Company lists · Data refreshed November 2026

Top 25 Transformer housings suppliers based in the United States

RevenueBase identified 302 company matches for transformer housings suppliers associated with the United States as of November 2026 and tracks 14,095 professional contacts across them, including 3,479 with verified work emails. Houston is the largest hub.

This list covers company matches for transformer housings 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
302Companies
14,095Contacts tracked
3,479Verified emails
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The 25 largest transformer housings suppliers based in the United States

Ranked by team size
Top 25 of 302 company matches for transformer housings 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 matchSouthfield, MI, United StatesHQ recorded Nov 2, 202610001+2,316 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 · Nov 2, 2026 · View company records in RevenueBase
2Exact matchEllisville, MS, United StatesHQ recorded Nov 2, 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 2, 2026 · View company records in RevenueBase
3Exact matchSchaumburg, TX, United StatesHQ recorded Nov 2, 2026501-1,000985 contacts →

Exact match

“Rittal LLC is the U.S.”

Recorded in the RevenueBase company graph · Nov 2, 2026 · View company records in RevenueBase
4Exact matchMilwaukee, WI, United StatesHQ recorded Nov 2, 2026501-1,000332 contacts →

Exact match

“Global Power Components has been manufacturing power generation accessories since 1996.”

Recorded in the RevenueBase company graph · Nov 2, 2026 · View company records in RevenueBase
5Exact matchDickinson, ND, United StatesHQ recorded Nov 2, 2026201-500323 contacts →

Exact match

“Steffes is a lean-operating original equipment manufacturer headquartered in Dickinson, North Dakota with additional manufacturing facilities in Grand Forks, North Dakota and…”

Recorded in the RevenueBase company graph · Nov 2, 2026 · View company records in RevenueBase
6Exact 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
7Exact matchStein Am Rhein, MD, United StatesHQ recorded Nov 2, 20265,001-10,000279 contacts →

Exact match

“The Phoenix Mecano Group is a global player in the enclosures and industrial components segments and is a leader in many markets.”

Recorded in the RevenueBase company graph · Nov 2, 2026 · View company records in RevenueBase
8Exact matchKansas City, MO, United StatesHQ recorded Nov 2, 2026501-1,000277 contacts →

Exact match

“Milbank provides the tools that empower life.”

Recorded in the RevenueBase company graph · Nov 2, 2026 · View company records in RevenueBase
9Exact matchCleveland, TX, United StatesHQ recorded Nov 2, 202651-200263 contacts →

Exact match

“ADALET, a Marmon IEI / Berkshire Hathaway company, is a leading manufacturer of explosionproof enclosures and systems, custom aluminum castings, industrial sheet metal and…”

Recorded in the RevenueBase company graph · Nov 2, 2026 · View company records in RevenueBase
10Exact matchBuffalo, AZ, United StatesHQ recorded Nov 2, 2026501-1,000237 contacts →

Exact match

“GTI is a U.S-based, full-service contract manufacturer that brings products to life for the world's leading innovators.”

Recorded in the RevenueBase company graph · Nov 2, 2026 · View company records in RevenueBase
11Exact 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
12Exact matchCincinnati, OH, United StatesHQ recorded Nov 2, 2026501-1,000210 contacts →

Exact match

“For over 50 years, Monti Inc.”

Recorded in the RevenueBase company graph · Nov 2, 2026 · View company records in RevenueBase
13Exact matchBryan, OH, United StatesHQ recorded Nov 2, 2026201-500194 contacts →

Exact match

“Allied Moulded Products, Inc.(Allied Moulded) is the Contractor’s Choice of nonmetallic electrical boxes and enclosures in today's residential, commercial and industrial markets.”

Recorded in the RevenueBase company graph · Nov 2, 2026 · View company records in RevenueBase
14Exact matchCanonsburg, NC, United StatesHQ recorded Nov 2, 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 2, 2026 · View company records in RevenueBase
15Exact matchMoline, SC, United StatesHQ recorded Nov 2, 2026501-1,000178 contacts →

Exact match

“Manufacturer of Industrial/Agricultural Products McLaughlin is a vertically integrated manufacturer Our roots are in automotive, truck and cab products Our strengths are in…”

Recorded in the RevenueBase company graph · Nov 2, 2026 · View company records in RevenueBase
16Exact matchAthens, GA, United StatesHQ recorded Nov 2, 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 2, 2026 · View company records in RevenueBase
17Exact matchSaginaw, TN, United StatesHQ recorded Nov 2, 2026201-500169 contacts →

Exact match

“Founded in 1963, Saginaw Control & Engineering is a leading manufacturer of electrical enclosures and related products.”

Recorded in the RevenueBase company graph · Nov 2, 2026 · View company records in RevenueBase
18Exact 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
19Exact 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
20Exact matchLake Mary, FL, United StatesHQ recorded Nov 2, 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 2, 2026 · View company records in RevenueBase
21Exact matchDecatur, TN, United StatesHQ recorded Nov 2, 2026201-500153 contacts →

Exact match

“Storm Power Components is a responsive, right-size US manufacturer of custom copper and aluminum electrical components.”

Recorded in the RevenueBase company graph · Nov 2, 2026 · View company records in RevenueBase
22Exact matchWinneconne, WI, United StatesHQ recorded Nov 2, 2026201-500134 contacts →

Exact match

“At Switchgear Power Systems, we engineer and manufacture high quality, custom electrical power distribution equipment with speed, flexibility, and competitive pricing.”

Recorded in the RevenueBase company graph · Nov 2, 2026 · View company records in RevenueBase
23Exact matchIrvington, NJ, United StatesHQ recorded Nov 2, 2026201-500131 contacts →

Exact match

“Richards has proudly served the energy distribution industry since 1945, earning the respect of customers and competitors alike.”

Recorded in the RevenueBase company graph · Nov 2, 2026 · View company records in RevenueBase
24Exact 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
25Exact matchCaldwell, ID, United StatesHQ recorded Nov 2, 20261,001-5,000128 contacts →

Exact match

“Mission Critical Group (MCG) stands apart as an end-to-end power systems and solutions provider, accelerating time-to-power in mission critical environments with unmatched speed…”

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

Showing 25 of 302 transformer housings suppliers based in the United States

See the full list, filter by size, metro and specialty, and access 3,479 tracked professional contacts with verified work emails. Direct dials are available where recorded.

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Transformer housings suppliers based in the United States at a glance

As of Nov 2, 2026
24.7%Verified-email coverage
46.7Average contacts per company
11-50Median size (employees)
6.0%Largest-city concentration · Houston
Nov 2, 2026Page data refreshed

Companies by employee count

1-10
87
11-50
102
51-200
64
201-500
22
501-1,000
17
1,001-5,000
7
5,001-10,000
1
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 302 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 housings 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 3,479 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 housings suppliers”; each Exact match badge shows search membership, not an individual similarity or quality score.

How many transformer housings suppliers are there based in the United States?

RevenueBase identified 302 company matches for transformer housings 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?

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

Which city has the most transformer housings suppliers?

Houston leads with 18 company records, followed by San Jose (5) and Los Angeles (4).

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 3,479 professional contacts with verified work emails tracked across these 302 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.