Company lists · Data refreshed November 2026

Top 25 Backup power system maintenance companies worldwide

RevenueBase identified 1,752 company matches for backup power system maintenance companies worldwide as of November 2026 and tracks 17,756 professional contacts across them, including 5,477 with verified work emails. The United States is the largest market and Sao Paulo the largest hub.

This list covers company matches for backup power system 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 backup power system 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
1,752Companies
17,756Contacts tracked
5,477Verified emails
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The 25 largest backup power system maintenance companies worldwide

Ranked by team size
Top 25 of 1,752 company matches for backup power system 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 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 matchAnaheim, CA, United StatesHQ recorded Nov 6, 2026201-500346 contacts →

Exact match

“For more than 35 years, Power Plus has been serving our customers across the Country providing Temporary Power, Rental Generators, and performing Generator Service & Maintenance.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
4Exact matchBangladeshHQ recorded Nov 6, 2026501-1,000308 contacts →

Exact match

“Eenergypac Power Generation Ltd, began life in 1995 from the group headquarter office.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
5Exact matchMinneapolis, MN, United StatesHQ recorded Nov 6, 2026201-500278 contacts →

Exact match

“DC Group delivers one-stop maintenance and emergency service solutions for every make and model of uninterruptible power supply (UPS) equipment built since the 1980s including…”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
6Exact 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
7Exact matchScarborough, United KingdomHQ recorded Nov 6, 2026201-500231 contacts →

Exact match

“Founded in 1935 Dale Power Solutions Ltd have been providing reliable; secure power solutions for mission critical services & systems throughout the world.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
8Exact matchTomball, TX, United StatesHQ recorded Nov 6, 2026501-1,000219 contacts →

Exact match

“Generator Supercenter is a company based out of United States.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
9Exact matchNew York, NY, United StatesHQ recorded Nov 6, 2026201-500212 contacts →

Exact match

“GenServe helps businesses keep their power systems ready when it matters most.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
10Exact matchSão Bernardo Do Campo, BrazilHQ recorded Nov 6, 202651-200210 contacts →

Exact match

“A ENERG Geradores atua desde 2003 oferecendo soluções completas em segurança energética para operações onde falhar não é uma opção.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
11Exact matchMississauga, ON, CanadaHQ recorded Nov 6, 202651-200192 contacts →

Exact match

“Critical Power.it’s all we do Delivering safe, reliable generator solutions and offering long-term protection for your complete power generation system is what Total Power excels…”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
12Exact matchTulsa, AR, United StatesHQ recorded Nov 6, 202651-200180 contacts →

Exact match

“For 40 years, Clifford Power has assured you have continuous power by providing dependable generator systems, services, rentals and parts.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
13Exact matchUnited StatesHQ recorded Nov 6, 2026n/a175 contacts →

Exact match

Recorded description not available.

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
14Exact matchWandre, BelgiumHQ recorded Nov 6, 202651-200136 contacts →

Exact match

“CE+T Power designs, manufactures and markets a range of products for industrial operators with mission critical applications, who are not satisfied with existing AC backup systems…”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
15Exact matchRio De Janeiro, BrazilHQ recorded Nov 6, 202651-200136 contacts →

Exact match

“A SBLOK fornece soluções temporárias de geração de energia com a rapidez que o seu negócio precisa.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
16Exact matchBirmingham, GA, United StatesHQ recorded Nov 6, 2026201-500119 contacts →

Exact match

“Energy Systems Southeast is a full-service provider of industrial and residential generator sales, installation, service, parts and rentals.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
17Exact matchPoway, CA, United StatesHQ recorded Nov 6, 202651-200104 contacts →

Exact match

“Bay City Electric Works is an Authorized Distributor of Rehlko (formerly Kohler Energy) emergency generator systems.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
18Exact matchSherburn In Elmet, United KingdomHQ recorded Nov 6, 202651-20097 contacts →

Exact match

“YorPower are multi award winning company with their head office based in the UK.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
19Exact matchBethel, CT, United StatesHQ recorded Nov 6, 202651-20096 contacts →

Exact match

“Quality Uptime Services is one of the nation’s leading independent critical power service organizations.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
20Exact matchGreensboro, NC, United StatesHQ recorded Nov 6, 202651-20090 contacts →

Exact match

“Canter Power Systems is a Generac Power Premier Pro dealer and one of the largest independent installers of home standby generators in the U.S.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
21Exact matchAndover, United KingdomHQ recorded Nov 6, 202651-20089 contacts →

Exact match

“The UK's leading Technical Experts in Standby Power, Uninterruptible Power Supplies and Combined Heat & Power Systems.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
22Exact matchHalethorpe, MD, United StatesHQ recorded Nov 6, 202651-20089 contacts →

Exact match

“Curtis Power Solutions is a versatile, highly specialized provider of world-class power generation equipment sales, service, parts and rentals for commercial, institutional and…”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
23Exact matchDe Pere, MI, United StatesHQ recorded Nov 6, 202651-20084 contacts →

Exact match

“At Total Energy Systems, real power starts with the people who’ve got your back.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
24Exact matchMedellín, ColombiaHQ recorded Nov 6, 202651-20084 contacts →

Exact match

“Alquiler de plantas eléctricas y accesorios: Nos adaptamos a tu necesidad de energía, puedes elegir la potencia del equipo que requieres y el tiempo de operación.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
25Exact matchJacksonville, FL, United StatesHQ recorded Nov 6, 202651-20079 contacts →

Exact match

“Although our headquarters are in Jacksonville, we are proud to offer the highest quality generators and electrical service in the state of Florida.”

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

Showing 25 of 1,752 backup power system maintenance companies worldwide

See the full list, filter by size, metro and specialty, and access 5,477 tracked professional contacts with verified work emails. Direct dials are available where recorded.

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Backup power system maintenance companies worldwide at a glance

As of Nov 6, 2026
30.8%Verified-email coverage
10.1Average contacts per company
11-50Median size (employees)
1.7%Largest-city concentration · Sao Paulo
Nov 6, 2026Page data refreshed

Companies by employee count

1-10
809
11-50
684
51-200
188
201-500
30
501-1,000
7
1,001-5,000
3
10001+
1

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 backup power system maintenance companies are linked below.
What qualifies
Company records worldwide whose business descriptions match “backup power system 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 5,477 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.

Backup power system maintenance companies by location

6 lists · largest first

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

How many backup power system maintenance companies are there worldwide?

RevenueBase identified 1,752 company matches for backup power system 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?

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

Which country has the most backup power system maintenance companies?

The United States leads with 567 companies, followed by Brazil (166) and the United Kingdom (89). Every backup power system maintenance companies list by country and city is linked on this page.

Which city has the most backup power system maintenance companies?

Sao Paulo leads with 30 company records, followed by Houston (18) and Sao Bernardo Do Campo (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 5,477 professional contacts with verified work emails tracked across these 1,752 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.