Company lists · Data refreshed November 2026

Top 25 Power generation maintenance companies worldwide

RevenueBase identified 4,384 company matches for power generation maintenance companies worldwide as of November 2026 and tracks 106,016 professional contacts across them, including 20,007 with verified work emails. The United States is the largest market and Sao Paulo the largest hub.

This list covers company matches for power generation maintenance companies 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 power generation maintenance companies 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
4,384Companies
106,016Contacts tracked
20,007Verified emails
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The 25 largest power generation maintenance companies worldwide

Ranked by team size
Top 25 of 4,384 company matches for power generation maintenance companies 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 matchSouth Jakarta, IndonesiaHQ recorded Nov 6, 20261,001-5,0005,884 contacts →

Exact match

“PT PLN Indonesia Power, known as PLN-IP, is a sub-holding company of PT PLN (Persero) holding which is conducting electric power generation and other supporting businesses.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
2Exact matchAtlanta, GA, United StatesHQ recorded Nov 6, 202610001+3,768 contacts →

Exact match

“GE Vernova is a planned, purpose-built global energy company that includes Power, Wind, and Electrification businesses and is supported by its accelerator businesses of Advanced…”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
3Exact matchSurabaya, IndonesiaHQ recorded Nov 6, 20261,001-5,0002,275 contacts →

Exact match

“PT PLN Nusantara Power, known as PLN NP, is a sub-holding of PT PLN (Persero) which is engaged in the field of electricity generation and other supporting businesses.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
4Exact matchFontvieille, MonacoHQ recorded Nov 6, 20265,001-10,0002,035 contacts →

Exact match

“Dietsmann is the leading independent specialist in Operation & Maintenance services for continuous-production plant in the oil & gas and power industries with over 40 years of…”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
5Exact matchDubai, United Arab EmiratesHQ recorded Nov 6, 20261,001-5,0001,626 contacts →

Exact match

“The First National Operation and Maintenance Company “NOMAC” is an ACWA Power subsidiary founded in 2005 and firmly established in the GCC, North Africa and South, Middle Europe…”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
6Exact 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
7Exact matchDeer Park, TX, United StatesHQ recorded Nov 6, 2026501-1,0001,418 contacts →

Exact match

“Universal Plant Services (UPS) is the industry's foremost specialists in rotating and reciprocating equipment services.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
8Exact 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
9Exact matchMumbai, IndiaHQ recorded Nov 6, 2026501-1,000900 contacts →

Exact match

“Powerica is a leading manufacturer of Cummins Diesel and Gas Generators in India.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
10Exact matchJakarta Selatan, IndonesiaHQ recorded Nov 6, 20261,001-5,000890 contacts →

Exact match

“PT Truba Jaga Cita is subsidiary of PT.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
11Exact matchSao Paulo, BrazilHQ recorded Nov 6, 2026201-500854 contacts →

Exact match

“Criada em 1966, a partir da fusão de 11 empresas, a CESP registra em sua história iniciativas pioneiras na tecnologia construtiva de usinas e na recuperação e preservação do meio…”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
12Exact matchJakarta Selatan, IndonesiaHQ recorded Nov 6, 20265,001-10,000851 contacts →

Exact match

“Berdiri sejak 15 April 1998, PT PLN Indonesia Power Services (PLN IP Services) mulai beroperasi di Jakarta pada 15 Agustus 1998.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
13Exact matchSedalia, MO, United StatesHQ recorded Nov 6, 2026501-1,000834 contacts →

Exact match

“PROENERGY is an engineering, R&D, and manufacturing powerhouse.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
14Exact 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
15Exact matchUp, IndiaHQ recorded Nov 6, 2026501-1,000607 contacts →

Exact match

“Our Vision: To provide world class solutions for the renovation and modernization of power plants & other related businesses areas whilst improving our clients environmental…”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
16Exact matchCourbevoie, FranceHQ recorded Nov 6, 2026501-1,000544 contacts →

Exact match

“Sur les centrales nucléaires du groupe EDF, nous intervenons sur tous les types de bâtiments, à la fois de production et tertiaires.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
17Exact 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
18Exact matchChennai, IndiaHQ recorded Nov 6, 2026501-1,000533 contacts →

Exact match

“Toshiba JSW Power Systems Private Limited (Toshiba JSW) is a joint venture between Japan's Toshiba Group and India's JSW Group.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
19Exact matchDanvers, MA, United StatesHQ recorded Nov 6, 2026501-1,000528 contacts →

Exact match

“Finding a single capable partner to support both large- and small-scale power generation needs can be challenging.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
20Exact matchFlorianópolis, BrazilHQ recorded Nov 6, 2026201-500499 contacts →

Exact match

“A COTESA é especialista na Engenharia de Operação & Manutenção de ativos elétricos de Geração e Transmissão de energia.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
21Exact matchMadrid, SpainHQ recorded Nov 6, 2026501-1,000478 contacts →

Exact match

“Empresa de referencia del Grupo Cobra especializada en diseño, ingeniería, instalaciones y montajes mecánicos y eléctricos y mantenimiento industrial.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
22Exact 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
23Exact 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
24Exact matchSerra, BrazilHQ recorded Nov 6, 2026501-1,000443 contacts →

Exact match

“CONTRATOS DE MANUTENÇÃO A Tereme oferece a seus clientes soluções de manutenção global ou parcial dos equipamentos e instalações elétricas de uma planta industrial.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
25Exact 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

Showing 25 of 4,384 power generation maintenance companies worldwide

See the full list, filter by size, metro and specialty, and access 20,007 tracked professional contacts with verified work emails. Direct dials are available where recorded.

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Power generation maintenance companies worldwide at a glance

As of Nov 6, 2026
18.9%Verified-email coverage
24.2Average contacts per company
11-50Median size (employees)
1.0%Largest-city concentration · Sao Paulo
Nov 6, 2026Page data refreshed

Companies by employee count

1-10
1,553
11-50
1,653
51-200
735
201-500
226
501-1,000
77
1,001-5,000
53
5,001-10,000
15
10001+
8

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 power generation maintenance companies are linked below.
What qualifies
Company records worldwide whose business descriptions match “power generation maintenance 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. 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 20,007 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.

Power generation maintenance companies by location

24 lists · largest first

Every Power generation maintenance companies 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 “power generation maintenance companies”; each Exact match badge shows search membership, not an individual similarity or quality score.

How many power generation maintenance companies are there worldwide?

RevenueBase identified 4,384 company matches for power generation maintenance companies 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?

PLN Indonesia Power tops the displayed preview by professional contacts tracked in RevenueBase. Recorded headquarters appear in the company rows.

Which country has the most power generation maintenance companies?

The United States leads with 591 companies, followed by Brazil (496) and India (342). Every power generation maintenance companies list by country and city is linked on this page.

Which city has the most power generation maintenance companies?

Sao Paulo leads with 42 company records, followed by Tehran (34) and Houston (33).

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 20,007 professional contacts with verified work emails tracked across these 4,384 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.