Company lists · Data refreshed November 2026
Top 25 Transformer maintenance contractors worldwide
RevenueBase identified 6,675 company matches for transformer maintenance contractors worldwide as of November 2026 and tracks 83,502 professional contacts across them, including 16,014 with verified work emails. The United States is the largest market and Sao Paulo the largest hub.
This list covers company matches for transformer maintenance contractors 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 6, 2026. Country and city lists for transformer maintenance contractors 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 transformer maintenance contractors worldwide
Ranked by team size| # | Company | Contacts | |||
|---|---|---|---|---|---|
| 1 | 2,035 contacts → | ||||
Exact match “Dietsmann is the leading independent specialist in Operation & Maintenance services for continuous-production plant in the oil & gas and power industries with over 40 years of…” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase | |||||
| 2 | 1,973 contacts → | ||||
Exact match “A RCS é uma empresa de Engenharia especializada em oferecer serviços técnicos de missão crítica com alta tecnologia aplicada, para clientes que necessitam manter suas atividades…” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase | |||||
| 3 | 1,929 contacts → | ||||
Exact match “A Engelmig foi fundada em 1985 com o objetivo de prestar serviços de engenharia em redes de distribuição de energia elétrica.” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase | |||||
| 4 | 1,324 contacts → | ||||
Exact match “Shermco Industries is a provider of safe, reliable testing, repair, professional training, electrical outage planning, maintenance and analysis of rotating apparatus and…” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase | |||||
| 5 | 1,209 contacts → | ||||
Exact match “Empresa de Montagem e Manutenção Industrial” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase | |||||
| 6 | 952 contacts → | ||||
Exact match “Vijai Electricals Ltd.” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase | |||||
| 7 | 786 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 6, 2026 · View company records in RevenueBase | |||||
| 8 | 758 contacts → | ||||
Exact match “Established in 1982 by Sayed Hamid Behbehani & Sons, Kuwait.* First Kuwaiti company to be awarded with ISO 9001 back in 1995 by DNV.* Company certified for ISO/TS 29001:2010…” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase | |||||
| 9 | 755 contacts → | ||||
Exact match “In the year 2002, realizing the need for Specialized Refurbishment, Repairs, & Maintenance Services of Oil Industries, Commercial and Residential Complexes.” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase | |||||
| 10 | 739 contacts → | ||||
Exact match “HPC Industrial, a Clean Harbors business, is the leading provider of specialty maintenance services and technology solutions to the critical energy infrastructure in the United…” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase | |||||
| 11 | 718 contacts → | ||||
Exact match “The DATA Engenharia is installed in a green area of m2, with m2 of constructed area, in the municipality of Sarzedo (industrial region in the vicinity of Belo Horizonte / MG).” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase | |||||
| 12 | 664 contacts → | ||||
Exact match “Desde 1978 atuando na execução de Instalações Elétricas e Hidráulicas, a Temon conseguiu firmar sua marca nesse mercado com participação em mais de obras por todo Brasil e…” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase | |||||
| 13 | 632 contacts → | ||||
Exact match “Transformer & Rectifier (India) Limited (TARIL) is one of India’s leading transformer manufacturers, with over four decades of engineering excellence and a strong global presence.” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase | |||||
| 14 | 592 contacts → | ||||
Exact match “Tata Consultancy Service(TCS) Plumbing / Remodeling / Repair / Maintenance of residential electrical wiring maintenance services, electrical panel maintenance & lighting…” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase | |||||
| 15 | 590 contacts → | ||||
Exact match “RESA Power is your ONE-STOP for all of your power needs.” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase | |||||
| 16 | 508 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 6, 2026 · View company records in RevenueBase | |||||
| 17 | 478 contacts → | ||||
Exact match “Empresa de referencia del Grupo Cobra especializada en diseño, ingeniería, instalaciones y montajes mecánicos y eléctricos y mantenimiento industrial.” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase | |||||
| 18 | 466 contacts → | ||||
Exact match Recorded description not available. Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase | |||||
