Company lists · Data refreshed September 2026

Top 25 Water resources development companies based in the United States

RevenueBase identified 481 company matches for water resources development companies associated with the United States as of September 2026 and tracks 39,767 professional contacts across them, including 16,184 with verified work emails. Houston is the largest hub.

This list covers company matches for water resources development 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 22, 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 22, 2026 How this list was built
481Companies
39,767Contacts tracked
16,184Verified emails
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The 25 largest water resources development companies based in the United States

Ranked by team size
Top 25 of 481 company matches for water resources development companies based in the United States, ordered by professional contacts tracked in RevenueBase, largest first. Recorded Sep 22, 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 22, 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 22, 2026 · View company records in RevenueBase
2Exact matchBoston, MA, United StatesHQ recorded Sep 22, 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 22, 2026 · View company records in RevenueBase
3Exact matchNew York, NY, United StatesHQ recorded Sep 22, 20261,001-5,0003,556 contacts →

Exact match

“STV offers professional services for the infrastructure that powers our lives.”

Recorded in the RevenueBase company graph · Sep 22, 2026 · View company records in RevenueBase
4Exact matchWalnut Creek, CA, United StatesHQ recorded Sep 22, 20261,001-5,0001,718 contacts →

Exact match

“For more than 90 years, Carollo Engineers has been dedicated exclusively to water and wastewater solutions.”

Recorded in the RevenueBase company graph · Sep 22, 2026 · View company records in RevenueBase
5Exact matchIrvine, CA, United StatesHQ recorded Sep 22, 20261,001-5,000760 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 · Sep 22, 2026 · View company records in RevenueBase
6Exact matchBozeman, MT, United StatesHQ recorded Sep 22, 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 22, 2026 · View company records in RevenueBase
7Exact matchSan Francisco, CA, United StatesHQ recorded Sep 22, 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 22, 2026 · View company records in RevenueBase
8Exact matchBroomfield, CO, United StatesHQ recorded Sep 22, 2026501-1,000428 contacts →

Exact match

“As a leading U.S.”

Recorded in the RevenueBase company graph · Sep 22, 2026 · View company records in RevenueBase
9Exact matchMarlborough, MA, United StatesHQ recorded Sep 22, 202651-200315 contacts →

Exact match

“Tata & Howard is a 100% employee owned, award-winning, specialized consulting engineering firm dedicated to providing superior client service coupled with delivering…”

Recorded in the RevenueBase company graph · Sep 22, 2026 · View company records in RevenueBase
10Exact matchDetroit, MI, United StatesHQ recorded Sep 22, 2026201-500280 contacts →

Exact match

“LGC Global delivers 100+ years of technical expertise in turnkey design-build and traditional construction, renovation and rehabilitation (including historical buildings), water…”

Recorded in the RevenueBase company graph · Sep 22, 2026 · View company records in RevenueBase
11Exact matchDavis, CA, United StatesHQ recorded Sep 22, 2026201-500279 contacts →

Exact match

“West Yost is a water-focused consulting engineering firm ranked by Fortune Magazine as one of the “Best Small and Medium Workplaces in Consulting and Professional Services” 2023 -…”

Recorded in the RevenueBase company graph · Sep 22, 2026 · View company records in RevenueBase
12Exact matchBoise, ID, United StatesHQ recorded Sep 22, 2026201-500226 contacts →

Exact match

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

Recorded in the RevenueBase company graph · Sep 22, 2026 · View company records in RevenueBase
13Exact matchMiamisburg, OH, United StatesHQ recorded Sep 22, 2026501-1,000196 contacts →

Exact match

“Ulliman Schutte is a national leader in providing water infrastructure in the United States.”

Recorded in the RevenueBase company graph · Sep 22, 2026 · View company records in RevenueBase
14Exact matchRiverside, CA, United StatesHQ recorded Sep 22, 202651-200185 contacts →

Exact match

“Albert A.”

