Company lists · Data refreshed November 2026
Top 25 Transformer winders suppliers based in the United States
RevenueBase identified 119 company matches for transformer winders suppliers associated with the United States as of November 2026 and tracks 2,735 professional contacts across them, including 1,098 with verified work emails. Canton is the largest hub.
This list covers company matches for transformer winders 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.
The 25 largest transformer winders suppliers based in the United States
Ranked by team size| # | Company | Contacts | |||
|---|---|---|---|---|---|
| 1 | 311 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 | |||||
| 2 | 164 contacts → | ||||
Exact match “Leading independent manufacturer of generator stator and rotor windings, including inner-water and inner-hydrogen stator bars, roebel bars and diamond coils.” Recorded in the RevenueBase company graph · Nov 2, 2026 · View company records in RevenueBase | |||||
| 3 | 158 contacts → | ||||
Exact match “In 2025, Southwest Electric Co.” Recorded in the RevenueBase company graph · Nov 2, 2026 · View company records in RevenueBase | |||||
| 4 | 154 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 | |||||
| 5 | 128 contacts → | ||||
Exact match “Founded on April 1, 1950, Brandon and Clark, Inc.” Recorded in the RevenueBase company graph · Nov 2, 2026 · View company records in RevenueBase | |||||
| 6 | 110 contacts → | ||||
Exact match “For over half a century, Horner Industrial Group has been helping to power your business with industry leading service, quality and value by providing excellence in electrical…” Recorded in the RevenueBase company graph · Nov 2, 2026 · View company records in RevenueBase | |||||
| 7 | 70 contacts → | ||||
Exact match “Custom manufacturer of winding, converting and web handling auxiliary equipment and plastics casting, orientation and processing equipment.” Recorded in the RevenueBase company graph · Nov 2, 2026 · View company records in RevenueBase | |||||
| 8 | 52 contacts → | ||||
Exact match Recorded description not available. Recorded in the RevenueBase company graph · Nov 2, 2026 · View company records in RevenueBase | |||||
| 9 | 46 contacts → | ||||
Exact match “SNC Manufacturing Co, Inc.” Recorded in the RevenueBase company graph · Nov 2, 2026 · View company records in RevenueBase | |||||
| 10 | 38 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 | |||||
| 11 | 33 contacts → | ||||
Exact match “Since 1931 Illinois Electric Works has been the industry leader repairing industrial equipment.” Recorded in the RevenueBase company graph · Nov 2, 2026 · View company records in RevenueBase | |||||
| 12 | 33 contacts → | ||||
Exact match “Electric coil and transformer manufacturer.” Recorded in the RevenueBase company graph · Nov 2, 2026 · View company records in RevenueBase | |||||
| 13 | 33 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 | |||||
| 14 | 32 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 | |||||
| 15 | 32 contacts → | ||||
Exact match “Quality Transformer and Electronics designs and manufactures custom transformers, inductors, reactors and electrictronic assemblies.” Recorded in the RevenueBase company graph · Nov 2, 2026 · View company records in RevenueBase | |||||
| 16 | 31 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 | |||||
| 17 | 30 contacts → | ||||
Exact match “Precision Coil and Rotor is a U.S.” Recorded in the RevenueBase company graph · Nov 2, 2026 · View company records in RevenueBase | |||||
| 18 | 29 contacts → | ||||
Exact match “Warner Power is now part of Grand Power Systems!” Recorded in the RevenueBase company graph · Nov 2, 2026 · View company records in RevenueBase | |||||
| 19 | 27 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 | |||||
| 20 | 27 contacts → | ||||
Exact match “Nittoku has been designing and manufacturing coil winding machinery since 1972.” Recorded in the RevenueBase company graph · Nov 2, 2026 · View company records in RevenueBase | |||||
| 21 | 26 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 · Nov 2, 2026 · View company records in RevenueBase | |||||
| 22 | 26 contacts → | ||||
Exact match “Stangenes is a worldwide leader in the design and production of high-voltage pulse transformers and other custom magnetic components.” Recorded in the RevenueBase company graph · Nov 2, 2026 · View company records in RevenueBase | |||||
| 23 | 21 contacts → | ||||
Exact match “Since 1910, CAM Innovation has engineered custom automated machinery and advanced coil manufacturing solutions for customers worldwide.” Recorded in the RevenueBase company graph · Nov 2, 2026 · View company records in RevenueBase | |||||
| 24 | 21 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 | |||||
| 25 | 21 contacts → | ||||
Exact match “Volland Electric was founded in Buffalo, NY in 1943 and remains a locally owned and operated company.” Recorded in the RevenueBase company graph · Nov 2, 2026 · View company records in RevenueBase | |||||
RevenueBase SmartSearch
Describe a niche business in your own words. RevenueBase SmartSearch compares the meaning of your description with company business descriptions compiled in the RevenueBase company graph. Exact, Similar, Related and Broad control how closely companies must fit.