| 19 | 456 contacts → | ||||
Exact match “Quartzelec is a leading independent electrical engineering group delivering solutions and services in both UK and global markets.” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase | |||||
| 20 | 443 contacts → | ||||
Exact match “CONTRATOS DE MANUTENÇÃO A Tereme oferece a seus clientes soluções de manutenção global ou parcial dos equipamentos e instalações elétricas de uma planta industrial.” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase | |||||
| 21 | 431 contacts → | ||||
Exact match “Empresa de Ingeniería y Servicios en el area de la Ingenieria Electrica e Industrial.” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase | |||||
| 22 | 429 contacts → | ||||
Exact match “Concentric is the first national industrial power services organization delivering forklift and critical power as well as maintenance solutions that ensure uninterrupted…” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase | |||||
| 23 | 407 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 6, 2026 · View company records in RevenueBase | |||||
| 24 | 355 contacts → | ||||
Exact match “Delivering confidence for over 40 years.” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase | |||||
| 25 | 348 contacts → | ||||
Exact match “RMS Energy leads the industry by energizing the future through reliable power solutions, offering comprehensive installation and maintenance services on 480V to 765kV electrical…” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase | |||||
RevenueBase SmartSearch
Describe a niche business in your own words. RevenueBase SmartSearch compares the meaning of your description with company business descriptions compiled in the RevenueBase company graph. Exact, Similar, Related and Broad control how closely companies must fit.
This list uses Exact for “transformer maintenance contractors”. 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 6,675 transformer maintenance contractors worldwide
See the full list, filter by size, metro and specialty, and access 16,014 tracked professional contacts with verified work emails. Direct dials are available where recorded.
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Transformer maintenance contractors worldwide at a glance
As of Nov 6, 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 transformer maintenance contractors are linked below.
- What qualifies
- Company records worldwide whose business descriptions match “transformer maintenance contractors” 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 16,014 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 6, 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.
Transformer maintenance contractors by location
26 lists · largest firstEvery Transformer maintenance contractors list RevenueBase publishes, by country and city. Counts are matching companies in each list as of its own refresh date.
Countries
- Transformer maintenance contractors based in the United States987
- Transformer maintenance contractors based in Brazil768
- Transformer maintenance contractors based in India552
- Transformer maintenance contractors based in Italy387
- Transformer maintenance contractors based in the United Kingdom299
- Transformer maintenance contractors based in France231
- Transformer maintenance contractors based in Mexico200
- Transformer maintenance contractors based in Canada170
- Transformer maintenance contractors based in Türkiye167
- Transformer maintenance contractors based in Australia165
- Transformer maintenance contractors based in Spain153
- Transformer maintenance contractors based in Germany138
- Transformer maintenance contractors based in Chile118
- Transformer maintenance contractors based in South Africa101
- Transformer maintenance contractors based in Peru100
- Transformer maintenance contractors based in Colombia87
- Transformer maintenance contractors based in the United Arab Emirates75
- Transformer maintenance contractors based in Argentina74
- Transformer maintenance contractors based in the Netherlands68
- Transformer maintenance contractors based in Saudi Arabia67
- Transformer maintenance contractors based in Poland49
- Transformer maintenance contractors based in Switzerland41
- Transformer maintenance contractors based in Belgium33
- Transformer maintenance contractors based in Portugal33
- Transformer maintenance contractors based in New Zealand30
Cities
Frequently asked
What is RevenueBase SmartSearch?
RevenueBase SmartSearch finds niche companies by the meaning of their business descriptions in the RevenueBase company graph. Exact, Similar, Related and Broad control how closely companies must fit your description. This list uses Exact for “transformer maintenance contractors”; each Exact match badge shows search membership, not an individual similarity or quality score.
