
	Indirect evidence “As Hazen marks 75 years, we celebrate a legacy of absolute commitment to our clients while delivering the best technical work available anywhere.” Source: RevenueBase Database · checked Sep 22, 2026
14	Sanepar	Indirect evidence	Curitiba, BrazilHQ checked Sep 22, 2026	5,001-10,000	1,736 contacts →
	Indirect evidence “Visão e Missão Nossa Visão Consolidar a Sanepar como empresa pública, comprometida com a universalização do acesso aos serviços de saneamento ambiental.” Source: RevenueBase Database · checked Sep 22, 2026
15	Carollo Engineers	Partial evidence	Walnut Creek, CA, United StatesHQ checked Sep 22, 2026	1,001-5,000	1,718 contacts →
	Partial evidence “For more than 90 years, Carollo Engineers has been dedicated exclusively to water and wastewater solutions.” Source: RevenueBase Database · checked Sep 22, 2026
16	Waste PRO USA	Indirect evidence	Longwood, United StatesHQ checked Sep 22, 2026	1,001-5,000	1,560 contacts →
	Indirect evidence “Waste Pro USA, Inc.” Source: RevenueBase Database · checked Sep 22, 2026
17	Manila Water	Indirect evidence	Quezon City, PhilippinesHQ checked Sep 22, 2026	1,001-5,000	1,471 contacts →
	Indirect evidence “Manila Water Company, Inc.” Source: RevenueBase Database · checked Sep 22, 2026
18	Aqualia	Indirect evidence	Madrid, SpainHQ checked Sep 22, 2026	5,001-10,000	1,395 contacts →
	Indirect evidence “Aqualia es la cuarta empresa de gestión del agua de Europa y la novena del Mundo por población servida, según el último ranking de Global Water Intelligence (diciembre de 2024).” Source: RevenueBase Database · checked Sep 22, 2026
19	Rumpke Waste & Recycling	Indirect evidence	Cincinnati, OH, United StatesHQ checked Sep 22, 2026	1,001-5,000	1,360 contacts →
	Indirect evidence “Rumpke Waste and Recycling has been committed to keeping neighborhoods and businesses clean and green since 1932 by providing environmentally friendly waste disposal and recycling…” Source: RevenueBase Database · checked Sep 22, 2026
20	Clean Earth	Indirect evidence	King Of Prussia, PA, United StatesHQ checked Sep 22, 2026	1,001-5,000	1,275 contacts →
	Indirect evidence “Veolia has completed the acquisition of Clean Earth, bringing together two organizations with a shared commitment to environmental stewardship, safety and operational excellence.” Source: RevenueBase Database · checked Sep 22, 2026
21	Secure	Partial evidence	Calgary, AB, CanadaHQ checked Sep 22, 2026	1,001-5,000	1,261 contacts →
	Partial evidence “SECURE is a leading waste management and energy infrastructure business headquartered in Calgary, Alberta.” Source: RevenueBase Database · checked Sep 22, 2026
22	Volvo Eicher Commerical Vehical Limited	Indirect evidence	Dhar, IndiaHQ checked Sep 22, 2026	n/a	1,196 contacts →
	Indirect evidence “Volvo Eicher Commerical Vehical Limited Service Provider of waste water recycling systems, drinking water plant & industrial water treatment in Indore, Madhya Pradesh.” Source: RevenueBase Database · checked Sep 22, 2026
23	Groupe Nicollin	Partial evidence	Paris, FranceHQ checked Sep 22, 2026	10001+	1,046 contacts →
	Partial evidence “The NICOLLIN Group offers local authorities and private companies optimal value services, enabling its clients to improve their global waste management, urban sanitation and…” Source: RevenueBase Database · checked Sep 22, 2026
24	Inframark	Partial evidence	Horsham, PA, United StatesHQ checked Sep 22, 2026	1,001-5,000	973 contacts →
	Partial evidence “As an Azuria owned company, Inframark is a widely recognized leader in Water Infrastructure Operations and Infrastructure Management Services.” Source: RevenueBase Database · checked Sep 22, 2026
25	SIAAP	Indirect evidence	Paris, FranceHQ checked Sep 22, 2026	1,001-5,000	968 contacts →
	Indirect evidence “Une entreprise publique unique en Europe Son périmètre d'intervention englobe quatre départements et 180 communes reparties sur quatre autres départements, le SIAAP est - le seul…” Source: RevenueBase Database · checked Sep 22, 2026

RevenueBase Smart Search

RevenueBase Smart Search assesses information from a company’s LinkedIn profile, information supplied directly by the company, its website, and other publicly available sources. It uses that information to rate how closely the company relates to this list’s category: wastewater management companies. Every row carries its rating and the description the rating was read from, so each one can be checked rather than taken on trust.

