Company lists · Data refreshed November 2026
Top 25 Water quality nonprofits worldwide
RevenueBase identified 1,294 company matches for water quality nonprofits worldwide as of November 2026 and tracks 13,504 professional contacts across them, including 4,258 with verified work emails. The United States is the largest market and Washington the largest hub.
This list covers company matches for water quality nonprofits 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 nonprofits 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.
The 25 largest water quality nonprofits worldwide
Ranked by team size| # | Company | Contacts | |||
|---|---|---|---|---|---|
| 1 | 387 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 | |||||
| 2 | 380 contacts → | ||||
Exact match “At Culligan Water Conditioning of Jacksonville FL, we not only aim to provide better water to the community, we are also committed to building a better, more sustainable world.” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase | |||||
| 3 | 326 contacts → | ||||
Exact match “charity: water is a non-profit bringing clean and safe drinking water to people around the world.” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase | |||||
| 4 | 317 contacts → | ||||
Exact match “The Chesapeake Bay Foundation (CBF) fights for bold and creative solutions to the pollution that plagues the Bay and its tributaries.” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase | |||||
| 5 | 294 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 | |||||
| 6 | 237 contacts → | ||||
Exact match “Seaside Sustainability is a nationally recognized, award-winning 501(c)3 charitable organization dedicated to community engagement, education and environmental conservation.” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase | |||||
| 7 | 227 contacts → | ||||
Exact match “Agir pour une eau de qualité, aujourd’hui et demain Préserver l’eau, c’est protéger la vie, les territoires et les générations futures.” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase | |||||
| 8 | 224 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 | |||||
| 9 | 209 contacts → | ||||
Exact match “WaterHealth International (WHI) is a global leader in providing access to safe, WHO-quality affordable drinking water to underserved communities.” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase | |||||
| 10 | 154 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 | |||||
| 11 | 138 contacts → | ||||
Exact match “Our Mission: Heal the Bay is an environmental nonprofit making LA’s coastal waters and watersheds, including Santa Monica Bay, safe, healthy and clean.” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase | |||||
| 12 | 132 contacts → | ||||
Exact match “VEI - Dutch Water Operators Providing universal access to potable water positively boosts the economic and social development of a region.” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase | |||||
| 13 | 109 contacts → | ||||
Exact match “Viva con Agua de Sankt Pauli is an organisation committed to ensuring that all people worldwide have access to clean drinking water.” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase | |||||
| 14 | 106 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 | |||||
| 15 | 100 contacts → | ||||
Exact match “نوفر مياه ذات جودة استثنائية, وبأعلى معايير الجودة.” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase | |||||
| 16 | 99 contacts → | ||||
Exact match “Our Mission: CDD India is a not-for-profit organization, registered in 2005, that innovates, demonstrates and disseminates decentralized nature-based solutions for the…” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase | |||||
| 17 | 96 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 | |||||
| 18 | 95 contacts → | ||||
Exact match “Bridging The Gap brings people together to protect and restore the web of life on Earth and foster inclusive, thriving communities through environmental education, innovation, and…” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase | |||||
| 19 | 89 contacts → | ||||
Exact match “Our mission : Protection and sustainable management of the coastline Surfrider Foundation Europe is a non profit organization, dedicated to defending, saving, improving and…” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase | |||||
| 20 | 89 contacts → | ||||
Exact match “The Water Research Foundation (WRF) is the leading research organization advancing the science of all water to meet the evolving needs of its subscribers and the water sector.” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase | |||||
| 21 | 83 contacts → | ||||
Exact match “We are Natuur & Milieu.” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase | |||||
| 22 | 83 contacts → | ||||
Exact match “Wine To Water is a global nonprofit committed to loving and serving through the power of clean water.” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase | |||||
| 23 | 82 contacts → | ||||
Exact match “Save the Sound leads environmental action across Connecticut, Westchester, NYC, and Long Island.” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase | |||||
| 24 | 71 contacts → | ||||
Exact match “Dopper exists to solve something, not sell something.” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase | |||||
| 25 | 71 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 | |||||
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 “water quality nonprofits”. 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 1,294 water quality nonprofits worldwide
See the full list, filter by size, metro and specialty, and access 4,258 tracked professional contacts with verified work emails. Direct dials are available where recorded.
