Company lists · Data refreshed October 2026
Top 25 Oil dielectric tester suppliers worldwide
RevenueBase identified 137 company matches for oil dielectric tester suppliers worldwide as of October 2026 and tracks 1,143 professional contacts across them, including 243 with verified work emails. Bangalore is the largest hub.
This list covers company matches for oil dielectric tester 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 October 28, 2026.
Published by RevenueBase, a B2B data infrastructure company. This list was built with RevenueBase SmartSearch, the natural-language company search RevenueBase customers use to build their own targeted lists and unlock verified emails and direct dials at the companies on them. How these lists are built and judged.
The 25 largest oil dielectric tester suppliers worldwide
Ranked by team size| # | Company | Contacts | |||
|---|---|---|---|---|---|
| 1 | 113 contacts → | ||||
Exact match “BAUR is the world market leader of testing and measurement technology.” Recorded in the RevenueBase company graph · Oct 28, 2026 · View company records in RevenueBase | |||||
| 2 | 71 contacts → | ||||
Exact match “Morgan Schaffer est un leader dans l’analyse de l’huile diélectrique et en instrumentation d’analyse de gaz dissouts (AGD), et ce depuis plus de 50 ans.” Recorded in the RevenueBase company graph · Oct 28, 2026 · View company records in RevenueBase | |||||
| 3 | 64 contacts → | ||||
Exact match “IBEKO Power AB, with headquarters in Stockholm (Sweden) and best known through the brand ”DV Power”, has since developed radically light and ingenious test solutions for…” Recorded in the RevenueBase company graph · Oct 28, 2026 · View company records in RevenueBase | |||||
| 4 | 51 contacts → | ||||
Exact match “Hipotronics is the world's leading supplier of high electrical test equipment and measurement instruments.” Recorded in the RevenueBase company graph · Oct 28, 2026 · View company records in RevenueBase | |||||
| 5 | 51 contacts → | ||||
Exact match “TJ|H2b Analytical Services is a full service laboratory that offers analytical testing and diagnostic evaluation of oil and gas insulated electrical equipment at our global lab…” Recorded in the RevenueBase company graph · Oct 28, 2026 · View company records in RevenueBase | |||||
| 6 | 36 contacts → | ||||
Exact match “Ayalytical Instruments: Your Testing Refined Influential, innovative and progressive.” Recorded in the RevenueBase company graph · Oct 28, 2026 · View company records in RevenueBase | |||||
| 7 | 31 contacts → | ||||
Exact match “A Trafocare é uma empresa especializada na manutenção de transformadores e comércio de fluidos isolantes elétricos, investindo no que há de mais moderno e eficiente no mercado…” Recorded in the RevenueBase company graph · Oct 28, 2026 · View company records in RevenueBase | |||||
| 8 | 29 contacts → | ||||
Exact match “Power Electronical is a reputed name in the Electrical Maintenance industry in India and synonymous with High Voltage Dielectric Diagnostic Products and Testing Services…” Recorded in the RevenueBase company graph · Oct 28, 2026 · View company records in RevenueBase | |||||
| 9 | 22 contacts → | ||||
Exact match “Zakład Pomiarowo-Badawczy Energetyki "ENERGOPOMIAR-ELEKTRYKA" the limited liability company is a special engineering company acting on the Polish and international market since…” Recorded in the RevenueBase company graph · Oct 28, 2026 · View company records in RevenueBase | |||||
| 10 | 17 contacts → | ||||
Exact match “Delta-X Research provides Transformer Oil Analyst™ (TOA), the market leading tool for managing and interpreting insulating fluid test data for high-voltage apparatus.” Recorded in the RevenueBase company graph · Oct 28, 2026 · View company records in RevenueBase | |||||
| 11 | 16 contacts → | ||||
Exact match “HV Diagnostics Inc.” Recorded in the RevenueBase company graph · Oct 28, 2026 · View company records in RevenueBase | |||||
| 12 | 14 contacts → | ||||
