Company lists · Data refreshed October 2026

Top 25 Coastal water supply engineering firms worldwide

RevenueBase identified 3,731 company matches for coastal water supply engineering firms worldwide as of October 2026 and tracks 117,017 professional contacts across them, including 40,433 with verified work emails. The United States is the largest market and Tehran the largest hub.

This list covers company matches for coastal water supply engineering 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 October 10, 2026. Country and city lists for coastal water supply engineering 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 Oct 10, 2026 How this list was built
3,731Companies
117,017Contacts tracked
40,433Verified emails
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The 25 largest coastal water supply engineering firms worldwide

Ranked by team size
Top 25 of 3,731 company matches for coastal water supply engineering firms worldwide, ordered by professional contacts tracked in RevenueBase, largest first. Recorded Oct 10, 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 matchParis, FranceHQ recorded Oct 10, 202610001+23,026 contacts →

Exact match

“We provide essential services in the water and waste sectors to preserve resources and improve quality of life wherever we operate.”

Recorded in the RevenueBase company graph · Oct 10, 2026 · View company records in RevenueBase
2Exact matchPasadena, CA, United StatesHQ recorded Oct 10, 202610001+13,725 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 · Oct 10, 2026 · View company records in RevenueBase
3Exact matchCapellen, LuxembourgHQ recorded Oct 10, 20265,001-10,0005,615 contacts →

Exact match

“We are World Builders shaping water, land and energy.”

Recorded in the RevenueBase company graph · Oct 10, 2026 · View company records in RevenueBase
4Exact matchNew York, NY, United StatesHQ recorded Oct 10, 20261,001-5,0003,752 contacts →

Exact match

“Follow STV for practical insight into the infrastructure, ideas and people making communities better.”

Recorded in the RevenueBase company graph · Oct 10, 2026 · View company records in RevenueBase
5Exact match75685 Paris Cedex 14, FranceHQ recorded Oct 10, 20265,001-10,0002,639 contacts →

Exact match

“RESEAUX ET INFRASTRUCTURES Entreprise plus que centenaire forte de quelque 7 collaborateurs, la SADE est le spécialiste de la conception, la construction, la réhabilitation et…”

Recorded in the RevenueBase company graph · Oct 10, 2026 · View company records in RevenueBase
6Exact matchWalnut Creek, CA, United StatesHQ recorded Oct 10, 20261,001-5,0002,510 contacts →

Exact match

“Headquartered in Walnut Creek, Calif, Brown and Caldwell is an employee-owned firm with 2,100+ professionals serving clients locally and globally from 52 locations.”

Recorded in the RevenueBase company graph · Oct 10, 2026 · View company records in RevenueBase
7Exact matchNew York, NY, United StatesHQ recorded Oct 10, 20261,001-5,0002,251 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 · Oct 10, 2026 · View company records in RevenueBase
8Exact matchWalnut Creek, CA, United StatesHQ recorded Oct 10, 20261,001-5,0001,811 contacts →

Exact match

“For more than 90 years, Carollo Engineers has been dedicated exclusively to water and wastewater solutions.”

Recorded in the RevenueBase company graph · Oct 10, 2026 · View company records in RevenueBase
9Exact matchHeerenveen, NetherlandsHQ recorded Oct 10, 20261,001-5,0001,439 contacts →

Exact match

“Antea Group is het thuis van 1800 trotse ingenieurs en adviseurs.”

Recorded in the RevenueBase company graph · Oct 10, 2026 · View company records in RevenueBase
10Exact matchLong Beach, CA, United StatesHQ recorded Oct 10, 20261,001-5,0001,165 contacts →

Exact match

“Moffatt & Nichol is a leading U.S-based global infrastructure advisor specializing in the planning and design of facilities that shape and serve our coastlines, harbors and…”

Recorded in the RevenueBase company graph · Oct 10, 2026 · View company records in RevenueBase
11Exact matchVitacura, ChileHQ recorded Oct 10, 202610001+1,057 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 · Oct 10, 2026 · View company records in RevenueBase
12Exact matchOlivet, FranceHQ recorded Oct 10, 20261,001-5,000809 contacts →

Exact match

“Antea Group est une société internationale d’ingénierie et de conseil en environnement.”

Recorded in the RevenueBase company graph · Oct 10, 2026 · View company records in RevenueBase
13Exact matchIrvine, CA, United StatesHQ recorded Oct 10, 20261,001-5,000756 contacts →

Exact match

“At Shimmick (NASDAQ: SHIM), we’re shaping the future of sustainable infrastructure through innovative solutions that advance communities and protect our environment.”

Recorded in the RevenueBase company graph · Oct 10, 2026 · View company records in RevenueBase
14Exact matchShinjuku-ku, JapanHQ recorded Oct 10, 2026201-500748 contacts →

Exact match

“Oriental Consultants Global is a consulting company based in Japan that facilitates development in countries all around the world.”

