Company lists · Data refreshed September 2026

Top 25 Substation automation companies based in the United States

RevenueBase identified 363 company matches for substation automation companies associated with the United States as of September 2026 and tracks 31,954 professional contacts across them, including 12,639 with verified work emails. Houston is the largest hub.

This list covers company matches for substation automation companies 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 September 18, 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 Sep 18, 2026 How this list was built
363Companies
31,954Contacts tracked
12,639Verified emails
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The 25 largest substation automation companies based in the United States

Ranked by team size
Top 25 of 363 company matches for substation automation companies based in the United States, ordered by professional contacts tracked in RevenueBase, largest first. Recorded Sep 18, 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 matchPullman, WA, United StatesHQ recorded Sep 18, 20265,001-10,0006,489 contacts →

Exact match

“SEL is a globally recognized designer and manufacturer of products and solutions that make electric power safer, more reliable, and more economical.”

Recorded in the RevenueBase company graph · Sep 18, 2026 · View company records in RevenueBase
2Exact matchShelton, CT, United StatesHQ recorded Sep 18, 202610001+4,053 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 · Sep 18, 2026 · View company records in RevenueBase
3Exact matchLisle, IL, United StatesHQ recorded Sep 18, 20261,001-5,0002,966 contacts →

Exact match

“ENTRUST Solutions Group, an ENR Top 100 company, provides comprehensive and dependable engineering, consulting, and automation services to pipeline companies, gas and electric…”

Recorded in the RevenueBase company graph · Sep 18, 2026 · View company records in RevenueBase
4Exact matchHouston, TX, United StatesHQ recorded Sep 18, 20261,001-5,0002,561 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 · Sep 18, 2026 · View company records in RevenueBase
5Exact matchColumbia, SC, United StatesHQ recorded Sep 18, 20261,001-5,0001,079 contacts →

Exact match

“Hubbell Power Systems (HPS) designs and manufactures a wide variety of electric power transmission, distribution, substation, underground, OEM, and communications products used by…”

Recorded in the RevenueBase company graph · Sep 18, 2026 · View company records in RevenueBase
6Exact matchFremont, CA, United StatesHQ recorded Sep 18, 20261,001-5,000969 contacts →

Exact match

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

Recorded in the RevenueBase company graph · Sep 18, 2026 · View company records in RevenueBase
7Exact matchWarrendale, PA, United StatesHQ recorded Sep 18, 20261,001-5,000967 contacts →

Exact match

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

Recorded in the RevenueBase company graph · Sep 18, 2026 · View company records in RevenueBase
8Exact matchBillings, MT, United StatesHQ recorded Sep 18, 20261,001-5,000890 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 · Sep 18, 2026 · View company records in RevenueBase
9Exact matchEvansville, IN, United StatesHQ recorded Sep 18, 2026501-1,000789 contacts →

Exact match

“FLANDERS, Leverage our legacy.”

Recorded in the RevenueBase company graph · Sep 18, 2026 · View company records in RevenueBase
10Exact matchAnoka, MN, United StatesHQ recorded Sep 18, 202610001+627 contacts →

Exact match

“nVent HOFFMAN leading designer and manufacturer of systems that safely and reliably protect the electronic controls and mission critical electrical systems in industrial, data…”

Recorded in the RevenueBase company graph · Sep 18, 2026 · View company records in RevenueBase
11Exact matchHouston, TX, United StatesHQ recorded Sep 18, 20261,001-5,000511 contacts →

Exact match

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

Recorded in the RevenueBase company graph · Sep 18, 2026 · View company records in RevenueBase
12Exact matchPortland, OR, United StatesHQ recorded Sep 18, 20261,001-5,000490 contacts →

Exact match

“Our lives function on a power grid.”

Recorded in the RevenueBase company graph · Sep 18, 2026 · View company records in RevenueBase
13Exact matchGreenwood, IN, United StatesHQ recorded Sep 18, 2026201-500304 contacts →

Exact match

“From our beginning in 1962 as a small electrical maintenance company in downtown Indianapolis with a staff of three, ERMCO, Inc.”

Recorded in the RevenueBase company graph · Sep 18, 2026 · View company records in RevenueBase
14Exact matchFontana, CA, United StatesHQ recorded Sep 18, 2026201-500241 contacts →

Exact match

“Crown Technical Systems, a Flex company, is headquartered in Fontana, California, with additional production and engineering facilities in Dallas, Texas, and Ontario, Canada.”