This list uses Exact for “transformer winders suppliers”. Each Exact match badge shows membership in that saved search; it is not an individual similarity score or a service-quality rating. Recorded descriptions are shown where available.
Showing 25 of 119 transformer winders suppliers based in the United States
See the full list, filter by size, metro and specialty, and access 1,098 tracked professional contacts with verified work emails. Direct dials are available where recorded.
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Transformer winders suppliers based in the United States at a glance
As of Nov 2, 2026Companies by employee count
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 119 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 winders 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 1,098 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 winders suppliers”; each Exact match badge shows search membership, not an individual similarity or quality score.
How many transformer winders suppliers are there based in the United States?
RevenueBase identified 119 company matches for transformer winders 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 winders suppliers?
Canton leads with 3 company records, followed by Cincinnati (3) and Houston (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 1,098 professional contacts with verified work emails tracked across these 119 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.
Ready to reach these companies? Verified emails and direct dials for all 119 transformer winders suppliers based in the United States. Start with a free account, no credit card.
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Transformer winders suppliers by geography
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.
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Company intelligence · public preview
Top 25 transformer winders suppliers based in the United States
Find companies in any niche.
Describe the businesses you want in your own words. RevenueBase SmartSearch matches company descriptions by meaning.
RevenueBase records 119 matching company records for transformer winders suppliers based in the United States, with 2,735 tracked contacts and 1,098 verified work emails.
This public preview shows 25 selected records ordered by tracked contacts. RevenueBase SmartSearch finds company descriptions that match by meaning at Exact. Snapshot: November 2, 2026.
RevenueBase compiles business descriptions for niche-company discovery; each row shows a recorded excerpt where available. Adapt this search to find the companies and contacts you want.
Top 25 transformer winders suppliers based in the United States
The public list shows selected company records with contact and verified-email coverage. Reported employee bands provide separate company-size context.
