Company lists · Data refreshed October 2026

Top 25 Dam engineering firms worldwide

RevenueBase identified 9,389 company matches for dam engineering firms worldwide as of October 2026 and tracks 207,851 professional contacts across them, including 69,333 with verified work emails. The United States is the largest market and Tehran the largest hub.

This list covers company matches for dam 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 11, 2026. Country and city lists for dam 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 11, 2026 How this list was built
9,389Companies
207,851Contacts tracked
69,333Verified emails
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The 25 largest dam engineering firms worldwide

Ranked by team size
Top 25 of 9,389 company matches for dam engineering firms worldwide, ordered by professional contacts tracked in RevenueBase, largest first. Recorded Oct 11, 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 Oct 11, 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 11, 2026 · View company records in RevenueBase
2Exact matchBoston, MA, United StatesHQ recorded Oct 11, 20265,001-10,0007,832 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 · Oct 11, 2026 · View company records in RevenueBase
3Exact matchOlathe, KS, United StatesHQ recorded Oct 11, 20265,001-10,0006,380 contacts →

Exact match

“Terracon is a 100 percent employee-owned consulting engineering firm providing quality services to clients.”

Recorded in the RevenueBase company graph · Oct 11, 2026 · View company records in RevenueBase
4Exact matchNew York, NY, United StatesHQ recorded Oct 11, 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 11, 2026 · View company records in RevenueBase
5Exact matchOslo, NorwayHQ recorded Oct 11, 20261,001-5,0002,577 contacts →

Exact match

“Multiconsult Norway is one of the leading firms of architectures, consulting engineers and designers in Norway.”

Recorded in the RevenueBase company graph · Oct 11, 2026 · View company records in RevenueBase
6Exact matchChantilly, VA, United StatesHQ recorded Oct 11, 20261,001-5,0002,259 contacts →

Exact match

“ECS Group of Companies is a Chantilly, VA-based consulting engineering firm.”

Recorded in the RevenueBase company graph · Oct 11, 2026 · View company records in RevenueBase
7Exact matchRiyadh, Saudi ArabiaHQ recorded Oct 11, 20261,001-5,0001,856 contacts →

Exact match

“Saudconsult is an award-winning multidisciplinary engineering and design firm with 60 years of experience in a wide array of projects.”

Recorded in the RevenueBase company graph · Oct 11, 2026 · View company records in RevenueBase
8Exact matchAlbany, NY, United StatesHQ recorded Oct 11, 20261,001-5,0001,733 contacts →

Exact match

“CHA Consulting, Inc.(CHA) is an innovative, full-service engineering, design, consulting, and program/construction management firm providing a wide range of technology-enhanced…”

Recorded in the RevenueBase company graph · Oct 11, 2026 · View company records in RevenueBase
9Exact matchBogota, ColombiaHQ recorded Oct 11, 20261,001-5,0001,493 contacts →

Exact match

“Ingetec está conformado por un grupo de profesionales con alto nivel de especialización, quienes trabajan dentro de las diferentes gerencias y divisiones que componen la…”

Recorded in the RevenueBase company graph · Oct 11, 2026 · View company records in RevenueBase
10Exact matchHouston, TX, United StatesHQ recorded Oct 11, 20261,001-5,0001,404 contacts →

Exact match

“Welcome to Walter P Moore!”

Recorded in the RevenueBase company graph · Oct 11, 2026 · View company records in RevenueBase
11Exact matchUnited StatesHQ recorded Oct 11, 20261,001-5,0001,329 contacts →

Exact match

“Consor is a leading engineering and consulting firm advancing intelligent, future-ready infrastructure across transportation and water systems.”

Recorded in the RevenueBase company graph · Oct 11, 2026 · View company records in RevenueBase
12Exact matchPhiladelphia, PA, United StatesHQ recorded Oct 11, 20261,001-5,0001,281 contacts →

Exact match

“Since our founding more than five decades ago, our clients trust Pennoni’s commitment to elevating the impact of projects on our communities.”

Recorded in the RevenueBase company graph · Oct 11, 2026 · View company records in RevenueBase
13Exact matchMobile, AL, United StatesHQ recorded Oct 11, 20261,001-5,0001,201 contacts →

Exact match

“Volkert’s history began in 1925 when it was founded in New Orleans as Doullut & Erwin to provide waterfront and heavy construction services, as well as airport design services…”

Recorded in the RevenueBase company graph · Oct 11, 2026 · View company records in RevenueBase
14Exact matchLima, PeruHQ recorded Oct 11, 20261,001-5,000936 contacts →

Exact match

“CESEL es una empresa peruana privada de consultoría en ingeniería, reconocida por su sólida trayectoria y prestigio en el desarrollo exitoso de proyectos multidisciplinarios de…”

Recorded in the RevenueBase company graph · Oct 11, 2026 · View company records in RevenueBase
15Exact matchKolkata, IndiaHQ recorded Oct 11, 20261,001-5,000904 contacts →

Exact match

“M.”

