Company lists · Data refreshed September 2026

Top 25 Aquatic engineering firms worldwide

Name: Aquatic engineering firms worldwide
Creator: RevenueBase
License: https://creativecommons.org/licenses/by/4.0/

Compiled by the RevenueBase Data Team Data refreshed Sep 30, 2026 17,143 companies tracked

RevenueBase identified 17,143 company matches for aquatic engineering firms worldwide as of September 2026 and tracks 851,049 professional contacts across them, including 275,758 with verified work emails. The United States is the largest market and Tehran the largest hub.

This list covers company matches for aquatic 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 September 30, 2026. Country and city lists for aquatic 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 Sep 30, 2026 How this list was built

17,143Companies

851,049Contacts tracked

275,758Verified emails

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The 25 largest aquatic engineering firms worldwide

Ranked by team size

Top 25 of 17,143 company matches for aquatic engineering firms worldwide, ordered by professional contacts tracked in RevenueBase, largest first. Recorded Sep 30, 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 30, 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 30, 2026 · View company records in RevenueBase
2	Stantec	Exact match	Edmonton, AB, CanadaHQ recorded Sep 30, 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 30, 2026 · View company records in RevenueBase
3	Bechtel Corporation	Exact match	Reston, VA, United StatesHQ recorded Sep 30, 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 30, 2026 · View company records in RevenueBase
4	Kiewit	Exact match	Omaha, NE, United StatesHQ recorded Sep 30, 2026	10001+	19,465 contacts →
	Exact match “At Kiewit, the projects we deliver make a difference, and we offer opportunities for you to make one, too.” Recorded in the RevenueBase company graph · Sep 30, 2026 · View company records in RevenueBase
5	GHD	Exact match	Sydney, AustraliaHQ recorded Sep 30, 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 30, 2026 · View company records in RevenueBase
6	Tetra Tech	Exact match	Pasadena, CA, United StatesHQ recorded Sep 30, 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 30, 2026 · View company records in RevenueBase
7	Black & Veatch	Exact match	Overland Park, KS, United StatesHQ recorded Sep 30, 2026	10001+	10,851 contacts →
	Exact match Recorded description not available. Recorded in the RevenueBase company graph · Sep 30, 2026 · View company records in RevenueBase
8	WSP In Canada	Exact match	Montreal, QC, CanadaHQ recorded Sep 30, 2026	10001+	10,015 contacts →
	Exact match “We are one of the world’s leading professional services firms, uniting our engineering, advisory and science-based expertise to shape communities to advance humanity.” Recorded in the RevenueBase company graph · Sep 30, 2026 · View company records in RevenueBase
9	Ch2m	Exact match	Englewood, CO, United StatesHQ recorded Sep 30, 2026	10001+	8,088 contacts →
	Exact match “CH2M is now Jacobs.” Recorded in the RevenueBase company graph · Sep 30, 2026 · View company records in RevenueBase
10	URS Corporation, An Aecom Company	Exact match	San Francisco, CA, United StatesHQ recorded Sep 30, 2026	10001+	7,706 contacts →
	Exact match “URS Corporation operations are now affiliated with AECOM.” Recorded in the RevenueBase company graph · Sep 30, 2026 · View company records in RevenueBase
11	CDM Smith	Exact match	Boston, MA, United StatesHQ recorded Sep 30, 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 30, 2026 · View company records in RevenueBase
12	HNTB	Exact match	Kansas City, MO, United StatesHQ recorded Sep 30, 2026	5,001-10,000	7,469 contacts →
	Exact match “For over a century, HNTB has shaped the built environment with distinctive expertise across a full spectrum of infrastructure solutions.” Recorded in the RevenueBase company graph · Sep 30, 2026 · View company records in RevenueBase
13	Afcons Infrastructure Limited	Exact match	Veera Desai Road, IndiaHQ recorded Sep 30, 2026	1,001-5,000	6,807 contacts →
	Exact match “Afcons is flagship infrastructure engineering & construction company of the Shapoorji Pallonji Group.” Recorded in the RevenueBase company graph · Sep 30, 2026 · View company records in RevenueBase
14	Terracon	Exact match	Olathe, KS, United StatesHQ recorded Sep 30, 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 30, 2026 · View company records in RevenueBase
15	Webuild	Exact match	Rozzano (mi), ItalyHQ recorded Sep 30, 2026	10001+	5,966 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 · Sep 30, 2026 · View company records in RevenueBase
16	Khatib & Alami	Exact match	Downtown, PolandHQ recorded Sep 30, 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 30, 2026 · View company records in RevenueBase
17	JAN DE NUL Group	Exact match	Capellen, LuxembourgHQ recorded Sep 30, 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 30, 2026 · View company records in RevenueBase
18	Daewoo Engineering & Construction Co.,ltd	Exact match	Seoul, South KoreaHQ recorded Sep 30, 2026	5,001-10,000	4,645 contacts →
	Exact match “Daewoo E&C has been enriching people’s lives ever since its establishment in 1973.” Recorded in the RevenueBase company graph · Sep 30, 2026 · View company records in RevenueBase
19	Michael Baker International	Exact match	Pittsburgh, PA, United StatesHQ recorded Sep 30, 2026	5,001-10,000	4,362 contacts →
	Exact match “Michael Baker International is a leading provider of engineering, consulting, and technology services spanning four Verticals: Infrastructure, Places and Facilities, Federal and…” Recorded in the RevenueBase company graph · Sep 30, 2026 · View company records in RevenueBase
20	The Walsh Group	Exact match	Chicago, IL, United StatesHQ recorded Sep 30, 2026	5,001-10,000	4,161 contacts →
	Exact match “The Walsh Group is a 127-year-old company providing design, build, finance, operation and activation services.” Recorded in the RevenueBase company graph · Sep 30, 2026 · View company records in RevenueBase
21	China Harbour Engineering Co. LTD	Exact match	Beijing, ChinaHQ recorded Sep 30, 2026	5,001-10,000	3,835 contacts →
	Exact match “CHEC is focused on basic infrastructure construction, such as Marine Engineering, Dredging and Reclamation, Road and Bridge, Railways, Airports, Complete Plant, and other works.” Recorded in the RevenueBase company graph · Sep 30, 2026 · View company records in RevenueBase
22	Costain Group PLC	Exact match	London, United KingdomHQ recorded Sep 30, 2026	1,001-5,000	3,785 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 · Sep 30, 2026 · View company records in RevenueBase
23	ICA Ingenieros Civiles Asociados	Exact match	MexicoHQ recorded Sep 30, 2026	10001+	3,752 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 · Sep 30, 2026 · View company records in RevenueBase
24	STV	Exact match	New York, NY, United StatesHQ recorded Sep 30, 2026	1,001-5,000	3,556 contacts →
	Exact match “STV offers professional services for the infrastructure that powers our lives.” Recorded in the RevenueBase company graph · Sep 30, 2026 · View company records in RevenueBase
25	CIMA	Exact match	Laval, QC, CanadaHQ recorded Sep 30, 2026	1,001-5,000	3,252 contacts →
	Exact match “CIMA+ fournit une gamme complète de services de génie-conseil partout au Canada.” Recorded in the RevenueBase company graph · Sep 30, 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 “aquatic engineering 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 17,143 aquatic engineering firms worldwide

