Company lists · Data refreshed November 2026

Top 25 Hydropower maintenance service providers worldwide

RevenueBase identified 1,921 company matches for hydropower maintenance service providers worldwide as of November 2026 and tracks 41,393 professional contacts across them, including 10,377 with verified work emails. The United States is the largest market and Sao Paulo the largest hub.

This list covers company matches for hydropower maintenance service providers 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 6, 2026. Country and city lists for hydropower maintenance service providers 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 6, 2026 How this list was built
1,921Companies
41,393Contacts tracked
10,377Verified emails
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The 25 largest hydropower maintenance service providers worldwide

Ranked by team size
Top 25 of 1,921 company matches for hydropower maintenance service providers worldwide, ordered by professional contacts tracked in RevenueBase, largest first. Recorded Nov 6, 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 matchHeidenheim, GermanyHQ recorded Nov 6, 20265,001-10,0003,694 contacts →

Exact match

“Voith Hydro is one of the leading industrial partners for #PowerStation operators - worldwide.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
2Exact matchMelrose Park, IL, United StatesHQ recorded Nov 6, 2026n/a1,518 contacts →

Exact match

“We are a full service turnkey provider for the power generation industry and those industries generating their own power as a means to an end.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
3Exact matchIrving, OK, United StatesHQ recorded Nov 6, 20261,001-5,0001,324 contacts →

Exact match

“Shermco Industries is a provider of safe, reliable testing, repair, professional training, electrical outage planning, maintenance and analysis of rotating apparatus and…”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
4Exact matchVienna, WA, GermanyHQ recorded Nov 6, 20265,001-10,0001,264 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 6, 2026 · View company records in RevenueBase
5Exact matchSarzedo, BrazilHQ recorded Nov 6, 2026501-1,000718 contacts →

Exact match

“The DATA Engenharia is installed in a green area of m2, with m2 of constructed area, in the municipality of Sarzedo (industrial region in the vicinity of Belo Horizonte / MG).”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
6Exact matchAarhus, DenmarkHQ recorded Nov 6, 2026201-500541 contacts →

Exact match

“Leading global renewable energy inspection, repair and maintenance service provider for wind turbine manufacturers and wind farm owners, providing services and expertise to all…”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
7Exact matchHull, United KingdomHQ recorded Nov 6, 2026501-1,000461 contacts →

Exact match

“GEV Wind Power is the global leading wind turbine maintenance & repair specialist.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
8Exact matchRugby, United KingdomHQ recorded Nov 6, 2026501-1,000456 contacts →

Exact match

“Quartzelec is a leading independent electrical engineering group delivering solutions and services in both UK and global markets.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
9Exact matchLatham, OH, United StatesHQ recorded Nov 6, 2026501-1,000403 contacts →

Exact match

“Mechanical Dynamics & Analysis (MD & A) provides power generation companies around the globe with a full-service OEM alternative for services, parts, and repairs.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
10Exact matchAberdeen, United KingdomHQ recorded Nov 6, 2026201-500340 contacts →

Exact match

“RWG (Repair & Overhauls) Limited is a Siemens Energy business.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
11Exact matchWinnipeg, MB, CanadaHQ recorded Nov 6, 2026501-1,000324 contacts →

Exact match

“Construction elements of the hydroelectric generating station include a 7-unit powerhouse complex, concrete spillway, approximately 2.2 kilometers of earth dam structures and 23.0…”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
12Exact matchGreenville, FL, United StatesHQ recorded Nov 6, 2026501-1,000308 contacts →

Exact match

“Excellence in creating innovative solutions for the supply, control and use of energy.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
13Exact matchBethlehem, WI, United StatesHQ recorded Nov 6, 2026201-500283 contacts →

Exact match

“Rotating Machinery Services (RMS)| Engineering Reliability in Rotating Equipment Since 1998, Rotating Machinery Services (RMS) has redefined the aftermarket for compressors…”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
14Exact matchSitten, SwitzerlandHQ recorded Nov 6, 2026501-1,000276 contacts →

Exact match

“The company HYDRO Exploitation SA is a service provider that specialises in the operation of electrical installations and hydroelectric facilities.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
15Exact matchMandaluyong City, PhilippinesHQ recorded Nov 6, 2026201-500274 contacts →