Recorded in the RevenueBase company graph · Oct 11, 2026 · View company records in RevenueBase
16Exact matchJeddah, Saudi ArabiaHQ recorded Oct 11, 2026501-1,000841 contacts →

Exact match

“Hesco is a design and engineering rm located in the Kingdom of Saudi Arabia with oces in Jeddah, Riyadh, Makkah, Syria, Turkey, Egypt, Spain and Lebanon.”

Recorded in the RevenueBase company graph · Oct 11, 2026 · View company records in RevenueBase
17Exact matchGlen Allen, VA, United StatesHQ recorded Oct 11, 2026501-1,000759 contacts →

Exact match

“Schnabel is a trusted partner in building the foundation for project success.”

Recorded in the RevenueBase company graph · Oct 11, 2026 · View company records in RevenueBase
18Exact matchIrvine, CA, United StatesHQ recorded Oct 11, 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 11, 2026 · View company records in RevenueBase
19Exact matchShinjuku-ku, JapanHQ recorded Oct 11, 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 11, 2026 · View company records in RevenueBase
20Exact matchKilcolgan, IrelandHQ recorded Oct 11, 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 11, 2026 · View company records in RevenueBase
21Exact matchHyderabad, IndiaHQ recorded Oct 11, 20261,001-5,000689 contacts →

Exact match

“Rithwik Projects is a Leading construction and Infrastructure Development Company.”

Recorded in the RevenueBase company graph · Oct 11, 2026 · View company records in RevenueBase
22Exact matchRio De Janeiro, BrazilHQ recorded Oct 11, 2026201-500667 contacts →

Exact match

“Sondotécnica was founded in 1954.”

Recorded in the RevenueBase company graph · Oct 11, 2026 · View company records in RevenueBase
23Exact matchHouston, TX, United StatesHQ recorded Oct 11, 2026501-1,000666 contacts →

Exact match

“Quiddity is an award-winning, full-service civil engineering, planning, surveying, and consulting firm providing innovative solutions for public infrastructure and private…”

Recorded in the RevenueBase company graph · Oct 11, 2026 · View company records in RevenueBase
24Exact matchJackson, MS, United StatesHQ recorded Oct 11, 2026501-1,000612 contacts →

Exact match

“Neel-Schaffer is a multi-disciplined engineering, planning and construction management firm that was founded in 1983 and today is one of the largest private, employee-owned…”

Recorded in the RevenueBase company graph · Oct 11, 2026 · View company records in RevenueBase
25Exact matchBozeman, MT, United StatesHQ recorded Oct 11, 2026201-500601 contacts →

Exact match

“In 1975, Tim Barnard moved to Montana with an idea that he could start his own construction company.”

Recorded in the RevenueBase company graph · Oct 11, 2026 · View company records in RevenueBase

Showing 25 of 9,389 dam engineering firms worldwide

See the full list, filter by size, metro and specialty, and access 69,333 tracked professional contacts with verified work emails. Direct dials are available where recorded.

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Dam engineering firms worldwide at a glance

As of Oct 11, 2026
33.4%Verified-email coverage
22.1Average contacts per company
11-50Median size (employees)
1.1%Largest-city concentration · Tehran
Oct 11, 2026Page data refreshed

Companies by employee count

1-10
4,669
11-50
3,179
51-200
1,036
201-500
285
501-1,000
94
1,001-5,000
61
5,001-10,000
12
10001+
17

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 dam engineering firms are linked below.
What qualifies
Company records worldwide whose business descriptions match “dam 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 69,333 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 11, 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.

Dam engineering firms by location

42 lists · largest first

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

How many dam engineering firms are there worldwide?

RevenueBase identified 9,389 company matches for dam 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?

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

Which country has the most dam engineering firms?

The United States leads with 2,690 companies, followed by Brazil (590) and Italy (410). Every dam engineering firms list by country and city is linked on this page.

Which city has the most dam engineering firms?

Tehran leads with 101 company records, followed by Sao Paulo (88) and Houston (65).

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 69,333 professional contacts with verified work emails tracked across these 9,389 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 11, 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.