Company lists · Data refreshed September 2026

Top 25 Commercial generator maintenance companies based in the United States

Name: Commercial generator maintenance companies based in the United States
Creator: RevenueBase
License: https://creativecommons.org/licenses/by/4.0/

Compiled by the RevenueBase Data Team Data refreshed Sep 19, 2026 670 companies tracked

RevenueBase identified 670 commercial generator maintenance companies headquartered in the United States as of September 2026 and tracks 7,376 professional contacts across them, including 1,923 with verified work emails. Houston is the largest hub.

This list covers commercial generator maintenance companies headquartered in the United States, matched on what each company actually does as described in its own words. Ranked by team size, largest first. Every row shows the company's own description, its RevenueBase Smart Search rating, and when it was last checked. Data refreshed September 19, 2026.

Published by RevenueBase, a B2B data infrastructure company. This list was built with RevenueBase Smart Search, 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 HQ checked on every row RevenueBase Smart Search rating on every row Refreshed Sep 19, 2026 86% judged on-target in blind review

670Companies

7,376Contacts tracked

1,923Verified emails

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The 25 largest commercial generator maintenance companies based in the United States

Ranked by team size

Top 25 of 670 commercial generator maintenance companies based in the United States, ranked by team size, largest first. Data refreshed Sep 19, 2026. RevenueBase Smart Search rates how each company's information relates to commercial generator maintenance companies: strong evidence (its own description names it), partial (names part of it), indirect (matched on the rest of its profile rather than the description shown). Click a contact count to view that company's people.
#	Company	RevenueBase Smart Search	Headquarters	Employees	Contacts
1	Power Plant Services	Partial evidence	Melrose Park, IL, United StatesHQ checked Sep 19, 2026	201-500	1,463 contacts →
	Partial evidence “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.” Source: RevenueBase Database · checked Sep 19, 2026
2	Genserve	Partial evidence	New York, NY, United StatesHQ checked Sep 19, 2026	201-500	198 contacts →
	Partial evidence “GenServe supports critical infrastructure by delivering expert, OEM-agnostic power services across all generator systems and brands.” Source: RevenueBase Database · checked Sep 19, 2026
3	Clifford Power Systems, INC	Partial evidence	Tulsa, OK, United StatesHQ checked Sep 19, 2026	51-200	165 contacts →
	Partial evidence “For 40 years, Clifford Power has assured you have continuous power by providing dependable generator systems, services, rentals and parts.” Source: RevenueBase Database · checked Sep 19, 2026
4	Energy Systems Southeast, LLC	Partial evidence	Birmingham, AL, United StatesHQ checked Sep 19, 2026	201-500	112 contacts →
	Partial evidence “Energy Systems Southeast is a full-service provider of industrial and residential generator sales, installation, service, parts and rentals.” Source: RevenueBase Database · checked Sep 19, 2026
5	BAY City Electric Works	Partial evidence	Poway, CA, United StatesHQ checked Sep 19, 2026	51-200	103 contacts →
	Partial evidence “Bay City Electric Works is an Authorized Distributor of Rehlko (formerly Kohler Energy) emergency generator systems.” Source: RevenueBase Database · checked Sep 19, 2026
6	Prime Power Services, INC	Indirect evidence	Austell, GA, United StatesHQ checked Sep 19, 2026	51-200	92 contacts →
	Indirect evidence “Prime Power Services is your standby and emergency power source, because we understand what that means to you.” Source: RevenueBase Database · checked Sep 19, 2026
7	Canter Power Systems	Partial evidence	Greensboro, NC, United StatesHQ checked Sep 19, 2026	51-200	88 contacts →
	Partial evidence “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.” Source: RevenueBase Database · checked Sep 19, 2026
8	Total Energy Systems, LLC	Indirect evidence	De Pere, WI, United StatesHQ checked Sep 19, 2026	51-200	86 contacts →
	Indirect evidence “At Total Energy Systems, real power starts with the people who’ve got your back.” Source: RevenueBase Database · checked Sep 19, 2026
9	Zabatt Power Systems INC	Partial evidence	Jacksonville, FL, United StatesHQ checked Sep 19, 2026	51-200	80 contacts →
	Partial evidence “Although our headquarters are in Jacksonville, we are proud to offer the highest quality generators and electrical service in the state of Florida.” Source: RevenueBase Database · checked Sep 19, 2026
10	Kiemle-Hankins	Indirect evidence	Perrysburg, OH, United StatesHQ checked Sep 19, 2026	51-200	68 contacts →
	Indirect evidence “Kiemle-Hankins is a leading industrial service and repair company.” Source: RevenueBase Database · checked Sep 19, 2026
