Company lists · Data refreshed November 2026

Top 25 Emergency power system installers based in the United States

RevenueBase identified 2,451 company matches for emergency power system installers associated with the United States as of November 2026 and tracks 37,805 professional contacts across them, including 13,950 with verified work emails. Houston is the largest hub.

This list covers company matches for emergency power system installers associated with the United States, 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.

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
2,451Companies
37,805Contacts tracked
13,950Verified emails
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The 25 largest emergency power system installers based in the United States

Ranked by team size
Top 25 of 2,451 company matches for emergency power system installers based in the United States, 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 matchLive Oak, TX, United StatesHQ recorded Nov 6, 2026501-1,000632 contacts →

Exact match

“Since 1923, Alterman has provided electrical construction on many of San Antonio and Austin's most impressive landmarks and contemporary structures.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
3Exact matchHouston, CA, United StatesHQ recorded Nov 6, 20261,001-5,000590 contacts →

Exact match

“RESA Power is your ONE-STOP for all of your power needs.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
4Exact matchHouston, OK, United StatesHQ recorded Nov 6, 20261,001-5,000586 contacts →

Exact match

“Saber Power Services, a portfolio company of Greenbelt Capital Partners, is a fully integrated electrical power system services firm providing end-to-end solutions across utility…”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
5Exact matchPortland, OR, United StatesHQ recorded Nov 6, 20261,001-5,000541 contacts →

Exact match

“Our lives function on a power grid.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
6Exact matchFlorham Park, NJ, United StatesHQ recorded Nov 6, 20261,001-5,000480 contacts →

Exact match

“ASCO Power Technologies has provided power reliability solutions for more than 125 years.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
7Exact matchSeattle, OR, United StatesHQ recorded Nov 6, 2026501-1,000454 contacts →

Exact match

“For more than 70 years Cochran has been powering the Pacific Northwest.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
8Exact matchSt. Louis, MO, United StatesHQ recorded Nov 6, 2026501-1,000453 contacts →

Exact match

“A full-service electrical contractor since 1902, providing capability, performance, and legendary innovation in new construction, design-build, low-voltage systems, energy…”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
9Exact 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
10Exact matchSanford, FL, United StatesHQ recorded Nov 6, 20261,001-5,000415 contacts →

Exact match

“Strada Services is a full service electrical, security, and air conditioning contracting company servicing residential, commercial, and industrial customers in Florida and in the…”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
11Exact matchTempe, AZ, United StatesHQ recorded Nov 6, 20261,001-5,000401 contacts →

Exact match

“DP Electric (DPE) has a long history as a dedicated trade partner.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
12Exact matchLittle Falls, MD, United StatesHQ recorded Nov 6, 20261,001-5,000348 contacts →

Exact match

“RMS Energy leads the industry by energizing the future through reliable power solutions, offering comprehensive installation and maintenance services on 480V to 765kV electrical…”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
13Exact 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
14Exact 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
15Exact 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
16Exact matchTempe, ID, United StatesHQ recorded Nov 6, 2026501-1,000305 contacts →

Exact match

“We are more than an Electrical Contractor…We’re Your Partner As employee-owners we build your project as if it were our own.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
17Exact matchDenver, NV, United StatesHQ recorded Nov 6, 2026501-1,000287 contacts →

Exact match

“Intermountain Electric (IME) is a full-service electrical contractor known for craftsmanship, ingenuity, and trusted delivery.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
18Exact matchGreensboro, NC, United StatesHQ recorded Nov 6, 2026501-1,000279 contacts →

Exact match

“Established in 1928, Starr Electric Company, Inc.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
19Exact 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
20Exact matchMckinney, AZ, United StatesHQ recorded Nov 6, 2026201-500264 contacts →

Exact match

“At Maverick Power, we are revolutionizing power solutions for businesses with a strong commitment to innovation, efficiency, and reliability.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
21Exact matchNorth Billerica, ME, United StatesHQ recorded Nov 6, 2026501-1,000258 contacts →

Exact match

“Interstate Electrical Services Corporation is the largest privately held electrical services company in greater New England, employing over 750 skilled professionals across eight…”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
22Exact matchDetroit, MI, United StatesHQ recorded Nov 6, 2026501-1,000252 contacts →

Exact match

“Detroit-headquartered Motor City Electric Co.(MCE) is one of the largest contractors in the nation, and has built an organization centered around service, capability, safety, and…”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
23Exact matchChicago, IL, United StatesHQ recorded Nov 6, 2026201-500250 contacts →

Exact match

“Tripp Lite joined the Eaton family in March 2021.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
24Exact matchVentura, CA, United StatesHQ recorded Nov 6, 2026501-1,000242 contacts →

Exact match

“Taft Electric Company has been a proud member of NECA and the IBEW, serving the construction industry for over 75 years.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
25Exact matchSacramento, CA, United StatesHQ recorded Nov 6, 2026501-1,000228 contacts →

Exact match

“Rex Moore Group, Inc.”

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

Showing 25 of 2,451 emergency power system installers based in the United States

See the full list, filter by size, metro and specialty, and access 13,950 tracked professional contacts with verified work emails. Direct dials are available where recorded.

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Emergency power system installers based in the United States at a glance

As of Nov 6, 2026
36.9%Verified-email coverage
15.4Average contacts per company
11-50Median size (employees)
2.3%Largest-city concentration · Houston
Nov 6, 2026Page data refreshed

Companies by employee count

1-10
1,100
11-50
906
51-200
300
201-500
65
501-1,000
29
1,001-5,000
14
10001+
1

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 2,451 companies.

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.
What qualifies
Company records associated with the United States whose business descriptions match “emergency power system installers” 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. Where headquarters information is recorded, preview rows are also filtered to this page’s location. 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 13,950 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.

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 power system installers”; each Exact match badge shows search membership, not an individual similarity or quality score.

How many emergency power system installers are there based in the United States?

RevenueBase identified 2,451 company matches for emergency power system installers associated with the United States 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 city has the most emergency power system installers?

Houston leads with 56 company records, followed by Miami (27) and Dallas (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 13,950 professional contacts with verified work emails tracked across these 2,451 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.