Company lists · Data refreshed September 2026

Top 25 Electrical grid inspection companies based in the United States

RevenueBase identified 1,180 electrical grid inspection companies headquartered in the United States as of September 2026 and tracks 12,529 professional contacts across them, including 3,587 with verified work emails. Houston is the largest hub.

This list covers electrical grid inspection 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
1,180Companies
12,529Contacts tracked
3,587Verified emails
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The 25 largest electrical grid inspection companies based in the United States

Ranked by team size
Top 25 of 1,180 electrical grid inspection 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 electrical grid inspection 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 evidenceThornton, CO, United StatesHQ checked Sep 19, 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 19, 2026
2Partial evidenceMaryland Heights, MO, United StatesHQ checked Sep 19, 2026501-1,000653 contacts →

Partial evidence

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

Source: RevenueBase Database · checked Sep 19, 2026
3Strong evidenceFairport, NY, United StatesHQ checked Sep 19, 2026501-1,000494 contacts →

Strong evidence

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

Source: RevenueBase Database · checked Sep 19, 2026
4Partial evidenceRoanoke, VA, United StatesHQ checked Sep 19, 20261,001-5,000342 contacts →

Partial evidence

“New River Electrical Corporation (NRE) is one of the nation's leading employee-owned providers of electrical infrastructure construction and maintenance services, helping…”

Source: RevenueBase Database · checked Sep 19, 2026
5Indirect evidenceCastle Rock, United StatesHQ checked Sep 19, 20261,001-5,000286 contacts →

Indirect evidence

Source: RevenueBase Database · checked Sep 19, 2026
6Indirect evidenceAustin, TX, United StatesHQ checked Sep 19, 2026201-500248 contacts →

Indirect evidence

“Base is building the future of American power.”

Source: RevenueBase Database · checked Sep 19, 2026
7Partial evidenceWesterville, OH, United StatesHQ checked Sep 19, 2026201-500228 contacts →

Partial evidence

“In business since 1971, Electrical Reliability Services, Inc.”

Source: RevenueBase Database · checked Sep 19, 2026
8Partial evidenceKnoxville, TN, United StatesHQ checked Sep 19, 2026501-1,000224 contacts →

Partial evidence

“Since 1950, BESCO has met the electrical needs of our Knoxville, Tennessee community within the healthcare, industrial, commercial, higher education, federal, nuclear, low voltage…”

Source: RevenueBase Database · checked Sep 19, 2026
9Partial evidenceCanton, OH, United StatesHQ checked Sep 19, 2026201-500196 contacts →

Partial evidence

“Hilscher-Clarke Electric Company is a full service electrical contractor, with more than 100 years experience in the commercial, industrial, and residential markets.”

Source: RevenueBase Database · checked Sep 19, 2026
10Partial evidenceMuskegon, MI, United StatesHQ checked Sep 19, 2026501-1,000193 contacts →

Partial evidence

“Newkirk Electric is a family-owned and operated, Michigan-based company headquartered on the shorelines of West Michigan.”

Source: RevenueBase Database · checked Sep 19, 2026
11Indirect evidenceRapid City, SD, United StatesHQ checked Sep 19, 2026501-1,000182 contacts →

Indirect evidence

Source: RevenueBase Database · checked Sep 19, 2026
12Strong evidenceMagnolia, TX, United StatesHQ checked Sep 19, 202651-200167 contacts →

Strong evidence

“We are an innovative supplier of infrastructure inspection, engineering, and field repair and reinforcement services for the global electrical utility, renewables, lighting, and…”

Source: RevenueBase Database · checked Sep 19, 2026
13Partial evidenceHouston, TX, United StatesHQ checked Sep 19, 2026201-500152 contacts →

Partial evidence

“KenMor Electric is recognized for its service and craftsmanship.”

Source: RevenueBase Database · checked Sep 19, 2026
14Strong evidenceSan Francisco, CA, United StatesHQ checked Sep 19, 202651-200139 contacts →

Strong evidence

“Gridware is a technology company focused on protecting and enhancing the electrical grid.”