How many transformer maintenance contractors are there worldwide?
RevenueBase identified 6,675 company matches for transformer maintenance contractors 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?
Dietsmann tops the displayed preview by professional contacts tracked in RevenueBase. Recorded headquarters appear in the company rows.
Which country has the most transformer maintenance contractors?
The United States leads with 987 companies, followed by Brazil (768) and India (552). Every transformer maintenance contractors list by country and city is linked on this page.
Which city has the most transformer maintenance contractors?
Sao Paulo leads with 77 company records, followed by Lima (49) and Pune (37).
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 16,014 professional contacts with verified work emails tracked across these 6,675 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 6, 2026.
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About this data
RevenueBase is a B2B data infrastructure company. Its company graph covers 60 million companies and 398.9 million professional contacts, with emails verified on a rolling cadence rather than scraped once and left to decay. These company lists are generated directly from that graph with RevenueBase SmartSearch, the same natural-language company search every RevenueBase user has: describe a market in plain words, get the companies that match, and add verified emails and direct dials for the people at them. It is the same data that powers RevenueBase's B2B data products, and a free account includes 500 credits to start. How these lists are built and judged.
More company lists
Company intelligence · public preview
Top 25 transformer maintenance contractors worldwide
Find companies in any niche.
Describe the businesses you want in your own words. RevenueBase SmartSearch matches company descriptions by meaning.
RevenueBase records 6,675 matching company records for transformer maintenance contractors worldwide, with 83,502 tracked contacts and 16,014 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 6, 2026.
RevenueBase compiles business descriptions for niche-company discovery; each row shows a recorded excerpt where available. Adapt this search to find the companies and contacts you want.
Top 25 transformer maintenance contractors 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 |  Dietsmanndietsmann.comHQ: Fontvieille, MonacoReported employees: 5,001-10,000 | Fontvieille, Monaco | 5,001-10,000 | Exact match | 2,035 contacts → |
“Dietsmann is the leading independent specialist in Operation & Maintenance services for continuous-production plant in the oil & gas and power industries with over 40 years of…” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 2 |  Grupo RCSrcstecnologia.com.brHQ: Brasilia, BrazilReported employees: 5,001-10,000 | Brasilia, Brazil | 5,001-10,000 | Exact match | 1,973 contacts → |
“A RCS é uma empresa de Engenharia especializada em oferecer serviços técnicos de missão crítica com alta tecnologia aplicada, para clientes que necessitam manter suas atividades…” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 3 |  Engelmig Energiaengelmig.com.brHQ: Belo Horizonte, BrazilReported employees: 5,001-10,000 | Belo Horizonte, Brazil | 5,001-10,000 | Exact match | 1,929 contacts → |
“A Engelmig foi fundada em 1985 com o objetivo de prestar serviços de engenharia em redes de distribuição de energia elétrica.” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 4 |  Shermco Industriesshermco.comHQ: Irving, OK, United StatesReported employees: 1,001-5,000 | Irving, OK, United States | 1,001-5,000 | Exact match | 1,324 contacts → |
“Shermco Industries is a provider of safe, reliable testing, repair, professional training, electrical outage planning, maintenance and analysis of rotating apparatus and…” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 5 |  Irmãos Passaúra S Apassaura.com.brHQ: Curitiba, BrazilReported employees: 1,001-5,000 | Curitiba, Brazil | 1,001-5,000 | Exact match | 1,209 contacts → |
“Empresa de Montagem e Manutenção Industrial” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 6 |  Vijai Electricals Limited, Hyderabadvijaielectricals.comHQ: Hyderabad, IndiaReported employees: 5,001-10,000 | Hyderabad, India | 5,001-10,000 | Exact match | 952 contacts → |
