Company lists · Data refreshed November 2026

Top 25 Diesel generator repair services worldwide

RevenueBase identified 3,526 company matches for diesel generator repair services worldwide as of November 2026 and tracks 27,889 professional contacts across them, including 5,773 with verified work emails. The United States is the largest market and Bangalore the largest hub.

This list covers company matches for diesel generator repair services 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 diesel generator repair services 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
3,526Companies
27,889Contacts tracked
5,773Verified emails
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The 25 largest diesel generator repair services worldwide

Ranked by team size
Top 25 of 3,526 company matches for diesel generator repair services 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 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
2Exact 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
3Exact 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
4Exact 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
5Exact 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
6Exact 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
7Exact 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
8Exact 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
9Exact 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
10Exact 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
11Exact matchJohannesburg, South AfricaHQ recorded Nov 6, 2026201-500221 contacts →

Exact match

“LH Marthinusen, a division of ACTOM (Pty) Ltd, is B-BBEE Level 1 and one of the largest global operations of it's kind, offering a comprehensive suite of on and off-site…”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
12Exact matchDubai, United Arab EmiratesHQ recorded Nov 6, 2026201-500216 contacts →

Exact match

“Precision Industries, Your Trusted Partner for Reliable Diesel Power Solutions in MEA Based in Dubai, UAE, Precision Industries® delivers custom diesel generators, industrial…”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
13Exact matchSan Leandro, CA, United StatesHQ recorded Nov 6, 20261,001-5,000196 contacts →

Exact match

“Peterson Power Systems serves Northern California, western Oregon, and southern Washington, providing Caterpillar diesel and natural gas engines for power generation, as well as…”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
14Exact matchCaracas, VenezuelaHQ recorded Nov 6, 2026201-500162 contacts →

Exact match

“Somos una empresa fundada en el año 1975, especializada en el área de generación eléctrica.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
15Exact matchMapusa, IndiaHQ recorded Nov 6, 2026201-500157 contacts →

Exact match

“A flagship of the Pai Kane Group, we are a leading manufacturer of Diesel and Gas generator sets based in India and with manufacturing facilities in India and UK.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
16Exact matchMaracaibo, VenezuelaHQ recorded Nov 6, 202651-200153 contacts →

Exact match

“Empresa líder en el servicio integral especializado de equipos de transformación de energía, experta en los sectores Industrial, Eléctrico, Petroquímico y Petróleo & Gas.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
17Exact matchChesapeake, VA, United StatesHQ recorded Nov 6, 2026201-500141 contacts →

Exact match

“Established in 1960, Electric Motor and Contracting remains one of the largest independently owned electric motor and pump repair shops in the U.S.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
18Exact matchVannes, FranceHQ recorded Nov 6, 2026201-500126 contacts →

Exact match

“ASERTI Electronic est une société spécialisée dans la maintenance d’équipements industriels électroniques et de systèmes d’entraînements.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
19Exact matchContagem, BrazilHQ recorded Nov 6, 202651-200125 contacts →

Exact match

“São mais de 25 anos de mercado como líder em reparação de componentes para motores a diesel como: Turbinas, Sistemas de Injeção Common Rail, Bombas e Bicos Injetores, Unidades…”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
20Exact matchValencia/valència, SpainHQ recorded Nov 6, 202651-200122 contacts →

Exact match

“Somos una empresa de servicios dedicada a ofrecer soluciones en el área de: SERVICIO ESPECIALIZADO DE PERSONAL SERVICIOS DE CAMPO Evaluación, Inspección y Mantenimiento de…”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
21Exact matchSingaporeHQ recorded Nov 6, 2026201-500120 contacts →

Exact match

“Formerly known as Siemens Westinghouse, we specialize in MRO, engineering, design, supply, installation, testing and commissioning of electrical and mechanical equipment and…”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
22Exact matchPorto Alegre, BrazilHQ recorded Nov 6, 20261,001-5,000113 contacts →

Exact match

Recorded description not available.

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
23Exact matchChennai, IndiaHQ recorded Nov 6, 202651-200105 contacts →

Exact match

“Genlite - Powering Brighter Futures Since 1983 Uninterrupted Power.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
24Exact match48480, GermanyHQ recorded Nov 6, 2026201-500101 contacts →

Exact match

“We are one of the largest European OEM-independent service companies for combustion engines of all current types from 100 to kW.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
25Exact matchGreat Yarmouth, United KingdomHQ recorded Nov 6, 202651-200100 contacts →

Exact match

“Prior Power Solutions is a leading supplier of specialised diesel-driven, alternative, and sustainable power systems, equipment and services to the oil and gas, marine…”

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

Showing 25 of 3,526 diesel generator repair services worldwide

See the full list, filter by size, metro and specialty, and access 5,773 tracked professional contacts with verified work emails. Direct dials are available where recorded.

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Diesel generator repair services worldwide at a glance

As of Nov 6, 2026
20.7%Verified-email coverage
7.9Average contacts per company
11-50Median size (employees)
0.9%Largest-city concentration · Bangalore
Nov 6, 2026Page data refreshed

Companies by employee count

1-10
1,664
11-50
1,261
51-200
396
201-500
80
501-1,000
10
1,001-5,000
6
5,001-10,000
3
10001+
2

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 diesel generator repair services are linked below.
What qualifies
Company records worldwide whose business descriptions match “diesel generator repair services” 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 5,773 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.

Diesel generator repair services by location

13 lists · largest first

Every Diesel generator repair services 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 “diesel generator repair services”; each Exact match badge shows search membership, not an individual similarity or quality score.

How many diesel generator repair services are there worldwide?

RevenueBase identified 3,526 company matches for diesel generator repair services 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?

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

Which country has the most diesel generator repair services?

The United States leads with 643 companies, followed by Brazil (389) and India (312). Every diesel generator repair services list by country and city is linked on this page.

Which city has the most diesel generator repair services?

Bangalore leads with 32 company records, followed by Sao Paulo (30) and Istanbul (27).

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 5,773 professional contacts with verified work emails tracked across these 3,526 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.