Company lists · Data refreshed September 2026

Top 25 Water infrastructure consulting firms worldwide

Name: Water infrastructure consulting firms worldwide
Creator: RevenueBase
License: https://creativecommons.org/licenses/by/4.0/

Compiled by the RevenueBase Data Team Data refreshed Sep 29, 2026 24,402 companies tracked

RevenueBase identified 24,402 company matches for water infrastructure consulting firms worldwide as of September 2026 and tracks 1,173,673 professional contacts across them, including 404,105 with verified work emails. The United States is the largest market and Sao Paulo the largest hub.

This list covers company matches for water infrastructure 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 infrastructure 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

24,402Companies

1,173,673Contacts tracked

404,105Verified emails

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The 25 largest water infrastructure consulting firms worldwide

Ranked by team size

Top 25 of 24,402 company matches for water infrastructure 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.
#	Company	RevenueBase SmartSearch	Headquarters	Employees	Contacts
1	AECOM	Exact match	Dallas, TX, United StatesHQ recorded Sep 29, 2026	10001+	63,914 contacts →
	Exact match “AECOM is the global infrastructure leader, committed to delivering a better world.” Recorded in the RevenueBase company graph · Sep 29, 2026 · View company records in RevenueBase
2	Jacobs	Exact match	Dallas, TX, United StatesHQ recorded Sep 29, 2026	10001+	46,351 contacts →
	Exact match “At Jacobs, we're challenging today to reinvent tomorrow – delivering outcomes and solutions for the world's most complex challenges.” Recorded in the RevenueBase company graph · Sep 29, 2026 · View company records in RevenueBase
3	Stantec	Exact match	Edmonton, AB, CanadaHQ recorded Sep 29, 2026	10001+	28,416 contacts →
	Exact match “Stantec empowers clients, people, and communities to rise to the world’s greatest challenges at a time when the world faces more unprecedented concerns than ever before.” Recorded in the RevenueBase company graph · Sep 29, 2026 · View company records in RevenueBase
4	Bechtel Corporation	Exact match	Reston, VA, United StatesHQ recorded Sep 29, 2026	10001+	25,068 contacts →
	Exact match “Bechtel is a trusted engineering, construction and project management partner to industry and government.” Recorded in the RevenueBase company graph · Sep 29, 2026 · View company records in RevenueBase
5	Atkinsréalis	Exact match	Montreal, QC, CanadaHQ recorded Sep 29, 2026	10001+	22,733 contacts →
	Exact match “We are a world-class engineering services and nuclear organization.” Recorded in the RevenueBase company graph · Sep 29, 2026 · View company records in RevenueBase
6	SUEZ	Exact match	Paris, FranceHQ recorded Sep 29, 2026	10001+	21,549 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 · Sep 29, 2026 · View company records in RevenueBase
7	WSP	Exact match	Montreal, QC, CanadaHQ recorded Sep 29, 2026	10001+	20,382 contacts →
	Exact match “WSP is one of the world’s leading engineering, science and infrastructure solutions firms, uniting its multidisciplinary expertise to shape communities to advance humanity.” Recorded in the RevenueBase company graph · Sep 29, 2026 · View company records in RevenueBase
8	Mott Macdonald	Exact match	London, United KingdomHQ recorded Sep 29, 2026	10001+	19,072 contacts →
	Exact match “We are an engineering, management and development consultancy and one of the largest wholly employee-owned firms of our kind.” Recorded in the RevenueBase company graph · Sep 29, 2026 · View company records in RevenueBase
9	GHD	Exact match	Sydney, AustraliaHQ recorded Sep 29, 2026	10001+	14,572 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 · Sep 29, 2026 · View company records in RevenueBase
10	Tetra Tech	Exact match	Pasadena, CA, United StatesHQ recorded Sep 29, 2026	10001+	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
11	AFRY	Exact match	Stockholm, SwedenHQ recorded Sep 29, 2026	10001+	12,850 contacts →
	Exact match “AFRY is a European leader in engineering, design, and advisory services, with a global reach.” Recorded in the RevenueBase company graph · Sep 29, 2026 · View company records in RevenueBase
12	Black & Veatch	Exact match	Overland Park, KS, United StatesHQ recorded Sep 29, 2026	10001+	10,851 contacts →
	Exact match Recorded description not available. Recorded in the RevenueBase company graph · Sep 29, 2026 · View company records in RevenueBase
13	XYLEM	Exact match	Washington, DC, United StatesHQ recorded Sep 29, 2026	10001+	9,320 contacts →
	Exact match “Xylem is the global leader in advanced technologies, solutions and services that address the world’s biggest water challenges.” Recorded in the RevenueBase company graph · Sep 29, 2026 · View company records in RevenueBase
14	Atkins	Exact match	Epsom, United KingdomHQ recorded Sep 29, 2026	10001+	9,297 contacts →
	Exact match “Atkins is now AtkinsRéalis.” Recorded in the RevenueBase company graph · Sep 29, 2026 · View company records in RevenueBase
15	Tata Consulting Engineers	Exact match	Mumbai, IndiaHQ recorded Sep 29, 2026	5,001-10,000	8,440 contacts →