| # | Company | Headquarters on record | Reported employees | RevenueBase SmartSearch | Tracked contacts |
|---|---|---|---|---|---|
| 1 | Maddox Industrial Transformermaddox.com HQ: Greer, ID, United StatesReported employees: 201-500 | Greer, ID, United States | 201-500 | Exact match | 311 contacts → |
“Maddox serves the commercial, industrial, utility, and renewables segments of the transformer market.” Recorded description excerpt · November 2, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 2 | National Electric Coilnational-electric-coil.com HQ: Columbus, OH, United StatesReported employees: 501-1,000 | Columbus, OH, United States | 501-1,000 | Exact match | 164 contacts → |
“Leading independent manufacturer of generator stator and rotor windings, including inner-water and inner-hydrogen stator bars, roebel bars and diamond coils.” Recorded description excerpt · November 2, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 3 | Southwest Electric COswelectric.com HQ: Oklahoma City, TN, United StatesReported employees: 201-500 | Oklahoma City, TN, United States | 201-500 | Exact match | 158 contacts → |
“In 2025, Southwest Electric Co.” Recorded description excerpt · November 2, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 4 | JST Power Equipmentjstpower.com HQ: Lake Mary, FL, United StatesReported employees: 201-500 | Lake Mary, FL, United States | 201-500 | Exact match | 154 contacts → |
“At JST Power Equipment, we pride ourselves on delivering world-class transformer and electrical equipment solutions.” Recorded description excerpt · November 2, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 5 | Brandon & Clark, INCbrandonclark.com HQ: Lubbock, TX, United StatesReported employees: 201-500 | Lubbock, TX, United States | 201-500 | Exact match | 128 contacts → |
“Founded on April 1, 1950, Brandon and Clark, Inc.” Recorded description excerpt · November 2, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 6 | Horner Industrial Grouphornerindustrial.com HQ: Indianapolis, OH, United StatesReported employees: 201-500 | Indianapolis, OH, United States | 201-500 | Exact match | 110 contacts → |
“For over half a century, Horner Industrial Group has been helping to power your business with industry leading service, quality and value by providing excellence in electrical…” Recorded description excerpt · November 2, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 7 | Parkinson Technologiesparkinsontechnologies.com HQ: Woonsocket, NJ, United StatesReported employees: 51-200 | Woonsocket, NJ, United States | 51-200 | Exact match | 70 contacts → |
“Custom manufacturer of winding, converting and web handling auxiliary equipment and plastics casting, orientation and processing equipment.” Recorded description excerpt · November 2, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 8 | Sigma Electronics, INCsigmaxfmr.com HQ: Houston, TX, United StatesReported employees: 51-200 | Houston, TX, United States | 51-200 | Exact match | 52 contacts → |
No recorded description excerpt is available for this public record. | |||||
| 9 | SNC An Allient Power Companysncmfg.com HQ: Oshkosh, WI, United StatesReported employees: 51-200 | Oshkosh, WI, United States | 51-200 | Exact match | 46 contacts → |
“SNC Manufacturing Co, Inc.” Recorded description excerpt · November 2, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 10 | T & R Electric Supply Co., INCtrelectric.com HQ: Colman, SD, United StatesReported employees: 51-200 | Colman, SD, United States | 51-200 | Exact match | 38 contacts → |
“T&R Electric Supply Company buys, sells, rents, and repairs distribution and power class transformers, along with medium and high voltage switchgear.” Recorded description excerpt · November 2, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 11 | Illinois Electric Worksillinoiselectric.com HQ: Granite City, IL, United StatesReported employees: 51-200 | Granite City, IL, United States | 51-200 | Exact match | 33 contacts → |
“Since 1931 Illinois Electric Works has been the industry leader repairing industrial equipment.” Recorded description excerpt · November 2, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 12 | SAG Harbor Industriessagharborind.com HQ: Sag Harbor, NY, United StatesReported employees: 51-200 | Sag Harbor, NY, United States | 51-200 | Exact match | 33 contacts → |
“Electric coil and transformer manufacturer.” Recorded description excerpt · November 2, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 13 | Sunbelt Transformersunbeltusa.com HQ: Temple, CO, United StatesReported employees: 51-200 | Temple, CO, United States | 51-200 | Exact match | 33 contacts → |
“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 description excerpt · November 2, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 14 | OTC Services INCotcservices.com HQ: Louisville, OH, United StatesReported employees: 51-200 | Louisville, OH, United States | 51-200 | Exact match | 32 contacts → |
“Excelling with experience dating back to the 1970's, while continuously adopting the latest technology.” Recorded description excerpt · November 2, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 15 | HQ: Milpitas, CA, United StatesReported employees: 51-200 | Milpitas, CA, United States | 51-200 | Exact match | 32 contacts → |
