Company lists · Data refreshed November 2026

Top 25 Portable generator maintenance companies worldwide

RevenueBase identified 1,053 company matches for portable generator maintenance companies worldwide as of November 2026 and tracks 6,691 professional contacts across them, including 1,842 with verified work emails. The United States is the largest market and Sao Paulo the largest hub.

This list covers company matches for portable generator 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 portable generator 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
1,053Companies
6,691Contacts tracked
1,842Verified emails
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The 25 largest portable generator maintenance companies worldwide

Ranked by team size
Top 25 of 1,053 company matches for portable generator 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 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
2Exact 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
3Exact 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
4Exact 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
5Exact 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
6Exact matchMugron, FranceHQ recorded Nov 6, 202651-20087 contacts →

Exact match

“Depuis plus de 45 ans, Kiloutou Energie (ex Compagnie Atlantique de Location) est un acteur majeur de la location de groupes électrogènes et de pompes.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
7Exact 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
8Exact 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
9Exact matchGreen Bay, MN, United StatesHQ recorded Nov 6, 202651-20083 contacts →

Exact match

“We Service Any Make or Model • 24/7/365 Service Available • We're Local-Fast Response Locations Across the Midwest • Emergency and Long-Term Rentals • Planned Maintenance with…”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
10Exact 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
11Exact matchOttawa, ON, CanadaHQ recorded Nov 6, 202651-20076 contacts →

Exact match

“Votre premier choix pour un groupe électrogène.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
12Exact matchOwings, MD, United StatesHQ recorded Nov 6, 202651-20076 contacts →

Exact match

“Kelly Generator & Equipment, Inc.(KGE), established in 1992, and Kelly Generator & Equipment of PA & WV, Inc.(KGE of PA & WV), founded in 2012, serve as the Mid-Atlantic…”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
13Exact matchJohannesburg, South AfricaHQ recorded Nov 6, 2026201-50072 contacts →

Exact match

“Specialists in the hire, sales, service and maintenance of mobile robust generator sets for emergency and standby use.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
14Exact matchÉperlecques, FranceHQ recorded Nov 6, 202651-20069 contacts →

Exact match

“Since its inception in 1992, Nord Motors established and developped strong capabilities in the mechanical maintenance area.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
15Exact matchPompano Beach, FL, United StatesHQ recorded Nov 6, 202651-20060 contacts →

Exact match

Recorded description not available.

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
16Exact matchZeeland, MI, United StatesHQ recorded Nov 6, 202651-20060 contacts →

Exact match

“Michigan's exclusive, statewide distributor of Generac industrial generators and mobile power products such as generators, light towers and battery energy storage systems.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
17Exact matchCanton, MA, United StatesHQ recorded Nov 6, 202651-20059 contacts →

Exact match

“FM Generator is a premier provider of preventative maintenance and repair services on generators and transfer switches throughout the Northeast and Mid-Atlantic States.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
18Exact matchPortland, CO, United StatesHQ recorded Nov 6, 202651-20059 contacts →

Exact match

“Power Systems West sells, supports and services back-up power generators.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
19Exact matchBaton Rouge, LA, United StatesHQ recorded Nov 6, 202651-20055 contacts →

Exact match

“Arcco Power Systems (ARCCO) was founded in 1991 and is located in Baton Rouge, Louisiana, the heart of Gulf Coast hurricane country.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
20Exact matchTampa, FL, United StatesHQ recorded Nov 6, 2026201-50052 contacts →

Exact match

“Established in 2005, GenerX Generators is a values-driven, performance-oriented electrical installation contractor serving the Tampa Bay community.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
21Exact matchGreenville, SC, United StatesHQ recorded Nov 6, 202611-5051 contacts →

Exact match

“Continental Engines is the leading retailer, distributor, sales and service provider of industrial engines, generators, transfer switches, parts and manuals from the top brands in…”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
22Exact matchBluffdale, UT, United StatesHQ recorded Nov 6, 202611-5047 contacts →

Exact match

“Sidewinders LLC is a premier generator maintenance and repair company providing reliable and efficient service to our customers.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
23Exact matchLong Beach, CA, United StatesHQ recorded Nov 6, 202651-20038 contacts →

Exact match

“Duthie Power Services is the leading generator service company in the Southern California region.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
24Exact matchWestport, MA, United StatesHQ recorded Nov 6, 202651-20034 contacts →

Exact match

“RALCO Electric, Inc is a full-service electrical company with the experience and inventory to meet all electric needs.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
25Exact matchStratford, ON, CanadaHQ recorded Nov 6, 202651-20033 contacts →

Exact match

“Established in 1936, Sommers is the leading Canadian manufacturer & distributor of premium quality generator systems for prime power, standby power and mobile applications.”

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

Showing 25 of 1,053 portable generator maintenance companies worldwide

See the full list, filter by size, metro and specialty, and access 1,842 tracked professional contacts with verified work emails. Direct dials are available where recorded.

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Portable generator maintenance companies worldwide at a glance

As of Nov 6, 2026
27.5%Verified-email coverage
6.4Average contacts per company
1-10Median size (employees)
1.2%Largest-city concentration · Sao Paulo
Nov 6, 2026Page data refreshed

Companies by employee count

1-10
569
11-50
339
51-200
98
201-500
12
501-1,000
2
1,001-5,000
1
5,001-10,000
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 portable generator maintenance companies are linked below.
What qualifies
Company records worldwide whose business descriptions match “portable generator 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 1,842 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.

Portable generator maintenance companies by location

4 lists · largest first

Every Portable generator 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 “portable generator maintenance companies”; each Exact match badge shows search membership, not an individual similarity or quality score.

How many portable generator maintenance companies are there worldwide?

RevenueBase identified 1,053 company matches for portable generator 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?

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

Which country has the most portable generator maintenance companies?

The United States leads with 382 companies, followed by Brazil (108) and Canada (50). Every portable generator maintenance companies list by country and city is linked on this page.

Which city has the most portable generator maintenance companies?

Sao Paulo leads with 13 company records, followed by Houston (11) and Sao Bernardo Do Campo (7).

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 1,842 professional contacts with verified work emails tracked across these 1,053 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.