Company lists · Data refreshed September 2026

Top 25 Hydroelectric power consultants based in the United States

Name: Hydroelectric power consultants based in the United States
Creator: RevenueBase
License: https://creativecommons.org/licenses/by/4.0/

Compiled by the RevenueBase Data Team Data refreshed Sep 20, 2026 150 companies tracked

RevenueBase identified 150 company matches for hydroelectric power consultants associated with the United States as of September 2026 and tracks 15,057 professional contacts across them, including 6,324 with verified work emails. Denver is the largest hub.

This list covers company matches for hydroelectric power consultants 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 20, 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 20, 2026 How this list was built

150Companies

15,057Contacts tracked

6,324Verified emails

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The 25 largest hydroelectric power consultants based in the United States

Ranked by team size

Top 25 of 150 company matches for hydroelectric power consultants based in the United States, ordered by professional contacts tracked in RevenueBase, largest first. Recorded Sep 20, 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	Tetra Tech	Exact match	Pasadena, CA, United StatesHQ recorded Sep 20, 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 20, 2026 · View company records in RevenueBase
2	West Yost	Exact match	Davis, CA, United StatesHQ recorded Sep 20, 2026	201-500	279 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 20, 2026 · View company records in RevenueBase
3	Rizzo International	Exact match	Pittsburgh, PA, United StatesHQ recorded Sep 20, 2026	51-200	165 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 20, 2026 · View company records in RevenueBase
4	PSE Engineers & Consultants	Exact match	Madison, WI, United StatesHQ recorded Sep 20, 2026	51-200	157 contacts →
	Exact match “PSE is an electrical energy expert that provides relationship-driven engineering and consulting services for forward-thinking partners who pursue long-term energy solutions.” Recorded in the RevenueBase company graph · Sep 20, 2026 · View company records in RevenueBase
5	American Hydro	Exact match	York, PA, United StatesHQ recorded Sep 20, 2026	51-200	77 contacts →
	Exact match “Engineering Our focus is to create designs that maximize turbine capacity and efficiency while eliminating cavitation to meet our customers’ needs.” Recorded in the RevenueBase company graph · Sep 20, 2026 · View company records in RevenueBase
6	Electric Power Systems, INC	Exact match	Anchorage, AK, United StatesHQ recorded Sep 20, 2026	51-200	63 contacts →
	Exact match “Incorporated in 1996, Electric Power Systems, Inc.(EPS) is a unique company offering a wide range of system planning, analysis, design, protection, and controls experience in the…” Recorded in the RevenueBase company graph · Sep 20, 2026 · View company records in RevenueBase
7	AH Engineering Consultants	Exact match	Newport News, VA, United StatesHQ recorded Sep 20, 2026	11-50	55 contacts →
	Exact match “Few companies can offer the vast range of technical expertise in guiding engineering decisions that AH brings to each and every project our clients entrust us with.” Recorded in the RevenueBase company graph · Sep 20, 2026 · View company records in RevenueBase
8	FA Engineering	Exact match	Pocatello, ID, United StatesHQ recorded Sep 20, 2026	51-200	52 contacts →
	Exact match “FA Engineering provides personalized quality technical solutions.” Recorded in the RevenueBase company graph · Sep 20, 2026 · View company records in RevenueBase
9	Gomez And Sullivan Engineers, D.P.C	Exact match	Utica, NY, United StatesHQ recorded Sep 20, 2026	11-50	50 contacts →
	Exact match Recorded description not available. Recorded in the RevenueBase company graph · Sep 20, 2026 · View company records in RevenueBase
10	IEC Corporation	Exact match	Sacramento, CA, United StatesHQ recorded Sep 20, 2026	11-50	46 contacts →
	Exact match “IEC Corporation is a multi-discipline engineering, design, and consulting firm dedicated to Shaping the Future of Energy™.” Recorded in the RevenueBase company graph · Sep 20, 2026 · View company records in RevenueBase
11	Enernex	Exact match	Knoxville, TN, United StatesHQ recorded Sep 20, 2026	11-50	38 contacts →
	Exact match “EnerNex, a CESI company, is an international champion delivering leading-edge engineering and consulting services to shape a better energy future.” Recorded in the RevenueBase company graph · Sep 20, 2026 · View company records in RevenueBase
12	PLM	Exact match	Marlborough, MA, United StatesHQ recorded Sep 20, 2026	11-50	38 contacts →
	Exact match “PLM is a highly specialized electric power engineering consulting and design firm.” Recorded in the RevenueBase company graph · Sep 20, 2026 · View company records in RevenueBase
13	Natel Energy	Exact match	Alameda, CA, United StatesHQ recorded Sep 20, 2026	11-50	35 contacts →
	Exact match “Natel Energy unlocks stranded hydro resources with patented FishSafe™ turbine designs that fit directly into existing civil works across Francis, Kaplan, and propeller…” Recorded in the RevenueBase company graph · Sep 20, 2026 · View company records in RevenueBase
14	Gers USA	Exact match	Weston, FL, United StatesHQ recorded Sep 20, 2026	51-200	31 contacts →