“Quality Transformer and Electronics designs and manufactures custom transformers, inductors, reactors and electrictronic assemblies.” Recorded description excerpt · November 2, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 16 | Core Transformerscoretransformers.com HQ: Seneca, SC, United StatesReported employees: 11-50 | Seneca, SC, United States | 11-50 | Exact match | 31 contacts → |
“CORE Transformers is the premier supplier of electrical distribution transformers for the commercial, industrial, renewable, and critical power markets.” Recorded description excerpt · November 2, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 17 | Precision Coil & Rotorpecoil.com HQ: Birmingham, AL, United StatesReported employees: 51-200 | Birmingham, AL, United States | 51-200 | Exact match | 30 contacts → |
“Precision Coil and Rotor is a U.S.” Recorded description excerpt · November 2, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 18 | Warner Powergrandpowersystems.com HQ: Grand Haven, NH, United StatesReported employees: 51-200 | Grand Haven, NH, United States | 51-200 | Exact match | 29 contacts → |
“Warner Power is now part of Grand Power Systems!” Recorded description excerpt · November 2, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 19 | Alamo Transformeralamotransformer.com HQ: San Antonio, TX, United StatesReported employees: 51-200 | San Antonio, TX, United States | 51-200 | Exact match | 27 contacts → |
“Alamo Transformer Supply Company (ATSCO) began operation in March of 1963 in San Antonio, Texas.” Recorded description excerpt · November 2, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 20 | Nittoku America INCnittokuamerica.com HQ: Baltimore, MD, United StatesReported employees: 11-50 | Baltimore, MD, United States | 11-50 | Exact match | 27 contacts → |
“Nittoku has been designing and manufacturing coil winding machinery since 1972.” Recorded description excerpt · November 2, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 21 | Pacific Transformerpactran.com HQ: Anaheim, CA, United StatesReported employees: 51-200 | Anaheim, CA, United States | 51-200 | Exact match | 26 contacts → |
“Since 1981, Pacific Transformer has remained a market leader in the field of custom transformers, magnetic engineering, and power transformer design.” Recorded description excerpt · November 2, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 22 | Stangenes Industries, INCstangenes.com HQ: Palo Alto, NV, United StatesReported employees: 51-200 | Palo Alto, NV, United States | 51-200 | Exact match | 26 contacts → |
“Stangenes is a worldwide leader in the design and production of high-voltage pulse transformers and other custom magnetic components.” Recorded description excerpt · November 2, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 23 | CAM Innovationcaminnovation.com HQ: Hanover, PA, United StatesReported employees: 11-50 | Hanover, PA, United States | 11-50 | Exact match | 21 contacts → |
“Since 1910, CAM Innovation has engineered custom automated machinery and advanced coil manufacturing solutions for customers worldwide.” Recorded description excerpt · November 2, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 24 | High To LOW Voltagehightolowvoltage.com HQ: Commerce City, CO, United StatesReported employees: 11-50 | Commerce City, CO, United States | 11-50 | Exact match | 21 contacts → |
“At High to Low Voltage, we know that for electrical end-users, power downtime is not an option.” Recorded description excerpt · November 2, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 25 | Volland Electric Equipment Corpvolland.com HQ: Buffalo, NY, United StatesReported employees: 51-200 | Buffalo, NY, United States | 51-200 | Exact match | 21 contacts → |
“Volland Electric was founded in Buffalo, NY in 1943 and remains a locally owned and operated company.” Recorded description excerpt · November 2, 2026Open company data in RevenueBase ↗Free signup required. | |||||
Showing 25 of 119 company matches
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Transformer winders suppliers: dataset insights
November 2, 2026These summaries describe recorded coverage in this saved dataset. This page is derived from saved source records; per-contact mobile coverage and email-recency results are not established by this snapshot.
Reported company sizes
119 records in the displayed employee bands.
0 matching records are outside the displayed bands or do not have a displayed size. Bars show shares of the displayed bands.
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 119 companies.
How this company list was built
Describe a niche in your own words: companies installing commercial solar, or manufacturers of sustainable packaging. RevenueBase SmartSearch finds companies whose compiled business descriptions match by meaning. This list is one saved example to adapt.
Where the company descriptions come from
RevenueBase compiles company information from public sources, including company websites and public professional profiles such as LinkedIn, alongside information supplied by companies. The short recorded excerpt shown here is separate from the complete business description used for matching; individual source URLs and collection dates are not provided in this public snapshot.
