Company lists · Data refreshed September 2026

Top 25 Dry type transformer manufacturers based in the United States

RevenueBase identified 89 company matches for dry type transformer manufacturers associated with the United States as of September 2026 and tracks 3,546 professional contacts across them, including 872 with verified work emails. Houston is the largest hub.

This list covers company matches for dry type transformer 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 September 30, 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 30, 2026 How this list was built
89Companies
3,546Contacts tracked
872Verified emails
Explore this list → Free signup · no credit card · 500 free credits

The 25 largest dry type transformer manufacturers based in the United States

Ranked by team size
Top 25 of 89 company matches for dry type transformer manufacturers based in the United States, ordered by professional contacts tracked in RevenueBase, largest first. Recorded Sep 30, 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 matchEllisville, MS, United StatesHQ recorded Sep 30, 20261,001-5,000941 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 · Sep 30, 2026 · View company records in RevenueBase
2Exact matchDyersburg, TN, United StatesHQ recorded Sep 30, 20261,001-5,000520 contacts →

Exact match

“ERMCO (Electric Research and Manufacturing Cooperative, Inc.) is headquartered in Dyersburg, Tennessee.”

Recorded in the RevenueBase company graph · Sep 30, 2026 · View company records in RevenueBase
3Exact matchMontgomery, AL, United StatesHQ recorded Sep 30, 2026201-500202 contacts →

Exact match

“HD Hyundai Power Transformers USA, Inc, a subsidiary of HD Hyundai Electric Systems, stands as a premier transformer manufacturer located in Montgomery, Alabama.”

Recorded in the RevenueBase company graph · Sep 30, 2026 · View company records in RevenueBase
4Exact matchAthens, GA, United StatesHQ recorded Sep 30, 20261,001-5,000174 contacts →

Exact match

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

Recorded in the RevenueBase company graph · Sep 30, 2026 · View company records in RevenueBase
5Exact matchCanonsburg, PA, United StatesHQ recorded Sep 30, 2026201-500169 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 · Sep 30, 2026 · View company records in RevenueBase
6Exact matchVernon, CA, United StatesHQ recorded Sep 30, 2026201-500147 contacts →

Exact match

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

Recorded in the RevenueBase company graph · Sep 30, 2026 · View company records in RevenueBase
7Exact matchOklahoma City, OK, United StatesHQ recorded Sep 30, 2026201-500145 contacts →

Exact match

“In 2025, Southwest Electric Co.”

Recorded in the RevenueBase company graph · Sep 30, 2026 · View company records in RevenueBase
8Exact matchWaco, TX, United StatesHQ recorded Sep 30, 202651-20086 contacts →

Exact match

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

Recorded in the RevenueBase company graph · Sep 30, 2026 · View company records in RevenueBase
9Exact matchRichmond, IL, United StatesHQ recorded Sep 30, 202651-20051 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 · Sep 30, 2026 · View company records in RevenueBase
10Exact matchEdgefield, SC, United StatesHQ recorded Sep 30, 2026201-50042 contacts →

Exact match

“Trantech is the most customer-oriented and largest manufacturer of transformer radiators and cooling products in North America.”

Recorded in the RevenueBase company graph · Sep 30, 2026 · View company records in RevenueBase
11Exact matchLake Park, FL, United StatesHQ recorded Sep 30, 202651-20039 contacts →

Exact match

“We collaborate with customers to deliver cost-effective, well-developed commercial transformer and industrial transformer solutions that meet unique specifications.”

Recorded in the RevenueBase company graph · Sep 30, 2026 · View company records in RevenueBase
12Exact matchRoanoke, VA, United StatesHQ recorded Sep 30, 202651-20036 contacts →

Exact match

Recorded description not available.

Recorded in the RevenueBase company graph · Sep 30, 2026 · View company records in RevenueBase
13Exact matchMonroe, NC, United StatesHQ recorded Sep 30, 202651-20032 contacts →

Exact match

“ITEC, a MacLean Power Systems (MPS) company, specializes in the design and manufacture of dry and oil-filled transformers, ensuring the safety and reliability of electrical…”

Recorded in the RevenueBase company graph · Sep 30, 2026 · View company records in RevenueBase
14Exact matchSterling, IL, United StatesHQ recorded Sep 30, 202651-20031 contacts →

Exact match

“For over 40 years, Micron has been the supplier of choice for original equipment manufacturers and control system builders around the world.”

