Company lists · Data refreshed November 2026
Top 25 Tap changer suppliers worldwide
RevenueBase identified 281 company matches for tap changer suppliers worldwide as of November 2026 and tracks 8,290 professional contacts across them, including 2,052 with verified work emails. India is the largest market and Bangalore the largest hub.
This list covers company matches for tap changer 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 changer 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 changer suppliers worldwide
Ranked by team size| # | Company | Contacts | |||
|---|---|---|---|---|---|
| 1 | 961 contacts → | ||||
Exact match “Astor Enerji is an innovative company leading the electromechanical manufacturing industry sector by manufacturing and selling transformers with its knowledge of nearly 40 years…” Recorded in the RevenueBase company graph · Nov 2, 2026 · View company records in RevenueBase | |||||
| 2 | 927 contacts → | ||||
Exact match “Vijai Electricals Ltd.” Recorded in the RevenueBase company graph · Nov 2, 2026 · View company records in RevenueBase | |||||
| 3 | 780 contacts → | ||||
Exact match “BEST Transformer, founded in 1966 in Balıkesir, produces oil-immersed distribution transformers, power transformers, cast resin dry-type transformers, reactors, and mechanical…” Recorded in the RevenueBase company graph · Nov 2, 2026 · View company records in RevenueBase | |||||
| 4 | 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 | |||||
| 5 | 458 contacts → | ||||
Exact match Recorded description not available. Recorded in the RevenueBase company graph · Nov 2, 2026 · View company records in RevenueBase | |||||
| 6 | 314 contacts → | ||||
Exact match “Welcome to the SGB-SMIT Group, the pure-play transformer specialist from Europe with the highest customer dedication.” Recorded in the RevenueBase company graph · Nov 2, 2026 · View company records in RevenueBase | |||||
| 7 | 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 | |||||
| 8 | 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 | |||||
| 9 | 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 | |||||
| 10 | 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 | |||||
| 11 | 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 | |||||
| 12 | 173 contacts → | ||||
Exact match “Semar Srl, with more than 600 employees, is a leading manufacturer of electronic and electromechanical products.” Recorded in the RevenueBase company graph · Nov 2, 2026 · View company records in RevenueBase | |||||
| 13 | 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 | |||||
| 14 | 151 contacts → | ||||
Exact match “In 2025, Southwest Electric Co.” Recorded in the RevenueBase company graph · Nov 2, 2026 · View company records in RevenueBase | |||||
| 15 | 131 contacts → | ||||
Exact match Recorded description not available. Recorded in the RevenueBase company graph · Nov 2, 2026 · View company records in RevenueBase | |||||
| 16 | 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 | |||||
| 17 | 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 | |||||
| 18 | 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 | |||||
| 19 | 98 contacts → | ||||
Exact match “Rymel is a construction company based out of Copacabana - Antioquia, Colombia.” Recorded in the RevenueBase company graph · Nov 2, 2026 · View company records in RevenueBase | |||||
| 20 | 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 | |||||
| 21 | 66 contacts → | ||||
Exact match “Born, and still managed with passion and foresight by Tironi family, ELETTROMECCANICA TIRONI is among the first European manufacturers of Power and Distribution Transformers…” Recorded in the RevenueBase company graph · Nov 2, 2026 · View company records in RevenueBase | |||||
| 22 | 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 | |||||
| 23 | 52 contacts → | ||||
Exact match “Wholly owned subsidiary of Reinhausen GmbH (MR), a world leading manufacturer of tap-changer equipment for power transformers located in Regensburg, Germany, serves as a regional…” Recorded in the RevenueBase company graph · Nov 2, 2026 · View company records in RevenueBase | |||||
| 24 | 48 contacts → | ||||
Exact match “STD Transformer is manufacturing its own transformers in accordance with IEC 60076 and TS 267 standards, and it has ISO 9001,ISO 14001 Quality system managment.” Recorded in the RevenueBase company graph · Nov 2, 2026 · View company records in RevenueBase | |||||
| 25 | 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 | |||||
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 changer 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 281 tap changer suppliers worldwide
See the full list, filter by size, metro and specialty, and access 2,052 tracked professional contacts with verified work emails. Direct dials are available where recorded.
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Tap changer 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 changer suppliers are linked below.
- What qualifies
- Company records worldwide whose business descriptions match “tap changer 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 2,052 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 changer suppliers by location
2 lists · largest firstEvery Tap changer 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 changer suppliers”; each Exact match badge shows search membership, not an individual similarity or quality score.
How many tap changer suppliers are there worldwide?
RevenueBase identified 281 company matches for tap changer 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?
Astor A.Ş tops the displayed preview by professional contacts tracked in RevenueBase. Recorded headquarters appear in the company rows.
Which country has the most tap changer suppliers?
India leads with 72 companies, followed by the United States (26). Every tap changer suppliers list by country and city is linked on this page.
Which city has the most tap changer suppliers?
Bangalore leads with 6 company records, followed by Chennai (5) and Delhi (4).
How do I get contact information for these companies?