RevenueBase SmartSearch matching settings
- Exact
- Closest fits to the business described.
- Similar
- Similar businesses with a wider range of fits.
- Related
- Related businesses in and around the category.
- Broad
- A broader set of businesses connected to the description.
RevenueBase SmartSearch · Exact match identifies inclusion in this search's closest semantic matching setting. It is not a per-company confidence score, a literal keyword match, or a quality endorsement.
Selection, ordering and scope
The public list shows selected company records with contact and verified-email coverage. Reported employee bands provide separate company-size context.
This page is derived from saved source records; per-contact mobile coverage and email-recency results are not established by this snapshot.
Recorded company descriptions support research; check company websites for current services. The selected preview is ordered by tracked contacts and is not a list of the best service providers.
Snapshot: November 2, 2026.
RevenueBase is a B2B data infrastructure company. Its September 3, 2026 published methodology describes a graph of 60 million companies and 398.9 million professional contacts; these platform figures differ from this page's totals. Published methodology ↗
Questions about this company list
What does Exact match mean for transformer winders suppliers?
The separate RevenueBase SmartSearch column identifies inclusion at the closest semantic matching preset. It is not a literal keyword match, a per-company confidence score or a quality endorsement. Changing the search form opens a new search in RevenueBase; it does not reclassify these saved rows.
How many transformer winders suppliers did RevenueBase find based in the United States?
The saved snapshot records 119 matching company records, 2,735 tracked contacts and 1,098 verified emails. The public preview displays 25 selected records.
Where do the company descriptions come from?
RevenueBase compiles company information from public sources, including company websites and public professional profiles such as LinkedIn, alongside information supplied by companies. The short recorded excerpt shown here is separate from the complete business description used for matching; individual source URLs and collection dates are not provided in this public snapshot.
How are the public companies ordered?
The selected public records are ordered by contacts tracked in RevenueBase, highest first. Contact coverage is a prospecting measure, not an assessment of the company's services or quality.
How can I get contact information?
Select a company's contact count to open its filtered contacts in RevenueBase. Free signup is required and includes 500 credits and limited free results. Verified emails, direct dials and mobile numbers depend on available coverage.
How current is this list?
Snapshot: November 2, 2026. Review each company's website for current services and locations. A recorded business description does not establish that every company offers every service named in the search.
What do headquarters and employee bands mean?
These are recorded company-level fields, rather than a map of every branch or a count of specialists. Missing headquarters or employee bands are labeled; older records may show a location separately from recorded headquarters.
Build your next target company list
Adapt this niche search and work with available contacts in RevenueBase.
Related lists
Transformer winders suppliers by geography
Cite this list
RevenueBase Data Team. Top 25 transformer winders suppliers based in the United States. Snapshot: November 2, 2026. https://revenuebase.ai/companies/transformer-winders-suppliers/united-states.
This is a selected public preview of saved company records, rather than an independently verified census. Open the source page ↗
More company lists
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- New lists
- Transformer winders suppliers based in France
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Company intelligence · public preview
Top 25 transformer winders suppliers based in the United States
RevenueBase records 119 matching company records for transformer winders suppliers based in the United States, with 2,735 tracked contacts and 1,098 verified work emails.
This public preview shows 25 selected records ordered by tracked contacts. RevenueBase SmartSearch finds company descriptions that match by meaning at Exact. Snapshot: November 2, 2026.
RevenueBase compiles business descriptions for niche-company discovery; each row shows a recorded excerpt where available. Adapt this search to find the companies and contacts you want.