Exact match

“First Multi-Tech Industrial and Development Corporation (FMIDC) is a provider of power solutions and preventive maintenance to different industries, predominantly telecoms.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
16Exact matchBrazilHQ recorded Nov 6, 2026501-1,000265 contacts →

Exact match

“Sediada em Sertãozinho, SP, a TGM constitui as Unidades de Turbinas, Transmissões e Serviços, possui também outras três empresas sendo em Maceió, AL, em São José dos Campos, SP e…”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
17Exact matchFaridabad, IndiaHQ recorded Nov 6, 2026201-500265 contacts →

Exact match

“FLOVEL name has been synonymous with the hydropower sector for over four decades.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
18Exact matchZwijndrecht, BelgiumHQ recorded Nov 6, 2026201-500243 contacts →

Exact match

“Howden Maintenance Partners is part of Chart Industries and is a growing service company within the group, specializing in the maintenance, repair, and overhaul of industrial…”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
19Exact matchAirdrie, CanadaHQ recorded Nov 6, 2026201-500236 contacts →

Exact match

“TransCanada Turbines (TCT) is the sole authorized overhaul, repair and maintenance service provider for Siemens and General Electric (GE) aeroderivative industrial gas turbines…”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
20Exact matchBandung, IndonesiaHQ recorded Nov 6, 202651-200225 contacts →

Exact match

“Power Generation Services & Repairs for many more different types of Rotating Equipments & Turbomachinery, Accessories & Parts.* Field Services Division * In Shop Repair * Turbo…”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
21Exact matchAssis, BrazilHQ recorded Nov 6, 202651-200225 contacts →

Exact match

“Luz Energy Engenharia Ltda- Epp is a civil engineering company based out of R Orozimbo Leao De Carvalho, 223, Assis, São Paulo, Brazil.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
22Exact matchNiederranna, AustriaHQ recorded Nov 6, 2026201-500218 contacts →

Exact match

“GLOBAL Hydro is the primary contact worldwide for hydropower technologies and secures a liveable environment for the next generations due to innovative solutions.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
23Exact matchNaas, TX, IrelandHQ recorded Nov 6, 202651-200215 contacts →

Exact match

“OFS was established in 2002 to meet the growing needs of the international Oil & Gas, Power Generation and Energy markets.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
24Exact matchXanxerê, BrazilHQ recorded Nov 6, 2026201-500202 contacts →

Exact match

“Há 70 anos, sendo referência em Turbinas e serviços para hidrelétricas, promovendo soluções eficientes e inovadoras em projetos de engenharia de alta complexidade, cuidando do…”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
25Exact matchAston, AL, United KingdomHQ recorded Nov 6, 2026201-500201 contacts →

Exact match

“LEADING THE MRO INDUSTRY Chalmers & Kubeck, Inc.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase

Showing 25 of 1,921 hydropower maintenance service providers worldwide

See the full list, filter by size, metro and specialty, and access 10,377 tracked professional contacts with verified work emails. Direct dials are available where recorded.

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Hydropower maintenance service providers worldwide at a glance

As of Nov 6, 2026
25.1%Verified-email coverage
21.5Average contacts per company
11-50Median size (employees)
0.8%Largest-city concentration · Sao Paulo
Nov 6, 2026Page data refreshed

Companies by employee count

1-10
672
11-50
729
51-200
329
201-500
93
501-1,000
32
1,001-5,000
20
5,001-10,000
5
10001+
4

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 maintenance service providers are linked below.
What qualifies
Company records worldwide whose business descriptions match “hydropower maintenance service providers” 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 10,377 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 6, 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 maintenance service providers by location

13 lists · largest first

Every Hydropower maintenance service providers list RevenueBase publishes, by country and city. Counts are matching companies in each list as of its own refresh date.

Countries

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

How many hydropower maintenance service providers are there worldwide?

RevenueBase identified 1,921 company matches for hydropower maintenance service providers 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?

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

Which country has the most hydropower maintenance service providers?

The United States leads with 239 companies, followed by Brazil (208) and India (133). Every hydropower maintenance service providers list by country and city is linked on this page.

Which city has the most hydropower maintenance service providers?

Sao Paulo leads with 16 company records, followed by Houston (14) and Istanbul (12).

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 10,377 professional contacts with verified work emails tracked across these 1,921 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 6, 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.