Exact match “Formed by experienced professionals in the Brazilian electric sector, we are a group of companies specialized in analysis, diagnostics, maintenance of transformers, manufacture of…” Recorded in the RevenueBase company graph · Oct 28, 2026 · View company records in RevenueBase | |||||
| 13 | 14 contacts → | ||||
Exact match “Atividades de Analises e Diagnoses de Óleos e Fluidos Isolantes de Transformadores de Potencia em Laboratorio de Alta Tecnologia e próprio; com Engenheiro e Tecnicos em Quimica…” Recorded in the RevenueBase company graph · Oct 28, 2026 · View company records in RevenueBase | |||||
| 14 | 12 contacts → | ||||
Exact match “NDL is one of the leading company in India expertise in Transformer Oil testing and analysis services.” Recorded in the RevenueBase company graph · Oct 28, 2026 · View company records in RevenueBase | |||||
| 15 | 7 contacts → | ||||
Exact match “ChemTX is an analytical testing laboratory, based in the central belt of Scotland, who specialises in the analysis of transformer oils and fluids which are used as insulating…” Recorded in the RevenueBase company graph · Oct 28, 2026 · View company records in RevenueBase | |||||
| 16 | 7 contacts → | ||||
Exact match “Since 1971, we've served the needs of the utility industry throughout North America by manufacturing state-of-the-art diagnostic tools and equipment, providing comprehensive…” Recorded in the RevenueBase company graph · Oct 28, 2026 · View company records in RevenueBase | |||||
| 17 | 7 contacts → | ||||
Exact match “Next Gen Equipments Pvt.” Recorded in the RevenueBase company graph · Oct 28, 2026 · View company records in RevenueBase | |||||
| 18 | 6 contacts → | ||||
Exact match “Oilwatch is an Oil Analysis (OCM) Company based out of South Africa.” Recorded in the RevenueBase company graph · Oct 28, 2026 · View company records in RevenueBase | |||||
| 19 | 5 contacts → | ||||
Exact match “Preduzeće Tectra d.o.o.” Recorded in the RevenueBase company graph · Oct 28, 2026 · View company records in RevenueBase | |||||
| 20 | 5 contacts → | ||||
Exact match “Transfo Lab est un laboratoire d’analyses d’huile 100% dédié au transformateur électrique.” Recorded in the RevenueBase company graph · Oct 28, 2026 · View company records in RevenueBase | |||||
| 21 | 5 contacts → | ||||
Exact match Recorded description not available. Recorded in the RevenueBase company graph · Oct 28, 2026 · View company records in RevenueBase | |||||
| 22 | 4 contacts → | ||||
Exact match Recorded description not available. Recorded in the RevenueBase company graph · Oct 28, 2026 · View company records in RevenueBase | |||||
| 23 | 4 contacts → | ||||
Exact match “LLC “Tranfiber – Service” – “the laboratory of Electric Devices and Oil products” is accredited by “the center of accreditation” for technical competence and independence.” Recorded in the RevenueBase company graph · Oct 28, 2026 · View company records in RevenueBase | |||||
| 24 | 4 contacts → | ||||
Exact match “GÜÇ Check-Up Merkezi, güç transformatörleri, orta gerilim kesicileri ve enerji sistemlerinin test, bakım ve durum değerlendirme çalışmalarında uzmanlaşmış bir mühendislik…” Recorded in the RevenueBase company graph · Oct 28, 2026 · View company records in RevenueBase | |||||
| 25 | 3 contacts → | ||||
Exact match Recorded description not available. Recorded in the RevenueBase company graph · Oct 28, 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 “oil dielectric tester 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 137 oil dielectric tester suppliers worldwide
See the full list, filter by size, metro and specialty, and access 243 tracked professional contacts with verified work emails. Direct dials are available where recorded.
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Oil dielectric tester suppliers worldwide at a glance
As of Oct 28, 2026Companies by employee count
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 137 companies.
