Company lists · Data refreshed October 2026

Top 25 Electrical grid maintenance contractors based in the United States

RevenueBase identified 4,076 company matches for electrical grid maintenance contractors associated with the United States as of October 2026 and tracks 91,837 professional contacts across them, including 33,049 with verified work emails. Houston is the largest hub.

This list covers company matches for electrical grid maintenance contractors 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 October 12, 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 Oct 12, 2026 How this list was built
4,076Companies
91,837Contacts tracked
33,049Verified emails
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The 25 largest electrical grid maintenance contractors based in the United States

Ranked by team size
Top 25 of 4,076 company matches for electrical grid maintenance contractors based in the United States, ordered by professional contacts tracked in RevenueBase, largest first. Recorded Oct 12, 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 matchShelton, CT, United StatesHQ recorded Oct 12, 202610001+4,366 contacts →

Exact match

“Hubbell Incorporated is a leading manufacturer of utility and electrical solutions that help build more reliable, resilient, and renewable energy infrastructure.”

Recorded in the RevenueBase company graph · Oct 12, 2026 · View company records in RevenueBase
2Exact matchDallas, TX, United StatesHQ recorded Oct 12, 202610001+4,166 contacts →

Exact match

“Primoris Services Corporation (NYSE: PRIM) is a leading provider of critical infrastructure services to the utility, energy, and renewables markets throughout the United States…”

Recorded in the RevenueBase company graph · Oct 12, 2026 · View company records in RevenueBase
3Exact matchPaso Robles, CA, United StatesHQ recorded Oct 12, 20261,001-5,0002,700 contacts →

Exact match

“PEARCE from CBRE is the largest national independent provider of outsourced repair, maintenance, and engineering services to critical infrastructure in the renewable energy, power…”

Recorded in the RevenueBase company graph · Oct 12, 2026 · View company records in RevenueBase
4Exact matchHouston, TX, United StatesHQ recorded Oct 12, 20261,001-5,0002,646 contacts →

Exact match

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

Recorded in the RevenueBase company graph · Oct 12, 2026 · View company records in RevenueBase
5Exact matchIssaquah, WA, United StatesHQ recorded Oct 12, 20261,001-5,0001,999 contacts →

Exact match

“NAES is the power generation industry’s largest independent services provider, with more than 40 years of experience managing risk and turning it into profits.”

Recorded in the RevenueBase company graph · Oct 12, 2026 · View company records in RevenueBase
6Exact matchIrving, TX, United StatesHQ recorded Oct 12, 20261,001-5,0001,263 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 · Oct 12, 2026 · View company records in RevenueBase
7Exact matchEnglewood, CO, United StatesHQ recorded Oct 12, 20261,001-5,0001,155 contacts →

Exact match

“Mears is an industry-leading energy infrastructure solutions provider offering engineering, construction and maintenance services to the oil and natural gas, electric transmission…”

Recorded in the RevenueBase company graph · Oct 12, 2026 · View company records in RevenueBase
8Exact matchHouston, TX, United StatesHQ recorded Oct 12, 20261,001-5,0001,060 contacts →

Exact match

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

Recorded in the RevenueBase company graph · Oct 12, 2026 · View company records in RevenueBase
9Exact matchWarrendale, PA, United StatesHQ recorded Oct 12, 20261,001-5,0001,014 contacts →

Exact match

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

Recorded in the RevenueBase company graph · Oct 12, 2026 · View company records in RevenueBase
10Exact matchBillings, MT, United StatesHQ recorded Oct 12, 20261,001-5,000904 contacts →

Exact match

“Electrical Consultants, Inc.(ECI) is an employee-owned, national provider of high voltage transmission, substation, and distribution solutions.”

Recorded in the RevenueBase company graph · Oct 12, 2026 · View company records in RevenueBase
11Exact matchEvansville, IN, United StatesHQ recorded Oct 12, 2026501-1,000828 contacts →

Exact match

“FLANDERS, Leverage our legacy.”

Recorded in the RevenueBase company graph · Oct 12, 2026 · View company records in RevenueBase
12Exact matchDeer Park, TX, United StatesHQ recorded Oct 12, 20265,001-10,000711 contacts →

Exact match

“HPC Industrial, a Clean Harbors business, is the leading provider of specialty maintenance services and technology solutions to the critical energy infrastructure in the United…”

Recorded in the RevenueBase company graph · Oct 12, 2026 · View company records in RevenueBase
13Exact matchEscondido, CA, United StatesHQ recorded Oct 12, 2026501-1,000704 contacts →

Exact match

“Baker Electric is a full-service electrical contractor and energy infrastructure expert headquartered in Escondido, California.”

