Company lists · Data refreshed November 2026

Top 25 Emergency backup generator contractors worldwide

RevenueBase identified 3,280 company matches for emergency backup generator contractors worldwide as of November 2026 and tracks 34,434 professional contacts across them, including 8,857 with verified work emails. The United States is the largest market and Sao Paulo the largest hub.

This list covers company matches for emergency backup generator contractors 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 emergency backup generator contractors 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
3,280Companies
34,434Contacts tracked
8,857Verified emails
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The 25 largest emergency backup generator contractors worldwide

Ranked by team size
Top 25 of 3,280 company matches for emergency backup generator contractors 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 matchGurgaon, IndiaHQ recorded Nov 6, 20261,001-5,0001,077 contacts →

Exact match

“Sudhir Power Limited, established in 1973, is a leader in Diesel Gensets, Transformers, PSS, HT & LT panels, and Equipment rental services.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
3Exact matchPorto Alegre, BrazilHQ recorded Nov 6, 20261,001-5,000996 contacts →

Exact match

“Líder nacional na fabricação e comercialização de grupos geradores, a STEMAC projeta e executa soluções em energia através da maior estrutura de atendimento, com 38 filiais…”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
4Exact 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
5Exact matchCarrollton, TX, United StatesHQ recorded Nov 6, 20261,001-5,000429 contacts →

Exact match

“Concentric is the first national industrial power services organization delivering forklift and critical power as well as maintenance solutions that ensure uninterrupted…”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
6Exact matchLoveland, CO, United StatesHQ recorded Nov 6, 20261,001-5,000351 contacts →

Exact match

“We are a leading energy services provider specializing in the engineering, manufacturing, sales, leasing, and operations of cutting-edge power technology including natural gas and…”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
7Exact 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
8Exact matchSan Javier, SpainHQ recorded Nov 6, 2026501-1,000332 contacts →

Exact match

“HIMOINSA is a global corporation that designs, manufactures and distributes power generation equipment worldwide.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
9Exact matchLiberty, KS, United StatesHQ recorded Nov 6, 2026501-1,000320 contacts →

Exact match

“For over 70 years, Central Power Systems & Services has been the trusted partner for the region’s most demanding industries, from construction and mining to trucking, power…”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
10Exact 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
11Exact 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
12Exact 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
13Exact matchBlacklick, IN, United StatesHQ recorded Nov 6, 202651-200251 contacts →

Exact match

“Buckeye Power Sales is a distributor of electrical power generators for Ohio, Indiana, and the Chicago area.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
14Exact 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
15Exact matchBooysens, South AfricaHQ recorded Nov 6, 2026501-1,000224 contacts →

Exact match

“Since 1993 Diesel Electric Services (PTY) Ltd has specialised in the design, manufacture, delivery, installation, commissioning and maintenance of turnkey power solutions to suit…”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
16Exact 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
17Exact 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
18Exact 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
19Exact 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
20Exact matchBoksburg North, South AfricaHQ recorded Nov 6, 2026201-500200 contacts →

Exact match

“Barloworld Power has been a CAT Dealer for power products since 1927 and represents CAT, Perkins, and MAK brands.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
21Exact matchMumbai, IndiaHQ recorded Nov 6, 2026201-500197 contacts →

Exact match

“Whenever & wherever power supply has to be delivered rapidly & reliably, PERFECT, provides the optimal answer with its vast array of Products.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
22Exact 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
23Exact 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
24Exact 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
25Exact matchAnápolis, BrazilHQ recorded Nov 6, 2026201-500174 contacts →

Exact match

“Há mais de 20 anos de mercado com experiência em fabricação e instalação de Grupos Geradores.”

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

Showing 25 of 3,280 emergency backup generator contractors worldwide

See the full list, filter by size, metro and specialty, and access 8,857 tracked professional contacts with verified work emails. Direct dials are available where recorded.

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Emergency backup generator contractors worldwide at a glance

As of Nov 6, 2026
25.7%Verified-email coverage
10.5Average contacts per company
11-50Median size (employees)
1.2%Largest-city concentration · Sao Paulo
Nov 6, 2026Page data refreshed

Companies by employee count

1-10
1,493
11-50
1,232
51-200
374
201-500
69
501-1,000
22
1,001-5,000
13
5,001-10,000
1
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 emergency backup generator contractors are linked below.
What qualifies
Company records worldwide whose business descriptions match “emergency backup generator contractors” 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 8,857 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.

Emergency backup generator contractors by location

12 lists · largest first

Every Emergency backup generator contractors 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 “emergency backup generator contractors”; each Exact match badge shows search membership, not an individual similarity or quality score.

How many emergency backup generator contractors are there worldwide?

RevenueBase identified 3,280 company matches for emergency backup generator contractors 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 emergency backup generator contractors?

The United States leads with 1,277 companies, followed by Brazil (237) and the United Kingdom (139). Every emergency backup generator contractors list by country and city is linked on this page.

Which city has the most emergency backup generator contractors?

Sao Paulo leads with 40 company records, followed by Houston (33) and Bangalore (18).

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 8,857 professional contacts with verified work emails tracked across these 3,280 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.