Company lists · Data refreshed November 2026
Top 25 Tap changing underload transformers suppliers worldwide
RevenueBase identified 367 company matches for tap changing underload transformers suppliers worldwide as of November 2026 and tracks 6,370 professional contacts across them, including 1,430 with verified work emails. India is the largest market and Pune the largest hub.
This list covers company matches for tap changing underload transformers suppliers worldwide, 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. Country and city lists for tap changing underload transformers suppliers follow the table.
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 tap changing underload transformers suppliers worldwide
Ranked by team size| # | Company | Contacts | |||
|---|---|---|---|---|---|
| 1 | 460 contacts → | ||||
Exact match “Voltamp Transformers Limited is a Oil filled Power, Distribution and Dry type Transformer manufacturing company based in Vadodara, Gujarat State in India since year 1967.The…” Recorded in the RevenueBase company graph · Nov 2, 2026 · View company records in RevenueBase | |||||
| 2 | 386 contacts → | ||||
Exact match “Since 2001, UTEC has been Saudi Arabia's trusted partner for power transformers, substations, switchgear, and mission-critical electrical solutions.” Recorded in the RevenueBase company graph · Nov 2, 2026 · View company records in RevenueBase | |||||
| 3 | 306 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 | |||||
| 4 | 291 contacts → | ||||
Exact match “En VOLTRAN, nuestros equipos de Ingenieros y Técnicos, trabajan bajo los estándares más estrictos de calidad para diseñar, fabricar, reparar y poner en operación transformadores…” Recorded in the RevenueBase company graph · Nov 2, 2026 · View company records in RevenueBase | |||||
| 5 | 277 contacts → | ||||
Exact match “THE TRANSFORMER SOLUTION SPECIALIST Established in 1933 with a proud history, Wilson Transformer Company is a leading specialist in the delivery of transformer solutions.” Recorded in the RevenueBase company graph · Nov 2, 2026 · View company records in RevenueBase | |||||
| 6 | 256 contacts → | ||||
Exact match “We are a leading manufacturer of power transformers and other electronics.” Recorded in the RevenueBase company graph · Nov 2, 2026 · View company records in RevenueBase | |||||
| 7 | 225 contacts → | ||||
Exact match “We have been in the market for over 20 years serving the main industrial and commercial markets, gaining prominent positions in the segments of Engineering, Commissioning of…” Recorded in the RevenueBase company graph · Nov 2, 2026 · View company records in RevenueBase | |||||
| 8 | 200 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 | |||||
| 9 | 193 contacts → | ||||
Exact match “With experience manufacturing, repairing and servicing distribution equipment, Partner Technologies Inc.” Recorded in the RevenueBase company graph · Nov 2, 2026 · View company records in RevenueBase | |||||
| 10 | 190 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 | |||||
| 11 | 163 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 | |||||
| 12 | 161 contacts → | ||||
Exact match “GK EXPERTISE is a Leading Manufacture in Transmission & Distribution Equipment of Power Transformer, Current Transformer, OLTC, Control & Relay Panels, MV Switchgears, Lighting…” Recorded in the RevenueBase company graph · Nov 2, 2026 · View company records in RevenueBase | |||||
| 13 | 151 contacts → | ||||
Exact match “In 2025, Southwest Electric Co.” Recorded in the RevenueBase company graph · Nov 2, 2026 · View company records in RevenueBase | |||||
| 14 | 109 contacts → | ||||
Exact match “Emirates Transformer & Switchgear Ltd.(ETS), established in 1987, is the pioneer manufacturer of transformers & switchgear in the United Arab Emirates.” Recorded in the RevenueBase company graph · Nov 2, 2026 · View company records in RevenueBase | |||||
| 15 | 102 contacts → | ||||
Exact match “Elprom Heavy Industries is a leading manufacturer of high-voltage equipment for the electric power industry.” Recorded in the RevenueBase company graph · Nov 2, 2026 · View company records in RevenueBase | |||||
| 16 | 99 contacts → | ||||
Exact match “Voltamp Energy is a public-listed engineering and technology group from the Sultanate of Oman.” Recorded in the RevenueBase company graph · Nov 2, 2026 · View company records in RevenueBase | |||||
| 17 | 92 contacts → | ||||
Exact match “In the proud legacy of Skoda engineering, ETD TRANSFORMÁTORY based in Pilsen, the Czech Republic, designs, manufactures, tests, transports, installs and commissions world class…” Recorded in the RevenueBase company graph · Nov 2, 2026 · View company records in RevenueBase | |||||