A free RevenueBase account lets you run this exact search and work limited free results with 500 credits to start. Upgrading provides access to the 2,052 professional contacts with verified work emails tracked across these 281 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 281 tap changer 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 changer 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 281 matching company records for tap changer suppliers worldwide, with 8,290 tracked contacts and 2,052 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 changer 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 |  Astor A.Şastoras.com.trHQ: Ankara, TürkiyeReported employees: 1,001-5,000 | Ankara, Türkiye | 1,001-5,000 | Exact match | 961 contacts → |
“Astor Enerji is an innovative company leading the electromechanical manufacturing industry sector by manufacturing and selling transformers with its knowledge of nearly 40 years…” Recorded description excerpt · November 2, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 2 | Vijai Electricals Limited, Hyderabadvijaielectricals.com HQ: Hyderabad, IndiaReported employees: 5,001-10,000 | Hyderabad, India | 5,001-10,000 | Exact match | 927 contacts → |
“Vijai Electricals Ltd.” Recorded description excerpt · November 2, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 3 | Best Transformerbesttransformer.com HQ: Balıkesir, TürkiyeReported employees: 1,001-5,000 | Balıkesir, Türkiye | 1,001-5,000 | Exact match | 780 contacts → |
“BEST Transformer, founded in 1966 in Balıkesir, produces oil-immersed distribution transformers, power transformers, cast resin dry-type transformers, reactors, and mechanical…” Recorded description excerpt · November 2, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 4 | 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. | |||||
| 5 | Royal Smit Transformers B.Vwerkenbij.sgb-smit.group HQ: Nijmegen, NetherlandsReported employees: 501-1,000 | Nijmegen, Netherlands | 501-1,000 | Exact match | 458 contacts → |
No recorded description excerpt is available for this public record. | |||||
| 6 | Sgb-Smit Groupsgb-smit.com HQ: Regensburg, GermanyReported employees: 1,001-5,000 | Regensburg, Germany | 1,001-5,000 | Exact match | 314 contacts → |
“Welcome to the SGB-SMIT Group, the pure-play transformer specialist from Europe with the highest customer dedication.” Recorded description excerpt · November 2, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 7 | 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. | |||||
| 8 | 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. | |||||
| 9 | 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. | |||||
| 10 |  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. | |||||
| 11 | 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. | |||||
| 12 | SEMARsemar.com HQ: Castelfidardo, ItalyReported employees: 501-1,000 | Castelfidardo, Italy | 501-1,000 | Exact match | 173 contacts → |
“Semar Srl, with more than 600 employees, is a leading manufacturer of electronic and electromechanical products.” Recorded description excerpt · November 2, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 13 | 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. | |||||
| 14 | 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. | |||||
| 15 | Indo Tech Transformers LTDindo-tech.com HQ: Illuppapattu Village, IndiaReported employees: 201-500 | Illuppapattu Village, India | 201-500 | Exact match | 131 contacts → |
No recorded description excerpt is available for this public record. | |||||
| 16 | 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. | |||||
| 17 | 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. | |||||
| 18 | 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. | |||||
| 19 | Rymel SASrymel.com.co HQ: Copacabana - Antioquia, United StatesReported employees: 201-500 | Copacabana - Antioquia, United States | 201-500 | Exact match | 98 contacts → |
“Rymel is a construction company based out of Copacabana - Antioquia, Colombia.” Recorded description excerpt · November 2, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 20 | 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. | |||||
| 21 | Elettromeccanica Tironitironi.com HQ: Modena, ItalyReported employees: 51-200 | Modena, Italy | 51-200 | Exact match | 66 contacts → |
“Born, and still managed with passion and foresight by Tironi family, ELETTROMECCANICA TIRONI is among the first European manufacturers of Power and Distribution Transformers…” Recorded description excerpt · November 2, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 22 | 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. | |||||
| 23 | Reinhausen Asia-Pacificreinhausen.com HQ: Kuala Lumpur, MalaysiaReported employees: 11-50 | Kuala Lumpur, Malaysia | 11-50 | Exact match | 52 contacts → |
“Wholly owned subsidiary of Reinhausen GmbH (MR), a world leading manufacturer of tap-changer equipment for power transformers located in Regensburg, Germany, serves as a regional…” Recorded description excerpt · November 2, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 24 | STD Transformatörstdtransformer.com HQ: Adana, TürkiyeReported employees: 51-200 | Adana, Türkiye | 51-200 | Exact match | 48 contacts → |
“STD Transformer is manufacturing its own transformers in accordance with IEC 60076 and TS 267 standards, and it has ISO 9001,ISO 14001 Quality system managment.” Recorded description excerpt · November 2, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 25 | 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. | |||||
Showing 25 of 281 company matches
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Tap changer 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
277 records in the displayed employee bands.
4 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 281 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 changer suppliers by location
2 lists · largest firstEvery Tap changer 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 changer 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 changer suppliers did RevenueBase find worldwide?