Recorded in the RevenueBase company graph · Oct 12, 2026 · View company records in RevenueBase
14Exact matchWest Palm Beach, FL, United StatesHQ recorded Oct 12, 202610001+687 contacts →

Exact match

“Dycom (NYSE: DY) is on a mission to connect America.”

Recorded in the RevenueBase company graph · Oct 12, 2026 · View company records in RevenueBase
15Exact matchNorth America, TX, United StatesHQ recorded Oct 12, 20261,001-5,000685 contacts →

Exact match

“Mass.”

Recorded in the RevenueBase company graph · Oct 12, 2026 · View company records in RevenueBase
16Exact matchIron Mountain, MI, United StatesHQ recorded Oct 12, 20261,001-5,000666 contacts →

Exact match

“M.”

Recorded in the RevenueBase company graph · Oct 12, 2026 · View company records in RevenueBase
17Exact matchKansas City, MO, United StatesHQ recorded Oct 12, 20261,001-5,000630 contacts →

Exact match

“PAR, a Quanta Services company, offers a full range of construction services for substations, overhead and underground distribution and transmission lines, engineering, design…”

Recorded in the RevenueBase company graph · Oct 12, 2026 · View company records in RevenueBase
18Exact matchChicago, IL, United StatesHQ recorded Oct 12, 20261,001-5,000628 contacts →

Exact match

“Meade leads the field in design, construction and maintenance of electric, natural gas, and telecommunications delivery systems, both above and below ground and has done so for…”

Recorded in the RevenueBase company graph · Oct 12, 2026 · View company records in RevenueBase
19Exact matchLive Oak, TX, United StatesHQ recorded Oct 12, 2026501-1,000615 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 · Oct 12, 2026 · View company records in RevenueBase
20Exact matchHouston, TX, United StatesHQ recorded Oct 12, 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 · Oct 12, 2026 · View company records in RevenueBase
21Exact matchHouston, TX, United StatesHQ recorded Oct 12, 20261,001-5,000570 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 · Oct 12, 2026 · View company records in RevenueBase
22Exact matchEagan, MN, United StatesHQ recorded Oct 12, 20261,001-5,000565 contacts →

Exact match

“Hunt Electric is a national electrical design, build, and maintenance firm based in Eagan, MN.”

Recorded in the RevenueBase company graph · Oct 12, 2026 · View company records in RevenueBase
23Exact matchFairport, NY, United StatesHQ recorded Oct 12, 2026501-1,000531 contacts →

Exact match

“Qualitrol is a global leader in electrical grid monitoring solutions for businesses that manage, operate, or support the power grid.”

Recorded in the RevenueBase company graph · Oct 12, 2026 · View company records in RevenueBase
24Exact matchPortland, OR, United StatesHQ recorded Oct 12, 20261,001-5,000530 contacts →

Exact match

“Our lives function on a power grid.”

Recorded in the RevenueBase company graph · Oct 12, 2026 · View company records in RevenueBase
25Exact matchUnion, IL, United StatesHQ recorded Oct 12, 20261,001-5,000510 contacts →

Exact match

“For more than 35 years, INTREN has been making powerful connections as an innovative utility solutions partner, dedicated to building and maintaining the infrastructure of the…”

Recorded in the RevenueBase company graph · Oct 12, 2026 · View company records in RevenueBase

Showing 25 of 4,076 electrical grid maintenance contractors based in the United States

See the full list, filter by size, metro and specialty, and access 33,049 tracked professional contacts with verified work emails. Direct dials are available where recorded.

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Electrical grid maintenance contractors based in the United States at a glance

As of Oct 12, 2026
36.0%Verified-email coverage
22.5Average contacts per company
11-50Median size (employees)
2.2%Largest-city concentration · Houston
Oct 12, 2026Page data refreshed

Companies by employee count

1-10
1,748
11-50
1,452
51-200
558
201-500
152
501-1,000
66
1,001-5,000
59
5,001-10,000
6
10001+
7

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 4,076 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 “electrical grid maintenance 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. 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 33,049 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 October 12, 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 “electrical grid maintenance contractors”; each Exact match badge shows search membership, not an individual similarity or quality score.

How many electrical grid maintenance contractors are there based in the United States?

RevenueBase identified 4,076 company matches for electrical grid maintenance contractors associated with the United States as of October 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?

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

Which city has the most electrical grid maintenance contractors?

Houston leads with 90 company records, followed by New York (41) and Miami (29).

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 33,049 professional contacts with verified work emails tracked across these 4,076 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 October 12, 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.