“Vijai Electricals Ltd.” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 7 |  Best Transformerbesttransformer.comHQ: Balıkesir, TürkiyeReported employees: 1,001-5,000 | Balıkesir, Türkiye | 1,001-5,000 | Exact match | 786 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 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 8 |  AL Ahleia Switchgear Co. Ksccahleiasg.comHQ: Sabhan, KuwaitReported employees: 1,001-5,000 | Sabhan, Kuwait | 1,001-5,000 | Exact match | 758 contacts → |
“Established in 1982 by Sayed Hamid Behbehani & Sons, Kuwait.* First Kuwaiti company to be awarded with ISO 9001 back in 1995 by DNV.* Company certified for ISO/TS 29001:2010…” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 9 |  Emco Qataremcoqatar.netHQ: Doha, QatarReported employees: 1,001-5,000 | Doha, Qatar | 1,001-5,000 | Exact match | 755 contacts → |
“In the year 2002, realizing the need for Specialized Refurbishment, Repairs, & Maintenance Services of Oil Industries, Commercial and Residential Complexes.” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 10 |  Hydrochempschpc-industrial.comHQ: Deer Park, TX, United StatesReported employees: 5,001-10,000 | Deer Park, TX, United States | 5,001-10,000 | Exact match | 739 contacts → |
“HPC Industrial, a Clean Harbors business, is the leading provider of specialty maintenance services and technology solutions to the critical energy infrastructure in the United…” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 11 |  Data Engenhariadata.com.brHQ: Sarzedo, BrazilReported employees: 501-1,000 | Sarzedo, Brazil | 501-1,000 | Exact match | 718 contacts → |
“The DATA Engenharia is installed in a green area of m2, with m2 of constructed area, in the municipality of Sarzedo (industrial region in the vicinity of Belo Horizonte / MG).” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 12 |  Temon Técnica DE Montagens E Construçõestemon.com.brHQ: Sao Paulo, BrazilReported employees: 1,001-5,000 | Sao Paulo, Brazil | 1,001-5,000 | Exact match | 664 contacts → |
“Desde 1978 atuando na execução de Instalações Elétricas e Hidráulicas, a Temon conseguiu firmar sua marca nesse mercado com participação em mais de obras por todo Brasil e…” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 13 |  Transformers & Rectifiers India LTDtransformerindia.comHQ: Ahmedabad, IndiaReported employees: 1,001-5,000 | Ahmedabad, India | 1,001-5,000 | Exact match | 632 contacts → |
“Transformer & Rectifier (India) Limited (TARIL) is one of India’s leading transformer manufacturers, with over four decades of engineering excellence and a strong global presence.” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 14 |  Tata Consultancy Service TCSindiamart.comHQ: Nagpur, IndiaReported employees: 51-200 | Nagpur, India | 51-200 | Exact match | 592 contacts → |
“Tata Consultancy Service(TCS) Plumbing / Remodeling / Repair / Maintenance of residential electrical wiring maintenance services, electrical panel maintenance & lighting…” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 15 |  Resa Powerresapower.comHQ: Houston, CA, United StatesReported employees: 1,001-5,000 | Houston, CA, United States | 1,001-5,000 | Exact match | 590 contacts → |
“RESA Power is your ONE-STOP for all of your power needs.” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 16 |  Voltamp Transformers Limitedvoltamptransformers.comHQ: Vadodara, IndiaReported employees: 501-1,000 | Vadodara, India | 501-1,000 | Exact match | 508 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 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 17 |  Moncobramoncobra.grupocobra.comHQ: Madrid, SpainReported employees: 501-1,000 | Madrid, Spain | 501-1,000 | Exact match | 478 contacts → |
“Empresa de referencia del Grupo Cobra especializada en diseño, ingeniería, instalaciones y montajes mecánicos y eléctricos y mantenimiento industrial.” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 18 |  Royal Smit Transformers B.Vwerkenbij.sgb-smit.groupHQ: Nijmegen, NetherlandsReported employees: 501-1,000 | Nijmegen, Netherlands | 501-1,000 | Exact match | 466 contacts → |
No recorded description excerpt is available for this public record. | |||||
| 19 |  Quartzelec Limitedquartzelec.comHQ: Rugby, United KingdomReported employees: 501-1,000 | Rugby, United Kingdom | 501-1,000 | Exact match | 456 contacts → |