Source: RevenueBase Database · checked Sep 19, 2026
15Partial evidenceAtlanta, GA, United StatesHQ checked Sep 19, 2026201-500132 contacts →

Partial evidence

“White Electrical is a full service industrial electrical contractor supplying many different industries including: automotive, food/beverage, power, chemical, pulp/paper…”

Source: RevenueBase Database · checked Sep 19, 2026
16Indirect evidenceTualatin, OR, United StatesHQ checked Sep 19, 2026201-500131 contacts →

Indirect evidence

“International Line Builders, Inc.”

Source: RevenueBase Database · checked Sep 19, 2026
17Indirect evidenceAtlanta, GA, United StatesHQ checked Sep 19, 20261,001-5,000124 contacts →

Indirect evidence

“Volt Power is a top provider of overhead and underground utility services.”

Source: RevenueBase Database · checked Sep 19, 2026
18Indirect evidenceAkron, OH, United StatesHQ checked Sep 19, 2026501-1,000120 contacts →

Indirect evidence

“J.W.”

Source: RevenueBase Database · checked Sep 19, 2026
19Indirect evidenceFort Worth, TX, United StatesHQ checked Sep 19, 2026201-500106 contacts →

Indirect evidence

“Power Line Services is now part of Primoris Services Corporation.”

Source: RevenueBase Database · checked Sep 19, 2026
20Indirect evidenceWestbrook, ME, United StatesHQ checked Sep 19, 202651-200105 contacts →

Indirect evidence

“E.S.”

Source: RevenueBase Database · checked Sep 19, 2026
21Indirect evidenceWhittier, CA, United StatesHQ checked Sep 19, 202611-5092 contacts →

Indirect evidence

Source: RevenueBase Database · checked Sep 19, 2026
22Partial evidenceHolbrook, MA, United StatesHQ checked Sep 19, 2026n/a91 contacts →

Partial evidence

“Specialists in Electrical Power Systems - Testing, Commissioning, Maintenance.”

Source: RevenueBase Database · checked Sep 19, 2026
23Partial evidenceNew Iberia, United StatesHQ checked Sep 19, 2026201-50088 contacts →

Partial evidence

“E P Breaux is an industry leader in the electrical contracting field, providing clients with the best quality service for their investment.”

Source: RevenueBase Database · checked Sep 19, 2026
24Partial evidenceHouston, TX, United StatesHQ checked Sep 19, 202651-20086 contacts →

Partial evidence

“BELCO (Blanco Electric Ltd Co) is a commercial electrical engineering, contracting and service company.”

Source: RevenueBase Database · checked Sep 19, 2026
25Partial evidenceMedina, MN, United StatesHQ checked Sep 19, 202611-5082 contacts →

Partial evidence

“Delivering Outstanding products and services for electrical power systems We specialize in performing Arc Flash Analysis of your facility and training your team to deal with this…”

Source: RevenueBase Database · checked Sep 19, 2026

Showing 25 of 1,180 electrical grid inspection companies based in the United States

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Electrical grid inspection companies based in the United States at a glance

As of Sep 19, 2026
28.6%Verified-email coverage
10.6Average contacts per company
1-10Median size (employees)
2.3%Largest-city concentration · Houston
Sep 19, 2026Page data refreshed

Companies by employee count

1-10
674
11-50
355
51-200
96
201-500
23
501-1,000
11
1,001-5,000
3
5,001-10,000
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 1,180 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 electrical grid inspection 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 “electrical grid inspection 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 electrical grid inspection 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 electrical grid inspection 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, 3,587 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.

Electrical grid inspection companies by metro

  • Electrical grid inspection companies in Houston27

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 electrical grid inspection 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 electrical grid inspection companies are there based in the United States?

RevenueBase identified 1,180 electrical grid inspection 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?

MYR Group, headquartered in Thornton, tops this list with the largest team on record.

Which city has the most electrical grid inspection companies?

Houston leads with 27 headquartered companies, followed by Atlanta (9) and Denver (8).

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 3,587 verified decision-maker contacts tracked across these 1,180 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.