| 18 | 85 contacts → | ||||
Exact match “Welcome to Fortune Electric, a world class power transformer and switchgear manufacturer since 1969.” Recorded in the RevenueBase company graph · Nov 2, 2026 · View company records in RevenueBase | |||||
| 19 | 55 contacts → | ||||
Exact match “Easun MR (EMR) is an Indo-German joint venture between Easun Group and Maschinenfabrik Reinhausen GmbH,(MR), Germany.” Recorded in the RevenueBase company graph · Nov 2, 2026 · View company records in RevenueBase | |||||
| 20 | 52 contacts → | ||||
Exact match “Specialtrasfo engineers and manufactures custom designed oil immersed special transformers for industrial and power applications.” Recorded in the RevenueBase company graph · Nov 2, 2026 · View company records in RevenueBase | |||||
| 21 | 48 contacts → | ||||
Exact match “Established for over 100 years, Slaters Electricals Ltd are experts in LV and HV power distribution equipment, installation and support solutions.” Recorded in the RevenueBase company graph · Nov 2, 2026 · View company records in RevenueBase | |||||
| 22 | 48 contacts → | ||||
Exact match “TRANSFORMADORES CH es una empresa con más de 40 años de experiencia en la fabricación de transformadores y de subestaciones eléctricas, además de la prestación de servicios en el…” Recorded in the RevenueBase company graph · Nov 2, 2026 · View company records in RevenueBase | |||||
| 23 | 42 contacts → | ||||
Exact match “ELMAS, your trusted partner in the global transformer industry, delivering excellence for about 3 decades.” Recorded in the RevenueBase company graph · Nov 2, 2026 · View company records in RevenueBase | |||||
| 24 | 36 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 | |||||
| 25 | 33 contacts → | ||||
Exact match “LOS CONCE SAIMCIyF manufactures power transformers and reactors since 1976, designing and producing equipment up to 220 kV.” 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 “tap changing underload transformers 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 367 tap changing underload transformers suppliers worldwide
See the full list, filter by size, metro and specialty, and access 1,430 tracked professional contacts with verified work emails. Direct dials are available where recorded.
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Tap changing underload transformers suppliers worldwide at a glance
As of Nov 2, 2026Companies by employee count
Email recency is reported on each country list linked below.
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.
- Coverage
- Every country. Country and city lists for tap changing underload transformers suppliers are linked below.
- What qualifies
- Company records worldwide whose business descriptions match “tap changing underload 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. 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 1,430 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.
Tap changing underload transformers suppliers by location
2 lists · largest firstEvery Tap changing underload transformers suppliers list RevenueBase publishes, by country and city. Counts are matching companies in each list as of its own refresh date.
Countries
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 “tap changing underload transformers suppliers”; each Exact match badge shows search membership, not an individual similarity or quality score.
How many tap changing underload transformers suppliers are there worldwide?
RevenueBase identified 367 company matches for tap changing underload transformers suppliers worldwide 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?
Voltamp Transformers Limited tops the displayed preview by professional contacts tracked in RevenueBase. Recorded headquarters appear in the company rows.
Which country has the most tap changing underload transformers suppliers?
India leads with 84 companies, followed by the United States (47). Every tap changing underload transformers suppliers list by country and city is linked on this page.
Which city has the most tap changing underload transformers suppliers?
Pune leads with 9 company records, followed by Bangalore (8) and Ahmedabad (5).
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 1,430 professional contacts with verified work emails tracked across these 367 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 367 tap changing underload transformers suppliers worldwide. Start with a free account, no credit card.
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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.
More company lists
Company intelligence · public preview
Top 25 tap changing underload transformers suppliers worldwide
Find companies in any niche.