“Quartzelec is a leading independent electrical engineering group delivering solutions and services in both UK and global markets.” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 20 |  Tereme Engenhariatereme.com.brHQ: Serra, BrazilReported employees: 501-1,000 | Serra, Brazil | 501-1,000 | Exact match | 443 contacts → |
“CONTRATOS DE MANUTENÇÃO A Tereme oferece a seus clientes soluções de manutenção global ou parcial dos equipamentos e instalações elétricas de uma planta industrial.” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 21 |  Ingeneringener.comHQ: Montevideo, UruguayReported employees: 501-1,000 | Montevideo, Uruguay | 501-1,000 | Exact match | 431 contacts → |
“Empresa de Ingeniería y Servicios en el area de la Ingenieria Electrica e Industrial.” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 22 |  Concentric Power Servicesconcentricusa.comHQ: Carrollton, TX, United StatesReported employees: 1,001-5,000 | Carrollton, TX, United States | 1,001-5,000 | Exact match | 429 contacts → |
“Concentric is the first national industrial power services organization delivering forklift and critical power as well as maintenance solutions that ensure uninterrupted…” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 23 |  UTECutec.com.saHQ: Riyadh, Saudi ArabiaReported employees: 1,001-5,000 | Riyadh, Saudi Arabia | 1,001-5,000 | Exact match | 407 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 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 24 | HQ: Edmonton, CO, CanadaReported employees: 201-500 | Edmonton, CO, Canada | 201-500 | Exact match | 355 contacts → |
“Delivering confidence for over 40 years.” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 25 |  RMS Energy Co, LLCrmsenergy.comHQ: Little Falls, MD, United StatesReported employees: 1,001-5,000 | Little Falls, MD, United States | 1,001-5,000 | Exact match | 348 contacts → |
“RMS Energy leads the industry by energizing the future through reliable power solutions, offering comprehensive installation and maintenance services on 480V to 765kV electrical…” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
Showing 25 of 6,675 company matches
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Transformer maintenance contractors: dataset insights
November 6, 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
6,553 records in the displayed employee bands.
122 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 6,675 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 6, 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 ↗
Transformer maintenance contractors by location
26 lists · largest firstEvery Transformer maintenance contractors list RevenueBase publishes, by country and city. Counts are matching companies in each list as of its own refresh date.
Countries
- Transformer maintenance contractors based in the United States987
- Transformer maintenance contractors based in Brazil768
- Transformer maintenance contractors based in India552
- Transformer maintenance contractors based in Italy387
- Transformer maintenance contractors based in the United Kingdom299
- Transformer maintenance contractors based in France231
- Transformer maintenance contractors based in Mexico200
- Transformer maintenance contractors based in Canada170
- Transformer maintenance contractors based in Türkiye167
- Transformer maintenance contractors based in Australia165
- Transformer maintenance contractors based in Spain153
- Transformer maintenance contractors based in Germany138
- Transformer maintenance contractors based in Chile118
- Transformer maintenance contractors based in South Africa101
- Transformer maintenance contractors based in Peru100
- Transformer maintenance contractors based in Colombia87
- Transformer maintenance contractors based in the United Arab Emirates75
- Transformer maintenance contractors based in Argentina74
- Transformer maintenance contractors based in the Netherlands68
- Transformer maintenance contractors based in Saudi Arabia67
- Transformer maintenance contractors based in Poland49
- Transformer maintenance contractors based in Switzerland41
- Transformer maintenance contractors based in Belgium33
- Transformer maintenance contractors based in Portugal33
- Transformer maintenance contractors based in New Zealand30
Cities
Questions about this company list
What does Exact match mean for transformer maintenance contractors?
