Company lists · Data refreshed November 2026

Top 23 Transformer vacuum dry-out system suppliers based in the United States

RevenueBase identified 51 company matches for transformer vacuum dry-out system suppliers associated with the United States as of November 2026 and tracks 1,822 professional contacts across them, including 730 with verified work emails. Houston is the largest hub.

This list covers company matches for transformer vacuum dry-out system 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 2, 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 2, 2026 How this list was built
51Companies
1,822Contacts tracked
730Verified emails
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The 23 largest transformer vacuum dry-out system suppliers based in the United States

Ranked by team size
Top 23 of 51 company matches for transformer vacuum dry-out system suppliers based in the United States, ordered by professional contacts tracked in RevenueBase, largest first. Recorded Nov 2, 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 matchGreer, ID, United StatesHQ recorded Nov 2, 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 2, 2026 · View company records in RevenueBase
2Exact matchTallmadge, OH, United StatesHQ recorded Nov 2, 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 2, 2026 · View company records in RevenueBase
3Exact matchMontgomery, AL, United StatesHQ recorded Nov 2, 2026201-500212 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 · Nov 2, 2026 · View company records in RevenueBase
4Exact matchSolomon, TN, United StatesHQ recorded Nov 2, 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 2, 2026 · View company records in RevenueBase
5Exact matchOklahoma City, TN, United StatesHQ recorded Nov 2, 2026201-500158 contacts →

Exact match

“In 2025, Southwest Electric Co.”

Recorded in the RevenueBase company graph · Nov 2, 2026 · View company records in RevenueBase
6Exact matchMckinney, AZ, United StatesHQ recorded Nov 2, 2026201-500142 contacts →

Exact match

“Emerald Transformer is the premier national single-source solution for oil-filled electrical equipment with services including repair, re-manufacturing, field technical services…”

Recorded in the RevenueBase company graph · Nov 2, 2026 · View company records in RevenueBase
7Exact matchVernon, CA, United StatesHQ recorded Nov 2, 2026201-500131 contacts →

Exact match

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

Recorded in the RevenueBase company graph · Nov 2, 2026 · View company records in RevenueBase
8Exact matchRichmond, IL, United StatesHQ recorded Nov 2, 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 2, 2026 · View company records in RevenueBase
9Exact matchColman, SD, United StatesHQ recorded Nov 2, 202651-20038 contacts →

Exact match

“T&R Electric Supply Company buys, sells, rents, and repairs distribution and power class transformers, along with medium and high voltage switchgear.”

Recorded in the RevenueBase company graph · Nov 2, 2026 · View company records in RevenueBase
10Exact matchEaston, PA, United StatesHQ recorded Nov 2, 202611-5034 contacts →

Exact match

“The Belyea Company stocks one of the largest inventories of remanufactured electrical power equipment in the country.”

Recorded in the RevenueBase company graph · Nov 2, 2026 · View company records in RevenueBase
11Exact matchTemple, CO, United StatesHQ recorded Nov 2, 202651-20033 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 · Nov 2, 2026 · View company records in RevenueBase
12Exact matchLouisville, OH, United StatesHQ recorded Nov 2, 202651-20032 contacts →

Exact match

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

Recorded in the RevenueBase company graph · Nov 2, 2026 · View company records in RevenueBase
13Exact matchSeneca, SC, United StatesHQ recorded Nov 2, 202611-5031 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 · Nov 2, 2026 · View company records in RevenueBase
14Exact matchSan Antonio, TX, United StatesHQ recorded Nov 2, 202651-20027 contacts →

Exact match

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

Recorded in the RevenueBase company graph · Nov 2, 2026 · View company records in RevenueBase
15Exact matchCommerce City, CO, United StatesHQ recorded Nov 2, 202611-5021 contacts →

Exact match

“At High to Low Voltage, we know that for electrical end-users, power downtime is not an option.”

Recorded in the RevenueBase company graph · Nov 2, 2026 · View company records in RevenueBase
16Exact matchNephi, UT, United StatesHQ recorded Nov 2, 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 · Nov 2, 2026 · View company records in RevenueBase
17Exact matchLubbock, TX, United StatesHQ recorded Nov 2, 202651-20013 contacts →

Exact match

“Nix Electric Company (NECO) of Lubbock, Texas is a company specializing in the manufacturing, service and sales of Oil Cooled and Dry type power transformers.”

Recorded in the RevenueBase company graph · Nov 2, 2026 · View company records in RevenueBase
18Exact matchFombell, PA, United StatesHQ recorded Nov 2, 202611-5013 contacts →

Exact match

“MAKING THE FIRST CHOICE AN EASY CHOICE Acutran dry-type transformers are available in multiple designs.”

Recorded in the RevenueBase company graph · Nov 2, 2026 · View company records in RevenueBase
19Exact matchKearny, NJ, United StatesHQ recorded Nov 2, 202651-2009 contacts →

Exact match

“G&S Technologies, part of the G&S Family of Companies, is the North American leader in the removal, recycling, disposal and repair of transformers and other oil-filled electrical…”

Recorded in the RevenueBase company graph · Nov 2, 2026 · View company records in RevenueBase
20Exact matchHudson, NY, United StatesHQ recorded Nov 2, 202611-507 contacts →

Exact match

“TCI of NY is your one-stop solution for recycling, disposal and repair of transformers and other oil-filled electrical equipment, bulk and drummed oils and PILC cable, as well as…”

Recorded in the RevenueBase company graph · Nov 2, 2026 · View company records in RevenueBase
21Exact matchBrookline, MA, United StatesHQ recorded Nov 2, 202651-2006 contacts →

Exact match

“RHM International is the global innovator of high and very high voltage, dry-insulated technologies for the power utilities; it was the first to design and bring to the…”

Recorded in the RevenueBase company graph · Nov 2, 2026 · View company records in RevenueBase
22Exact matchFort Wayne, IN, United StatesHQ recorded Nov 2, 202611-505 contacts →

Exact match

“SESCO is a major supplier of a wide range of mobile transformer vacuum processing and mobile dielectric fluid filling, filtration, conditioning, and regeneration equipment.”

Recorded in the RevenueBase company graph · Nov 2, 2026 · View company records in RevenueBase
23Exact matchPalm Coast, United StatesHQ recorded Nov 2, 202651-2003 contacts →

Exact match

“Fast Track Solutions To Get You Up and Running Transformer Network is a multi-service resource for high voltage electrical equipment and power transformers.”

Recorded in the RevenueBase company graph · Nov 2, 2026 · View company records in RevenueBase

Showing 23 of 51 transformer vacuum dry-out system suppliers based in the United States

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Transformer vacuum dry-out system suppliers based in the United States at a glance

As of Nov 2, 2026
40.1%Verified-email coverage
35.7Average contacts per company
11-50Median size (employees)
7.8%Largest-city concentration · Houston
Nov 2, 2026Page data refreshed

Companies by employee count

1-10
13
11-50
18
51-200
13
201-500
6
501-1,000
1

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 51 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 “transformer vacuum dry-out system 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 730 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 2, 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 “transformer vacuum dry-out system suppliers”; each Exact match badge shows search membership, not an individual similarity or quality score.

How many transformer vacuum dry-out system suppliers are there based in the United States?

RevenueBase identified 51 company matches for transformer vacuum dry-out system 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?

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

Which city has the most transformer vacuum dry-out system suppliers?

Houston leads with 4 company records, followed by Austin (1) and Brookline (1).

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 730 professional contacts with verified work emails tracked across these 51 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 2, 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.