Describe the businesses you want in your own words. RevenueBase SmartSearch matches company descriptions by meaning.
RevenueBase records 367 matching company records for tap changing underload transformers suppliers worldwide, with 6,370 tracked contacts and 1,430 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 tap changing underload transformers suppliers worldwide
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 | Voltamp Transformers Limitedvoltamptransformers.com HQ: Vadodara, IndiaReported employees: 501-1,000 | Vadodara, India | 501-1,000 | Exact match | 460 contacts → |
“Voltamp Transformers Limited is a Oil filled Power, Distribution and Dry type Transformer manufacturing company based in Vadodara, Gujarat State in India since year 1967.The…” Recorded description excerpt · November 2, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 2 |  UTECutec.com.saHQ: Riyadh, Saudi ArabiaReported employees: 1,001-5,000 | Riyadh, Saudi Arabia | 1,001-5,000 | Exact match | 386 contacts → |
“Since 2001, UTEC has been Saudi Arabia's trusted partner for power transformers, substations, switchgear, and mission-critical electrical solutions.” Recorded description excerpt · November 2, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 3 | Maddox Industrial Transformermaddox.com HQ: Greer, SC, United StatesReported employees: 201-500 | Greer, SC, United States | 201-500 | Exact match | 306 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. | |||||
| 4 | Voltran Transformadores - Grupo WEGvoltran.com.mx HQ: Tizayuca, MexicoReported employees: 1,001-5,000 | Tizayuca, Mexico | 1,001-5,000 | Exact match | 291 contacts → |
“En VOLTRAN, nuestros equipos de Ingenieros y Técnicos, trabajan bajo los estándares más estrictos de calidad para diseñar, fabricar, reparar y poner en operación transformadores…” Recorded description excerpt · November 2, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 5 | Wilson Transformer Companywtc.com.au HQ: Glen Waverley, AustraliaReported employees: 501-1,000 | Glen Waverley, Australia | 501-1,000 | Exact match | 277 contacts → |
“THE TRANSFORMER SOLUTION SPECIALIST Established in 1933 with a proud history, Wilson Transformer Company is a leading specialist in the delivery of transformer solutions.” Recorded description excerpt · November 2, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 6 | Telawne Power Equipments PVT LTDtelawne.com HQ: Navi Mumbai, IndiaReported employees: 201-500 | Navi Mumbai, India | 201-500 | Exact match | 256 contacts → |
“We are a leading manufacturer of power transformers and other electronics.” Recorded description excerpt · November 2, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 7 |  TDM Service & Solutionstdm.energyHQ: Bragança Paulista, BrazilReported employees: 201-500 | Bragança Paulista, Brazil | 201-500 | Exact match | 225 contacts → |
“We have been in the market for over 20 years serving the main industrial and commercial markets, gaining prominent positions in the segments of Engineering, Commissioning of…” Recorded description excerpt · November 2, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 8 |  Sdmyerssdmyers.comHQ: Tallmadge, OH, United StatesReported employees: 201-500 | Tallmadge, OH, United States | 201-500 | Exact match | 200 contacts → |
“SDMyers is the industry leader in transformer and substation maintenance and electric power system reliability.” Recorded description excerpt · November 2, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 9 |  PTI Transformersptitransformers.comHQ: Regina, SK, CanadaReported employees: 201-500 | Regina, SK, Canada | 201-500 | Exact match | 193 contacts → |
“With experience manufacturing, repairing and servicing distribution equipment, Partner Technologies Inc.” Recorded description excerpt · November 2, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 10 | Pennsylvania Transformer Technology LLC PTTpatransformer.com HQ: Canonsburg, PA, United StatesReported employees: 201-500 | Canonsburg, PA, United States | 201-500 | Exact match | 190 contacts → |
“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 description excerpt · November 2, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 11 | Solomon Corporationsolomoncorp.com HQ: Solomon, KS, United StatesReported employees: 501-1,000 | Solomon, KS, United States | 501-1,000 | Exact match | 163 contacts → |
“Solomon Corporation buys, sells, repairs, recycles, and disposes of transformers, regulators and reclosers.” Recorded description excerpt · November 2, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 12 | GK Power Expertise PVT LTDgkexpertise.com HQ: Chennai, IndiaReported employees: 201-500 | Chennai, India | 201-500 | Exact match | 161 contacts → |
“GK EXPERTISE is a Leading Manufacture in Transmission & Distribution Equipment of Power Transformer, Current Transformer, OLTC, Control & Relay Panels, MV Switchgears, Lighting…” Recorded description excerpt · November 2, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 13 | Southwest Electric COswelectric.com HQ: Oklahoma City, OK, United StatesReported employees: 201-500 | Oklahoma City, OK, United States | 201-500 | Exact match | 151 contacts → |