Top 25 transformer winders suppliers based in the United States
The public list shows selected company records with contact and verified-email coverage. Reported employee bands provide separate company-size context.
| # | Company | Headquarters on record | Reported employees | RevenueBase SmartSearch | Tracked contacts |
|---|---|---|---|---|---|
| 1 | Maddox Industrial Transformermaddox.com HQ: Greer, ID, United StatesReported employees: 201-500 | Greer, ID, United States | 201-500 | Exact match | 311 contacts → |
“Maddox serves the commercial, industrial, utility, and renewables segments of the transformer market.” Recorded description excerpt · November 2, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 2 | National Electric Coilnational-electric-coil.com HQ: Columbus, OH, United StatesReported employees: 501-1,000 | Columbus, OH, United States | 501-1,000 | Exact match | 164 contacts → |
“Leading independent manufacturer of generator stator and rotor windings, including inner-water and inner-hydrogen stator bars, roebel bars and diamond coils.” Recorded description excerpt · November 2, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 3 | Southwest Electric COswelectric.com HQ: Oklahoma City, TN, United StatesReported employees: 201-500 | Oklahoma City, TN, United States | 201-500 | Exact match | 158 contacts → |
“In 2025, Southwest Electric Co.” Recorded description excerpt · November 2, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 4 | JST Power Equipmentjstpower.com HQ: Lake Mary, FL, United StatesReported employees: 201-500 | Lake Mary, FL, United States | 201-500 | Exact match | 154 contacts → |
“At JST Power Equipment, we pride ourselves on delivering world-class transformer and electrical equipment solutions.” Recorded description excerpt · November 2, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 5 | Brandon & Clark, INCbrandonclark.com HQ: Lubbock, TX, United StatesReported employees: 201-500 | Lubbock, TX, United States | 201-500 | Exact match | 128 contacts → |
“Founded on April 1, 1950, Brandon and Clark, Inc.” Recorded description excerpt · November 2, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 6 | Horner Industrial Grouphornerindustrial.com HQ: Indianapolis, OH, United StatesReported employees: 201-500 | Indianapolis, OH, United States | 201-500 | Exact match | 110 contacts → |
“For over half a century, Horner Industrial Group has been helping to power your business with industry leading service, quality and value by providing excellence in electrical…” Recorded description excerpt · November 2, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 7 | Parkinson Technologiesparkinsontechnologies.com HQ: Woonsocket, NJ, United StatesReported employees: 51-200 | Woonsocket, NJ, United States | 51-200 | Exact match | 70 contacts → |
“Custom manufacturer of winding, converting and web handling auxiliary equipment and plastics casting, orientation and processing equipment.” Recorded description excerpt · November 2, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 8 | Sigma Electronics, INCsigmaxfmr.com HQ: Houston, TX, United StatesReported employees: 51-200 | Houston, TX, United States | 51-200 | Exact match | 52 contacts → |
No recorded description excerpt is available for this public record. | |||||
| 9 | SNC An Allient Power Companysncmfg.com HQ: Oshkosh, WI, United StatesReported employees: 51-200 | Oshkosh, WI, United States | 51-200 | Exact match | 46 contacts → |
“SNC Manufacturing Co, Inc.” Recorded description excerpt · November 2, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 10 | T & R Electric Supply Co., INCtrelectric.com HQ: Colman, SD, United StatesReported employees: 51-200 | Colman, SD, United States | 51-200 | Exact match | 38 contacts → |
“T&R Electric Supply Company buys, sells, rents, and repairs distribution and power class transformers, along with medium and high voltage switchgear.” Recorded description excerpt · November 2, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 11 | Illinois Electric Worksillinoiselectric.com HQ: Granite City, IL, United StatesReported employees: 51-200 | Granite City, IL, United States | 51-200 | Exact match | 33 contacts → |
“Since 1931 Illinois Electric Works has been the industry leader repairing industrial equipment.” Recorded description excerpt · November 2, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 12 | SAG Harbor Industriessagharborind.com HQ: Sag Harbor, NY, United StatesReported employees: 51-200 | Sag Harbor, NY, United States | 51-200 | Exact match | 33 contacts → |
“Electric coil and transformer manufacturer.” Recorded description excerpt · November 2, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 13 | Sunbelt Transformersunbeltusa.com HQ: Temple, CO, United StatesReported employees: 51-200 | Temple, CO, United States | 51-200 | Exact match | 33 contacts → |
