Company lists · Data refreshed November 2026

Top 25 Hydropower consulting firms worldwide

Name: Hydropower consulting firms worldwide
Creator: RevenueBase
License: https://creativecommons.org/licenses/by/4.0/

Compiled by the RevenueBase Data Team Data refreshed Nov 5, 2026 4,584 companies tracked

RevenueBase identified 4,584 company matches for hydropower consulting firms worldwide as of November 2026 and tracks 182,146 professional contacts across them, including 59,055 with verified work emails. The United States is the largest market and Tehran the largest hub.

This list covers company matches for hydropower consulting 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 November 5, 2026. Country and city lists for hydropower consulting 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 Nov 5, 2026 How this list was built

4,584Companies

182,146Contacts tracked

59,055Verified emails

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The 25 largest hydropower consulting firms worldwide

Ranked by team size

Top 25 of 4,584 company matches for hydropower consulting firms worldwide, ordered by professional contacts tracked in RevenueBase, largest first. Recorded Nov 5, 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 Nov 5, 2026	10001+	68,572 contacts →
	Exact match “AECOM is the global infrastructure leader, committed to delivering a better world.” Recorded in the RevenueBase company graph · Nov 5, 2026 · View company records in RevenueBase
2	Tetra Tech	Exact match	Pasadena, CA, United StatesHQ recorded Nov 5, 2026	10001+	14,232 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 · Nov 5, 2026 · View company records in RevenueBase
3	National Engineering Services Pakistan PVT Limited Nespak	Exact match	Lahore, PakistanHQ recorded Nov 5, 2026	5,001-10,000	3,557 contacts →
	Exact match “NESPAK is Pakistan’s premier consultancy organization (established in 1973).” Recorded in the RevenueBase company graph · Nov 5, 2026 · View company records in RevenueBase
4	Hazen And Sawyer	Exact match	New York, CO, United StatesHQ recorded Nov 5, 2026	1,001-5,000	2,306 contacts →
	Exact match “As Hazen marks 75 years, we celebrate a legacy of absolute commitment to our clients while delivering the best technical work available anywhere.” Recorded in the RevenueBase company graph · Nov 5, 2026 · View company records in RevenueBase
5	GEI Consultants, INC	Exact match	Woburn, MA, United StatesHQ recorded Nov 5, 2026	1,001-5,000	1,675 contacts →
	Exact match Recorded description not available. Recorded in the RevenueBase company graph · Nov 5, 2026 · View company records in RevenueBase
6	Wapcos Limited Official	Exact match	New Delhi, IndiaHQ recorded Nov 5, 2026	1,001-5,000	1,636 contacts →
	Exact match “WAPCOS Limited is a “MINI RATNA-I” Public Sector Enterprise under the aegis of the Union Ministry of Water Resources, River Development & Ganga Rejuvenation.” Recorded in the RevenueBase company graph · Nov 5, 2026 · View company records in RevenueBase
7	Ingetec	Exact match	Bogota, ColombiaHQ recorded Nov 5, 2026	1,001-5,000	1,588 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 · Nov 5, 2026 · View company records in RevenueBase
8	Elsewedy Electric Power Systems Projects	Exact match	Cairo, EgyptHQ recorded Nov 5, 2026	1,001-5,000	1,529 contacts →
	Exact match “An integrated energy solutions -design and build- provider specialized in Power Generation, Water Treatment and Hydropower while currently diversifying our business segments to…” Recorded in the RevenueBase company graph · Nov 5, 2026 · View company records in RevenueBase
9	Davey Resource Group, INC	Exact match	Kent, OH, United StatesHQ recorded Nov 5, 2026	1,001-5,000	1,477 contacts →
	Exact match “Davey Resource Group, Inc.(DRG) provides innovative consulting and field services that support utility infrastructure and environmental stewardship.” Recorded in the RevenueBase company graph · Nov 5, 2026 · View company records in RevenueBase
10	Knight Piesold	Exact match	Belvedere, United StatesHQ recorded Nov 5, 2026	1,001-5,000	1,378 contacts →
	Exact match “Knight Piésold is an employee-owned, global consulting firm delivering specialist services to the mining, power, water resources, and infrastructure industries.” Recorded in the RevenueBase company graph · Nov 5, 2026 · View company records in RevenueBase
11	Andritz Hydro	Exact match	Vienna, WA, GermanyHQ recorded Nov 5, 2026	5,001-10,000	1,264 contacts →
	Exact match “From the historic pioneers of technology to a modern global market leader ANDRITZ Hydropower is one of the world's leading suppliers of electromechanical equipment and services…” Recorded in the RevenueBase company graph · Nov 5, 2026 · View company records in RevenueBase
12	Barr Engineering CO	Exact match	Minneapolis, NV, United StatesHQ recorded Nov 5, 2026	1,001-5,000	1,146 contacts →
	Exact match “Barr provides engineering and environmental consulting services to clients across the Midwest, throughout the Americas, and around the world.” Recorded in the RevenueBase company graph · Nov 5, 2026 · View company records in RevenueBase
13	WSP Chile Y Argentina	Exact match	Vitacura, ChileHQ recorded Nov 5, 2026	10001+	1,079 contacts →
	Exact match “WSP en una empresa líder en servicios profesionales de consultoría en recursos hídricos, ingeniería, medio ambiente y sustentabilidad.” Recorded in the RevenueBase company graph · Nov 5, 2026 · View company records in RevenueBase
14	GAI Consultants, INC	Exact match	Homestead, PA, United StatesHQ recorded Nov 5, 2026	501-1,000	1,027 contacts →