“In 2025, Southwest Electric Co.” Recorded description excerpt · November 2, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 14 | Emirates Transformer And Switchgear LTDemiratestransformer.com HQ: Dubai, United Arab EmiratesReported employees: 501-1,000 | Dubai, United Arab Emirates | 501-1,000 | Exact match | 109 contacts → |
“Emirates Transformer & Switchgear Ltd.(ETS), established in 1987, is the pioneer manufacturer of transformers & switchgear in the United Arab Emirates.” Recorded description excerpt · November 2, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 15 | Elprom Heavy Industrieselpromgroup.com HQ: Sofia, BulgariaReported employees: 501-1,000 | Sofia, Bulgaria | 501-1,000 | Exact match | 102 contacts → |
“Elprom Heavy Industries is a leading manufacturer of high-voltage equipment for the electric power industry.” Recorded description excerpt · November 2, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 16 | Voltamp Energyvoltampoman.com HQ: Muscat, OmanReported employees: 5,001-10,000 | Muscat, Oman | 5,001-10,000 | Exact match | 99 contacts → |
“Voltamp Energy is a public-listed engineering and technology group from the Sultanate of Oman.” Recorded description excerpt · November 2, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 17 | ETD Transformatoryetd-bez.cz HQ: Pilsen 3, Czech RepublicReported employees: 201-500 | Pilsen 3, Czech Republic | 201-500 | Exact match | 92 contacts → |
“In the proud legacy of Skoda engineering, ETD TRANSFORMÁTORY based in Pilsen, the Czech Republic, designs, manufactures, tests, transports, installs and commissions world class…” Recorded description excerpt · November 2, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 18 | Fortune Electricfortune.com.tw HQ: Torrance, CA, United StatesReported employees: 1,001-5,000 | Torrance, CA, United States | 1,001-5,000 | Exact match | 85 contacts → |
“Welcome to Fortune Electric, a world class power transformer and switchgear manufacturer since 1969.” Recorded description excerpt · November 2, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 19 | Easun MR TAP Changers Private Limitedeasunmr.com HQ: Chennai, IndiaReported employees: 201-500 | Chennai, India | 201-500 | Exact match | 55 contacts → |
“Easun MR (EMR) is an Indo-German joint venture between Easun Group and Maschinenfabrik Reinhausen GmbH,(MR), Germany.” Recorded description excerpt · November 2, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 20 | Specialtrasfo S.P.Aspecialtrasfo.com HQ: Agrate Brianza, ItalyReported employees: 51-200 | Agrate Brianza, Italy | 51-200 | Exact match | 52 contacts → |
“Specialtrasfo engineers and manufactures custom designed oil immersed special transformers for industrial and power applications.” Recorded description excerpt · November 2, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 21 | Slaters Electricalsslaters-electricals.com HQ: Tollbridge Road, United KingdomReported employees: 51-200 | Tollbridge Road, United Kingdom | 51-200 | Exact match | 48 contacts → |
“Established for over 100 years, Slaters Electricals Ltd are experts in LV and HV power distribution equipment, installation and support solutions.” Recorded description excerpt · November 2, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 22 | Transformadores CH S.Atransformadores.net HQ: Santiago, ChileReported employees: 51-200 | Santiago, Chile | 51-200 | Exact match | 48 contacts → |
“TRANSFORMADORES CH es una empresa con más de 40 años de experiencia en la fabricación de transformadores y de subestaciones eléctricas, además de la prestación de servicios en el…” Recorded description excerpt · November 2, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 23 | Elmas Magnetics Pvt. LTDelmas.co.in HQ: Hyderabad, IndiaReported employees: 201-500 | Hyderabad, India | 201-500 | Exact match | 42 contacts → |
“ELMAS, your trusted partner in the global transformer industry, delivering excellence for about 3 decades.” Recorded description excerpt · November 2, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 24 | T & R Electric Supply Co., INCtrelectric.com HQ: Colman, SD, United StatesReported employees: 51-200 | Colman, SD, United States | 51-200 | Exact match | 36 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. | |||||
| 25 | LOS Concelosconce.com.ar HQ: Monte Grande, ArgentinaReported employees: 51-200 | Monte Grande, Argentina | 51-200 | Exact match | 33 contacts → |
“LOS CONCE SAIMCIyF manufactures power transformers and reactors since 1976, designing and producing equipment up to 220 kV.” Recorded description excerpt · November 2, 2026Open company data in RevenueBase ↗Free signup required. | |||||
Showing 25 of 367 company matches
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Tap changing underload transformers 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
360 records in the displayed employee bands.
