Company lists · Data refreshed November 2026

Top 25 Voltage regulating transformers suppliers based in the United States

RevenueBase identified 220 company matches for voltage regulating transformers suppliers associated with the United States as of November 2026 and tracks 12,341 professional contacts across them, including 3,759 with verified work emails. Houston is the largest hub.

This list covers company matches for voltage regulating transformers suppliers 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 3, 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 3, 2026 How this list was built
220Companies
12,341Contacts tracked
3,759Verified emails
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The 25 largest voltage regulating transformers suppliers based in the United States

Ranked by team size
Top 25 of 220 company matches for voltage regulating transformers suppliers based in the United States, ordered by professional contacts tracked in RevenueBase, largest first. Recorded Nov 3, 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 matchHouston, IL, United StatesHQ recorded Nov 3, 20261,001-5,0002,666 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 · Nov 3, 2026 · View company records in RevenueBase
2Exact matchWarrendale, FL, United StatesHQ recorded Nov 3, 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 3, 2026 · View company records in RevenueBase
3Exact matchEllisville, MS, United StatesHQ recorded Nov 3, 20261,001-5,0001,023 contacts →

Exact match

“Howard Industries is the leading manufacturer of liquid-filled distribution transformers for the utility and commercial/industrial markets.”

Recorded in the RevenueBase company graph · Nov 3, 2026 · View company records in RevenueBase
4Exact matchGreer, ID, United StatesHQ recorded Nov 3, 2026201-500311 contacts →

Exact match

“Maddox serves the commercial, industrial, utility, and renewables segments of the transformer market.”

Recorded in the RevenueBase company graph · Nov 3, 2026 · View company records in RevenueBase
5Exact matchTallmadge, OH, United StatesHQ recorded Nov 3, 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 3, 2026 · View company records in RevenueBase
6Exact matchCanonsburg, NC, United StatesHQ recorded Nov 3, 2026201-500192 contacts →

Exact match

“Pennsylvania Transformer Technology LLC (PTT) is a US-owned, industry leading manufacturer of a wide range of sizes and types of power transformers for the investor-owned…”

Recorded in the RevenueBase company graph · Nov 3, 2026 · View company records in RevenueBase
7Exact matchBordentown, NJ, United StatesHQ recorded Nov 3, 2026201-500186 contacts →

Exact match

“NWL Inc.”

Recorded in the RevenueBase company graph · Nov 3, 2026 · View company records in RevenueBase
8Exact matchFranklin Park, IL, United StatesHQ recorded Nov 3, 2026501-1,000175 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 · Nov 3, 2026 · View company records in RevenueBase
9Exact matchAthens, GA, United StatesHQ recorded Nov 3, 20261,001-5,000172 contacts →

Exact match

“Power Partners is a leading manufacturer of distribution transformers in North America.”

Recorded in the RevenueBase company graph · Nov 3, 2026 · View company records in RevenueBase
10Exact matchSolomon, TN, United StatesHQ recorded Nov 3, 2026501-1,000165 contacts →

Exact match

“Solomon Corporation buys, sells, repairs, recycles, and disposes of transformers, regulators and reclosers.”

Recorded in the RevenueBase company graph · Nov 3, 2026 · View company records in RevenueBase
11Exact matchOklahoma City, TN, United StatesHQ recorded Nov 3, 2026201-500158 contacts →

Exact match

“In 2025, Southwest Electric Co.”

Recorded in the RevenueBase company graph · Nov 3, 2026 · View company records in RevenueBase
12Exact matchLake Mary, FL, United StatesHQ recorded Nov 3, 2026201-500154 contacts →

Exact match

“At JST Power Equipment, we pride ourselves on delivering world-class transformer and electrical equipment solutions.”

Recorded in the RevenueBase company graph · Nov 3, 2026 · View company records in RevenueBase
13Exact matchMemphis, TN, United StatesHQ recorded Nov 3, 2026201-500133 contacts →

Exact match

Recorded description not available.

Recorded in the RevenueBase company graph · Nov 3, 2026 · View company records in RevenueBase
14Exact matchVernon, CA, United StatesHQ recorded Nov 3, 2026201-500131 contacts →

Exact match

“MGM Transformers is now part of Forgent Power Solutions.”