	Exact match “Tata Consulting Engineers Limited (TCE) is the largest Indian private sector engineering and project consultancy and an emerging global leader in integrated engineering solutions.” Recorded in the RevenueBase company graph · Sep 29, 2026 · View company records in RevenueBase
16	URS Corporation, An Aecom Company	Exact match	San Francisco, CA, United StatesHQ recorded Sep 29, 2026	10001+	7,706 contacts →
	Exact match “URS Corporation operations are now affiliated with AECOM.” Recorded in the RevenueBase company graph · Sep 29, 2026 · View company records in RevenueBase
17	CDM Smith	Exact match	Boston, MA, United StatesHQ recorded Sep 29, 2026	5,001-10,000	7,527 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 · Sep 29, 2026 · View company records in RevenueBase
18	TRC Companies, INC	Exact match	Windsor, CT, United StatesHQ recorded Sep 29, 2026	5,001-10,000	7,017 contacts →
	Exact match “TRC, a member of WSP, stands for adaptability.” Recorded in the RevenueBase company graph · Sep 29, 2026 · View company records in RevenueBase
19	Samsung E&a	Exact match	Gangdong-gu, South KoreaHQ recorded Sep 29, 2026	5,001-10,000	7,011 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 · Sep 29, 2026 · View company records in RevenueBase
20	Terracon	Exact match	Olathe, KS, United StatesHQ recorded Sep 29, 2026	5,001-10,000	6,113 contacts →
	Exact match “Terracon is a 100 percent employee-owned consulting engineering firm providing quality services to clients.” Recorded in the RevenueBase company graph · Sep 29, 2026 · View company records in RevenueBase
21	Khatib & Alami	Exact match	Downtown, PolandHQ recorded Sep 29, 2026	5,001-10,000	5,792 contacts →
	Exact match “Khatib & Alami (K&A) is a multidisciplinary design consultancy which operates primarily across the Middle East & Africa, Levant, Central and South-East Asia, and Europe.” Recorded in the RevenueBase company graph · Sep 29, 2026 · View company records in RevenueBase
22	JAN DE NUL Group	Exact match	Capellen, LuxembourgHQ recorded Sep 29, 2026	5,001-10,000	5,424 contacts →
	Exact match “We are World Builders shaping water, land and energy.” Recorded in the RevenueBase company graph · Sep 29, 2026 · View company records in RevenueBase
23	SMEC	Exact match	North Sydney, AustraliaHQ recorded Sep 29, 2026	5,001-10,000	5,231 contacts →
	Exact match “SMEC is a global engineering, management and development consultancy with a 70-year history of delivering advanced solutions on a global scale across urban development…” Recorded in the RevenueBase company graph · Sep 29, 2026 · View company records in RevenueBase
24	RPS	Exact match	Abingdon, United KingdomHQ recorded Sep 29, 2026	5,001-10,000	4,684 contacts →
	Exact match “Founded in 1970, RPS is part of Tetra Tech, a leading global provider of consulting and engineering services.” Recorded in the RevenueBase company graph · Sep 29, 2026 · View company records in RevenueBase
25	Artelia	Exact match	Saint-ouen, FranceHQ recorded Sep 29, 2026	5,001-10,000	4,612 contacts →
	Exact match “Artelia is an international multidisciplinary consultancy, engineering and project management group specialising in mobility, water, energy, building and industry.” Recorded in the RevenueBase company graph · Sep 29, 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 infrastructure consulting firms”. 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 24,402 water infrastructure consulting firms worldwide

See the full list, filter by size, metro and specialty, and access 404,105 tracked professional contacts with verified work emails. Direct dials are available where recorded.

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Water infrastructure consulting firms worldwide at a glance

As of Sep 29, 2026

34.4%Verified-email coverage

48.1Average contacts per company

11-50Median size (employees)

0.9%Largest-city concentration · Sao Paulo

Sep 29, 2026Page data refreshed

Companies by employee count

1-10

10,449

11-50

8,305

51-200

3,468

201-500

1,146

501-1,000

430

1,001-5,000

347

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 infrastructure consulting firms are linked below.
What qualifies: Company records worldwide whose business descriptions match “water infrastructure 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 404,105 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 infrastructure consulting firms by location

119 lists · largest first

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

How many water infrastructure consulting firms are there worldwide?

RevenueBase identified 24,402 company matches for water infrastructure 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?

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

Which country has the most water infrastructure consulting firms?

The United States leads with 4,422 companies, followed by Brazil (1,646) and India (1,411). Every water infrastructure consulting firms list by country and city is linked on this page.

Which city has the most water infrastructure consulting firms?

Sao Paulo leads with 222 company records, followed by Tehran (211) and Belo Horizonte (138).

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 404,105 professional contacts with verified work emails tracked across these 24,402 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.