Company lists · Data refreshed September 2026

Top 25 Dam engineering companies based in the United States

RevenueBase identified 417 company matches for dam engineering companies associated with the United States as of September 2026 and tracks 37,703 professional contacts across them, including 14,286 with verified work emails. Houston is the largest hub.

This list covers company matches for dam engineering companies associated with the United States, 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 16, 2026.

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 16, 2026 How this list was built
417Companies
37,703Contacts tracked
14,286Verified emails
Explore this list → Free signup · no credit card · 500 free credits

The 25 largest dam engineering companies based in the United States

Ranked by team size
Top 25 of 417 company matches for dam engineering companies based in the United States, ordered by professional contacts tracked in RevenueBase, largest first. Recorded Sep 16, 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 Sep 16, 202610001+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 16, 2026 · View company records in RevenueBase
2Exact matchBoston, MA, United StatesHQ recorded Sep 16, 20265,001-10,0007,527 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 16, 2026 · View company records in RevenueBase
3Exact matchSan Diego, CA, United StatesHQ recorded Sep 16, 20261,001-5,0002,344 contacts →

Exact match

“At Kleinfelder, we have been connecting great people to the best work since 1961.”

Recorded in the RevenueBase company graph · Sep 16, 2026 · View company records in RevenueBase
4Exact matchSparks, NC, United StatesHQ recorded Sep 16, 20261,001-5,0002,207 contacts →

Exact match

“KCI is a 100-percent employee-owned engineering, consulting and construction firm serving clients throughout the United States and beyond.”

Recorded in the RevenueBase company graph · Sep 16, 2026 · View company records in RevenueBase
5Exact matchThe Woodlands, TX, United StatesHQ recorded Sep 16, 20261,001-5,0001,449 contacts →

Exact match

“Founded in 1963, Webber is a leading construction company that specializes in heavy civil, waterworks, energy and infrastructure management and is dedicated to safely providing…”

Recorded in the RevenueBase company graph · Sep 16, 2026 · View company records in RevenueBase
6Exact matchPortland, ME, United StatesHQ recorded Sep 16, 20261,001-5,0001,060 contacts →

Exact match

“Woodard & Curran is more than just a consulting firm – we are an employee-owned integrated science, engineering, design-build, and operations company specializing in water and…”

Recorded in the RevenueBase company graph · Sep 16, 2026 · View company records in RevenueBase
7Exact matchGlen Allen, VA, United StatesHQ recorded Sep 16, 2026501-1,000707 contacts →

Exact match

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

Recorded in the RevenueBase company graph · Sep 16, 2026 · View company records in RevenueBase
8Exact matchBozeman, MT, United StatesHQ recorded Sep 16, 2026201-500603 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 · Sep 16, 2026 · View company records in RevenueBase
9Exact matchSan Francisco, CA, United StatesHQ recorded Sep 16, 2026201-500578 contacts →

Exact match

“For over 100 years, Kennedy Jenks has provided engineering and scientific solutions for innovative water and environmental projects.”

Recorded in the RevenueBase company graph · Sep 16, 2026 · View company records in RevenueBase
10Exact matchChicago, IL, United StatesHQ recorded Sep 16, 2026201-500432 contacts →

Exact match

“In 1979, Collins Engineers, Inc.”

Recorded in the RevenueBase company graph · Sep 16, 2026 · View company records in RevenueBase
11Exact matchTampa, FL, United StatesHQ recorded Sep 16, 2026201-500265 contacts →

Exact match

“KCA is a multidisciplinary engineering firm with offices throughout the Southeastern United States.”

Recorded in the RevenueBase company graph · Sep 16, 2026 · View company records in RevenueBase
12Exact matchOklahoma City, OK, United StatesHQ recorded Sep 16, 2026201-500245 contacts →

Exact match

“CEC® is a privately held, multi-discipline engineering firm serving Oklahoma and Texas.”

Recorded in the RevenueBase company graph · Sep 16, 2026 · View company records in RevenueBase
13Exact matchWhite Bear Lake, MN, United StatesHQ recorded Sep 16, 202651-200234 contacts →

Exact match

“Core Purpose: We use our passion for engineering to impact the world.”

Recorded in the RevenueBase company graph · Sep 16, 2026 · View company records in RevenueBase
14Exact matchBoise, ID, United StatesHQ recorded Sep 16, 2026201-500226 contacts →

Exact match

“Water is a powerful and precious resource that deserves responsible management.”

Recorded in the RevenueBase company graph · Sep 16, 2026 · View company records in RevenueBase
15Exact matchJackson, MS, United StatesHQ recorded Sep 16, 2026201-500225 contacts →

Exact match

“Waggoner Engineering, Inc.”