	Exact match “GERS is a group with more than 44 years of experience specializing in Consulting Services in Electrical Engineering and associated areas.” Recorded in the RevenueBase company graph · Sep 20, 2026 · View company records in RevenueBase
15	P. Joseph Lehman, Inc., Consulting Engineers	Exact match	Duncansville, PA, United StatesHQ recorded Sep 20, 2026	11-50	30 contacts →
	Exact match “P.” Recorded in the RevenueBase company graph · Sep 20, 2026 · View company records in RevenueBase
16	Emrgy INC	Exact match	Atlanta, GA, United StatesHQ recorded Sep 20, 2026	11-50	30 contacts →
	Exact match “Emrgy designs and deploys modular, scalable hydroelectric solutions without the need for construction or dams.” Recorded in the RevenueBase company graph · Sep 20, 2026 · View company records in RevenueBase
17	Krishnan & Associates, INC	Exact match	Stamford, CT, United StatesHQ recorded Sep 20, 2026	11-50	26 contacts →
	Exact match “Krishnan & Associates (K&A) is a full service power and energy industry consulting firm providing specialized marketing, market analytics, mergers & acquisitions and recruitment…” Recorded in the RevenueBase company graph · Sep 20, 2026 · View company records in RevenueBase
18	Robertson-Bryan, INC	Exact match	Rancho Cordova, CA, United StatesHQ recorded Sep 20, 2026	11-50	24 contacts →
	Exact match “Robertson-Bryan, Inc.(RBI) is a multi-disciplinary consulting firm of scientists and engineers with expertise in water and power resource planning, wastewater regulations and…” Recorded in the RevenueBase company graph · Sep 20, 2026 · View company records in RevenueBase
19	Current Hydro	Exact match	Pittsburgh, PA, United StatesHQ recorded Sep 20, 2026	11-50	24 contacts →
	Exact match “Current Hydro is a hydropower developer, owner, and operator focused on unlocking clean energy from America’s existing infrastructure.” Recorded in the RevenueBase company graph · Sep 20, 2026 · View company records in RevenueBase
20	K&m Advisors	Exact match	Bethesda, MD, United StatesHQ recorded Sep 20, 2026	11-50	19 contacts →
	Exact match “K&M is an international transaction and engineering advisory firm.” Recorded in the RevenueBase company graph · Sep 20, 2026 · View company records in RevenueBase
21	CLC Engineering, LLC	Exact match	Alexandria, LA, United StatesHQ recorded Sep 20, 2026	11-50	18 contacts →
	Exact match Recorded description not available. Recorded in the RevenueBase company graph · Sep 20, 2026 · View company records in RevenueBase
22	Utility System Efficiencies, INC	Exact match	Carmichael, CA, United StatesHQ recorded Sep 20, 2026	11-50	17 contacts →
	Exact match “Since 1992 Utility System Efficiencies, Inc.(USE) has been serving a variety of power industry clients and enhancing their internal transmission and system analytical capabilities.” Recorded in the RevenueBase company graph · Sep 20, 2026 · View company records in RevenueBase
23	Watershed Science & Engineering	Exact match	Seattle, WA, United StatesHQ recorded Sep 20, 2026	11-50	16 contacts →
	Exact match “At WSE, our focus is on service.” Recorded in the RevenueBase company graph · Sep 20, 2026 · View company records in RevenueBase
24	Southeastern Consulting Engineers, INC	Exact match	Charlotte, NC, United StatesHQ recorded Sep 20, 2026	1-10	15 contacts →
	Exact match “Southeastern offers a complete range of electrical engineering and consulting services to our clients.” Recorded in the RevenueBase company graph · Sep 20, 2026 · View company records in RevenueBase
25	Mckain Power Systems Consulting, LLC	Exact match	Katy, TX, United StatesHQ recorded Sep 20, 2026	11-50	15 contacts →
	Exact match “At McKain Power Systems, our mission is simple – to be regarded as THE PLACE to go for your Power Systems needs.” Recorded in the RevenueBase company graph · Sep 20, 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 “hydroelectric power consultants”. 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 150 hydroelectric power consultants based in the United States

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Hydroelectric power consultants based in the United States at a glance

As of Sep 20, 2026

42.0%Verified-email coverage

100.4Average contacts per company

1-10Median size (employees)

2.7%Largest-city concentration · Denver

Sep 20, 2026Page data refreshed

Companies by employee count

1-10

11-50

51-200

201-500

501-1,000

1,001-5,000

10001+

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 150 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 “hydroelectric power consultants” 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 6,324 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 20, 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 “hydroelectric power consultants”; each Exact match badge shows search membership, not an individual similarity or quality score.

How many hydroelectric power consultants are there based in the United States?

RevenueBase identified 150 company matches for hydroelectric power consultants 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 hydroelectric power consultants?

Denver leads with 4 company records, followed by Houston (4) and Austin (3).

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 6,324 professional contacts with verified work emails tracked across these 150 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 20, 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.