	Exact match “Transforming ideas into reality® since 1958, GAI Consultants is an engineering, planning, and environmental consulting firm that provides customized solutions and local expertise…” Recorded in the RevenueBase company graph · Nov 5, 2026 · View company records in RevenueBase
15	Nippon Koei India Private Limited	Exact match	New Delhi, IndiaHQ recorded Nov 5, 2026	1,001-5,000	985 contacts →
	Exact match “NK India is a part of the ID & E Group (formerly known as Nippon Koei Group) worldwide.” Recorded in the RevenueBase company graph · Nov 5, 2026 · View company records in RevenueBase
16	M. N. Dastur & Co. P LTD	Exact match	Kolkata, IndiaHQ recorded Nov 5, 2026	1,001-5,000	941 contacts →
	Exact match “M.” Recorded in the RevenueBase company graph · Nov 5, 2026 · View company records in RevenueBase
17	Parametrix	Exact match	Seattle, WA, United StatesHQ recorded Nov 5, 2026	501-1,000	923 contacts →
	Exact match “At Parametrix, we help our clients imagine what's possible.” Recorded in the RevenueBase company graph · Nov 5, 2026 · View company records in RevenueBase
18	Klohn Crippen Berger	Exact match	Vancouver, NB, CanadaHQ recorded Nov 5, 2026	501-1,000	909 contacts →
	Exact match “KCB is a global engineering, geosciences, and environmental consulting firm driven by Passion, Integrity and a commitment to Excellence.” Recorded in the RevenueBase company graph · Nov 5, 2026 · View company records in RevenueBase
19	Willdan	Exact match	Anaheim, CA, United StatesHQ recorded Nov 5, 2026	1,001-5,000	897 contacts →
	Exact match “Willdan (NASDAQ: WLDN) provides professional consulting and technical services to utilities, public agencies and private industry throughout the United States.” Recorded in the RevenueBase company graph · Nov 5, 2026 · View company records in RevenueBase
20	DUDEK	Exact match	Encinitas, CA, United StatesHQ recorded Nov 5, 2026	501-1,000	829 contacts →
	Exact match “Dudek is an environmental, planning, and engineering consulting firm.” Recorded in the RevenueBase company graph · Nov 5, 2026 · View company records in RevenueBase
21	Monenco Iran Consulting Engineers	Exact match	Tehran, IranHQ recorded Nov 5, 2026	1,001-5,000	814 contacts →
	Exact match “Monenco Iran was formed in 1973 as a joint venture between the private sector of Iran and Montreal Engineering Company of Canada.” Recorded in the RevenueBase company graph · Nov 5, 2026 · View company records in RevenueBase
22	Integral S.A. Ingenieros Consultores	Exact match	Medellín \| Bogotá \| Lima \| Miami \| Nueva Delhi, ColombiaHQ recorded Nov 5, 2026	1,001-5,000	809 contacts →
	Exact match “Over six decades offering our consultancy services locally and internationally, based on ethical principles and commitments, always through honest, socially responsible actions…” Recorded in the RevenueBase company graph · Nov 5, 2026 · View company records in RevenueBase
23	Oriental Consultants Global	Exact match	Shinjuku-ku, JapanHQ recorded Nov 5, 2026	201-500	783 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 · Nov 5, 2026 · View company records in RevenueBase
24	Cobrape	Exact match	Sao Paulo, BrazilHQ recorded Nov 5, 2026	201-500	719 contacts →
	Exact match “Uma equipe multidisciplinar de profissionais permanentemente à sua disposição.” Recorded in the RevenueBase company graph · Nov 5, 2026 · View company records in RevenueBase
25	Sondotécnica Engenharia	Exact match	Rio De Janeiro, BrazilHQ recorded Nov 5, 2026	201-500	696 contacts →
	Exact match “Sondotécnica was founded in 1954.” Recorded in the RevenueBase company graph · Nov 5, 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 “hydropower consulting 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 4,584 hydropower consulting firms worldwide

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Hydropower consulting firms worldwide at a glance

As of Nov 5, 2026

32.4%Verified-email coverage

39.7Average contacts per company

1-10Median size (employees)

1.3%Largest-city concentration · Tehran

Nov 5, 2026Page data refreshed

Companies by employee count

1-10

2,433

11-50

1,387

51-200

461

201-500

146

501-1,000

1,001-5,000

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 hydropower consulting firms are linked below.
What qualifies: Company records worldwide whose business descriptions match “hydropower consulting 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 59,055 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 November 5, 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.

Hydropower consulting firms by location

101 lists · largest first

Every Hydropower consulting 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 “hydropower consulting firms”; each Exact match badge shows search membership, not an individual similarity or quality score.

How many hydropower consulting firms are there worldwide?

RevenueBase identified 4,584 company matches for hydropower consulting firms worldwide as of November 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 hydropower consulting firms?

The United States leads with 674 companies, followed by Brazil (288) and France (242). Every hydropower consulting firms list by country and city is linked on this page.

Which city has the most hydropower consulting firms?

Tehran leads with 61 company records, followed by Belo Horizonte (41) and Sao Paulo (38).

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 59,055 professional contacts with verified work emails tracked across these 4,584 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 November 5, 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.