7 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 across the whole country list rather than for Worldwide, so it is reported there. Company counts and contact totals on this page are exact for Worldwide, over 367 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 ↗
Tap changing underload transformers suppliers by location
2 lists · largest firstEvery Tap changing underload transformers suppliers list RevenueBase publishes, by country and city. Counts are matching companies in each list as of its own refresh date.
Countries
Questions about this company list
What does Exact match mean for tap changing underload transformers 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 tap changing underload transformers suppliers did RevenueBase find worldwide?
The saved snapshot records 367 matching company records, 6,370 tracked contacts and 1,430 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.
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Cite this list
RevenueBase Data Team. Top 25 tap changing underload transformers suppliers worldwide. Snapshot: November 2, 2026. https://revenuebase.ai/companies/browse/tap-changing-underload-transformers-suppliers.
This is a selected public preview of saved company records, rather than an independently verified census. Open the source page ↗
More company lists
Company intelligence · public preview
Top 25 tap changing underload transformers suppliers worldwide
RevenueBase records 367 matching company records for tap changing underload transformers suppliers worldwide, with 6,370 tracked contacts and 1,430 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 tap changing underload transformers suppliers worldwide
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 | Voltamp Transformers Limitedvoltamptransformers.com HQ: Vadodara, IndiaReported employees: 501-1,000 | Vadodara, India | 501-1,000 | Exact match | 460 contacts → |
“Voltamp Transformers Limited is a Oil filled Power, Distribution and Dry type Transformer manufacturing company based in Vadodara, Gujarat State in India since year 1967.The…” Recorded description excerpt · November 2, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 2 | UTECutec.com.sa HQ: Riyadh, Saudi ArabiaReported employees: 1,001-5,000 | Riyadh, Saudi Arabia | 1,001-5,000 | Exact match | 386 contacts → |
“Since 2001, UTEC has been Saudi Arabia's trusted partner for power transformers, substations, switchgear, and mission-critical electrical solutions.” Recorded description excerpt · November 2, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 3 | Maddox Industrial Transformermaddox.com HQ: Greer, SC, United StatesReported employees: 201-500 | Greer, SC, United States | 201-500 | Exact match | 306 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. | |||||
| 4 | Voltran Transformadores - Grupo WEGvoltran.com.mx HQ: Tizayuca, MexicoReported employees: 1,001-5,000 | Tizayuca, Mexico | 1,001-5,000 | Exact match | 291 contacts → |
“En VOLTRAN, nuestros equipos de Ingenieros y Técnicos, trabajan bajo los estándares más estrictos de calidad para diseñar, fabricar, reparar y poner en operación transformadores…” Recorded description excerpt · November 2, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 5 | Wilson Transformer Companywtc.com.au HQ: Glen Waverley, AustraliaReported employees: 501-1,000 | Glen Waverley, Australia | 501-1,000 | Exact match | 277 contacts → |
“THE TRANSFORMER SOLUTION SPECIALIST Established in 1933 with a proud history, Wilson Transformer Company is a leading specialist in the delivery of transformer solutions.” Recorded description excerpt · November 2, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 6 | Telawne Power Equipments PVT LTDtelawne.com HQ: Navi Mumbai, IndiaReported employees: 201-500 | Navi Mumbai, India | 201-500 | Exact match | 256 contacts → |
“We are a leading manufacturer of power transformers and other electronics.” Recorded description excerpt · November 2, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 7 | TDM Service & Solutionstdm.energy HQ: Bragança Paulista, BrazilReported employees: 201-500 | Bragança Paulista, Brazil | 201-500 | Exact match | 225 contacts → |