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Water quality nonprofits worldwide at a glance
As of Nov 6, 2026Companies by employee count
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 nonprofits are linked below.
- What qualifies
- Company records worldwide whose business descriptions match “water quality nonprofits” 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 4,258 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 nonprofits by location
4 lists · largest firstEvery Water quality nonprofits 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 nonprofits”; each Exact match badge shows search membership, not an individual similarity or quality score.
How many water quality nonprofits are there worldwide?
RevenueBase identified 1,294 company matches for water quality nonprofits 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 nonprofits?
The United States leads with 652 companies, followed by Canada (67) and India (55). Every water quality nonprofits list by country and city is linked on this page.
Which city has the most water quality nonprofits?
Washington leads with 13 company records, followed by Bangalore (9) and Denver (9).
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 4,258 professional contacts with verified work emails tracked across these 1,294 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.
Ready to reach these companies? Verified emails and direct dials for all 1,294 water quality nonprofits worldwide. Start with a free account, no credit card.
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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.
More company lists
Company intelligence · public preview
Top 25 water quality nonprofits worldwide
Find companies in any niche.
Describe the businesses you want in your own words. RevenueBase SmartSearch matches company descriptions by meaning.
RevenueBase records 1,294 matching company records for water quality nonprofits worldwide, with 13,504 tracked contacts and 4,258 verified work emails.
This public preview shows 25 selected records ordered by tracked contacts. RevenueBase SmartSearch finds company descriptions that match by meaning at Exact. Snapshot: November 6, 2026.
RevenueBase compiles business descriptions for niche-company discovery; each row shows a recorded excerpt where available. Adapt this search to find the companies and contacts you want.
Top 25 water quality nonprofits worldwide
The public list shows selected company records with contact and verified-email coverage. Reported employee bands provide separate company-size context.
| # | Company | Headquarters on record | Reported employees | RevenueBase SmartSearch | Tracked contacts |
|---|---|---|---|---|---|
| 1 |  Clean Water Actioncleanwater.orgHQ: Washington, DC, United StatesReported employees: 51-200 | Washington, DC, United States | 51-200 | Exact match | 387 contacts → |
“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 description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 2 |  Culligan Waterculligan.comHQ: Jacksonville, FL, United StatesReported employees: 51-200 | Jacksonville, FL, United States | 51-200 | Exact match | 380 contacts → |
“At Culligan Water Conditioning of Jacksonville FL, we not only aim to provide better water to the community, we are also committed to building a better, more sustainable world.” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 3 |  Charity Watercharitywater.orgHQ: Franklin, TN, United StatesReported employees: 51-200 | Franklin, TN, United States | 51-200 | Exact match | 326 contacts → |
“charity: water is a non-profit bringing clean and safe drinking water to people around the world.” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 4 |  Chesapeake BAY Foundationcbf.orgHQ: Annapolis, MD, United StatesReported employees: 51-200 | Annapolis, MD, United States | 51-200 | Exact match | 317 contacts → |
“The Chesapeake Bay Foundation (CBF) fights for bold and creative solutions to the pollution that plagues the Bay and its tributaries.” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 5 |  Water Environment Federationwef.orgHQ: Alexandria, VA, United StatesReported employees: 51-200 | Alexandria, VA, United States | 51-200 | Exact match | 294 contacts → |
“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 description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 6 |  Seaside Sustainabilityseasidesustainability.orgHQ: Gloucester, MA, United StatesReported employees: 51-200 | Gloucester, MA, United States | 51-200 | Exact match | 237 contacts → |
“Seaside Sustainability is a nationally recognized, award-winning 501(c)3 charitable organization dedicated to community engagement, education and environmental conservation.” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 7 |  Agence DE L'eau Loire-Bretagneagence.eau-loire-bretagne.frHQ: Orleans Cedex 2, FranceReported employees: 201-500 | Orleans Cedex 2, France | 201-500 | Exact match | 227 contacts → |
“Agir pour une eau de qualité, aujourd’hui et demain Préserver l’eau, c’est protéger la vie, les territoires et les générations futures.” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 8 | HQ: Washington, DC, United StatesReported employees: 51-200 | Washington, DC, United States | 51-200 | Exact match | 224 contacts → |
“LCV believes our earth is worth fighting for because everyone has a right to clean air, water, and a safe, healthy community.” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 9 |  Waterhealth Internationalwaterhealth.comHQ: Irvine, CA, United StatesReported employees: 501-1,000 | Irvine, CA, United States | 501-1,000 | Exact match | 209 contacts → |
