Company lists · Data refreshed September 2026

Top 25 Power distribution installation companies based in the United States

RevenueBase identified 7,030 power distribution installation companies headquartered in the United States as of September 2026 and tracks 144,054 professional contacts across them, including 48,306 with verified work emails. Houston is the largest hub.

This list covers power distribution installation 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 17, 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 17, 2026 86% judged on-target in blind review
7,030Companies
144,054Contacts tracked
48,306Verified emails
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The 25 largest power distribution installation companies based in the United States

Ranked by team size
Top 25 of 7,030 power distribution installation companies based in the United States, ranked by team size, largest first. Data refreshed Sep 17, 2026. RevenueBase Smart Search rates how each company's information relates to power distribution installation 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.
#CompanyRevenueBase Smart SearchHeadquartersEmployeesContacts
1Indirect evidenceHouston, TX, United StatesHQ checked Sep 17, 20265,001-10,0002,567 contacts →

Indirect evidence

“IES Holdings, Inc.(formerly known as Integrated Electrical Services, Inc.) provides electrical contracting services to commercial, industrial, and residential customers in the…”

Source: RevenueBase Database · checked Sep 17, 2026
2Strong evidenceHouston, TX, United StatesHQ checked Sep 17, 20261,001-5,0002,561 contacts →

Strong evidence

“Powell is hiring- Powell is dedicated to improving people’s lives by providing reliable power distribution systems in every market we serve.”

Source: RevenueBase Database · checked Sep 17, 2026
3Partial evidenceDallas, TX, United StatesHQ checked Sep 17, 202610001+2,023 contacts →

Partial evidence

“Together, we’re delivering the power of a global brand Millions of US electrical customers trust the expertise, resources and relationships of Rexel Holdings USA.”

Source: RevenueBase Database · checked Sep 17, 2026
4Indirect evidenceHouston, TX, United StatesHQ checked Sep 17, 202610001+1,783 contacts →

Indirect evidence

“Quanta Services (NYSE: PWR) is the leading specialty contractor with the largest and highly trained skilled workforce in North America, providing fully integrated solutions for…”

Source: RevenueBase Database · checked Sep 17, 2026
5Indirect evidenceSan Diego, CA, United StatesHQ checked Sep 17, 20261,001-5,0001,560 contacts →

Indirect evidence

“Helix Electric is an award-winning electrical contractor specializing in design-build and highly complex electrical projects throughout the United States.”

Source: RevenueBase Database · checked Sep 17, 2026
6Indirect evidenceJacksonville, FL, United StatesHQ checked Sep 17, 20261,001-5,0001,388 contacts →

Indirect evidence

“What started as an electrical lamp and appliance store in 1928 has grown into one of the largest companies in the industry with over employees.”

Source: RevenueBase Database · checked Sep 17, 2026
7Indirect evidenceAustin, TX, United StatesHQ checked Sep 17, 20261,001-5,0001,276 contacts →

Indirect evidence

“Big jobs, complex systems, tight timelines.”

Source: RevenueBase Database · checked Sep 17, 2026
8Indirect evidenceShelton, CT, United StatesHQ checked Sep 17, 20261,001-5,0001,266 contacts →

Indirect evidence

“Gexpro is part of the Rexel family of business which together form one of the world’s largest electrical distributors.”

Source: RevenueBase Database · checked Sep 17, 2026
9Indirect evidenceCarlsbad, CA, United StatesHQ checked Sep 17, 20261,001-5,0001,182 contacts →

Indirect evidence

“Since their inception in 1946, Bergelectric has made its mark on the construction industry by providing the highest quality electrical and technology contracting.”

Source: RevenueBase Database · checked Sep 17, 2026
10Indirect evidenceThornton, CO, United StatesHQ checked Sep 17, 20265,001-10,0001,092 contacts →

Indirect evidence

“With roots dating to 1891 and 8,500+ employees, MYR Group Inc.”

Source: RevenueBase Database · checked Sep 17, 2026
11Strong evidenceFremont, CA, United StatesHQ checked Sep 17, 20261,001-5,000969 contacts →

Strong evidence

“Industrial Electric Mfg.(IEM) is the largest independent full-line manufacturer of electrical distribution equipment and integrated power systems in the U.S.”

Source: RevenueBase Database · checked Sep 17, 2026
12Partial evidenceWarrendale, PA, United StatesHQ checked Sep 17, 20261,001-5,000967 contacts →

Partial evidence

“Mitsubishi Electric Power Products, Inc.(MEPPI) is a leading U.S.”