The saved snapshot records 281 matching company records, 8,290 tracked contacts and 2,052 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
Browse the directory
Cite this list
RevenueBase Data Team. Top 25 tap changer suppliers worldwide. Snapshot: November 2, 2026. https://revenuebase.ai/companies/browse/tap-changer-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 changer suppliers worldwide
RevenueBase records 281 matching company records for tap changer suppliers worldwide, with 8,290 tracked contacts and 2,052 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 changer 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 | Astor A.Şastoras.com.tr HQ: Ankara, TürkiyeReported employees: 1,001-5,000 | Ankara, Türkiye | 1,001-5,000 | Exact match | 961 contacts → |
“Astor Enerji is an innovative company leading the electromechanical manufacturing industry sector by manufacturing and selling transformers with its knowledge of nearly 40 years…” Recorded description excerpt · November 2, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 2 | Vijai Electricals Limited, Hyderabadvijaielectricals.com HQ: Hyderabad, IndiaReported employees: 5,001-10,000 | Hyderabad, India | 5,001-10,000 | Exact match | 927 contacts → |
“Vijai Electricals Ltd.” Recorded description excerpt · November 2, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 3 | Best Transformerbesttransformer.com HQ: Balıkesir, TürkiyeReported employees: 1,001-5,000 | Balıkesir, Türkiye | 1,001-5,000 | Exact match | 780 contacts → |
“BEST Transformer, founded in 1966 in Balıkesir, produces oil-immersed distribution transformers, power transformers, cast resin dry-type transformers, reactors, and mechanical…” Recorded description excerpt · November 2, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 4 | 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. | |||||
| 5 | Royal Smit Transformers B.Vwerkenbij.sgb-smit.group HQ: Nijmegen, NetherlandsReported employees: 501-1,000 | Nijmegen, Netherlands | 501-1,000 | Exact match | 458 contacts → |
No recorded description excerpt is available for this public record. | |||||
| 6 | Sgb-Smit Groupsgb-smit.com HQ: Regensburg, GermanyReported employees: 1,001-5,000 | Regensburg, Germany | 1,001-5,000 | Exact match | 314 contacts → |
“Welcome to the SGB-SMIT Group, the pure-play transformer specialist from Europe with the highest customer dedication.” Recorded description excerpt · November 2, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 7 | 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. | |||||
| 8 | 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. | |||||
| 9 | 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. | |||||
| 10 | 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. | |||||
| 11 | 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. | |||||
| 12 | SEMARsemar.com HQ: Castelfidardo, ItalyReported employees: 501-1,000 | Castelfidardo, Italy | 501-1,000 | Exact match | 173 contacts → |
“Semar Srl, with more than 600 employees, is a leading manufacturer of electronic and electromechanical products.” Recorded description excerpt · November 2, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 13 | 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. | |||||
| 14 | 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. | |||||
| 15 | Indo Tech Transformers LTDindo-tech.com HQ: Illuppapattu Village, IndiaReported employees: 201-500 | Illuppapattu Village, India | 201-500 | Exact match | 131 contacts → |
No recorded description excerpt is available for this public record. | |||||
| 16 | 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. | |||||
| 17 | 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. | |||||
| 18 | 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. | |||||
| 19 | Rymel SASrymel.com.co HQ: Copacabana - Antioquia, United StatesReported employees: 201-500 | Copacabana - Antioquia, United States | 201-500 | Exact match | 98 contacts → |
“Rymel is a construction company based out of Copacabana - Antioquia, Colombia.” Recorded description excerpt · November 2, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 20 | 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. | |||||
| 21 | Elettromeccanica Tironitironi.com HQ: Modena, ItalyReported employees: 51-200 | Modena, Italy | 51-200 | Exact match | 66 contacts → |
“Born, and still managed with passion and foresight by Tironi family, ELETTROMECCANICA TIRONI is among the first European manufacturers of Power and Distribution Transformers…” Recorded description excerpt · November 2, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 22 | 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. | |||||
| 23 | Reinhausen Asia-Pacificreinhausen.com HQ: Kuala Lumpur, MalaysiaReported employees: 11-50 | Kuala Lumpur, Malaysia | 11-50 | Exact match | 52 contacts → |
“Wholly owned subsidiary of Reinhausen GmbH (MR), a world leading manufacturer of tap-changer equipment for power transformers located in Regensburg, Germany, serves as a regional…” Recorded description excerpt · November 2, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 24 | STD Transformatörstdtransformer.com HQ: Adana, TürkiyeReported employees: 51-200 | Adana, Türkiye | 51-200 | Exact match | 48 contacts → |
“STD Transformer is manufacturing its own transformers in accordance with IEC 60076 and TS 267 standards, and it has ISO 9001,ISO 14001 Quality system managment.” Recorded description excerpt · November 2, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 25 | 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. | |||||
Showing 25 of 281 company matches
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Tap changer 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
277 records in the displayed employee bands.
4 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 281 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 changer suppliers by location
2 lists · largest firstEvery Tap changer 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 changer 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 changer suppliers did RevenueBase find worldwide?
The saved snapshot records 281 matching company records, 8,290 tracked contacts and 2,052 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 changer suppliers worldwide. Snapshot: November 2, 2026. https://revenuebase.ai/companies/browse/tap-changer-suppliers.
This is a selected public preview of saved company records, rather than an independently verified census. Open the source page ↗