Company lists · Data refreshed November 2026

Top 25 Railway substation operators based in the United States

RevenueBase identified 85 company matches for railway substation operators associated with the United States as of November 2026 and tracks 3,701 professional contacts across them, including 1,598 with verified work emails. Altamonte Springs is the largest hub.

This list covers company matches for railway substation operators 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 November 6, 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 Nov 6, 2026 How this list was built
85Companies
3,701Contacts tracked
1,598Verified emails
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The 25 largest railway substation operators based in the United States

Ranked by team size
Top 25 of 85 company matches for railway substation operators based in the United States, ordered by professional contacts tracked in RevenueBase, largest first. Recorded Nov 6, 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 matchWarrendale, FL, United StatesHQ recorded Nov 6, 20261,001-5,0001,037 contacts →

Exact match

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

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
2Exact matchHouston, CA, United StatesHQ recorded Nov 6, 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 · Nov 6, 2026 · View company records in RevenueBase
3Exact matchCastle Rock, United StatesHQ recorded Nov 6, 20261,001-5,000299 contacts →

Exact match

Recorded description not available.

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
4Exact matchTallmadge, OH, United StatesHQ recorded Nov 6, 2026201-500219 contacts →

Exact match

“SDMyers is the industry leader in transformer and substation maintenance and electric power system reliability.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
5Exact matchCarrollton, GA, United StatesHQ recorded Nov 6, 2026201-500205 contacts →

Exact match

Recorded description not available.

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
6Exact matchLawrence, NJ, United StatesHQ recorded Nov 6, 202651-200116 contacts →

Exact match

“JINGOLI POWER assists clients with their complex electrical transmission, distribution and substation projects and programs.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
7Exact matchAltamonte Springs, FL, United StatesHQ recorded Nov 6, 202611-50107 contacts →

Exact match

“North American Substation Services is an electrical/electronic manufacturing company based out of 445 Douglas Ave, Altamonte Springs, Florida, United States.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
8Exact matchHolbrook, MA, United StatesHQ recorded Nov 6, 2026n/a95 contacts →

Exact match

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

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
9Exact matchAlexadria, TX, United StatesHQ recorded Nov 6, 20261,001-5,00090 contacts →

Exact match

“T&D Solutions takes pride in providing electric utility services to Investor Owned, Municipal, and Cooperative utility systems.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
10Exact matchMunroe Falls, OH, United StatesHQ recorded Nov 6, 2026201-50071 contacts →

Exact match

Recorded description not available.

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
11Exact matchBirmingham, AL, United StatesHQ recorded Nov 6, 2026201-50070 contacts →

Exact match

“Gridco is an employee-focused utility infrastructure company specializing in power distribution, transmission, substation, and engineering services.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
12Exact matchAzusa, CA, United StatesHQ recorded Nov 6, 2026201-50067 contacts →

Exact match

“Lindsey Systems is recognized globally as an innovator in the electric power industry.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
13Exact matchAltamonte Springs, FL, United StatesHQ recorded Nov 6, 2026201-50058 contacts →

Exact match

“North American Substation Services (NASS) is a nationally-recognized expert specializing in transformer and substation apparatus installation, services, and repair.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
14Exact matchCrown Point, IN, United StatesHQ recorded Nov 6, 202651-20036 contacts →

Exact match

“Crown ERAM, LLC is a self motivated power distribution service organization with experienced breaker and motor technicians, engineers, and administration staff that are available…”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
15Exact matchBessemer, AL, United StatesHQ recorded Nov 6, 2026201-50025 contacts →

Exact match

“Power Grid Components (PGC), now MacLean Power Systems (MPS), supplies highly engineered power equipment for substations across the North American grid.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
16Exact matchHouston, TX, United StatesHQ recorded Nov 6, 202611-5022 contacts →

Exact match

“Equisales provides domestic and international utilities, power plants and industrial customers with time-critical high voltage transformers and substation equipment while…”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
17Exact matchNV, United StatesHQ recorded Nov 6, 202611-5021 contacts →

Exact match

“MKI provides technical support and sales of equipment for the electric power grid in construction projects involving generating, transmitting, protecting, and automating energy…”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
18Exact matchGreen Bay, WI, United StatesHQ recorded Nov 6, 202651-20020 contacts →

Exact match

“Energis High Voltage Resources is a single source energy company specializing in electrical substation services, including: oil processing, testing and maintenance, project…”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
19Exact matchHouston, TX, United StatesHQ recorded Nov 6, 202651-20019 contacts →

Exact match

“Founded in and headquartered in Houston, TX, ETI is a vertically integrated designer and manufacturer of highly engineered electrical power distribution solutions.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
20Exact matchConcord, NH, United StatesHQ recorded Nov 6, 202611-5016 contacts →

Exact match

“Transformer Services Inc.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
21Exact matchHeber City, UT, United StatesHQ recorded Nov 6, 202611-5016 contacts →

Exact match

“Advanced Electric Systems (AES) specializes in the service and maintenance of high and low voltage substations, power transformers and critical power systems infrastructure.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
22Exact matchChicago, IL, United StatesHQ recorded Nov 6, 202611-5012 contacts →

Exact match

“Substation Engineering Solutions LLC is a minority owned engineering firm focused on quality design for power distribution and transmission substations.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
23Exact matchLincoln, NJ, United StatesHQ recorded Nov 6, 202611-5011 contacts →

Exact match

“Purveyors for Transformers, Switchgear, Protective Relays, Metering, and Substation Equipment.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
24Exact matchAllentown, PA, United StatesHQ recorded Nov 6, 20261-1011 contacts →

Exact match

“UNELSYS provides engineering design,build,test and commission of Protection,Control and Automation Systems for Electric Power Substations.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
25Exact matchErlanger, KY, United StatesHQ recorded Nov 6, 202611-5011 contacts →

Exact match

“Qualus Solutions provides field services for the upgrading, testing, and maintenance of the reliability and efficiency of substation, generation, and power systems equipment.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase

Showing 25 of 85 railway substation operators based in the United States

See the full list, filter by size, metro and specialty, and access 1,598 tracked professional contacts with verified work emails. Direct dials are available where recorded.

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Railway substation operators based in the United States at a glance

As of Nov 6, 2026
43.2%Verified-email coverage
43.5Average contacts per company
11-50Median size (employees)
3.5%Largest-city concentration · Altamonte Springs
Nov 6, 2026Page data refreshed

Companies by employee count

1-10
27
11-50
31
51-200
12
201-500
9
501-1,000
1
1,001-5,000
5

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 85 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 “railway substation operators” 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 1,598 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 November 6, 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 “railway substation operators”; each Exact match badge shows search membership, not an individual similarity or quality score.

How many railway substation operators are there based in the United States?

RevenueBase identified 85 company matches for railway substation operators associated with the United States as of November 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?

Mitsubishi Electric Power Products, INC tops the displayed preview by professional contacts tracked in RevenueBase. Recorded headquarters appear in the company rows.

Which city has the most railway substation operators?

Altamonte Springs leads with 3 company records, followed by Houston (3) and Albuquerque (2).

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 1,598 professional contacts with verified work emails tracked across these 85 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 November 6, 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.