The separate RevenueBase SmartSearch column identifies inclusion at the closest semantic matching preset. It is not a literal keyword match, a per-company confidence score or a quality endorsement. Changing the search form opens a new search in RevenueBase; it does not reclassify these saved rows.
How many transformer maintenance contractors did RevenueBase find worldwide?
The saved snapshot records 6,675 matching company records, 83,502 tracked contacts and 16,014 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 6, 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 transformer maintenance contractors worldwide. Snapshot: November 6, 2026. https://revenuebase.ai/companies/browse/transformer-maintenance-contractors.
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 transformer maintenance contractors worldwide
RevenueBase records 6,675 matching company records for transformer maintenance contractors worldwide, with 83,502 tracked contacts and 16,014 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 6, 2026.
RevenueBase compiles business descriptions for niche-company discovery; each row shows a recorded excerpt where available. Adapt this search to find the companies and contacts you want.
Top 25 transformer maintenance contractors 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 | Dietsmanndietsmann.com HQ: Fontvieille, MonacoReported employees: 5,001-10,000 | Fontvieille, Monaco | 5,001-10,000 | Exact match | 2,035 contacts → |
“Dietsmann is the leading independent specialist in Operation & Maintenance services for continuous-production plant in the oil & gas and power industries with over 40 years of…” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 2 | Grupo RCSrcstecnologia.com.br HQ: Brasilia, BrazilReported employees: 5,001-10,000 | Brasilia, Brazil | 5,001-10,000 | Exact match | 1,973 contacts → |
“A RCS é uma empresa de Engenharia especializada em oferecer serviços técnicos de missão crítica com alta tecnologia aplicada, para clientes que necessitam manter suas atividades…” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 3 | Engelmig Energiaengelmig.com.br HQ: Belo Horizonte, BrazilReported employees: 5,001-10,000 | Belo Horizonte, Brazil | 5,001-10,000 | Exact match | 1,929 contacts → |
“A Engelmig foi fundada em 1985 com o objetivo de prestar serviços de engenharia em redes de distribuição de energia elétrica.” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 4 | Shermco Industriesshermco.com HQ: Irving, OK, United StatesReported employees: 1,001-5,000 | Irving, OK, United States | 1,001-5,000 | Exact match | 1,324 contacts → |
“Shermco Industries is a provider of safe, reliable testing, repair, professional training, electrical outage planning, maintenance and analysis of rotating apparatus and…” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 5 | Irmãos Passaúra S Apassaura.com.br HQ: Curitiba, BrazilReported employees: 1,001-5,000 | Curitiba, Brazil | 1,001-5,000 | Exact match | 1,209 contacts → |
“Empresa de Montagem e Manutenção Industrial” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 6 | Vijai Electricals Limited, Hyderabadvijaielectricals.com HQ: Hyderabad, IndiaReported employees: 5,001-10,000 | Hyderabad, India | 5,001-10,000 | Exact match | 952 contacts → |
“Vijai Electricals Ltd.” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 7 | Best Transformerbesttransformer.com HQ: Balıkesir, TürkiyeReported employees: 1,001-5,000 | Balıkesir, Türkiye | 1,001-5,000 | Exact match | 786 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 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 8 | AL Ahleia Switchgear Co. Ksccahleiasg.com HQ: Sabhan, KuwaitReported employees: 1,001-5,000 | Sabhan, Kuwait | 1,001-5,000 | Exact match | 758 contacts → |
“Established in 1982 by Sayed Hamid Behbehani & Sons, Kuwait.* First Kuwaiti company to be awarded with ISO 9001 back in 1995 by DNV.* Company certified for ISO/TS 29001:2010…” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 9 | Emco Qataremcoqatar.net HQ: Doha, QatarReported employees: 1,001-5,000 | Doha, Qatar | 1,001-5,000 | Exact match | 755 contacts → |