11	Worldwide Power Products, LLC	Partial evidence	Houston, TX, United StatesHQ checked Sep 19, 2026	51-200	65 contacts →
	Partial evidence “Based in Houston, TX, Worldwide Power Products is your trusted partner for power generation solutions, serving various industries across the globe.” Source: RevenueBase Database · checked Sep 19, 2026
12	Wolverine Power Systems	Partial evidence	Zeeland, MI, United StatesHQ checked Sep 19, 2026	51-200	65 contacts →
	Partial evidence “Michigan's exclusive, statewide distributor of Generac industrial generators and mobile power products such as generators, light towers and battery energy storage systems.” Source: RevenueBase Database · checked Sep 19, 2026
13	Kelly Generator And Equipment, Inc., And Kelly Generator & Equipment Of PA & Wv, INC	Partial evidence	Owings, MD, United StatesHQ checked Sep 19, 2026	51-200	64 contacts →
	Partial evidence “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…” Source: RevenueBase Database · checked Sep 19, 2026
14	Anderson Power Services	Strong evidence	Douglasville, GA, United StatesHQ checked Sep 19, 2026	51-200	59 contacts →
	Strong evidence “Anderson Power Services is a leading provider of standby power solutions, specializing in the installation, maintenance, and service of residential and commercial generators.” Source: RevenueBase Database · checked Sep 19, 2026
15	Bates Electric INC	Indirect evidence	Imperial, MO, United StatesHQ checked Sep 19, 2026	51-200	58 contacts →
	Indirect evidence “Founded in 1992, Bates Electric, Inc.” Source: RevenueBase Database · checked Sep 19, 2026
16	FM Generator, INC	Strong evidence	Canton, MA, United StatesHQ checked Sep 19, 2026	51-200	57 contacts →
	Strong evidence “FM Generator is a premier provider of preventative maintenance and repair services on generators and transfer switches throughout the Northeast and Mid-Atlantic States.” Source: RevenueBase Database · checked Sep 19, 2026
17	Facility Gateway Critical Services	Indirect evidence	Madison, WI, United StatesHQ checked Sep 19, 2026	51-200	57 contacts →
	Indirect evidence “Imagine: your hospital, data center, retail center, or government organization has a power outage, but you can’t remember the last time you had your mission critical backup power…” Source: RevenueBase Database · checked Sep 19, 2026
18	Peaker Services, INC	Partial evidence	Brighton, MI, United StatesHQ checked Sep 19, 2026	51-200	54 contacts →
	Partial evidence “Peaker Services, Inc.(PSI) was founded in 1971 in a two-car garage in Belleville, Michigan to repair and maintain 2.5 MW EMD diesel generators or “Peakers” as they are known in…” Source: RevenueBase Database · checked Sep 19, 2026
19	Continental Engines	Partial evidence	Greenville, SC, United StatesHQ checked Sep 19, 2026	11-50	54 contacts →
	Partial evidence “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…” Source: RevenueBase Database · checked Sep 19, 2026
20	Genset Services, INC	Indirect evidence	Pompano Beach, FL, United StatesHQ checked Sep 19, 2026	51-200	53 contacts →
	Indirect evidence Source: RevenueBase Database · checked Sep 19, 2026
21	Davis & Green	Indirect evidence	Richmond, VA, United StatesHQ checked Sep 19, 2026	51-200	53 contacts →
	Indirect evidence “Davis & Green has been a proud member of the RVA community for the last 37 years and counting!” Source: RevenueBase Database · checked Sep 19, 2026
22	RACK	Indirect evidence	Boca Raton, FL, United StatesHQ checked Sep 19, 2026	51-200	53 contacts →
	Indirect evidence “RACK is a leading energy solutions provider headquartered in Boca Raton, Florida.” Source: RevenueBase Database · checked Sep 19, 2026
23	Power Systems West	Partial evidence	Portland, OR, United StatesHQ checked Sep 19, 2026	51-200	52 contacts →
	Partial evidence “Power Systems West sells, supports and services back-up power generators.” Source: RevenueBase Database · checked Sep 19, 2026
24	Arcco Power Systems	Indirect evidence	Baton Rouge, LA, United StatesHQ checked Sep 19, 2026	51-200	50 contacts →
	Indirect evidence “Arcco Power Systems (ARCCO) was founded in 1991 and is located in Baton Rouge, Louisiana, the heart of Gulf Coast hurricane country.” Source: RevenueBase Database · checked Sep 19, 2026
25	Zavtek, INC	Partial evidence	West Chester, OH, United StatesHQ checked Sep 19, 2026	51-200	46 contacts →
	Partial evidence “ZAVTEK is one of the nation's largest privately held critical power service organizations providing preventive maintenance, 24/7 emergency service, consulting and uninterruptible…” Source: RevenueBase Database · checked Sep 19, 2026

RevenueBase Smart Search

RevenueBase Smart Search assesses information from a company’s LinkedIn profile, information supplied directly by the company, its website, and other publicly available sources. It uses that information to rate how closely the company relates to this list’s category: commercial generator maintenance companies. Every row carries its rating and the description the rating was read from, so each one can be checked rather than taken on trust.