See the full list, filter by size, metro and specialty, and access 275,758 tracked professional contacts with verified work emails. Direct dials are available where recorded.

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Aquatic engineering firms worldwide at a glance

As of Sep 30, 2026

32.4%Verified-email coverage

49.6Average contacts per company

11-50Median size (employees)

0.9%Largest-city concentration · Tehran

Sep 30, 2026Page data refreshed

Companies by employee count

1-10

7,037

11-50

5,739

51-200

2,594

201-500

878

501-1,000

356

1,001-5,000

329

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 aquatic engineering firms are linked below.
What qualifies: Company records worldwide whose business descriptions match “aquatic 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 275,758 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 30, 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.

Aquatic engineering firms by location

86 lists · largest first

Every Aquatic 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 “aquatic engineering firms”; each Exact match badge shows search membership, not an individual similarity or quality score.

How many aquatic engineering firms are there worldwide?

RevenueBase identified 17,143 company matches for aquatic engineering 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 aquatic engineering firms?

The United States leads with 4,067 companies, followed by Brazil (925) and India (753). Every aquatic engineering firms list by country and city is linked on this page.

Which city has the most aquatic engineering firms?

Tehran leads with 153 company records, followed by Sao Paulo (127) and Houston (109).

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 275,758 professional contacts with verified work emails tracked across these 17,143 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 30, 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.