Company lists · Data refreshed November 2026

Top 25 Water quality protection groups worldwide

RevenueBase identified 382 company matches for water quality protection groups worldwide as of November 2026 and tracks 4,627 professional contacts across them, including 1,811 with verified work emails. The United States is the largest market and Washington the largest hub.

This list covers company matches for water quality protection groups 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 water quality protection groups 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
382Companies
4,627Contacts tracked
1,811Verified emails
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The 25 largest water quality protection groups worldwide

Ranked by team size
Top 25 of 382 company matches for water quality protection groups 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 matchWashington, DC, United StatesHQ recorded Nov 6, 202651-200387 contacts →

Exact match

“Since our founding during the campaign to pass the landmark Clean Water Act in 1972, Clean Water Action has worked to win strong health and environmental protections by bringing…”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
2Exact matchAlexandria, VA, United StatesHQ recorded Nov 6, 202651-200294 contacts →

Exact match

“Formed in 1928, the Water Environment Federation® (WEF®) and its global network of Member Associations help provide water quality professionals with the latest in water quality…”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
3Exact matchWashington, DC, United StatesHQ recorded Nov 6, 202651-200224 contacts →

Exact match

“LCV believes our earth is worth fighting for because everyone has a right to clean air, water, and a safe, healthy community.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
4Exact matchWashington, DC, United StatesHQ recorded Nov 6, 202651-200154 contacts →

Exact match

“American Rivers protects wild rivers, restores damaged rivers, and conserves clean water for people and nature.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
5Exact matchLisbon, PortugalHQ recorded Nov 6, 20261,001-5,000106 contacts →

Exact match

“At Saur, we mobilize ourselves daily to protect and preserve water across all territories.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
6Exact matchDouai, FranceHQ recorded Nov 6, 202651-20096 contacts →

Exact match

“L'Agence de l'Eau Artois-Picardie agit pour reconquérir la qualité de l’eau et des milieux aquatiques.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
7Exact matchUtrecht, NetherlandsHQ recorded Nov 6, 202611-5083 contacts →

Exact match

“We are Natuur & Milieu.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
8Exact matchFort Lauderdale, FL, United StatesHQ recorded Nov 6, 202651-20071 contacts →

Exact match

“Save the Water™ (STW™) is a U.S-based nonprofit organization dedicated to water quality research.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
9Exact matchOssining, NY, United StatesHQ recorded Nov 6, 202611-5065 contacts →

Exact match

“Riverkeeper is a member-supported watchdog organization dedicated to defending the Hudson River and its tributaries and protecting the drinking water supply of more than 9.5…”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
10Exact matchPortland, CA, United StatesHQ recorded Nov 6, 202651-20063 contacts →

Exact match

“The Freshwater Trust is focused on using insight to solve problems at the intersection of water and the economy.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
11Exact matchEdam, NetherlandsHQ recorded Nov 6, 202651-20062 contacts →

Exact match

“Wij zijn één van de vijf waterschapslaboratoria in Nederland en een stichting zonder winstoogmerk.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
12Exact matchLisbon, PortugalHQ recorded Nov 6, 20261,001-5,00059 contacts →

Exact match

“At Saur, we mobilize ourselves daily to protect and preserve water across all territories.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
13Exact matchPrestons, AustraliaHQ recorded Nov 6, 202611-5048 contacts →

Exact match

“For over two decades we have been leaders in the design, installation and maintenance of stormwater treatment assets and infrastructure.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
14Exact matchPennington, NJ, United StatesHQ recorded Nov 6, 202611-5048 contacts →

Exact match

“Keeping water clean, safe and healthy is the heart of our mission.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
15Exact matchNew York, NY, United StatesHQ recorded Nov 6, 202611-5047 contacts →

Exact match

“The Waterkeeper movement was started by a band of blue-collar fishermen on New York’s Hudson River in 1966.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
16Exact matchGlattbrugg, SwitzerlandHQ recorded Nov 6, 202611-5046 contacts →

Exact match

“Wir engagieren uns mit unserem Fachwissen und unserer Kompetenz für saubere und lebendige Gewässer!”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
17Exact matchTraverse City, MI, United StatesHQ recorded Nov 6, 202651-20045 contacts →

Exact match

“Contracted environmental services focused on freshwater resources.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
18Exact matchColumbus, OH, United StatesHQ recorded Nov 6, 202611-5045 contacts →

Exact match

“The mission of the Ohio Environmental Council (OEC) is to secure healthy air, land, and water for all who call Ohio home.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
19Exact matchSt. Paul, MN, United StatesHQ recorded Nov 6, 202611-5042 contacts →

Exact match

“The mission of Minnesota Center for Environmental Advocacy is to use law, science, and research to protect Minnesota’s environment, its natural resources, and the health of its…”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
20Exact matchEmmaus, PA, United StatesHQ recorded Nov 6, 202611-5039 contacts →

Exact match

“Our Mission: Protect and restore critical natural areas and waterways and educate the community to create a legacy of a healthy, sustainable environment for future generations.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
21Exact matchHouston, TX, United StatesHQ recorded Nov 6, 202611-5038 contacts →

Exact match

“BlueGreen Water Technologies is restoring, safeguarding, and optimizing waterbodies worldwide, protecting ecosystems, wildlife, and communities while supporting sustainable…”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
22Exact matchMadison, WI, United StatesHQ recorded Nov 6, 202611-5036 contacts →

Exact match

“Clean Wisconsin is Wisconsin's largest and oldest environmental protection organization, founded in 1970.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
23Exact matchChennai, IndiaHQ recorded Nov 6, 202611-5036 contacts →

Exact match

“Lakes and ponds often bear the brunt of modern day human negligence.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
24Exact matchMontreal, QC, CanadaHQ recorded Nov 6, 202611-5035 contacts →

Exact match

“AquaAction is a registered charity and and non-profit organization in Canada and the United States, focused on restoring, protecting and conserving freshwater.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
25Exact matchCoral Gables, FL, United StatesHQ recorded Nov 6, 202611-5034 contacts →

Exact match

“Protect the water you love.#MiamiWaterkeeper Miami Waterkeeper protects South Florida’s waters by advocating for resilient solutions grounded in science, rooted in nature, and…”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase

Showing 25 of 382 water quality protection groups worldwide

See the full list, filter by size, metro and specialty, and access 1,811 tracked professional contacts with verified work emails. Direct dials are available where recorded.

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Water quality protection groups worldwide at a glance

As of Nov 6, 2026
39.1%Verified-email coverage
12.1Average contacts per company
1-10Median size (employees)
1.8%Largest-city concentration · Washington
Nov 6, 2026Page data refreshed

Companies by employee count

1-10
264
11-50
88
51-200
23
201-500
2
1,001-5,000
3
5,001-10,000
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 water quality protection groups are linked below.
What qualifies
Company records worldwide whose business descriptions match “water quality protection groups” 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 1,811 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.

Water quality protection groups by location

2 lists · largest first

Every Water quality protection groups 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 “water quality protection groups”; each Exact match badge shows search membership, not an individual similarity or quality score.

How many water quality protection groups are there worldwide?

RevenueBase identified 382 company matches for water quality protection groups 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?

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

Which country has the most water quality protection groups?

The United States leads with 220 companies, followed by Canada (30). Every water quality protection groups list by country and city is linked on this page.

Which city has the most water quality protection groups?

Washington leads with 7 company records, followed by Seattle (5) and Houston (4).

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 1,811 professional contacts with verified work emails tracked across these 382 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.