“In the year 2002, realizing the need for Specialized Refurbishment, Repairs, & Maintenance Services of Oil Industries, Commercial and Residential Complexes.” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 10 | Hydrochempschpc-industrial.com HQ: Deer Park, TX, United StatesReported employees: 5,001-10,000 | Deer Park, TX, United States | 5,001-10,000 | Exact match | 739 contacts → |
“HPC Industrial, a Clean Harbors business, is the leading provider of specialty maintenance services and technology solutions to the critical energy infrastructure in the United…” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 11 | Data Engenhariadata.com.br HQ: Sarzedo, BrazilReported employees: 501-1,000 | Sarzedo, Brazil | 501-1,000 | Exact match | 718 contacts → |
“The DATA Engenharia is installed in a green area of m2, with m2 of constructed area, in the municipality of Sarzedo (industrial region in the vicinity of Belo Horizonte / MG).” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 12 | Temon Técnica DE Montagens E Construçõestemon.com.br HQ: Sao Paulo, BrazilReported employees: 1,001-5,000 | Sao Paulo, Brazil | 1,001-5,000 | Exact match | 664 contacts → |
“Desde 1978 atuando na execução de Instalações Elétricas e Hidráulicas, a Temon conseguiu firmar sua marca nesse mercado com participação em mais de obras por todo Brasil e…” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 13 | Transformers & Rectifiers India LTDtransformerindia.com HQ: Ahmedabad, IndiaReported employees: 1,001-5,000 | Ahmedabad, India | 1,001-5,000 | Exact match | 632 contacts → |
“Transformer & Rectifier (India) Limited (TARIL) is one of India’s leading transformer manufacturers, with over four decades of engineering excellence and a strong global presence.” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 14 | Tata Consultancy Service TCSindiamart.com HQ: Nagpur, IndiaReported employees: 51-200 | Nagpur, India | 51-200 | Exact match | 592 contacts → |
“Tata Consultancy Service(TCS) Plumbing / Remodeling / Repair / Maintenance of residential electrical wiring maintenance services, electrical panel maintenance & lighting…” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 15 | Resa Powerresapower.com HQ: Houston, CA, United StatesReported employees: 1,001-5,000 | Houston, CA, United States | 1,001-5,000 | Exact match | 590 contacts → |
“RESA Power is your ONE-STOP for all of your power needs.” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 16 | Voltamp Transformers Limitedvoltamptransformers.com HQ: Vadodara, IndiaReported employees: 501-1,000 | Vadodara, India | 501-1,000 | Exact match | 508 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 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 17 | Moncobramoncobra.grupocobra.com HQ: Madrid, SpainReported employees: 501-1,000 | Madrid, Spain | 501-1,000 | Exact match | 478 contacts → |
“Empresa de referencia del Grupo Cobra especializada en diseño, ingeniería, instalaciones y montajes mecánicos y eléctricos y mantenimiento industrial.” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 18 | Royal Smit Transformers B.Vwerkenbij.sgb-smit.group HQ: Nijmegen, NetherlandsReported employees: 501-1,000 | Nijmegen, Netherlands | 501-1,000 | Exact match | 466 contacts → |
No recorded description excerpt is available for this public record. | |||||
| 19 | Quartzelec Limitedquartzelec.com HQ: Rugby, United KingdomReported employees: 501-1,000 | Rugby, United Kingdom | 501-1,000 | Exact match | 456 contacts → |
“Quartzelec is a leading independent electrical engineering group delivering solutions and services in both UK and global markets.” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 20 | Tereme Engenhariatereme.com.br HQ: Serra, BrazilReported employees: 501-1,000 | Serra, Brazil | 501-1,000 | Exact match | 443 contacts → |
“CONTRATOS DE MANUTENÇÃO A Tereme oferece a seus clientes soluções de manutenção global ou parcial dos equipamentos e instalações elétricas de uma planta industrial.” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 21 | Ingeneringener.com HQ: Montevideo, UruguayReported employees: 501-1,000 | Montevideo, Uruguay | 501-1,000 | Exact match | 431 contacts → |
“Empresa de Ingeniería y Servicios en el area de la Ingenieria Electrica e Industrial.” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 22 | Concentric Power Servicesconcentricusa.com HQ: Carrollton, TX, United StatesReported employees: 1,001-5,000 | Carrollton, TX, United States | 1,001-5,000 | Exact match | 429 contacts → |