“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 description excerpt · November 2, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 14 | OTC Services INCotcservices.com HQ: Louisville, OH, United StatesReported employees: 51-200 | Louisville, OH, United States | 51-200 | Exact match | 32 contacts → |
“Excelling with experience dating back to the 1970's, while continuously adopting the latest technology.” Recorded description excerpt · November 2, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 15 | HQ: Milpitas, CA, United StatesReported employees: 51-200 | Milpitas, CA, United States | 51-200 | Exact match | 32 contacts → |
“Quality Transformer and Electronics designs and manufactures custom transformers, inductors, reactors and electrictronic assemblies.” Recorded description excerpt · November 2, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 16 | Core Transformerscoretransformers.com HQ: Seneca, SC, United StatesReported employees: 11-50 | Seneca, SC, United States | 11-50 | Exact match | 31 contacts → |
“CORE Transformers is the premier supplier of electrical distribution transformers for the commercial, industrial, renewable, and critical power markets.” Recorded description excerpt · November 2, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 17 | Precision Coil & Rotorpecoil.com HQ: Birmingham, AL, United StatesReported employees: 51-200 | Birmingham, AL, United States | 51-200 | Exact match | 30 contacts → |
“Precision Coil and Rotor is a U.S.” Recorded description excerpt · November 2, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 18 | Warner Powergrandpowersystems.com HQ: Grand Haven, NH, United StatesReported employees: 51-200 | Grand Haven, NH, United States | 51-200 | Exact match | 29 contacts → |
“Warner Power is now part of Grand Power Systems!” Recorded description excerpt · November 2, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 19 | Alamo Transformeralamotransformer.com HQ: San Antonio, TX, United StatesReported employees: 51-200 | San Antonio, TX, United States | 51-200 | Exact match | 27 contacts → |
“Alamo Transformer Supply Company (ATSCO) began operation in March of 1963 in San Antonio, Texas.” Recorded description excerpt · November 2, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 20 | Nittoku America INCnittokuamerica.com HQ: Baltimore, MD, United StatesReported employees: 11-50 | Baltimore, MD, United States | 11-50 | Exact match | 27 contacts → |
“Nittoku has been designing and manufacturing coil winding machinery since 1972.” Recorded description excerpt · November 2, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 21 | Pacific Transformerpactran.com HQ: Anaheim, CA, United StatesReported employees: 51-200 | Anaheim, CA, United States | 51-200 | Exact match | 26 contacts → |
“Since 1981, Pacific Transformer has remained a market leader in the field of custom transformers, magnetic engineering, and power transformer design.” Recorded description excerpt · November 2, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 22 | Stangenes Industries, INCstangenes.com HQ: Palo Alto, NV, United StatesReported employees: 51-200 | Palo Alto, NV, United States | 51-200 | Exact match | 26 contacts → |
“Stangenes is a worldwide leader in the design and production of high-voltage pulse transformers and other custom magnetic components.” Recorded description excerpt · November 2, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 23 | CAM Innovationcaminnovation.com HQ: Hanover, PA, United StatesReported employees: 11-50 | Hanover, PA, United States | 11-50 | Exact match | 21 contacts → |
“Since 1910, CAM Innovation has engineered custom automated machinery and advanced coil manufacturing solutions for customers worldwide.” Recorded description excerpt · November 2, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 24 | High To LOW Voltagehightolowvoltage.com HQ: Commerce City, CO, United StatesReported employees: 11-50 | Commerce City, CO, United States | 11-50 | Exact match | 21 contacts → |
“At High to Low Voltage, we know that for electrical end-users, power downtime is not an option.” Recorded description excerpt · November 2, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 25 | Volland Electric Equipment Corpvolland.com HQ: Buffalo, NY, United StatesReported employees: 51-200 | Buffalo, NY, United States | 51-200 | Exact match | 21 contacts → |
“Volland Electric was founded in Buffalo, NY in 1943 and remains a locally owned and operated company.” Recorded description excerpt · November 2, 2026Open company data in RevenueBase ↗Free signup required. | |||||
Showing 25 of 119 company matches
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Transformer winders suppliers: dataset insights
November 2, 2026These summaries describe recorded coverage in this saved dataset. This page is derived from saved source records; per-contact mobile coverage and email-recency results are not established by this snapshot.