Recorded in the RevenueBase company graph · Sep 18, 2026 · View company records in RevenueBase
15Exact matchIron Mountain, MI, United StatesHQ recorded Sep 18, 2026501-1,000240 contacts →

Exact match

“Systems Control, a Hubbell brand, designs and manufactures turnkey control systems and control relays that are involved in the protection and control of transmission and…”

Recorded in the RevenueBase company graph · Sep 18, 2026 · View company records in RevenueBase
16Exact matchBristol, VA, United StatesHQ recorded Sep 18, 2026501-1,000221 contacts →

Exact match

“Electro-Mechanical, LLC is a global leader in developing and manufacturing technologies used for electrical power distribution switching, power quality and power protection…”

Recorded in the RevenueBase company graph · Sep 18, 2026 · View company records in RevenueBase
17Exact matchPrice, UT, United StatesHQ recorded Sep 18, 2026501-1,000208 contacts →

Exact match

“IE provides custom-engineered, packaged equipment to industrial markets.”

Recorded in the RevenueBase company graph · Sep 18, 2026 · View company records in RevenueBase
18Exact matchMckinney, TX, United StatesHQ recorded Sep 18, 2026201-500205 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 · Sep 18, 2026 · View company records in RevenueBase
19Exact matchBoonton, NJ, United StatesHQ recorded Sep 18, 202651-200202 contacts →

Exact match

“RFL is a Hubbell Power Systems brand that provides power line communication equipment and protection solutions, relaying products, application support, and customized systems.”

Recorded in the RevenueBase company graph · Sep 18, 2026 · View company records in RevenueBase
20Exact matchCarrollton, GA, United StatesHQ recorded Sep 18, 2026201-500192 contacts →

Exact match

Recorded description not available.

Recorded in the RevenueBase company graph · Sep 18, 2026 · View company records in RevenueBase
21Exact matchHouston, TX, United StatesHQ recorded Sep 18, 2026501-1,000188 contacts →

Exact match

“Expanse Electrical Company is a premier provider of integrated electrical infrastructure, instrumentation and automation system solutions.”

Recorded in the RevenueBase company graph · Sep 18, 2026 · View company records in RevenueBase
22Exact matchFranklin Park, IL, United StatesHQ recorded Sep 18, 2026501-1,000165 contacts →

Exact match

“For over 100 years, SAI (Switchboard Apparatus, Inc.) has supplied innovative and reliable equipment for electrical power distribution.”

Recorded in the RevenueBase company graph · Sep 18, 2026 · View company records in RevenueBase
23Exact matchLenexa, KS, United StatesHQ recorded Sep 18, 202651-200153 contacts →

Exact match

“NovaTech Automation produces the easiest to use and best supported automation products and solutions for electric utilities.”

Recorded in the RevenueBase company graph · Sep 18, 2026 · View company records in RevenueBase
24Exact matchPineville, LA, United StatesHQ recorded Sep 18, 202651-200150 contacts →

Exact match

“You needed that substation yesterday.”

Recorded in the RevenueBase company graph · Sep 18, 2026 · View company records in RevenueBase
25Exact matchTrafford, PA, United StatesHQ recorded Sep 18, 2026201-500145 contacts →

Exact match

“Cleaveland/Price is a engineering/manufacturing firm serving the needs of the electric power industry.”

Recorded in the RevenueBase company graph · Sep 18, 2026 · View company records in RevenueBase

Showing 25 of 363 substation automation companies based in the United States

See the full list, filter by size, metro and specialty, and access 12,639 tracked professional contacts with verified work emails. Direct dials are available where recorded.

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Substation automation companies based in the United States at a glance

As of Sep 18, 2026
39.6%Verified-email coverage
88.0Average contacts per company
11-50Median size (employees)
6.1%Largest-city concentration · Houston
Sep 18, 2026Page data refreshed

Companies by employee count

1-10
119
11-50
123
51-200
65
201-500
20
501-1,000
15
1,001-5,000
16
5,001-10,000
1
10001+
4

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 363 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 “substation automation companies” 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 12,639 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 September 18, 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 “substation automation companies”; each Exact match badge shows search membership, not an individual similarity or quality score.

How many substation automation companies are there based in the United States?

RevenueBase identified 363 company matches for substation automation companies associated with the United States as of September 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?

Schweitzer Engineering Laboratories SEL tops the displayed preview by professional contacts tracked in RevenueBase. Recorded headquarters appear in the company rows.

Which city has the most substation automation companies?

Houston leads with 22 company records, followed by Bristol (5) and San Antonio (5).

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 12,639 professional contacts with verified work emails tracked across these 363 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 September 18, 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.