“WaterHealth International (WHI) is a global leader in providing access to safe, WHO-quality affordable drinking water to underserved communities.” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 10 |  American Riversamericanrivers.orgHQ: Washington, DC, United StatesReported employees: 51-200 | Washington, DC, United States | 51-200 | Exact match | 154 contacts → |
“American Rivers protects wild rivers, restores damaged rivers, and conserves clean water for people and nature.” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 11 |  Heal The BAYhealthebay.orgHQ: Santa Monica, CA, United StatesReported employees: 11-50 | Santa Monica, CA, United States | 11-50 | Exact match | 138 contacts → |
“Our Mission: Heal the Bay is an environmental nonprofit making LA’s coastal waters and watersheds, including Santa Monica Bay, safe, healthy and clean.” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 12 |  VEIvei.nlHQ: Utrecht, NetherlandsReported employees: 51-200 | Utrecht, Netherlands | 51-200 | Exact match | 132 contacts → |
“VEI - Dutch Water Operators Providing universal access to potable water positively boosts the economic and social development of a region.” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 13 |  Viva CON Aguavivaconagua.orgHQ: Hamburg, GermanyReported employees: 11-50 | Hamburg, Germany | 11-50 | Exact match | 109 contacts → |
“Viva con Agua de Sankt Pauli is an organisation committed to ensuring that all people worldwide have access to clean drinking water.” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 14 |  Luságualusagua.ptHQ: Lisbon, PortugalReported employees: 1,001-5,000 | Lisbon, Portugal | 1,001-5,000 | Exact match | 106 contacts → |
“At Saur, we mobilize ourselves daily to protect and preserve water across all territories.” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 15 |  شركة مياه مواردmawaredal-hayat.comHQ: الخرج, Saudi ArabiaReported employees: 201-500 | الخرج, Saudi Arabia | 201-500 | Exact match | 100 contacts → |
“نوفر مياه ذات جودة استثنائية, وبأعلى معايير الجودة.” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 16 |  CDD Indiacddindia.orgHQ: Bangalore, IndiaReported employees: 51-200 | Bangalore, India | 51-200 | Exact match | 99 contacts → |
“Our Mission: CDD India is a not-for-profit organization, registered in 2005, that innovates, demonstrates and disseminates decentralized nature-based solutions for the…” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 17 |  Agence DE L'eau Artois-Picardieeau-artois-picardie.frHQ: Douai, FranceReported employees: 51-200 | Douai, France | 51-200 | Exact match | 96 contacts → |
“L'Agence de l'Eau Artois-Picardie agit pour reconquérir la qualité de l’eau et des milieux aquatiques.” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 18 |  Bridging The GAPbridgingthegap.orgHQ: Kansas City, MO, United StatesReported employees: 11-50 | Kansas City, MO, United States | 11-50 | Exact match | 95 contacts → |
“Bridging The Gap brings people together to protect and restore the web of life on Earth and foster inclusive, thriving communities through environmental education, innovation, and…” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 19 | Surfrider Foundation Europesurfrider.eu HQ: FranceReported employees: 11-50 | France | 11-50 | Exact match | 89 contacts → |
“Our mission : Protection and sustainable management of the coastline Surfrider Foundation Europe is a non profit organization, dedicated to defending, saving, improving and…” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 20 |  The Water Research Foundation WRFwaterrf.orgHQ: Denver, VA, United StatesReported employees: 51-200 | Denver, VA, United States | 51-200 | Exact match | 89 contacts → |
“The Water Research Foundation (WRF) is the leading research organization advancing the science of all water to meet the evolving needs of its subscribers and the water sector.” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 21 |  Natuur & Milieunatuurenmilieu.nlHQ: Utrecht, NetherlandsReported employees: 11-50 | Utrecht, Netherlands | 11-50 | Exact match | 83 contacts → |
“We are Natuur & Milieu.” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 22 |  Wine To Waterwtw.orgHQ: Boone, NC, United StatesReported employees: 51-200 | Boone, NC, United States | 51-200 | Exact match | 83 contacts → |
“Wine To Water is a global nonprofit committed to loving and serving through the power of clean water.” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 23 |  Save The Soundsavethesound.orgHQ: New Haven, NY, United StatesReported employees: 11-50 | New Haven, NY, United States | 11-50 | Exact match | 82 contacts → |
“Save the Sound leads environmental action across Connecticut, Westchester, NYC, and Long Island.” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 24 |  Dopperdopper.comHQ: Haarlem, NetherlandsReported employees: 51-200 | Haarlem, Netherlands | 51-200 | Exact match | 71 contacts → |
“Dopper exists to solve something, not sell something.” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 25 |  Save The Water STWsavethewater.orgHQ: Fort Lauderdale, FL, United StatesReported employees: 51-200 | Fort Lauderdale, FL, United States | 51-200 | Exact match | 71 contacts → |
“Save the Water™ (STW™) is a U.S-based nonprofit organization dedicated to water quality research.” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
Showing 25 of 1,294 company matches
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Water quality nonprofits: dataset insights
November 6, 2026These summaries describe recorded coverage in this saved dataset. This page is derived from saved source records; per-contact mobile coverage and email-recency results are not established by this snapshot.
