Company lists · Data refreshed November 2026

Top 25 Water management auditors worldwide

RevenueBase identified 180 company matches for water management auditors worldwide as of November 2026 and tracks 2,479 professional contacts across them, including 863 with verified work emails. The United States is the largest market and Denver the largest hub.

This list covers company matches for water management auditors 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 management auditors 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
180Companies
2,479Contacts tracked
863Verified emails
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The 25 largest water management auditors worldwide

Ranked by team size
Top 25 of 180 company matches for water management auditors 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 matchRomaniaHQ recorded Nov 6, 2026501-1,000461 contacts →

Exact match

“Administraţia Naţională Apele Române are în administrare- 78.905 km cursuri de apă- 295,6 mii ha suprafaţă de teren cu ape- 270 lacuri de acumulare cu un volum total de 14,5…”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
2Exact matchTarbes, FranceHQ recorded Nov 6, 2026201-500209 contacts →

Exact match

“Après 65 ans d'existence, la CACG est officiellement devenue Rives & Eaux du Sud-Ouest.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
3Exact matchGeismar, LA, United StatesHQ recorded Nov 6, 202651-200198 contacts →

Exact match

“At Spectrum, our mission is simple: to provide smarter, more efficient, and sustainable water solutions.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
4Exact matchMorrisville, CO, United StatesHQ recorded Nov 6, 2026501-1,000151 contacts →

Exact match

“AQUALIS is the national leader in water management, compliance and engineering, helping businesses meet complex water regulations while protecting long-term infrastructure.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
5Exact matchHaarlem, NetherlandsHQ recorded Nov 6, 202651-200109 contacts →

Exact match

“Het Waterlaboratorium is een zelfstandig opererend semipubliek bedrijf met drie sterke aandeelhouders: Dunea Duin en Water, PWN Waterleidingbedrijf Noord-Holland en Waternet…”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
6Exact matchChennai, IndiaHQ recorded Nov 6, 202611-50109 contacts →

Exact match

“We are India’s leading in-depth knowledge providers related to water and waste water industry and create awareness about effective water management systems.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
7Exact matchDavis, CA, United StatesHQ recorded Nov 6, 202651-20081 contacts →

Exact match

“Larry Walker Associates (LWA) is a privately owned firm headquartered in Davis, California, with offices in Berkeley, Yreka, Santa Monica, Ventura, San Diego, and Seattle, WA.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
8Exact matchVaughan, ON, CanadaHQ recorded Nov 6, 202611-5066 contacts →

Exact match

Recorded description not available.

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
9Exact 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
10Exact matchNorth Berwick, United KingdomHQ recorded Nov 6, 2026n/a36 contacts →

Exact match

“Water Stewardship Assurance Services (WSAS) is the mission-driven assurance provider for the Alliance for Water Stewardship (AWS) System.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
11Exact matchAlexandria, VA, United StatesHQ recorded Nov 6, 202611-5033 contacts →

Exact match

“Water Management, Inc.(WMI) is well established in the field of water efficiency and conservation and has developed a successful track record since its founding in 1980.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
12Exact matchBromsgrove, United KingdomHQ recorded Nov 6, 202651-20031 contacts →

Exact match

“Watertight Management has established itself as a leader in the provision of Clean and Waste water management services.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
13Exact matchAuckland, New ZealandHQ recorded Nov 6, 202611-5027 contacts →

Exact match

“Trusted, Innovative, Water Solutions.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
14Exact matchEnnis, IrelandHQ recorded Nov 6, 202611-5027 contacts →

Exact match

“SES Water Management provides decisive solutions to the sustainability challenges faced by modern businesses in the retail, industrial, construction and tourism sectors.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
15Exact matchSao Paulo, BrazilHQ recorded Nov 6, 20261-1022 contacts →

Exact match

“A ECCOFLUXO tem como foco a Eficiência Energética.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
16Exact matchRichmond, VA, United StatesHQ recorded Nov 6, 202611-5021 contacts →

Exact match

“Aegis provides integrated, cost-effective environmental management strategies to industry and government.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
17Exact matchHouse, AustraliaHQ recorded Nov 6, 2026501-1,00021 contacts →

Exact match

“The AWQC provides a comprehensive range of water and wastewater services including sampling, analysis, advice and research.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
18Exact matchPhoenix, AZ, United StatesHQ recorded Nov 6, 202611-5020 contacts →

Exact match

“At Phoenix Water Solutions, we are dedicated to delivering innovative water conservation solutions that drive efficiency, sustainability, and cost savings.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
19Exact matchPune, IndiaHQ recorded Nov 6, 202651-20018 contacts →

Exact match

“At PTC WaterTech LLP, we offer a comprehensive range of services in water and wastewater management.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
20Exact matchBrossard, QC, CanadaHQ recorded Nov 6, 20261-1017 contacts →

Exact match

“Darspec plays a key role in drinking water management and protection strategies.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
21Exact matchPymblesydney, AustraliaHQ recorded Nov 6, 202611-5017 contacts →

Exact match

“Founded in 2006, WaterGroup is one of Australia's largest integrated water and network efficiency companies.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
22Exact matchMilton, ON, CanadaHQ recorded Nov 6, 202611-5015 contacts →

Exact match

“We are a Canadian based water conservation consulting firm.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
23Exact matchUnited StatesHQ recorded Nov 6, 202651-20014 contacts →

Exact match

“Silt Solutions is your one-stop shop for stormwater management during construction projects.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
24Exact matchGroningen, NetherlandsHQ recorded Nov 6, 202611-5012 contacts →

Exact match

“Een heldere kijk op water… Water.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
25Exact matchAhmedabad, IndiaHQ recorded Nov 6, 202611-5012 contacts →

Exact match

“Water is our World.”

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

Showing 25 of 180 water management auditors worldwide

See the full list, filter by size, metro and specialty, and access 863 tracked professional contacts with verified work emails. Direct dials are available where recorded.

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Water management auditors worldwide at a glance

As of Nov 6, 2026
34.8%Verified-email coverage
13.8Average contacts per company
1-10Median size (employees)
1.7%Largest-city concentration · Denver
Nov 6, 2026Page data refreshed

Companies by employee count

1-10
96
11-50
61
51-200
15
201-500
3
501-1,000
4

Email recency is reported on each country list linked below.

How this list was built

The recorded descriptions help you assess these company matches. Check a company’s website for its current services and locations.

Source
The RevenueBase company graph: 60 million companies and 398.9 million professional contacts resolved from primary sources, queried with RevenueBase SmartSearch, the natural-language company search available to every RevenueBase user.
Coverage
Every country. Country and city lists for water management auditors are linked below.
What qualifies
Company records worldwide whose business descriptions match “water management auditors” 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 863 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 management auditors by location

1 lists · largest first

Every Water management auditors 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 management auditors”; each Exact match badge shows search membership, not an individual similarity or quality score.

How many water management auditors are there worldwide?

RevenueBase identified 180 company matches for water management auditors 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?

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

Which country has the most water management auditors?

The United States leads with 53 companies. Every water management auditors list by country and city is linked on this page.

Which city has the most water management auditors?

Denver leads with 3 company records, followed by Paris (3) and Barueri (2).

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 863 professional contacts with verified work emails tracked across these 180 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.