How this list was built
The recorded descriptions help you assess these company matches. Check a company’s website for its current services and locations.
- Source
- The RevenueBase company graph: 60 million companies and 398.9 million professional contacts resolved from primary sources, queried with RevenueBase SmartSearch, the natural-language company search available to every RevenueBase user.
- What qualifies
- Company records worldwide whose business descriptions match “oil dielectric tester 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 243 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 October 28, 2026. Lists refresh periodically as the graph is re-checked.
- Record context
- Company records and descriptions can change. Check the company's website for its current services and locations.
Frequently asked
What is RevenueBase SmartSearch?
RevenueBase SmartSearch finds niche companies by the meaning of their business descriptions in the RevenueBase company graph. Exact, Similar, Related and Broad control how closely companies must fit your description. This list uses Exact for “oil dielectric tester suppliers”; each Exact match badge shows search membership, not an individual similarity or quality score.
How many oil dielectric tester suppliers are there worldwide?
RevenueBase identified 137 company matches for oil dielectric tester suppliers worldwide as of October 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?
Baur Gmbh tops the displayed preview by professional contacts tracked in RevenueBase. Recorded headquarters appear in the company rows.
Which city has the most oil dielectric tester suppliers?
Bangalore leads with 6 company records, followed by Wuhan (3) and Campinas (2).
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 243 professional contacts with verified work emails tracked across these 137 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 October 28, 2026.
Ready to reach these companies? Verified emails and direct dials for all 137 oil dielectric tester 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.
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Company intelligence · public preview
Top 25 oil dielectric tester 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 137 matching company records for oil dielectric tester suppliers worldwide, with 1,143 tracked contacts and 243 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: October 28, 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 oil dielectric tester 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 | Baur Gmbhbaur.eu HQ: Sulz, FranceReported employees: 51-200 | Sulz, France | 51-200 | Exact match | 113 contacts → |
“BAUR is the world market leader of testing and measurement technology.” Recorded description excerpt · October 28, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 2 | Morgan Schaffer Ltéemorganschaffer.com HQ: Lasalle, QC, CanadaReported employees: 51-200 | Lasalle, QC, Canada | 51-200 | Exact match | 71 contacts → |
“Morgan Schaffer est un leader dans l’analyse de l’huile diélectrique et en instrumentation d’analyse de gaz dissouts (AGD), et ce depuis plus de 50 ans.” Recorded description excerpt · October 28, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 3 |  DV Powerdv-power.comHQ: Lidingö, SwedenReported employees: 51-200 | Lidingö, Sweden | 51-200 | Exact match | 64 contacts → |
“IBEKO Power AB, with headquarters in Stockholm (Sweden) and best known through the brand ”DV Power”, has since developed radically light and ingenious test solutions for…” Recorded description excerpt · October 28, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 4 |  Hipotronics, INChubbell.comHQ: Reading, PA, United StatesReported employees: 11-50 | Reading, PA, United States | 11-50 | Exact match | 51 contacts → |
“Hipotronics is the world's leading supplier of high electrical test equipment and measurement instruments.” Recorded description excerpt · October 28, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 5 | TJ H2b Analytical Servicestjh2b.com HQ: Sacramento, CA, United StatesReported employees: 51-200 | Sacramento, CA, United States | 51-200 | Exact match | 51 contacts → |
“TJ|H2b Analytical Services is a full service laboratory that offers analytical testing and diagnostic evaluation of oil and gas insulated electrical equipment at our global lab…” Recorded description excerpt · October 28, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 6 | Ayalytical Instruments, INCayalytical.com HQ: Chicago, IL, United StatesReported employees: 11-50 | Chicago, IL, United States | 11-50 | Exact match | 36 contacts → |
