Company lists · Data refreshed September 2026

Top 25 Water conservation consulting firms worldwide

RevenueBase identified 2,930 company matches for water conservation consulting firms worldwide as of September 2026 and tracks 57,092 professional contacts across them, including 20,621 with verified work emails. The United States is the largest market and Sao Paulo the largest hub.

This list covers company matches for water conservation consulting firms worldwide, found by RevenueBase SmartSearch using the meaning of business descriptions in its company graph at Exact. Ranked by professionals tracked, largest first. Rows show recorded descriptions where available, Exact search membership and the snapshot date. Data refreshed September 29, 2026. Country and city lists for water conservation consulting firms follow the table.

Published by RevenueBase, a B2B data infrastructure company. This list was built with RevenueBase SmartSearch, the natural-language company search RevenueBase customers use to build their own targeted lists and unlock verified emails and direct dials at the companies on them. How these lists are built and judged.

How to read this list RevenueBase SmartSearch · Exact Recorded Sep 29, 2026 How this list was built
2,930Companies
57,092Contacts tracked
20,621Verified emails
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The 25 largest water conservation consulting firms worldwide

Ranked by team size
Top 25 of 2,930 company matches for water conservation consulting firms worldwide, ordered by professional contacts tracked in RevenueBase, largest first. Recorded Sep 29, 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 matchPasadena, CA, United StatesHQ recorded Sep 29, 202610001+12,999 contacts →

Exact match

“Tetra Tech is the leader in water, environment and sustainable infrastructure, providing high-end technical and engineering services for projects worldwide.”

Recorded in the RevenueBase company graph · Sep 29, 2026 · View company records in RevenueBase
2Exact matchLondon, United KingdomHQ recorded Sep 29, 20265,001-10,0006,636 contacts →

Exact match

“At Pentair, we help the world sustainably move, improve, and enjoy water, life’s most essential resource.”

Recorded in the RevenueBase company graph · Sep 29, 2026 · View company records in RevenueBase
3Exact matchWashington, DC, United StatesHQ recorded Sep 29, 202610001+2,639 contacts →

Exact match

“Evoqua has now joined Xylem.”

Recorded in the RevenueBase company graph · Sep 29, 2026 · View company records in RevenueBase
4Exact matchNew York, NY, United StatesHQ recorded Sep 29, 20261,001-5,0002,100 contacts →

Exact match

“As Hazen marks 75 years, we celebrate a legacy of absolute commitment to our clients while delivering the best technical work available anywhere.”

Recorded in the RevenueBase company graph · Sep 29, 2026 · View company records in RevenueBase
5Exact matchPhoenix, AZ, United StatesHQ recorded Sep 29, 20261,001-5,0001,629 contacts →

Exact match

“Founded on a commitment to sound science and creative solutions, SWCA is a leader in environmental and management consulting services.”

Recorded in the RevenueBase company graph · Sep 29, 2026 · View company records in RevenueBase
6Exact matchMadrid, SpainHQ recorded Sep 29, 20265,001-10,0001,395 contacts →

Exact match

“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).”

Recorded in the RevenueBase company graph · Sep 29, 2026 · View company records in RevenueBase
7Exact matchVitacura, ChileHQ recorded Sep 29, 202610001+988 contacts →

Exact match

“WSP en una empresa líder en servicios profesionales de consultoría en recursos hídricos, ingeniería, medio ambiente y sustentabilidad.”

Recorded in the RevenueBase company graph · Sep 29, 2026 · View company records in RevenueBase
8Exact matchRedhill, United KingdomHQ recorded Sep 29, 2026501-1,000842 contacts →

Exact match

“Together with our strategic partners, we can address everything from supporting vulnerable customers, water quality, asset performance and leak detection, to integrated planning…”

Recorded in the RevenueBase company graph · Sep 29, 2026 · View company records in RevenueBase
9Exact matchDoetinchem, NetherlandsHQ recorded Sep 29, 20261,001-5,000609 contacts →

Exact match

“Founded in 1904, Nijhuis Saur Industries provides solid and adaptive solutions for sustainable and resilient water use, energy- and resource recovery.”

Recorded in the RevenueBase company graph · Sep 29, 2026 · View company records in RevenueBase
10Exact matchPaço De Arcos, PortugalHQ recorded Sep 29, 202651-200502 contacts →

Exact match

“AGS – Administração e Gestão de Sistemas de Salubridade, SA focuses on the preservation of the environment, acting throughout the entire water cycle.”

Recorded in the RevenueBase company graph · Sep 29, 2026 · View company records in RevenueBase
11Exact matchWilmington, DE, United StatesHQ recorded Sep 29, 202610001+470 contacts →

Exact match

“We’re helping companies in every industry, in every corner of the globe make real progress.”

Recorded in the RevenueBase company graph · Sep 29, 2026 · View company records in RevenueBase
12Exact matchGuarulhos, BrazilHQ recorded Sep 29, 2026501-1,000434 contacts →

Exact match

“Identificamos e solucionamos problemas relacionados ao tratamento de água e efluentes, reúso, dessalinização e análises ambientais para indústrias, consultorias ambientais e…”

Recorded in the RevenueBase company graph · Sep 29, 2026 · View company records in RevenueBase
13Exact matchLong Beach, CA, United StatesHQ recorded Sep 29, 2026201-500375 contacts →

Exact match

“P2S has brought forward-thinking, sustainable engineering solutions to California, the Pacific Northwest, and beyond, for over 30 years.”