“We have been in the market for over 20 years serving the main industrial and commercial markets, gaining prominent positions in the segments of Engineering, Commissioning of…” Recorded description excerpt · November 2, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 8 | Sdmyerssdmyers.com HQ: Tallmadge, OH, United StatesReported employees: 201-500 | Tallmadge, OH, United States | 201-500 | Exact match | 200 contacts → |
“SDMyers is the industry leader in transformer and substation maintenance and electric power system reliability.” Recorded description excerpt · November 2, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 9 | PTI Transformersptitransformers.com HQ: Regina, SK, CanadaReported employees: 201-500 | Regina, SK, Canada | 201-500 | Exact match | 193 contacts → |
“With experience manufacturing, repairing and servicing distribution equipment, Partner Technologies Inc.” Recorded description excerpt · November 2, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 10 | Pennsylvania Transformer Technology LLC PTTpatransformer.com HQ: Canonsburg, PA, United StatesReported employees: 201-500 | Canonsburg, PA, United States | 201-500 | Exact match | 190 contacts → |
“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 description excerpt · November 2, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 11 | Solomon Corporationsolomoncorp.com HQ: Solomon, KS, United StatesReported employees: 501-1,000 | Solomon, KS, United States | 501-1,000 | Exact match | 163 contacts → |
“Solomon Corporation buys, sells, repairs, recycles, and disposes of transformers, regulators and reclosers.” Recorded description excerpt · November 2, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 12 | GK Power Expertise PVT LTDgkexpertise.com HQ: Chennai, IndiaReported employees: 201-500 | Chennai, India | 201-500 | Exact match | 161 contacts → |
“GK EXPERTISE is a Leading Manufacture in Transmission & Distribution Equipment of Power Transformer, Current Transformer, OLTC, Control & Relay Panels, MV Switchgears, Lighting…” Recorded description excerpt · November 2, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 13 | Southwest Electric COswelectric.com HQ: Oklahoma City, OK, United StatesReported employees: 201-500 | Oklahoma City, OK, United States | 201-500 | Exact match | 151 contacts → |
“In 2025, Southwest Electric Co.” Recorded description excerpt · November 2, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 14 | Emirates Transformer And Switchgear LTDemiratestransformer.com HQ: Dubai, United Arab EmiratesReported employees: 501-1,000 | Dubai, United Arab Emirates | 501-1,000 | Exact match | 109 contacts → |
“Emirates Transformer & Switchgear Ltd.(ETS), established in 1987, is the pioneer manufacturer of transformers & switchgear in the United Arab Emirates.” Recorded description excerpt · November 2, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 15 | Elprom Heavy Industrieselpromgroup.com HQ: Sofia, BulgariaReported employees: 501-1,000 | Sofia, Bulgaria | 501-1,000 | Exact match | 102 contacts → |
“Elprom Heavy Industries is a leading manufacturer of high-voltage equipment for the electric power industry.” Recorded description excerpt · November 2, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 16 | Voltamp Energyvoltampoman.com HQ: Muscat, OmanReported employees: 5,001-10,000 | Muscat, Oman | 5,001-10,000 | Exact match | 99 contacts → |
“Voltamp Energy is a public-listed engineering and technology group from the Sultanate of Oman.” Recorded description excerpt · November 2, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 17 | ETD Transformatoryetd-bez.cz HQ: Pilsen 3, Czech RepublicReported employees: 201-500 | Pilsen 3, Czech Republic | 201-500 | Exact match | 92 contacts → |
“In the proud legacy of Skoda engineering, ETD TRANSFORMÁTORY based in Pilsen, the Czech Republic, designs, manufactures, tests, transports, installs and commissions world class…” Recorded description excerpt · November 2, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 18 | Fortune Electricfortune.com.tw HQ: Torrance, CA, United StatesReported employees: 1,001-5,000 | Torrance, CA, United States | 1,001-5,000 | Exact match | 85 contacts → |