“Ayalytical Instruments: Your Testing Refined Influential, innovative and progressive.” Recorded description excerpt · October 28, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 7 | Trafocare Ltdatrafocare.com.br HQ: Campinas, BrazilReported employees: 11-50 | Campinas, Brazil | 11-50 | Exact match | 31 contacts → |
“A Trafocare é uma empresa especializada na manutenção de transformadores e comércio de fluidos isolantes elétricos, investindo no que há de mais moderno e eficiente no mercado…” Recorded description excerpt · October 28, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 8 | Power Electronicalpowerelectronical.com HQ: Nashik, IndiaReported employees: 11-50 | Nashik, India | 11-50 | Exact match | 29 contacts → |
“Power Electronical is a reputed name in the Electrical Maintenance industry in India and synonymous with High Voltage Dielectric Diagnostic Products and Testing Services…” Recorded description excerpt · October 28, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 9 |  Zpbe Energopomiar-Elektrykaelektryka.com.plHQ: Gliwice, PolandReported employees: 51-200 | Gliwice, Poland | 51-200 | Exact match | 22 contacts → |
“Zakład Pomiarowo-Badawczy Energetyki "ENERGOPOMIAR-ELEKTRYKA" the limited liability company is a special engineering company acting on the Polish and international market since…” Recorded description excerpt · October 28, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 10 |  Delta-X Researchdeltaxresearch.comHQ: Victoria, BC, CanadaReported employees: 11-50 | Victoria, BC, Canada | 11-50 | Exact match | 17 contacts → |
“Delta-X Research provides Transformer Oil Analyst™ (TOA), the market leading tool for managing and interpreting insulating fluid test data for high-voltage apparatus.” Recorded description excerpt · October 28, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 11 | HV Diagnostics, INChvdiagnostics.com HQ: United StatesReported employees: 1-10 | United States | 1-10 | Exact match | 16 contacts → |
“HV Diagnostics Inc.” Recorded description excerpt · October 28, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 12 | Mgtrafosmgtrafos.com.br HQ: São Joaquim De Bicas, BrazilReported employees: 11-50 | São Joaquim De Bicas, Brazil | 11-50 | Exact match | 14 contacts → |
“Formed by experienced professionals in the Brazilian electric sector, we are a group of companies specialized in analysis, diagnostics, maintenance of transformers, manufacture of…” Recorded description excerpt · October 28, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 13 | Lorencini Brasillorencinibrasil.com.br HQ: São Bernardo Do Campo, BrazilReported employees: 11-50 | São Bernardo Do Campo, Brazil | 11-50 | Exact match | 14 contacts → |
“Atividades de Analises e Diagnoses de Óleos e Fluidos Isolantes de Transformadores de Potencia em Laboratorio de Alta Tecnologia e próprio; com Engenheiro e Tecnicos em Quimica…” Recorded description excerpt · October 28, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 14 | NEW Delhi Laboratories Pvt. LTDnewdelhilab.com HQ: New Delhi, IndiaReported employees: 11-50 | New Delhi, India | 11-50 | Exact match | 12 contacts → |
“NDL is one of the leading company in India expertise in Transformer Oil testing and analysis services.” Recorded description excerpt · October 28, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 15 | Chemtx LTDchemtx.co.uk HQ: Wishaw, United KingdomReported employees: 1-10 | Wishaw, United Kingdom | 1-10 | Exact match | 7 contacts → |
“ChemTX is an analytical testing laboratory, based in the central belt of Scotland, who specialises in the analysis of transformer oils and fluids which are used as insulating…” Recorded description excerpt · October 28, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 16 | Arnett Industries, LLChjarnett.com HQ: Tualatin, OR, United StatesReported employees: 11-50 | Tualatin, OR, United States | 11-50 | Exact match | 7 contacts → |
“Since 1971, we've served the needs of the utility industry throughout North America by manufacturing state-of-the-art diagnostic tools and equipment, providing comprehensive…” Recorded description excerpt · October 28, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 17 | Nextgen Equipments PVT LTDngepl.com HQ: Vadodara, IndiaReported employees: 11-50 | Vadodara, India | 11-50 | Exact match | 7 contacts → |
