Company lists · Data refreshed November 2026

Top 25 Water supply development companies worldwide

Name: Water supply development companies worldwide
Creator: RevenueBase
License: https://creativecommons.org/licenses/by/4.0/

Compiled by the RevenueBase Data Team Data refreshed Nov 6, 2026 14,311 companies tracked

RevenueBase identified 14,311 company matches for water supply development companies worldwide as of November 2026 and tracks 715,946 professional contacts across them, including 163,631 with verified work emails. The United States is the largest market and Tehran the largest hub.

This list covers company matches for water supply development companies 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 supply development companies 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

14,311Companies

715,946Contacts tracked

163,631Verified emails

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The 25 largest water supply development companies worldwide

Ranked by team size

Top 25 of 14,311 company matches for water supply development companies 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.
#	Company	RevenueBase SmartSearch	Headquarters	Employees	Contacts
1	Acciona	Exact match	Madrid, SpainHQ recorded Nov 6, 2026	10001+	29,815 contacts →
	Exact match “ACCIONA champions a different way of doing business: Business as Unusual, delivering benefits far beyond the corporate realm.” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
2	SUEZ	Exact match	Paris, FranceHQ recorded Nov 6, 2026	10001+	23,115 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 · Nov 6, 2026 · View company records in RevenueBase
3	GHD	Exact match	Sydney, AustraliaHQ recorded Nov 6, 2026	10001+	15,329 contacts →
	Exact match “We are committed to addressing the world’s biggest challenges in the areas of water, energy and communities.” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
4	Tata Projects	Exact match	Mumbai, IndiaHQ recorded Nov 6, 2026	1,001-5,000	14,844 contacts →
	Exact match “Tata Projects is one of the most admired Technology led Engineering, Procurement and Construction (EPC) companies in India.” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
5	Tetra Tech	Exact match	Pasadena, CA, United StatesHQ recorded Nov 6, 2026	10001+	14,232 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 · Nov 6, 2026 · View company records in RevenueBase
6	Sabesp	Exact match	Sao Paulo, BrazilHQ recorded Nov 6, 2026	10001+	11,763 contacts →
	Exact match “Sabesp is a mixed capital company that was founded in 1973 and is currently responsible for supplying water and collecting and treating sewage in the 375 municipalities of São…” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
7	Black & Veatch	Exact match	Overland Park, KS, United StatesHQ recorded Nov 6, 2026	10001+	11,748 contacts →
	Exact match Recorded description not available. Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
8	Downer	Exact match	North Ryde, AustraliaHQ recorded Nov 6, 2026	10001+	11,691 contacts →
	Exact match “Enabling communities to thrive.” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
9	Laing O'rourke	Exact match	North Sydney, United KingdomHQ recorded Nov 6, 2026	10001+	8,851 contacts →
	Exact match “Laing O’Rourke is a global engineering and manufacturing-led construction leader, delivering state-of-the-art infrastructure and buildings projects in the UK, Australia and the…” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
10	CDM Smith	Exact match	Boston, MA, United StatesHQ recorded Nov 6, 2026	5,001-10,000	8,143 contacts →
	Exact match “CDM Smith is shaping what’s next, now, with world class solutions in water, environment, transportation and energy to public and private clients worldwide.” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
11	Samsung E&a	Exact match	Gangdong-gu, South KoreaHQ recorded Nov 6, 2026	5,001-10,000	7,517 contacts →
	Exact match “SAMSUNG E&A is one of the world’s leading engineering, procurement, construction and project management (EPC & PM) companies.” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
12	Pentair	Exact match	London, United KingdomHQ recorded Nov 6, 2026	5,001-10,000	6,972 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 · Nov 6, 2026 · View company records in RevenueBase
13	GS E&c	Exact match	Seoul, South KoreaHQ recorded Nov 6, 2026	5,001-10,000	6,556 contacts →
	Exact match “GS E&C is Korea`s representative global contractor leveraging its experience in Civil Engineering, Building, Oil & Gas, Power Plants and Renewable Energy to continually provide…” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
14	John Holland	Exact match	Melbourne Cbd, AustraliaHQ recorded Nov 6, 2026	5,001-10,000	6,407 contacts →
	Exact match “At John Holland, our purpose is simple: we transform lives.” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
15	Thames Water	Exact match	Reading, United KingdomHQ recorded Nov 6, 2026	1,001-5,000	6,329 contacts →
