Company lists · Data refreshed October 2026

Top 25 Electrical substation automation manufacturers based in the United States

Name: Electrical substation automation manufacturers based in the United States
Creator: RevenueBase
License: https://creativecommons.org/licenses/by/4.0/

Compiled by the RevenueBase Data Team Data refreshed Oct 12, 2026 926 companies tracked

RevenueBase identified 926 company matches for electrical substation automation manufacturers associated with the United States as of October 2026 and tracks 36,518 professional contacts across them, including 12,202 with verified work emails. Houston is the largest hub.

This list covers company matches for electrical substation automation manufacturers 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

926Companies

36,518Contacts tracked

12,202Verified emails

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The 25 largest electrical substation automation manufacturers based in the United States

Ranked by team size

Top 25 of 926 company matches for electrical substation automation manufacturers 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.
#	Company	RevenueBase SmartSearch	Headquarters	Employees	Contacts
1	Schweitzer Engineering Laboratories SEL	Exact match	Pullman, WA, United StatesHQ recorded Oct 12, 2026	5,001-10,000	6,798 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 · Oct 12, 2026 · View company records in RevenueBase
2	Powell	Exact match	Houston, TX, United StatesHQ recorded Oct 12, 2026	1,001-5,000	2,646 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
3	Electrical Components International	Exact match	Southfield, MI, United StatesHQ recorded Oct 12, 2026	10001+	2,260 contacts →
	Exact match “Founded in 1953, Electrical Components International (ECI) is one of the world’s leading suppliers of electrical distribution systems, control box assemblies, and other critical…” Recorded in the RevenueBase company graph · Oct 12, 2026 · View company records in RevenueBase
4	Industrial Electric Mfg. IEM	Exact match	Fremont, CA, United StatesHQ recorded Oct 12, 2026	1,001-5,000	1,274 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 · Oct 12, 2026 · View company records in RevenueBase
5	Mitsubishi Electric Power Products, INC	Exact match	Warrendale, PA, United StatesHQ recorded Oct 12, 2026	1,001-5,000	1,014 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
6	Flanders	Exact match	Evansville, IN, United StatesHQ recorded Oct 12, 2026	501-1,000	828 contacts →
	Exact match “FLANDERS, Leverage our legacy.” Recorded in the RevenueBase company graph · Oct 12, 2026 · View company records in RevenueBase
7	Kendall Electric	Exact match	Portage, MI, United StatesHQ recorded Oct 12, 2026	501-1,000	782 contacts →
	Exact match “Your Possibility.” Recorded in the RevenueBase company graph · Oct 12, 2026 · View company records in RevenueBase
8	Resa Power	Exact match	Houston, TX, United StatesHQ recorded Oct 12, 2026	1,001-5,000	590 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
9	Ermco, INC	Exact match	Greenwood, IN, United StatesHQ recorded Oct 12, 2026	201-500	314 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 · Oct 12, 2026 · View company records in RevenueBase
10	Tesco Controls	Exact match	Sacramento, CA, United StatesHQ recorded Oct 12, 2026	201-500	303 contacts →
	Exact match “Tesco Controls, a UFT Company, is a full service systems integrator and original equipment manufacturer specializing in the WATER/WASTEWATER, TRANSPORTATION and ELECTRIC UTILITY…” Recorded in the RevenueBase company graph · Oct 12, 2026 · View company records in RevenueBase
11	Revere Electric Supply	Exact match	Mokena, IL, United StatesHQ recorded Oct 12, 2026	201-500	278 contacts →
	Exact match “Revere Electric Supply is a 4th generation, family-owned, automation and electrical distributor that has been “Connecting People To Innovation Since 1919".” Recorded in the RevenueBase company graph · Oct 12, 2026 · View company records in RevenueBase
12	Milbank Energy At Work	Exact match	Kansas City, MO, United StatesHQ recorded Oct 12, 2026	501-1,000	274 contacts →
	Exact match “Milbank provides the tools that empower life.” Recorded in the RevenueBase company graph · Oct 12, 2026 · View company records in RevenueBase
13	Crown Technical Systems	Exact match	Fontana, CA, United StatesHQ recorded Oct 12, 2026	201-500	263 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 · Oct 12, 2026 · View company records in RevenueBase
14	Maverick Power	Exact match	Mckinney, TX, United StatesHQ recorded Oct 12, 2026	201-500	252 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 · Oct 12, 2026 · View company records in RevenueBase
15	Systems Control	Exact match	Iron Mountain, MI, United StatesHQ recorded Oct 12, 2026	501-1,000	242 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 · Oct 12, 2026 · View company records in RevenueBase
16	Design Ready Controls	Exact match	Brooklyn Park, MN, United StatesHQ recorded Oct 12, 2026	201-500	223 contacts →
	Exact match “DRIVEN BY DATA.” Recorded in the RevenueBase company graph · Oct 12, 2026 · View company records in RevenueBase
17	Intermountain Electronics	Exact match	Price, UT, United StatesHQ recorded Oct 12, 2026	501-1,000	217 contacts →
	Exact match “IE provides custom-engineered, packaged equipment to industrial markets.” Recorded in the RevenueBase company graph · Oct 12, 2026 · View company records in RevenueBase
18	Aubrey Silvey Enterprises, INC	Exact match	Carrollton, GA, United StatesHQ recorded Oct 12, 2026	201-500	198 contacts →
	Exact match Recorded description not available. Recorded in the RevenueBase company graph · Oct 12, 2026 · View company records in RevenueBase
19	Electro-Mechanical	Exact match	Bristol, VA, United StatesHQ recorded Oct 12, 2026	501-1,000	197 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 · Oct 12, 2026 · View company records in RevenueBase
20	The Durham Company	Exact match	Lebanon, MO, United StatesHQ recorded Oct 12, 2026	501-1,000	186 contacts →
	Exact match “The Durham Company specializes in the Design, Manufacturing, and Sales of products in the Electrical Utility Marketplace.” Recorded in the RevenueBase company graph · Oct 12, 2026 · View company records in RevenueBase
21	Quality Electrical Systems	Exact match	West Jordan, UT, United StatesHQ recorded Oct 12, 2026	501-1,000	180 contacts →
	Exact match “We’re an innovative company with countless years of combined experience in the industrial electrical industry.” Recorded in the RevenueBase company graph · Oct 12, 2026 · View company records in RevenueBase
22	Expanse Electrical CO	Exact match	Houston, TX, United StatesHQ recorded Oct 12, 2026	501-1,000	172 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 · Oct 12, 2026 · View company records in RevenueBase
23	AA Electric	Exact match	Lakeland, FL, United StatesHQ recorded Oct 12, 2026	n/a	164 contacts →
	Exact match “AA Electric is your single source for machine control and automation specialty electrical products.” Recorded in the RevenueBase company graph · Oct 12, 2026 · View company records in RevenueBase
24	Novatech Automation	Exact match	Lenexa, KS, United StatesHQ recorded Oct 12, 2026	51-200	154 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 · Oct 12, 2026 · View company records in RevenueBase
25	Excel Engineering	Exact match	St. Paul, MN, United StatesHQ recorded Oct 12, 2026	51-200	148 contacts →
	Exact match “We provide a full scope of electrical and automation engineering and consulting services under one roof, driven by industry-best knowledge and fluid collaboration.” Recorded in the RevenueBase company graph · Oct 12, 2026 · View company records in RevenueBase