Reported company sizes
1,284 records in the displayed employee bands.
10 matching records are outside the displayed bands or do not have a displayed size. Bars show shares of the displayed bands.
Email recency for this list is measured across the whole country list rather than for Worldwide, so it is reported there. Company counts and contact totals on this page are exact for Worldwide, over 1,294 companies.
How this company list was built
Describe a niche in your own words: companies installing commercial solar, or manufacturers of sustainable packaging. RevenueBase SmartSearch finds companies whose compiled business descriptions match by meaning. This list is one saved example to adapt.
Where the company descriptions come from
RevenueBase compiles company information from public sources, including company websites and public professional profiles such as LinkedIn, alongside information supplied by companies. The short recorded excerpt shown here is separate from the complete business description used for matching; individual source URLs and collection dates are not provided in this public snapshot.
RevenueBase SmartSearch matching settings
- Exact
- Closest fits to the business described.
- Similar
- Similar businesses with a wider range of fits.
- Related
- Related businesses in and around the category.
- Broad
- A broader set of businesses connected to the description.
RevenueBase SmartSearch · Exact match identifies inclusion in this search's closest semantic matching setting. It is not a per-company confidence score, a literal keyword match, or a quality endorsement.
Selection, ordering and scope
The public list shows selected company records with contact and verified-email coverage. Reported employee bands provide separate company-size context.
This page is derived from saved source records; per-contact mobile coverage and email-recency results are not established by this snapshot.
Recorded company descriptions support research; check company websites for current services. The selected preview is ordered by tracked contacts and is not a list of the best service providers.
Snapshot: November 6, 2026.
RevenueBase is a B2B data infrastructure company. Its September 3, 2026 published methodology describes a graph of 60 million companies and 398.9 million professional contacts; these platform figures differ from this page's totals. Published methodology ↗
Water quality nonprofits by location
4 lists · largest firstEvery Water quality nonprofits list RevenueBase publishes, by country and city. Counts are matching companies in each list as of its own refresh date.
Countries
Questions about this company list
What does Exact match mean for water quality nonprofits?
The separate RevenueBase SmartSearch column identifies inclusion at the closest semantic matching preset. It is not a literal keyword match, a per-company confidence score or a quality endorsement. Changing the search form opens a new search in RevenueBase; it does not reclassify these saved rows.
How many water quality nonprofits did RevenueBase find worldwide?
The saved snapshot records 1,294 matching company records, 13,504 tracked contacts and 4,258 verified emails. The public preview displays 25 selected records.
Where do the company descriptions come from?
RevenueBase compiles company information from public sources, including company websites and public professional profiles such as LinkedIn, alongside information supplied by companies. The short recorded excerpt shown here is separate from the complete business description used for matching; individual source URLs and collection dates are not provided in this public snapshot.
How are the public companies ordered?
The selected public records are ordered by contacts tracked in RevenueBase, highest first. Contact coverage is a prospecting measure, not an assessment of the company's services or quality.
How can I get contact information?
Select a company's contact count to open its filtered contacts in RevenueBase. Free signup is required and includes 500 credits and limited free results. Verified emails, direct dials and mobile numbers depend on available coverage.
How current is this list?
Snapshot: November 6, 2026. Review each company's website for current services and locations. A recorded business description does not establish that every company offers every service named in the search.