	Exact match “Thames Water is the UK’s biggest water and wastewater services provider, providing 2.7 billion litres of drinking water and safely removing 4.6 billion litres of wastewater every…” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
16	Webuild	Exact match	Rozzano (mi), ItalyHQ recorded Nov 6, 2026	10001+	6,277 contacts →
	Exact match “Webuild is a global leader in the construction of large, complex infrastructure, with a focus on sustainable mobility, hydropower, water treatment and supply, and green buildings.” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
17	Severn Trent	Exact match	Coventry, United KingdomHQ recorded Nov 6, 2026	5,001-10,000	6,089 contacts →
	Exact match “Water is wonderful.” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
18	JAN DE NUL Group	Exact match	Capellen, LuxembourgHQ recorded Nov 6, 2026	5,001-10,000	5,715 contacts →
	Exact match “We are World Builders shaping water, land and energy.” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
19	NWC	Exact match	Riyadh, Saudi ArabiaHQ recorded Nov 6, 2026	10001+	5,645 contacts →
	Exact match “The National Water Company (a Saudi joint stock company, wholly owned by the state represented by the Public Investment Fund) was established in 2008, providing water and…” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
20	ICA Ingenieros Civiles Asociados	Exact match	MexicoHQ recorded Nov 6, 2026	10001+	4,059 contacts →
	Exact match “Somos una empresa mexicana con 68 años de experiencia en brindar soluciones integrales a retos complejos de infraestructura.” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
21	Costain Group PLC	Exact match	London, United KingdomHQ recorded Nov 6, 2026	1,001-5,000	4,013 contacts →
	Exact match “Costain helps to improve people’s lives by creating connected, sustainable infrastructure that enables people and the planet thrive.” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
22	SAUR	Exact match	Issy-les-moulineaux, FranceHQ recorded Nov 6, 2026	10001+	3,921 contacts →
	Exact match “As a pure player in water and essential services, Saur works to protect the environment in the heart of the territories it serves.” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
23	STV	Exact match	New York, TX, United StatesHQ recorded Nov 6, 2026	1,001-5,000	3,812 contacts →
	Exact match “Follow STV for practical insight into the infrastructure, ideas and people making communities better.” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
24	Murphy	Exact match	London, United KingdomHQ recorded Nov 6, 2026	1,001-5,000	3,366 contacts →
	Exact match “Murphy is a leading international, multi-disciplined engineering and construction company founded in 1951 that improves life by delivering world-class infrastructure.” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
25	TYLIN	Exact match	San Francisco, CA, United StatesHQ recorded Nov 6, 2026	1,001-5,000	3,268 contacts →
	Exact match “As a global engineering firm, we design infrastructure solutions that connect and elevate communities.” 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 supply development companies”. 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 14,311 water supply development companies worldwide

See the full list, filter by size, metro and specialty, and access 163,631 tracked professional contacts with verified work emails. Direct dials are available where recorded.

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Water supply development companies worldwide at a glance

As of Nov 6, 2026

22.9%Verified-email coverage

50.0Average contacts per company

11-50Median size (employees)

1.1%Largest-city concentration · Tehran

Nov 6, 2026Page data refreshed

Companies by employee count

1-10

4,345

11-50

5,089

51-200

2,674

201-500

1,006

501-1,000

449

1,001-5,000

374

5,001-10,000

10001+

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 supply development companies are linked below.
What qualifies: Company records worldwide whose business descriptions match “water supply development companies” 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 163,631 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 supply development companies by location

67 lists · largest first

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

How many water supply development companies are there worldwide?

RevenueBase identified 14,311 company matches for water supply development companies 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?

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

Which country has the most water supply development companies?

The United States leads with 1,600 companies, followed by India (1,143) and Brazil (849). Every water supply development companies list by country and city is linked on this page.

Which city has the most water supply development companies?

Tehran leads with 152 company records, followed by Sao Paulo (141) and Riyadh (100).

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 163,631 professional contacts with verified work emails tracked across these 14,311 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.