RevenueBase SmartSearch

Describe a niche business in your own words. RevenueBase SmartSearch compares the meaning of your description with company business descriptions compiled in the RevenueBase company graph. Exact, Similar, Related and Broad control how closely companies must fit.

This list uses Exact for “electrical substation automation manufacturers”. Each Exact match badge shows membership in that saved search; it is not an individual similarity score or a service-quality rating. Recorded descriptions are shown where available.

Showing 25 of 926 electrical substation automation manufacturers based in the United States

See the full list, filter by size, metro and specialty, and access 12,202 tracked professional contacts with verified work emails. Direct dials are available where recorded.

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Electrical substation automation manufacturers based in the United States at a glance

As of Oct 12, 2026

33.4%Verified-email coverage

39.4Average contacts per company

11-50Median size (employees)

4.6%Largest-city concentration · Houston

Oct 12, 2026Page data refreshed

Companies by employee count

1-10

351

11-50

354

51-200

148

201-500

501-1,000

1,001-5,000

5,001-10,000

10001+

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 926 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 substation automation manufacturers” 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 12,202 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.

Electrical substation automation manufacturers by metro

Electrical substation automation manufacturers in Houston43

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 substation automation manufacturers”; each Exact match badge shows search membership, not an individual similarity or quality score.

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

RevenueBase identified 926 company matches for electrical substation automation manufacturers 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?

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 electrical substation automation manufacturers?

Houston leads with 43 company records, followed by San Antonio (9) and Bristol (7).

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 12,202 professional contacts with verified work emails tracked across these 926 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.