What do headquarters and employee bands mean?
These are recorded company-level fields, rather than a map of every branch or a count of specialists. Missing headquarters or employee bands are labeled; older records may show a location separately from recorded headquarters.
Build your next target company list
Adapt this niche search and work with available contacts in RevenueBase.
Related lists
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Cite this list
RevenueBase Data Team. Top 25 water quality nonprofits worldwide. Snapshot: November 6, 2026. https://revenuebase.ai/companies/browse/water-quality-nonprofits.
This is a selected public preview of saved company records, rather than an independently verified census. Open the source page ↗
More company lists
Company intelligence · public preview
Top 25 water quality nonprofits worldwide
RevenueBase records 1,294 matching company records for water quality nonprofits worldwide, with 13,504 tracked contacts and 4,258 verified work emails.
This public preview shows 25 selected records ordered by tracked contacts. RevenueBase SmartSearch finds company descriptions that match by meaning at Exact. Snapshot: November 6, 2026.
RevenueBase compiles business descriptions for niche-company discovery; each row shows a recorded excerpt where available. Adapt this search to find the companies and contacts you want.
Top 25 water quality nonprofits worldwide
The public list shows selected company records with contact and verified-email coverage. Reported employee bands provide separate company-size context.
| # | Company | Headquarters on record | Reported employees | RevenueBase SmartSearch | Tracked contacts |
|---|---|---|---|---|---|
| 1 | Clean Water Actioncleanwater.org HQ: Washington, DC, United StatesReported employees: 51-200 | Washington, DC, United States | 51-200 | Exact match | 387 contacts → |
“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 description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 2 | Culligan Waterculligan.com HQ: Jacksonville, FL, United StatesReported employees: 51-200 | Jacksonville, FL, United States | 51-200 | Exact match | 380 contacts → |
“At Culligan Water Conditioning of Jacksonville FL, we not only aim to provide better water to the community, we are also committed to building a better, more sustainable world.” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 3 | Charity Watercharitywater.org HQ: Franklin, TN, United StatesReported employees: 51-200 | Franklin, TN, United States | 51-200 | Exact match | 326 contacts → |
“charity: water is a non-profit bringing clean and safe drinking water to people around the world.” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 4 | Chesapeake BAY Foundationcbf.org HQ: Annapolis, MD, United StatesReported employees: 51-200 | Annapolis, MD, United States | 51-200 | Exact match | 317 contacts → |
“The Chesapeake Bay Foundation (CBF) fights for bold and creative solutions to the pollution that plagues the Bay and its tributaries.” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 5 | Water Environment Federationwef.org HQ: Alexandria, VA, United StatesReported employees: 51-200 | Alexandria, VA, United States | 51-200 | Exact match | 294 contacts → |
“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 description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 6 | Seaside Sustainabilityseasidesustainability.org HQ: Gloucester, MA, United StatesReported employees: 51-200 | Gloucester, MA, United States | 51-200 | Exact match | 237 contacts → |
“Seaside Sustainability is a nationally recognized, award-winning 501(c)3 charitable organization dedicated to community engagement, education and environmental conservation.” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 7 | Agence DE L'eau Loire-Bretagneagence.eau-loire-bretagne.fr HQ: Orleans Cedex 2, FranceReported employees: 201-500 | Orleans Cedex 2, France | 201-500 | Exact match | 227 contacts → |
“Agir pour une eau de qualité, aujourd’hui et demain Préserver l’eau, c’est protéger la vie, les territoires et les générations futures.” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 8 | HQ: Washington, DC, United StatesReported employees: 51-200 | Washington, DC, United States | 51-200 | Exact match | 224 contacts → |
“LCV believes our earth is worth fighting for because everyone has a right to clean air, water, and a safe, healthy community.” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 9 | Waterhealth Internationalwaterhealth.com HQ: Irvine, CA, United StatesReported employees: 501-1,000 | Irvine, CA, United States | 501-1,000 | Exact match | 209 contacts → |
“WaterHealth International (WHI) is a global leader in providing access to safe, WHO-quality affordable drinking water to underserved communities.” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 10 | American Riversamericanrivers.org HQ: Washington, DC, United StatesReported employees: 51-200 | Washington, DC, United States | 51-200 | Exact match | 154 contacts → |
“American Rivers protects wild rivers, restores damaged rivers, and conserves clean water for people and nature.” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 11 | Heal The BAYhealthebay.org HQ: Santa Monica, CA, United StatesReported employees: 11-50 | Santa Monica, CA, United States | 11-50 | Exact match | 138 contacts → |