“Next Gen Equipments Pvt.” Recorded description excerpt · October 28, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 18 | Oilwatchoilwatch.co.za HQ: Johannesburg, South AfricaReported employees: 11-50 | Johannesburg, South Africa | 11-50 | Exact match | 6 contacts → |
“Oilwatch is an Oil Analysis (OCM) Company based out of South Africa.” Recorded description excerpt · October 28, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 19 | Tectra DOO Beogradtectra.co.rs HQ: Belgrade, SerbiaReported employees: 1-10 | Belgrade, Serbia | 1-10 | Exact match | 5 contacts → |
“Preduzeće Tectra d.o.o.” Recorded description excerpt · October 28, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 20 | Transfo LABtransfo-lab.com HQ: Chasse-sur-rhône, FranceReported employees: 1-10 | Chasse-sur-rhône, France | 1-10 | Exact match | 5 contacts → |
“Transfo Lab est un laboratoire d’analyses d’huile 100% dédié au transformateur électrique.” Recorded description excerpt · October 28, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 21 | Macrotech Filterallmacrotechfilterall.com HQ: IndiaReported employees: 1-10 | India | 1-10 | Exact match | 5 contacts → |
No recorded description excerpt is available for this public record. | |||||
| 22 |  Tidal Power Services LTDtidalpowerservices.comHQ: Bournemouth, United KingdomReported employees: 11-50 | Bournemouth, United Kingdom | 11-50 | Exact match | 4 contacts → |
No recorded description excerpt is available for this public record. | |||||
| 23 | Tranfiber-Service, Ტრანფიბერ-Სერვისიtranfiber-service.com HQ: Tbilisi, GeorgiaReported employees: 1-10 | Tbilisi, Georgia | 1-10 | Exact match | 4 contacts → |
“LLC “Tranfiber – Service” – “the laboratory of Electric Devices and Oil products” is accredited by “the center of accreditation” for technical competence and independence.” Recorded description excerpt · October 28, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 24 | GÜÇ Transformatör Mühendislik San. VE Tic. A.Şguctrafo.com HQ: Kocaeli, TürkiyeReported employees: 11-50 | Kocaeli, Türkiye | 11-50 | Exact match | 4 contacts → |
“GÜÇ Check-Up Merkezi, güç transformatörleri, orta gerilim kesicileri ve enerji sistemlerinin test, bakım ve durum değerlendirme çalışmalarında uzmanlaşmış bir mühendislik…” Recorded description excerpt · October 28, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 25 | Currentechnologies INCcurrentechnologies.net HQ: Caldwell, ID, United StatesReported employees: 1-10 | Caldwell, ID, United States | 1-10 | Exact match | 3 contacts → |
No recorded description excerpt is available for this public record. | |||||
Showing 25 of 137 company matches
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Oil dielectric tester suppliers: dataset insights
October 28, 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
136 records in the displayed employee bands.
1 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 137 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: October 28, 2026.
RevenueBase is a B2B data infrastructure company. Its September 3, 2026 published methodology describes a graph of 60 million companies and 398.9 million professional contacts; these platform figures differ from this page's totals. Published methodology ↗
Questions about this company list
What does Exact match mean for oil dielectric tester 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 oil dielectric tester suppliers did RevenueBase find worldwide?
The saved snapshot records 137 matching company records, 1,143 tracked contacts and 243 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: October 28, 2026. Review each company's website for current services and locations. A recorded business description does not establish that every company offers every service named in the search.
What do headquarters and employee bands mean?
These are recorded company-level fields, rather than a map of every branch or a count of specialists. Missing headquarters or employee bands are labeled; older records may show a location separately from recorded headquarters.
Build your next target company list
Adapt this niche search and work with available contacts in RevenueBase.
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Cite this list
RevenueBase Data Team. Top 25 oil dielectric tester suppliers worldwide. Snapshot: October 28, 2026. https://revenuebase.ai/companies/browse/oil-dielectric-tester-suppliers.