Recorded in the RevenueBase company graph · Nov 3, 2026 · View company records in RevenueBase
15Exact matchSioux Falls, ND, United StatesHQ recorded Nov 3, 2026201-500128 contacts →

Exact match

“Malloy has established itself as a cornerstone in the electrical and power transmission industry through its consistent growth, adaptability, and commitment to quality and…”

Recorded in the RevenueBase company graph · Nov 3, 2026 · View company records in RevenueBase
16Exact matchHighland, IL, United StatesHQ recorded Nov 3, 2026501-1,000116 contacts →

Exact match

“In 2025, Basler Electric Company was acquired by Littelfuse, Inc, a global, diversified industrial technology manufacturing company dedicated to creating a sustainable, connected…”

Recorded in the RevenueBase company graph · Nov 3, 2026 · View company records in RevenueBase
17Exact matchGrand Rapids, MI, United StatesHQ recorded Nov 3, 2026201-500104 contacts →

Exact match

“RoMan Manufacturing was founded in 1980 in Grand Rapids, Michigan, and specializes in small, lightweight Water-Cooled AC Transformers, DC Power Supplies, MFDC (Medium-Frequency)…”

Recorded in the RevenueBase company graph · Nov 3, 2026 · View company records in RevenueBase
18Exact matchTorrance, PA, United StatesHQ recorded Nov 3, 20261,001-5,00097 contacts →

Exact match

“Welcome to Fortune Electric, a world class power transformer and switchgear manufacturer since 1969.”

Recorded in the RevenueBase company graph · Nov 3, 2026 · View company records in RevenueBase
19Exact matchWaco, TX, United StatesHQ recorded Nov 3, 202651-20087 contacts →

Exact match

“VanTran Transformers is now part of Forgent Power Solutions.”

Recorded in the RevenueBase company graph · Nov 3, 2026 · View company records in RevenueBase
20Exact matchAzusa, CA, United StatesHQ recorded Nov 3, 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 3, 2026 · View company records in RevenueBase
21Exact matchRiviera Beach, FL, United StatesHQ recorded Nov 3, 202651-20054 contacts →

Exact match

“K&M Electric Supply was founded in 1972 by Ken Mooney and Ron Kaylor.”

Recorded in the RevenueBase company graph · Nov 3, 2026 · View company records in RevenueBase
22Exact matchRichmond, IL, United StatesHQ recorded Nov 3, 202651-20053 contacts →

Exact match

“75 Years of Engineering Excellence in the Delivered Worldwide Olsun Electrics is the industry’s most trusted partner for custom dry-type transformers.”

Recorded in the RevenueBase company graph · Nov 3, 2026 · View company records in RevenueBase
23Exact matchLavonia, GA, United StatesHQ recorded Nov 3, 2026201-50052 contacts →

Exact match

“Our mission is to maintain profitability and growth through customer satisfaction, industry leading quality and efficient product development and manufacturing.”

Recorded in the RevenueBase company graph · Nov 3, 2026 · View company records in RevenueBase
24Exact matchBurlington, NC, United StatesHQ recorded Nov 3, 202651-20051 contacts →

Exact match

“Southland Electrical Supply, An IPS Company, is a world class leader in Power Distribution and Low Voltage Motor Control.”

Recorded in the RevenueBase company graph · Nov 3, 2026 · View company records in RevenueBase
25Exact matchNew Milford, CT, United StatesHQ recorded Nov 3, 202651-20049 contacts →

Exact match

“Founded in 1973, Neeltran is uniquely positioned as one of the few companies in the world that designs and manufactures its own rectifier-transformers and rectifiers in the same…”

Recorded in the RevenueBase company graph · Nov 3, 2026 · View company records in RevenueBase

Showing 25 of 220 voltage regulating transformers suppliers based in the United States

See the full list, filter by size, metro and specialty, and access 3,759 tracked professional contacts with verified work emails. Direct dials are available where recorded.

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Voltage regulating transformers suppliers based in the United States at a glance

As of Nov 3, 2026
30.5%Verified-email coverage
56.1Average contacts per company
11-50Median size (employees)
5.5%Largest-city concentration · Houston
Nov 3, 2026Page data refreshed

Companies by employee count

1-10
72
11-50
73
51-200
41
201-500
15
501-1,000
7
1,001-5,000
8
5,001-10,000
2
10001+
2

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 220 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 “voltage regulating transformers suppliers” 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 3,759 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 3, 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 “voltage regulating transformers suppliers”; each Exact match badge shows search membership, not an individual similarity or quality score.

How many voltage regulating transformers suppliers are there based in the United States?

RevenueBase identified 220 company matches for voltage regulating transformers suppliers 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?

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

Which city has the most voltage regulating transformers suppliers?

Houston leads with 12 company records, followed by Louisville (3) and New York (3).

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 3,759 professional contacts with verified work emails tracked across these 220 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 3, 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.