Strong evidence: The company's own public description of its business names commercial generator maintenance companies.
Partial evidence: Its own public description names part of commercial generator maintenance companies, so it works in or next to the category without describing itself that way.
Indirect evidence: The description shown does not name commercial generator maintenance companies. The match rests on the rest of the company's public profile rather than the one sentence quoted here, so this is the rating to check first.

RevenueBase Smart Search is how these lists are built: RevenueBase's data engine and AI assemble the companies that match a category defined in a user's own words, so a list can be about what companies actually do rather than about whichever industry code they were filed under.

Showing 25 of 670 commercial generator maintenance companies based in the United States

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Commercial generator maintenance companies based in the United States at a glance

As of Sep 19, 2026

26.1%Verified-email coverage

11.0Average contacts per company

1-10Median size (employees)

2.8%Largest-city concentration · Houston

Sep 19, 2026Page data refreshed

Companies by employee count

1-10

335

11-50

228

51-200

201-500

501-1,000

Email recency for this list is measured worldwide rather than for United States, so it is reported there. Company counts and contact totals on this page are exact for United States, over 670 companies.

How this list was built

Company categories are rarely black and white. RevenueBase reads each company's own description of its business to decide whether it belongs among commercial generator maintenance companies, so some rows will be adjacent to the category rather than pure plays. The description and RevenueBase Smart Search rating on every row are there so you can check each match yourself.

Source: The RevenueBase company graph: 60 million companies and 398.9 million professional contacts resolved from primary sources, queried with RevenueBase Smart Search, the natural-language company search available to every RevenueBase user.
What qualifies: Companies headquartered in the United States whose own description of what they do matches “commercial generator maintenance companies”. Matching reads each company's description, not its industry code or its name.
RevenueBase Smart Search: RevenueBase Smart Search is how this list is assembled and how each row is rated. RevenueBase's data engine and AI assess a company's LinkedIn profile, information supplied directly by the company, its website and other publicly available information, then relate it to a category defined in a user's own words. Each row is rated strong evidence (its own description names commercial generator maintenance companies), partial evidence (it names part of the category) or indirect evidence (the description shown names none of it and the match rests on the rest of the company's profile). The description supporting each rating is quoted on the row.
What we exclude: Companies whose own description does not clearly place them among commercial generator maintenance companies, and records with no verified work email. Companies headquartered outside United States are excluded even when they keep an office there.
Match quality: In blind human judging of this matching method, 86% of matched companies were on target. Expect roughly 1 in 7 rows to be adjacent to the category rather than a pure play. Every row shows the company's own description and its RevenueBase Smart Search rating so you can judge each match yourself. Read the full methodology: how the lists are built, how the judging worked, and what the figure means.
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 listed company carries at least one verified work email, 1,923 across the full list. 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 September 19, 2026. Lists refresh periodically as the graph is re-checked.
Corrections: Wrong category, wrong headquarters, or a company that has closed? Use “Report an issue” on any row. Reports go to the RevenueBase Data Team and feed back into the company graph.

Frequently asked

What is RevenueBase Smart Search?

RevenueBase Smart Search is how RevenueBase decides which companies belong on this list and how strongly each one fits. Its data engine and AI assess a company's LinkedIn profile, information supplied directly by the company, its website and other publicly available information, then relate it to the category the list is about. Each row is rated strong evidence when the company's own description names commercial generator maintenance companies, partial evidence when it names part of the category, and indirect evidence when the description shown names none of it and the match rests on the rest of the company's profile.

How many commercial generator maintenance companies are there based in the United States?

RevenueBase identified 670 commercial generator maintenance companies headquartered in the United States as of September 2026, matched on each company's own description of what it does rather than its industry code.

What is the largest company on this list?

Power Plant Services, headquartered in Melrose Park, tops this list with the largest team on record.

Which city has the most commercial generator maintenance companies?

Houston leads with 19 headquartered companies, followed by Miami (8) and Tampa (7).

How do I get contact information for these companies?

A free RevenueBase account lets you run this exact search and work the top results, verified emails and direct dials included. Upgrading unlocks all 1,923 verified decision-maker contacts tracked across these 670 companies.

How current is this list?

The list refreshes periodically as the company graph is re-checked. This page's figures were pulled on September 19, 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 Smart Search, 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.