This is a selected public preview of saved company records, rather than an independently verified census. Open the source page ↗
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- New lists
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Company intelligence · public preview
Top 25 oil dielectric tester suppliers worldwide
RevenueBase records 137 matching company records for oil dielectric tester suppliers worldwide, with 1,143 tracked contacts and 243 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: October 28, 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 oil dielectric tester 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 | Baur Gmbhbaur.eu HQ: Sulz, FranceReported employees: 51-200 | Sulz, France | 51-200 | Exact match | 113 contacts → |
“BAUR is the world market leader of testing and measurement technology.” Recorded description excerpt · October 28, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 2 | Morgan Schaffer Ltéemorganschaffer.com HQ: Lasalle, QC, CanadaReported employees: 51-200 | Lasalle, QC, Canada | 51-200 | Exact match | 71 contacts → |
“Morgan Schaffer est un leader dans l’analyse de l’huile diélectrique et en instrumentation d’analyse de gaz dissouts (AGD), et ce depuis plus de 50 ans.” Recorded description excerpt · October 28, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 3 | DV Powerdv-power.com HQ: Lidingö, SwedenReported employees: 51-200 | Lidingö, Sweden | 51-200 | Exact match | 64 contacts → |
“IBEKO Power AB, with headquarters in Stockholm (Sweden) and best known through the brand ”DV Power”, has since developed radically light and ingenious test solutions for…” Recorded description excerpt · October 28, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 4 | Hipotronics, INChubbell.com HQ: Reading, PA, United StatesReported employees: 11-50 | Reading, PA, United States | 11-50 | Exact match | 51 contacts → |
“Hipotronics is the world's leading supplier of high electrical test equipment and measurement instruments.” Recorded description excerpt · October 28, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 5 | TJ H2b Analytical Servicestjh2b.com HQ: Sacramento, CA, United StatesReported employees: 51-200 | Sacramento, CA, United States | 51-200 | Exact match | 51 contacts → |
“TJ|H2b Analytical Services is a full service laboratory that offers analytical testing and diagnostic evaluation of oil and gas insulated electrical equipment at our global lab…” Recorded description excerpt · October 28, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 6 | Ayalytical Instruments, INCayalytical.com HQ: Chicago, IL, United StatesReported employees: 11-50 | Chicago, IL, United States | 11-50 | Exact match | 36 contacts → |
“Ayalytical Instruments: Your Testing Refined Influential, innovative and progressive.” Recorded description excerpt · October 28, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 7 | Trafocare Ltdatrafocare.com.br HQ: Campinas, BrazilReported employees: 11-50 | Campinas, Brazil | 11-50 | Exact match | 31 contacts → |
“A Trafocare é uma empresa especializada na manutenção de transformadores e comércio de fluidos isolantes elétricos, investindo no que há de mais moderno e eficiente no mercado…” Recorded description excerpt · October 28, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 8 | Power Electronicalpowerelectronical.com HQ: Nashik, IndiaReported employees: 11-50 | Nashik, India | 11-50 | Exact match | 29 contacts → |
“Power Electronical is a reputed name in the Electrical Maintenance industry in India and synonymous with High Voltage Dielectric Diagnostic Products and Testing Services…” Recorded description excerpt · October 28, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 9 | Zpbe Energopomiar-Elektrykaelektryka.com.pl HQ: Gliwice, PolandReported employees: 51-200 | Gliwice, Poland | 51-200 | Exact match | 22 contacts → |
“Zakład Pomiarowo-Badawczy Energetyki "ENERGOPOMIAR-ELEKTRYKA" the limited liability company is a special engineering company acting on the Polish and international market since…” Recorded description excerpt · October 28, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 10 | Delta-X Researchdeltaxresearch.com HQ: Victoria, BC, CanadaReported employees: 11-50 | Victoria, BC, Canada | 11-50 | Exact match | 17 contacts → |