Recorded in the RevenueBase company graph · Sep 22, 2026 · View company records in RevenueBase
15Exact matchGreenwood, SC, United StatesHQ recorded Sep 22, 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 22, 2026 · View company records in RevenueBase
16Exact matchPhoenix, AZ, United StatesHQ recorded Sep 22, 2026201-500178 contacts →

Exact match

“Felix Construction Company is a general engineering contractor and construction management company with a specific focus on: Water production facilities, well sites, booster pump…”

Recorded in the RevenueBase company graph · Sep 22, 2026 · View company records in RevenueBase
17Exact matchDaly City, CA, United StatesHQ recorded Sep 22, 202651-200167 contacts →

Exact match

“EKI Environment & Water, Inc.(EKI) is an employee-owned company that has provided comprehensive water resources and engineering services to public and private sector clients for…”

Recorded in the RevenueBase company graph · Sep 22, 2026 · View company records in RevenueBase
18Exact matchPittsburgh, PA, United StatesHQ recorded Sep 22, 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 22, 2026 · View company records in RevenueBase
19Exact matchJacksonville, FL, United StatesHQ recorded Sep 22, 2026201-500156 contacts →

Exact match

“Headquartered in Jacksonville, Florida, Petticoat-Schmitt Civil Contractors, Inc, is a privately owned civil contracting firm.”

Recorded in the RevenueBase company graph · Sep 22, 2026 · View company records in RevenueBase
20Exact matchYork, PA, United StatesHQ recorded Sep 22, 2026201-500146 contacts →

Exact match

“The professionals at Buchart Horn strengthen communities by designing the infrastructure to provide us with clean water, protect our environment, promote safe travel, enhance…”

Recorded in the RevenueBase company graph · Sep 22, 2026 · View company records in RevenueBase
21Exact matchBothell, WA, United StatesHQ recorded Sep 22, 202651-200136 contacts →

Exact match

“RH2 is an innovative, full-service engineering firm specializing in water and wastewater related projects.”

Recorded in the RevenueBase company graph · Sep 22, 2026 · View company records in RevenueBase
22Exact matchScottsdale, AZ, United StatesHQ recorded Sep 22, 202651-200135 contacts →

Exact match

“Water Works Engineers is a leading civil and environmental engineering firm specializing in innovative and sustainable solutions for water infrastructure projects across the…”

Recorded in the RevenueBase company graph · Sep 22, 2026 · View company records in RevenueBase
23Exact matchFullerton, CA, United StatesHQ recorded Sep 22, 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 22, 2026 · View company records in RevenueBase
24Exact matchDeerwood, MN, United StatesHQ recorded Sep 22, 2026201-500125 contacts →

Exact match

“At Rice Lake Construction Group, we know water.”

Recorded in the RevenueBase company graph · Sep 22, 2026 · View company records in RevenueBase
25Exact matchWichita, KS, United StatesHQ recorded Sep 22, 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 22, 2026 · View company records in RevenueBase

Showing 25 of 481 water resources development companies based in the United States

See the full list, filter by size, metro and specialty, and access 16,184 tracked professional contacts with verified work emails. Direct dials are available where recorded.

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Water resources development companies based in the United States at a glance

As of Sep 22, 2026
40.7%Verified-email coverage
82.7Average contacts per company
11-50Median size (employees)
2.3%Largest-city concentration · Houston
Sep 22, 2026Page data refreshed

Companies by employee count

1-10
194
11-50
164
51-200
79
201-500
22
501-1,000
7
1,001-5,000
7
5,001-10,000
4
10001+
2

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 481 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 “water resources 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. 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 16,184 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 22, 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 “water resources development companies”; each Exact match badge shows search membership, not an individual similarity or quality score.

How many water resources development companies are there based in the United States?

RevenueBase identified 481 company matches for water resources development 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 water resources development companies?

Houston leads with 11 company records, followed by Austin (8) and Denver (8).

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 16,184 professional contacts with verified work emails tracked across these 481 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 22, 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.