Recorded in the RevenueBase company graph · Sep 29, 2026 · View company records in RevenueBase
14Exact matchGainesville, FL, United StatesHQ recorded Sep 29, 2026201-500305 contacts →

Exact match

“Environmental Consulting & Technology, Inc.(ECT) is a multi-disciplinary environmental and sustainability consulting firm delivering strategy, permitting, design, and management…”

Recorded in the RevenueBase company graph · Sep 29, 2026 · View company records in RevenueBase
15Exact matchSão Paulo, BrazilHQ recorded Sep 29, 202651-200288 contacts →

Exact match

“CTE is a consulting company, which has 28 years of experience in the Construction Industry, offering clients consultancy across a wide range of service nable Projects and Green…”

Recorded in the RevenueBase company graph · Sep 29, 2026 · View company records in RevenueBase
16Exact matchDavis, CA, United StatesHQ recorded Sep 29, 2026201-500279 contacts →

Exact match

“West Yost is a water-focused consulting engineering firm ranked by Fortune Magazine as one of the “Best Small and Medium Workplaces in Consulting and Professional Services” 2023 -…”

Recorded in the RevenueBase company graph · Sep 29, 2026 · View company records in RevenueBase
17Exact matchHobart, AustraliaHQ recorded Sep 29, 2026201-500271 contacts →

Exact match

“Entura is one of the world’s most experienced specialist power and water consulting firms.”

Recorded in the RevenueBase company graph · Sep 29, 2026 · View company records in RevenueBase
18Exact matchOttawa, ON, CanadaHQ recorded Sep 29, 2026201-500210 contacts →

Exact match

“Since 1976, BluMetric has been delivering innovative and sustainable solutions to complex environmental challenges.”

Recorded in the RevenueBase company graph · Sep 29, 2026 · View company records in RevenueBase
19Exact matchCharlotte, NC, United StatesHQ recorded Sep 29, 2026201-500207 contacts →

Exact match

“The trusted advisors for the public sector.”

Recorded in the RevenueBase company graph · Sep 29, 2026 · View company records in RevenueBase
20Exact matchDurban, South AfricaHQ recorded Sep 29, 202651-200202 contacts →

Exact match

“Increasing pressure on water resources is leading to a global rise in supply-risk and cost of total water management.”

Recorded in the RevenueBase company graph · Sep 29, 2026 · View company records in RevenueBase
21Exact matchSantiago, ChileHQ recorded Sep 29, 202651-200201 contacts →

Exact match

“Ecoriles es una empresa líder en la gestión y tratamiento de aguas (RILes) que integra a su experiencia la economía circular para atender las necesidades medioambientales y de…”

Recorded in the RevenueBase company graph · Sep 29, 2026 · View company records in RevenueBase
22Exact matchMonterrey, MexicoHQ recorded Sep 29, 2026201-500200 contacts →

Exact match

“Hydrocon busca lograr la Sustentabilidad Económica, Operativa y Ecológica de sus clientes, siendo un Aliado Estratégico en el manejo integral del agua en la industria, a través de…”

Recorded in the RevenueBase company graph · Sep 29, 2026 · View company records in RevenueBase
23Exact matchParis, FranceHQ recorded Sep 29, 2026201-500182 contacts →

Exact match

“Bureau d’études techniques fondé en 1974, setec hydratec s’est positionné en tant qu’expert sur tous les sujets liés à l’ingénierie de l’eau et des sites et sols pollués, afin de…”

Recorded in the RevenueBase company graph · Sep 29, 2026 · View company records in RevenueBase
24Exact matchSeattle, WA, United StatesHQ recorded Sep 29, 202651-200176 contacts →

Exact match

“Herrera Environmental Consultants is a leading engineering and scientific consulting firm focused on restoration, water, and sustainable development.”

Recorded in the RevenueBase company graph · Sep 29, 2026 · View company records in RevenueBase
25Exact matchElkhorn, NE, United StatesHQ recorded Sep 29, 2026201-500151 contacts →

Exact match

“Energy Network has four areas of expertise, each of which is focused on reducing operational expenses and at the same time augment our clients’ sustainability objectives.”

Recorded in the RevenueBase company graph · Sep 29, 2026 · View company records in RevenueBase

Showing 25 of 2,930 water conservation consulting firms worldwide

See the full list, filter by size, metro and specialty, and access 20,621 tracked professional contacts with verified work emails. Direct dials are available where recorded.

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Water conservation consulting firms worldwide at a glance

As of Sep 29, 2026
36.1%Verified-email coverage
19.5Average contacts per company
1-10Median size (employees)
0.9%Largest-city concentration · Sao Paulo
Sep 29, 2026Page data refreshed

Companies by employee count

1-10
1,817
11-50
804
51-200
223
201-500
39
501-1,000
7
1,001-5,000
13
5,001-10,000
6
10001+
7

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 conservation consulting firms are linked below.
What qualifies
Company records worldwide whose business descriptions match “water conservation consulting firms” 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 20,621 professional contacts with verified work emails across the full matched dataset. Contacts re-verify on a rolling cadence, and each contact's own verification date is shown inside RevenueBase.
Refresh
This page's figures were pulled from the company graph on September 29, 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 conservation consulting firms by location

14 lists · largest first

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

How many water conservation consulting firms are there worldwide?

RevenueBase identified 2,930 company matches for water conservation consulting firms worldwide as of September 2026, using the meaning of business descriptions at Exact. This is the recorded matched set in the RevenueBase company graph.

What is the largest company on this list?

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

Which country has the most water conservation consulting firms?

The United States leads with 676 companies, followed by Brazil (207) and India (156). Every water conservation consulting firms list by country and city is linked on this page.

Which city has the most water conservation consulting firms?

Sao Paulo leads with 26 company records, followed by Santiago (23) and Lima (18).

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 20,621 professional contacts with verified work emails tracked across these 2,930 companies; direct dials are available where recorded.

How current is this list?

The list refreshes periodically as the company graph is re-checked. This page's figures were pulled on September 29, 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.