Reported company sizes
119 records in the displayed employee bands.
0 matching records are outside the displayed bands or do not have a displayed size. Bars show shares of the displayed bands.
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 119 companies.
How this company list was built
Describe a niche in your own words: companies installing commercial solar, or manufacturers of sustainable packaging. RevenueBase SmartSearch finds companies whose compiled business descriptions match by meaning. This list is one saved example to adapt.
Where the company descriptions come from
RevenueBase compiles company information from public sources, including company websites and public professional profiles such as LinkedIn, alongside information supplied by companies. The short recorded excerpt shown here is separate from the complete business description used for matching; individual source URLs and collection dates are not provided in this public snapshot.
RevenueBase SmartSearch matching settings
- Exact
- Closest fits to the business described.
- Similar
- Similar businesses with a wider range of fits.
- Related
- Related businesses in and around the category.
- Broad
- A broader set of businesses connected to the description.
RevenueBase SmartSearch · Exact match identifies inclusion in this search's closest semantic matching setting. It is not a per-company confidence score, a literal keyword match, or a quality endorsement.
Selection, ordering and scope
The public list shows selected company records with contact and verified-email coverage. Reported employee bands provide separate company-size context.
This page is derived from saved source records; per-contact mobile coverage and email-recency results are not established by this snapshot.
Recorded company descriptions support research; check company websites for current services. The selected preview is ordered by tracked contacts and is not a list of the best service providers.
Snapshot: November 2, 2026.
RevenueBase is a B2B data infrastructure company. Its September 3, 2026 published methodology describes a graph of 60 million companies and 398.9 million professional contacts; these platform figures differ from this page's totals. Published methodology ↗
Questions about this company list
What does Exact match mean for transformer winders suppliers?
The separate RevenueBase SmartSearch column identifies inclusion at the closest semantic matching preset. It is not a literal keyword match, a per-company confidence score or a quality endorsement. Changing the search form opens a new search in RevenueBase; it does not reclassify these saved rows.
How many transformer winders suppliers did RevenueBase find based in the United States?
The saved snapshot records 119 matching company records, 2,735 tracked contacts and 1,098 verified emails. The public preview displays 25 selected records.
Where do the company descriptions come from?
RevenueBase compiles company information from public sources, including company websites and public professional profiles such as LinkedIn, alongside information supplied by companies. The short recorded excerpt shown here is separate from the complete business description used for matching; individual source URLs and collection dates are not provided in this public snapshot.
How are the public companies ordered?
The selected public records are ordered by contacts tracked in RevenueBase, highest first. Contact coverage is a prospecting measure, not an assessment of the company's services or quality.
How can I get contact information?
Select a company's contact count to open its filtered contacts in RevenueBase. Free signup is required and includes 500 credits and limited free results. Verified emails, direct dials and mobile numbers depend on available coverage.
How current is this list?
Snapshot: November 2, 2026. Review each company's website for current services and locations. A recorded business description does not establish that every company offers every service named in the search.
What do headquarters and employee bands mean?
These are recorded company-level fields, rather than a map of every branch or a count of specialists. Missing headquarters or employee bands are labeled; older records may show a location separately from recorded headquarters.
Build your next target company list
Adapt this niche search and work with available contacts in RevenueBase.
Related lists
Transformer winders suppliers by geography
Cite this list
RevenueBase Data Team. Top 25 transformer winders suppliers based in the United States. Snapshot: November 2, 2026. https://revenuebase.ai/companies/transformer-winders-suppliers/united-states.
This is a selected public preview of saved company records, rather than an independently verified census. Open the source page ↗
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