Recorded in the RevenueBase company graph · Sep 30, 2026 · View company records in RevenueBase
15Exact matchTemple, TX, United StatesHQ recorded Sep 30, 202651-20031 contacts →

Exact match

“Sunbelt Transformer is one of the world’s largest providers of new and reconditioned transformers and electrical equipment for commercial and industrial markets worldwide.”

Recorded in the RevenueBase company graph · Sep 30, 2026 · View company records in RevenueBase
16Exact matchLouisville, OH, United StatesHQ recorded Sep 30, 202651-20030 contacts →

Exact match

“Excelling with experience dating back to the 1970's, while continuously adopting the latest technology.”

Recorded in the RevenueBase company graph · Sep 30, 2026 · View company records in RevenueBase
17Exact matchMilpitas, CA, United StatesHQ recorded Sep 30, 202651-20028 contacts →

Exact match

“Quality Transformer and Electronics designs and manufactures custom transformers, inductors, reactors and electrictronic assemblies.”

Recorded in the RevenueBase company graph · Sep 30, 2026 · View company records in RevenueBase
18Exact matchGoodyear, AZ, United StatesHQ recorded Sep 30, 2026501-1,00028 contacts →

Exact match

“Jefferson Electric delivers precision-engineered transformer solutions trusted across industrial, commercial, and utility markets.”

Recorded in the RevenueBase company graph · Sep 30, 2026 · View company records in RevenueBase
19Exact matchAnaheim, CA, United StatesHQ recorded Sep 30, 202651-20027 contacts →

Exact match

“Since 1981, Pacific Transformer has remained a market leader in the field of custom transformers, magnetic engineering, and power transformer design.”

Recorded in the RevenueBase company graph · Sep 30, 2026 · View company records in RevenueBase
20Exact matchSan Antonio, TX, United StatesHQ recorded Sep 30, 202651-20026 contacts →

Exact match

“Alamo Transformer Supply Company (ATSCO) began operation in March of 1963 in San Antonio, Texas.”

Recorded in the RevenueBase company graph · Sep 30, 2026 · View company records in RevenueBase
21Exact matchNephi, UT, United StatesHQ recorded Sep 30, 20261-1021 contacts →

Exact match

“UTB is among the top dealers of liquid filled electrical transformers in the nation.”

Recorded in the RevenueBase company graph · Sep 30, 2026 · View company records in RevenueBase
22Exact matchGrand Haven, MI, United StatesHQ recorded Sep 30, 202651-20020 contacts →

Exact match

“Warner Power is now part of Grand Power Systems!”

Recorded in the RevenueBase company graph · Sep 30, 2026 · View company records in RevenueBase
23Exact matchHouston, TX, United StatesHQ recorded Sep 30, 202611-5019 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 · Sep 30, 2026 · View company records in RevenueBase
24Exact matchSeneca, SC, United StatesHQ recorded Sep 30, 202611-5018 contacts →

Exact match

“CORE Transformers is the premier supplier of electrical distribution transformers for the commercial, industrial, renewable, and critical power markets.”

Recorded in the RevenueBase company graph · Sep 30, 2026 · View company records in RevenueBase
25Exact matchNorth Ridgeville, OH, United StatesHQ recorded Sep 30, 202611-5016 contacts →

Exact match

“Norlake Manufacturing Company | Engineered transformers and custom transformer solutions for over 50 years.”

Recorded in the RevenueBase company graph · Sep 30, 2026 · View company records in RevenueBase

Showing 25 of 89 dry type transformer manufacturers based in the United States

See the full list, filter by size, metro and specialty, and access 872 tracked professional contacts with verified work emails. Direct dials are available where recorded.

Free signup · no credit card

View the full list →

Dry type transformer manufacturers based in the United States at a glance

As of Sep 30, 2026
24.6%Verified-email coverage
39.8Average contacts per company
11-50Median size (employees)
7.9%Largest-city concentration · Houston
Sep 30, 2026Page data refreshed

Companies by employee count

1-10
28
11-50
27
51-200
21
201-500
6
501-1,000
3
1,001-5,000
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 89 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 “dry type transformer 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 872 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 30, 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 “dry type transformer manufacturers”; each Exact match badge shows search membership, not an individual similarity or quality score.

How many dry type transformer manufacturers are there based in the United States?

RevenueBase identified 89 company matches for dry type transformer manufacturers 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?

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

Which city has the most dry type transformer manufacturers?

Houston leads with 7 company records, followed by Grand Haven (3) and Addison (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 872 professional contacts with verified work emails tracked across these 89 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 30, 2026.

Ready to reach these companies? Verified emails and direct dials for all 89 dry type transformer manufacturers based in the United States. Start with a free account, no credit card.

Download this list →

Related lists

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.