“Welcome to Fortune Electric, a world class power transformer and switchgear manufacturer since 1969.” Recorded description excerpt · November 2, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 19 | Easun MR TAP Changers Private Limitedeasunmr.com HQ: Chennai, IndiaReported employees: 201-500 | Chennai, India | 201-500 | Exact match | 55 contacts → |
“Easun MR (EMR) is an Indo-German joint venture between Easun Group and Maschinenfabrik Reinhausen GmbH,(MR), Germany.” Recorded description excerpt · November 2, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 20 | Specialtrasfo S.P.Aspecialtrasfo.com HQ: Agrate Brianza, ItalyReported employees: 51-200 | Agrate Brianza, Italy | 51-200 | Exact match | 52 contacts → |
“Specialtrasfo engineers and manufactures custom designed oil immersed special transformers for industrial and power applications.” Recorded description excerpt · November 2, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 21 | Slaters Electricalsslaters-electricals.com HQ: Tollbridge Road, United KingdomReported employees: 51-200 | Tollbridge Road, United Kingdom | 51-200 | Exact match | 48 contacts → |
“Established for over 100 years, Slaters Electricals Ltd are experts in LV and HV power distribution equipment, installation and support solutions.” Recorded description excerpt · November 2, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 22 | Transformadores CH S.Atransformadores.net HQ: Santiago, ChileReported employees: 51-200 | Santiago, Chile | 51-200 | Exact match | 48 contacts → |
“TRANSFORMADORES CH es una empresa con más de 40 años de experiencia en la fabricación de transformadores y de subestaciones eléctricas, además de la prestación de servicios en el…” Recorded description excerpt · November 2, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 23 | Elmas Magnetics Pvt. LTDelmas.co.in HQ: Hyderabad, IndiaReported employees: 201-500 | Hyderabad, India | 201-500 | Exact match | 42 contacts → |
“ELMAS, your trusted partner in the global transformer industry, delivering excellence for about 3 decades.” Recorded description excerpt · November 2, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 24 | T & R Electric Supply Co., INCtrelectric.com HQ: Colman, SD, United StatesReported employees: 51-200 | Colman, SD, United States | 51-200 | Exact match | 36 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. | |||||
| 25 | LOS Concelosconce.com.ar HQ: Monte Grande, ArgentinaReported employees: 51-200 | Monte Grande, Argentina | 51-200 | Exact match | 33 contacts → |
“LOS CONCE SAIMCIyF manufactures power transformers and reactors since 1976, designing and producing equipment up to 220 kV.” Recorded description excerpt · November 2, 2026Open company data in RevenueBase ↗Free signup required. | |||||
Showing 25 of 367 company matches
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Tap changing underload transformers 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
360 records in the displayed employee bands.
7 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 across the whole country list rather than for Worldwide, so it is reported there. Company counts and contact totals on this page are exact for Worldwide, over 367 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 ↗
Tap changing underload transformers suppliers by location
2 lists · largest firstEvery Tap changing underload transformers suppliers list RevenueBase publishes, by country and city. Counts are matching companies in each list as of its own refresh date.
Countries
Questions about this company list
What does Exact match mean for tap changing underload transformers 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 tap changing underload transformers suppliers did RevenueBase find worldwide?
The saved snapshot records 367 matching company records, 6,370 tracked contacts and 1,430 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
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Cite this list
RevenueBase Data Team. Top 25 tap changing underload transformers suppliers worldwide. Snapshot: November 2, 2026. https://revenuebase.ai/companies/browse/tap-changing-underload-transformers-suppliers.
This is a selected public preview of saved company records, rather than an independently verified census. Open the source page ↗