“Concentric is the first national industrial power services organization delivering forklift and critical power as well as maintenance solutions that ensure uninterrupted…” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 23 | UTECutec.com.sa HQ: Riyadh, Saudi ArabiaReported employees: 1,001-5,000 | Riyadh, Saudi Arabia | 1,001-5,000 | Exact match | 407 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 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 24 | HQ: Edmonton, CO, CanadaReported employees: 201-500 | Edmonton, CO, Canada | 201-500 | Exact match | 355 contacts → |
“Delivering confidence for over 40 years.” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 25 | RMS Energy Co, LLCrmsenergy.com HQ: Little Falls, MD, United StatesReported employees: 1,001-5,000 | Little Falls, MD, United States | 1,001-5,000 | Exact match | 348 contacts → |
“RMS Energy leads the industry by energizing the future through reliable power solutions, offering comprehensive installation and maintenance services on 480V to 765kV electrical…” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
Showing 25 of 6,675 company matches
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Transformer maintenance contractors: dataset insights
November 6, 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
6,553 records in the displayed employee bands.
122 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 6,675 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 6, 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 ↗
Transformer maintenance contractors by location
26 lists · largest firstEvery Transformer maintenance contractors list RevenueBase publishes, by country and city. Counts are matching companies in each list as of its own refresh date.
Countries
- Transformer maintenance contractors based in the United States987
- Transformer maintenance contractors based in Brazil768
- Transformer maintenance contractors based in India552
- Transformer maintenance contractors based in Italy387
- Transformer maintenance contractors based in the United Kingdom299
- Transformer maintenance contractors based in France231
- Transformer maintenance contractors based in Mexico200
- Transformer maintenance contractors based in Canada170
- Transformer maintenance contractors based in Türkiye167
- Transformer maintenance contractors based in Australia165
- Transformer maintenance contractors based in Spain153
- Transformer maintenance contractors based in Germany138
- Transformer maintenance contractors based in Chile118
- Transformer maintenance contractors based in South Africa101
- Transformer maintenance contractors based in Peru100
- Transformer maintenance contractors based in Colombia87
- Transformer maintenance contractors based in the United Arab Emirates75
- Transformer maintenance contractors based in Argentina74
- Transformer maintenance contractors based in the Netherlands68
- Transformer maintenance contractors based in Saudi Arabia67
- Transformer maintenance contractors based in Poland49
- Transformer maintenance contractors based in Switzerland41
- Transformer maintenance contractors based in Belgium33
- Transformer maintenance contractors based in Portugal33
- Transformer maintenance contractors based in New Zealand30
Cities
Questions about this company list
What does Exact match mean for transformer maintenance contractors?
The separate RevenueBase SmartSearch column identifies inclusion at the closest semantic matching preset. It is not a literal keyword match, a per-company confidence score or a quality endorsement. Changing the search form opens a new search in RevenueBase; it does not reclassify these saved rows.
How many transformer maintenance contractors did RevenueBase find worldwide?
The saved snapshot records 6,675 matching company records, 83,502 tracked contacts and 16,014 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 6, 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 transformer maintenance contractors worldwide. Snapshot: November 6, 2026. https://revenuebase.ai/companies/browse/transformer-maintenance-contractors.
This is a selected public preview of saved company records, rather than an independently verified census. Open the source page ↗