Source: RevenueBase Database · checked Sep 17, 2026
13Partial evidenceHouston, TX, United StatesHQ checked Sep 17, 20261,001-5,000940 contacts →

Partial evidence

“Dashiell is a leading national provider of technical services to the electric utility, power generation, industrial, renewable and energy industries.”

Source: RevenueBase Database · checked Sep 17, 2026
14Indirect evidenceHouston, TX, United StatesHQ checked Sep 17, 20261,001-5,000889 contacts →

Indirect evidence

“Crawford Electric is more than a distributor.”

Source: RevenueBase Database · checked Sep 17, 2026
15Indirect evidenceHenderson, CO, United StatesHQ checked Sep 17, 20261,001-5,000806 contacts →

Indirect evidence

Source: RevenueBase Database · checked Sep 17, 2026
16Indirect evidenceEvansville, IN, United StatesHQ checked Sep 17, 2026501-1,000789 contacts →

Indirect evidence

“FLANDERS, Leverage our legacy.”

Source: RevenueBase Database · checked Sep 17, 2026
17Indirect evidenceLong Beach, CA, United StatesHQ checked Sep 17, 2026n/a782 contacts →

Indirect evidence

“WELCOME TO OUR WEBSITE!”

Source: RevenueBase Database · checked Sep 17, 2026
18Partial evidenceSt. Louis, MO, United StatesHQ checked Sep 17, 20261,001-5,000744 contacts →

Partial evidence

“ArchKey, one of the largest privately held specialty trade installation and facilities services companies in the United States, is a leader in designing, building, and maintaining…”

Source: RevenueBase Database · checked Sep 17, 2026
19Indirect evidenceFullerton, CA, United StatesHQ checked Sep 17, 2026501-1,000734 contacts →

Indirect evidence

“SASCO has been a leader in electrical construction and low-voltage systems technologies for 50 years.”

Source: RevenueBase Database · checked Sep 17, 2026
20Indirect evidenceGarland, TX, United StatesHQ checked Sep 17, 20261,001-5,000687 contacts →

Indirect evidence

“Our story began in 1994 with a simple vision: Build a company that does things right.”

Source: RevenueBase Database · checked Sep 17, 2026
21Indirect evidenceBellevue, WA, United StatesHQ checked Sep 17, 20261,001-5,000670 contacts →

Indirect evidence

“For over a quarter century, Prime has been successfully engineering, constructing building, and facilities solutions for our clientele.”

Source: RevenueBase Database · checked Sep 17, 2026
22Indirect evidenceNorth America, TX, United StatesHQ checked Sep 17, 20261,001-5,000655 contacts →

Indirect evidence

“Mass.”

Source: RevenueBase Database · checked Sep 17, 2026
23Partial evidenceMaryland Heights, MO, United StatesHQ checked Sep 17, 2026501-1,000653 contacts →

Partial evidence

“Electric Power Systems is an independent electrical testing & engineering organization.”

Source: RevenueBase Database · checked Sep 17, 2026
24Indirect evidenceLogan, UT, United StatesHQ checked Sep 17, 20261,001-5,000627 contacts →

Indirect evidence

“As one of the nation’s premier electrical contractors, we don’t just provide high-quality services.”

Source: RevenueBase Database · checked Sep 17, 2026
25Indirect evidenceIron Mountain, MI, United StatesHQ checked Sep 17, 20261,001-5,000621 contacts →

Indirect evidence

“M.”

Source: RevenueBase Database · checked Sep 17, 2026

Showing 25 of 7,030 power distribution installation companies based in the United States

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Power distribution installation companies based in the United States at a glance

As of Sep 17, 2026
33.5%Verified-email coverage
20.5Average contacts per company
11-50Median size (employees)
2.1%Largest-city concentration · Houston
Sep 17, 2026Page data refreshed

Companies by employee count

1-10
3,001
11-50
2,463
51-200
1,035
201-500
263
501-1,000
113
1,001-5,000
85
5,001-10,000
4
10001+
9

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 7,030 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 power distribution installation 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 “power distribution installation 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 power distribution installation 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 power distribution installation 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, 48,306 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 17, 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 power distribution installation 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 power distribution installation companies are there based in the United States?

RevenueBase identified 7,030 power distribution installation 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?

IES Holdings, headquartered in Houston, tops this list with the largest team on record.

Which city has the most power distribution installation companies?

Houston leads with 149 headquartered companies, followed by New York (71) and Los Angeles (43).

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 48,306 verified decision-maker contacts tracked across these 7,030 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 17, 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.