“Our Mission: Heal the Bay is an environmental nonprofit making LA’s coastal waters and watersheds, including Santa Monica Bay, safe, healthy and clean.” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 12 | VEIvei.nl HQ: Utrecht, NetherlandsReported employees: 51-200 | Utrecht, Netherlands | 51-200 | Exact match | 132 contacts → |
“VEI - Dutch Water Operators Providing universal access to potable water positively boosts the economic and social development of a region.” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 13 | Viva CON Aguavivaconagua.org HQ: Hamburg, GermanyReported employees: 11-50 | Hamburg, Germany | 11-50 | Exact match | 109 contacts → |
“Viva con Agua de Sankt Pauli is an organisation committed to ensuring that all people worldwide have access to clean drinking water.” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 14 | Luságualusagua.pt HQ: Lisbon, PortugalReported employees: 1,001-5,000 | Lisbon, Portugal | 1,001-5,000 | Exact match | 106 contacts → |
“At Saur, we mobilize ourselves daily to protect and preserve water across all territories.” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 15 | شركة مياه مواردmawaredal-hayat.com HQ: الخرج, Saudi ArabiaReported employees: 201-500 | الخرج, Saudi Arabia | 201-500 | Exact match | 100 contacts → |
“نوفر مياه ذات جودة استثنائية, وبأعلى معايير الجودة.” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 16 | CDD Indiacddindia.org HQ: Bangalore, IndiaReported employees: 51-200 | Bangalore, India | 51-200 | Exact match | 99 contacts → |
“Our Mission: CDD India is a not-for-profit organization, registered in 2005, that innovates, demonstrates and disseminates decentralized nature-based solutions for the…” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 17 | Agence DE L'eau Artois-Picardieeau-artois-picardie.fr HQ: Douai, FranceReported employees: 51-200 | Douai, France | 51-200 | Exact match | 96 contacts → |
“L'Agence de l'Eau Artois-Picardie agit pour reconquérir la qualité de l’eau et des milieux aquatiques.” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 18 | Bridging The GAPbridgingthegap.org HQ: Kansas City, MO, United StatesReported employees: 11-50 | Kansas City, MO, United States | 11-50 | Exact match | 95 contacts → |
“Bridging The Gap brings people together to protect and restore the web of life on Earth and foster inclusive, thriving communities through environmental education, innovation, and…” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 19 | Surfrider Foundation Europesurfrider.eu HQ: FranceReported employees: 11-50 | France | 11-50 | Exact match | 89 contacts → |
“Our mission : Protection and sustainable management of the coastline Surfrider Foundation Europe is a non profit organization, dedicated to defending, saving, improving and…” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 20 | The Water Research Foundation WRFwaterrf.org HQ: Denver, VA, United StatesReported employees: 51-200 | Denver, VA, United States | 51-200 | Exact match | 89 contacts → |
“The Water Research Foundation (WRF) is the leading research organization advancing the science of all water to meet the evolving needs of its subscribers and the water sector.” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 21 | Natuur & Milieunatuurenmilieu.nl HQ: Utrecht, NetherlandsReported employees: 11-50 | Utrecht, Netherlands | 11-50 | Exact match | 83 contacts → |
“We are Natuur & Milieu.” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 22 | Wine To Waterwtw.org HQ: Boone, NC, United StatesReported employees: 51-200 | Boone, NC, United States | 51-200 | Exact match | 83 contacts → |
“Wine To Water is a global nonprofit committed to loving and serving through the power of clean water.” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 23 | Save The Soundsavethesound.org HQ: New Haven, NY, United StatesReported employees: 11-50 | New Haven, NY, United States | 11-50 | Exact match | 82 contacts → |
“Save the Sound leads environmental action across Connecticut, Westchester, NYC, and Long Island.” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 24 | Dopperdopper.com HQ: Haarlem, NetherlandsReported employees: 51-200 | Haarlem, Netherlands | 51-200 | Exact match | 71 contacts → |
“Dopper exists to solve something, not sell something.” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 25 | Save The Water STWsavethewater.org HQ: Fort Lauderdale, FL, United StatesReported employees: 51-200 | Fort Lauderdale, FL, United States | 51-200 | Exact match | 71 contacts → |
“Save the Water™ (STW™) is a U.S-based nonprofit organization dedicated to water quality research.” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
Showing 25 of 1,294 company matches
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Water quality nonprofits: dataset insights
November 6, 2026These summaries describe recorded coverage in this saved dataset. This page is derived from saved source records; per-contact mobile coverage and email-recency results are not established by this snapshot.