Recorded in the RevenueBase company graph · Sep 16, 2026 · View company records in RevenueBase
16Exact matchGreenwood, SC, United StatesHQ recorded Sep 16, 202651-200179 contacts →

Exact match

“At Davis & Floyd, we design and engineer innovative solutions that enrich the world around us.”

Recorded in the RevenueBase company graph · Sep 16, 2026 · View company records in RevenueBase
17Exact matchPittsburgh, PA, United StatesHQ recorded Sep 16, 202651-200165 contacts →

Exact match

“RIZZO International, Inc.(RIZZO) is a global engineering and consulting firm headquartered in Pittsburgh, Pennsylvania US.”

Recorded in the RevenueBase company graph · Sep 16, 2026 · View company records in RevenueBase
18Exact matchFullerton, CA, United StatesHQ recorded Sep 16, 202611-50128 contacts →

Exact match

“CWE, an Apex Company, is a dynamic, award-winning civil engineering firm composed of engineers, scientists, designers, and construction support professionals.”

Recorded in the RevenueBase company graph · Sep 16, 2026 · View company records in RevenueBase
19Exact matchWichita, KS, United StatesHQ recorded Sep 16, 2026201-500120 contacts →

Exact match

“For over 25 years, Wildcat Construction has been a regional leader in bridge building and rehabilitation, concrete structures, plant construction, storm and sanitary sewers, water…”

Recorded in the RevenueBase company graph · Sep 16, 2026 · View company records in RevenueBase
20Exact matchWise, VA, United StatesHQ recorded Sep 16, 202651-200105 contacts →

Exact match

“Firms don’t design projects; people do.” Established in 1956 by William A.”

Recorded in the RevenueBase company graph · Sep 16, 2026 · View company records in RevenueBase
21Exact matchDraper, UT, United StatesHQ recorded Sep 16, 202651-200103 contacts →

Exact match

“Vector Structural Engineering is a full service structural engineering company licensed in all 50 states plus Washington, D.C, Puerto Rico and Provinces of Canada (Alberta…”

Recorded in the RevenueBase company graph · Sep 16, 2026 · View company records in RevenueBase
22Exact matchDillsburg, PA, United StatesHQ recorded Sep 16, 202651-200100 contacts →

Exact match

Recorded description not available.

Recorded in the RevenueBase company graph · Sep 16, 2026 · View company records in RevenueBase
23Exact matchColorado Springs, CO, United StatesHQ recorded Sep 16, 2026201-50094 contacts →

Exact match

“ASI Construction LLC (ASI), a proud member of the Shaft Drillers International (SDI) family of companies, is a self-performing Heavy Civil Contractor specializing in Dam…”

Recorded in the RevenueBase company graph · Sep 16, 2026 · View company records in RevenueBase
24Exact matchWoodbury, NY, United StatesHQ recorded Sep 16, 2026201-50087 contacts →

Exact match

“Founded in 1965, D&B Engineers and Architects (D&B) is committed to improving quality of life with innovative engineering solutions in sustainable, environmentally acceptable…”

Recorded in the RevenueBase company graph · Sep 16, 2026 · View company records in RevenueBase
25Exact matchDraper, UT, United StatesHQ recorded Sep 16, 202651-20085 contacts →

Exact match

“Bowen Collins & Associates, Inc.”

Recorded in the RevenueBase company graph · Sep 16, 2026 · View company records in RevenueBase

Showing 25 of 417 dam engineering companies based in the United States

See the full list, filter by size, metro and specialty, and access 14,286 tracked professional contacts with verified work emails. Direct dials are available where recorded.

Free signup · no credit card

View the full list →

Dam engineering companies based in the United States at a glance

As of Sep 16, 2026
37.9%Verified-email coverage
90.4Average contacts per company
11-50Median size (employees)
3.4%Largest-city concentration · Houston
Sep 16, 2026Page data refreshed

Companies by employee count

1-10
192
11-50
147
51-200
48
201-500
14
501-1,000
5
1,001-5,000
6
5,001-10,000
2
10001+
3

Email recency for this list is measured worldwide rather than for United States, so it is reported there. Company counts and contact totals on this page are exact for United States, over 417 companies.

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.
What qualifies
Company records associated with the United States whose business descriptions match “dam engineering 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. Where headquarters information is recorded, preview rows are also filtered to this page’s location. 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 14,286 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 16, 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.

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 companies”; each Exact match badge shows search membership, not an individual similarity or quality score.

How many dam engineering companies are there based in the United States?

RevenueBase identified 417 company matches for dam engineering companies associated with the United States 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?

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

Which city has the most dam engineering companies?

Houston leads with 14 company records, followed by Metairie (7) and Tampa (7).

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 14,286 professional contacts with verified work emails tracked across these 417 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 16, 2026.

Ready to reach these companies? Verified emails and direct dials for all 417 dam engineering companies based in the United States. Start with a free account, no credit card.

Download this list →

Related lists

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.