Recorded in the RevenueBase company graph · Oct 10, 2026 · View company records in RevenueBase
15Exact matchAl Raka Al Jenobiah, Saudi ArabiaHQ recorded Oct 10, 20265,001-10,000718 contacts →

Exact match

“CWC is part of the Al Awael Construction Group which is 100% owned by Rashed Abdul Rahman Al Rashed group of companies (RAR), a well-known business conglomerate in the Kingdom of…”

Recorded in the RevenueBase company graph · Oct 10, 2026 · View company records in RevenueBase
16Exact matchKilcolgan, IrelandHQ recorded Oct 10, 20261,001-5,000691 contacts →

Exact match

“Since its establishment, Ward & Burke has sought to develop and adopt the ideals and aspirations to civil engineering construction and currently delivers class leading, reliable…”

Recorded in the RevenueBase company graph · Oct 10, 2026 · View company records in RevenueBase
17Exact matchRio De Janeiro, BrazilHQ recorded Oct 10, 2026201-500667 contacts →

Exact match

“Sondotécnica was founded in 1954.”

Recorded in the RevenueBase company graph · Oct 10, 2026 · View company records in RevenueBase
18Exact matchDoetinchem, NetherlandsHQ recorded Oct 10, 20261,001-5,000578 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 · Oct 10, 2026 · View company records in RevenueBase
19Exact matchOeiras, PortugalHQ recorded Oct 10, 202651-200537 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 · Oct 10, 2026 · View company records in RevenueBase
20Exact matchGalway, IrelandHQ recorded Oct 10, 2026201-500481 contacts →

Exact match

“Glanua is an industry leader in providing innovative and sustainable engineering solutions to design, build and deliver critical water and wastewater infrastructure across UK and…”

Recorded in the RevenueBase company graph · Oct 10, 2026 · View company records in RevenueBase
21Exact matchSeattle, WA, United StatesHQ recorded Oct 10, 2026501-1,000474 contacts →

Exact match

“Headquartered in Seattle, Washington, Anchor QEA is a nationally recognized environmental science and engineering consulting firm specializing in aquatic, shoreline, and water…”

Recorded in the RevenueBase company graph · Oct 10, 2026 · View company records in RevenueBase
22Exact matchGuarulhos, BrazilHQ recorded Oct 10, 2026501-1,000446 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 · Oct 10, 2026 · View company records in RevenueBase
23Exact matchMadrid, SpainHQ recorded Oct 10, 20261,001-5,000415 contacts →

Exact match

“Positioned as one of the companies with the largest number of plants in terms of concessions, GS Inima is a world benchmark in the water sector acting in all phases of the…”

Recorded in the RevenueBase company graph · Oct 10, 2026 · View company records in RevenueBase
24Exact matchGenoa, ItalyHQ recorded Oct 10, 202651-200378 contacts →

Exact match

“Fisia Italimpianti S.p.A, part of Webuild Group (the new group born in 2020 from Salini Impregilo), is a worldwide leader in the sustainable design and execution of water…”

Recorded in the RevenueBase company graph · Oct 10, 2026 · View company records in RevenueBase
25Exact matchGlasgow, United KingdomHQ recorded Oct 10, 2026201-500375 contacts →

Exact match

“A self-delivery design and build partner supplying sustainable solutions to the water sector.”

Recorded in the RevenueBase company graph · Oct 10, 2026 · View company records in RevenueBase

Showing 25 of 3,731 coastal water supply engineering firms worldwide

See the full list, filter by size, metro and specialty, and access 40,433 tracked professional contacts with verified work emails. Direct dials are available where recorded.

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Coastal water supply engineering firms worldwide at a glance

As of Oct 10, 2026
34.6%Verified-email coverage
31.4Average contacts per company
11-50Median size (employees)
1.2%Largest-city concentration · Tehran
Oct 10, 2026Page data refreshed

Companies by employee count

1-10
1,763
11-50
1,309
51-200
440
201-500
121
501-1,000
40
1,001-5,000
30
5,001-10,000
10
10001+
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 coastal water supply engineering firms are linked below.
What qualifies
Company records worldwide whose business descriptions match “coastal water supply engineering 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 40,433 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 October 10, 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.

Coastal water supply engineering firms by location

22 lists · largest first

Every Coastal water supply engineering firms list RevenueBase publishes, by country and city. Counts are matching companies in each list as of its own refresh date.

Countries

Cities

Frequently asked

What is RevenueBase 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 “coastal water supply engineering firms”; each Exact match badge shows search membership, not an individual similarity or quality score.

How many coastal water supply engineering firms are there worldwide?

RevenueBase identified 3,731 company matches for coastal water supply engineering firms worldwide as of October 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?

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

Which country has the most coastal water supply engineering firms?

The United States leads with 526 companies, followed by Brazil (235) and Germany (186). Every coastal water supply engineering firms list by country and city is linked on this page.

Which city has the most coastal water supply engineering firms?

Tehran leads with 46 company records, followed by Sao Paulo (45) and Bogota (27).

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 40,433 professional contacts with verified work emails tracked across these 3,731 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 October 10, 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.