Reported company sizes
1,284 records in the displayed employee bands.
10 matching records are outside the displayed bands or do not have a displayed size. Bars show shares of the displayed bands.
Email recency for this list is measured across the whole country list rather than for Worldwide, so it is reported there. Company counts and contact totals on this page are exact for Worldwide, over 1,294 companies.
How this company list was built
Describe a niche in your own words: companies installing commercial solar, or manufacturers of sustainable packaging. RevenueBase SmartSearch finds companies whose compiled business descriptions match by meaning. This list is one saved example to adapt.
Where the company descriptions come from
RevenueBase compiles company information from public sources, including company websites and public professional profiles such as LinkedIn, alongside information supplied by companies. The short recorded excerpt shown here is separate from the complete business description used for matching; individual source URLs and collection dates are not provided in this public snapshot.
RevenueBase SmartSearch matching settings
- Exact
- Closest fits to the business described.
- Similar
- Similar businesses with a wider range of fits.
- Related
- Related businesses in and around the category.
- Broad
- A broader set of businesses connected to the description.
RevenueBase SmartSearch · Exact match identifies inclusion in this search's closest semantic matching setting. It is not a per-company confidence score, a literal keyword match, or a quality endorsement.
Selection, ordering and scope
The public list shows selected company records with contact and verified-email coverage. Reported employee bands provide separate company-size context.
This page is derived from saved source records; per-contact mobile coverage and email-recency results are not established by this snapshot.
Recorded company descriptions support research; check company websites for current services. The selected preview is ordered by tracked contacts and is not a list of the best service providers.
Snapshot: November 6, 2026.
RevenueBase is a B2B data infrastructure company. Its September 3, 2026 published methodology describes a graph of 60 million companies and 398.9 million professional contacts; these platform figures differ from this page's totals. Published methodology ↗
Water quality nonprofits by location
4 lists · largest firstEvery Water quality nonprofits list RevenueBase publishes, by country and city. Counts are matching companies in each list as of its own refresh date.
Countries
Questions about this company list
What does Exact match mean for water quality nonprofits?
The separate RevenueBase SmartSearch column identifies inclusion at the closest semantic matching preset. It is not a literal keyword match, a per-company confidence score or a quality endorsement. Changing the search form opens a new search in RevenueBase; it does not reclassify these saved rows.
How many water quality nonprofits did RevenueBase find worldwide?
The saved snapshot records 1,294 matching company records, 13,504 tracked contacts and 4,258 verified emails. The public preview displays 25 selected records.
Where do the company descriptions come from?
RevenueBase compiles company information from public sources, including company websites and public professional profiles such as LinkedIn, alongside information supplied by companies. The short recorded excerpt shown here is separate from the complete business description used for matching; individual source URLs and collection dates are not provided in this public snapshot.
How are the public companies ordered?
The selected public records are ordered by contacts tracked in RevenueBase, highest first. Contact coverage is a prospecting measure, not an assessment of the company's services or quality.
How can I get contact information?
Select a company's contact count to open its filtered contacts in RevenueBase. Free signup is required and includes 500 credits and limited free results. Verified emails, direct dials and mobile numbers depend on available coverage.
How current is this list?
Snapshot: November 6, 2026. Review each company's website for current services and locations. A recorded business description does not establish that every company offers every service named in the search.
What do headquarters and employee bands mean?
These are recorded company-level fields, rather than a map of every branch or a count of specialists. Missing headquarters or employee bands are labeled; older records may show a location separately from recorded headquarters.
Build your next target company list
Adapt this niche search and work with available contacts in RevenueBase.
Related lists
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Cite this list
RevenueBase Data Team. Top 25 water quality nonprofits worldwide. Snapshot: November 6, 2026. https://revenuebase.ai/companies/browse/water-quality-nonprofits.
This is a selected public preview of saved company records, rather than an independently verified census. Open the source page ↗