Strong evidence: The company's own public description of its business names wastewater management companies.
Partial evidence: Its own public description names part of wastewater management companies, so it works in or next to the category without describing itself that way.
Indirect evidence: The description shown does not name wastewater management companies. The match rests on the rest of the company's public profile rather than the one sentence quoted here, so this is the rating to check first.

RevenueBase Smart Search is how these lists are built: RevenueBase's data engine and AI assemble the companies that match a category defined in a user's own words, so a list can be about what companies actually do rather than about whichever industry code they were filed under.

Showing 25 of 11,328 wastewater management companies worldwide

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Wastewater management companies worldwide at a glance

As of Sep 22, 2026

29.3%Verified-email coverage

25.7Average contacts per company

11-50Median size (employees)

1.0%Largest-city concentration · Pune

Sep 22, 2026Page data refreshed

Companies by employee count

1-10

4,319

11-50

4,195

51-200

1,798

201-500

556

501-1,000

164

1,001-5,000

135

5,001-10,000

10001+

Email recency is reported on each country list linked below.

How this list was built

Company categories are rarely black and white. RevenueBase reads each company's own description of its business to decide whether it belongs among wastewater management companies, so some rows will be adjacent to the category rather than pure plays. The description and RevenueBase Smart Search rating on every row are there so you can check each match yourself.

Source: The RevenueBase company graph: 60 million companies and 398.9 million professional contacts resolved from primary sources, queried with RevenueBase Smart Search, the natural-language company search available to every RevenueBase user.
Coverage: Every country. Country and city lists for wastewater management companies are linked below.
What qualifies: Companies worldwide whose own description of what they do matches “wastewater management companies”. Matching reads each company's description, not its industry code or its name.
RevenueBase Smart Search: RevenueBase Smart Search is how this list is assembled and how each row is rated. RevenueBase's data engine and AI assess a company's LinkedIn profile, information supplied directly by the company, its website and other publicly available information, then relate it to a category defined in a user's own words. Each row is rated strong evidence (its own description names wastewater management companies), partial evidence (it names part of the category) or indirect evidence (the description shown names none of it and the match rests on the rest of the company's profile). The description supporting each rating is quoted on the row.
What we exclude: Companies whose own description does not clearly place them among wastewater management companies, and records with no verified work email.
Match quality: In blind human judging of this matching method, 86% of matched companies were on target. Expect roughly 1 in 7 rows to be adjacent to the category rather than a pure play. Every row shows the company's own description and its RevenueBase Smart Search rating so you can judge each match yourself. Read the full methodology: how the lists are built, how the judging worked, and what the figure means.
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 listed company carries at least one verified work email, 85,074 across the full list. 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 22, 2026. Lists refresh periodically as the graph is re-checked.
Corrections: Wrong category, wrong headquarters, or a company that has closed? Use “Report an issue” on any row. Reports go to the RevenueBase Data Team and feed back into the company graph.

Wastewater management companies by location

45 lists · largest first

Every Wastewater management companies 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 Smart Search?

RevenueBase Smart Search is how RevenueBase decides which companies belong on this list and how strongly each one fits. Its data engine and AI assess a company's LinkedIn profile, information supplied directly by the company, its website and other publicly available information, then relate it to the category the list is about. Each row is rated strong evidence when the company's own description names wastewater management companies, partial evidence when it names part of the category, and indirect evidence when the description shown names none of it and the match rests on the rest of the company's profile.

How many wastewater management companies are there worldwide?

RevenueBase identified 11,328 wastewater management companies worldwide as of September 2026, matched on each company's own description of what it does rather than its industry code.

What is the largest company on this list?

SUEZ, headquartered in Worldwide, tops this list with the largest team on record.

Which country has the most wastewater management companies?

The United States leads with 1,958 companies, followed by India (1,130) and Brazil (646). Every wastewater management companies list by country and city is linked on this page.

Which city has the most wastewater management companies?

Pune leads with 110 headquartered companies, followed by Ahmedabad (79) and Chennai (74).

How do I get contact information for these companies?

A free RevenueBase account lets you run this exact search and work the top results, verified emails and direct dials included. Upgrading unlocks all 85,074 verified decision-maker contacts tracked across these 11,328 companies.

How current is this list?

The list refreshes periodically as the company graph is re-checked. This page's figures were pulled on September 22, 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 Smart Search, 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.