“Delta-X Research provides Transformer Oil Analyst™ (TOA), the market leading tool for managing and interpreting insulating fluid test data for high-voltage apparatus.” Recorded description excerpt · October 28, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 11 | HV Diagnostics, INChvdiagnostics.com HQ: United StatesReported employees: 1-10 | United States | 1-10 | Exact match | 16 contacts → |
“HV Diagnostics Inc.” Recorded description excerpt · October 28, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 12 | Mgtrafosmgtrafos.com.br HQ: São Joaquim De Bicas, BrazilReported employees: 11-50 | São Joaquim De Bicas, Brazil | 11-50 | Exact match | 14 contacts → |
“Formed by experienced professionals in the Brazilian electric sector, we are a group of companies specialized in analysis, diagnostics, maintenance of transformers, manufacture of…” Recorded description excerpt · October 28, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 13 | Lorencini Brasillorencinibrasil.com.br HQ: São Bernardo Do Campo, BrazilReported employees: 11-50 | São Bernardo Do Campo, Brazil | 11-50 | Exact match | 14 contacts → |
“Atividades de Analises e Diagnoses de Óleos e Fluidos Isolantes de Transformadores de Potencia em Laboratorio de Alta Tecnologia e próprio; com Engenheiro e Tecnicos em Quimica…” Recorded description excerpt · October 28, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 14 | NEW Delhi Laboratories Pvt. LTDnewdelhilab.com HQ: New Delhi, IndiaReported employees: 11-50 | New Delhi, India | 11-50 | Exact match | 12 contacts → |
“NDL is one of the leading company in India expertise in Transformer Oil testing and analysis services.” Recorded description excerpt · October 28, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 15 | Chemtx LTDchemtx.co.uk HQ: Wishaw, United KingdomReported employees: 1-10 | Wishaw, United Kingdom | 1-10 | Exact match | 7 contacts → |
“ChemTX is an analytical testing laboratory, based in the central belt of Scotland, who specialises in the analysis of transformer oils and fluids which are used as insulating…” Recorded description excerpt · October 28, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 16 | Arnett Industries, LLChjarnett.com HQ: Tualatin, OR, United StatesReported employees: 11-50 | Tualatin, OR, United States | 11-50 | Exact match | 7 contacts → |
“Since 1971, we've served the needs of the utility industry throughout North America by manufacturing state-of-the-art diagnostic tools and equipment, providing comprehensive…” Recorded description excerpt · October 28, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 17 | Nextgen Equipments PVT LTDngepl.com HQ: Vadodara, IndiaReported employees: 11-50 | Vadodara, India | 11-50 | Exact match | 7 contacts → |
“Next Gen Equipments Pvt.” Recorded description excerpt · October 28, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 18 | Oilwatchoilwatch.co.za HQ: Johannesburg, South AfricaReported employees: 11-50 | Johannesburg, South Africa | 11-50 | Exact match | 6 contacts → |
“Oilwatch is an Oil Analysis (OCM) Company based out of South Africa.” Recorded description excerpt · October 28, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 19 | Tectra DOO Beogradtectra.co.rs HQ: Belgrade, SerbiaReported employees: 1-10 | Belgrade, Serbia | 1-10 | Exact match | 5 contacts → |
“Preduzeće Tectra d.o.o.” Recorded description excerpt · October 28, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 20 | Transfo LABtransfo-lab.com HQ: Chasse-sur-rhône, FranceReported employees: 1-10 | Chasse-sur-rhône, France | 1-10 | Exact match | 5 contacts → |
“Transfo Lab est un laboratoire d’analyses d’huile 100% dédié au transformateur électrique.” Recorded description excerpt · October 28, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 21 | Macrotech Filterallmacrotechfilterall.com HQ: IndiaReported employees: 1-10 | India | 1-10 | Exact match | 5 contacts → |
No recorded description excerpt is available for this public record. | |||||
| 22 | Tidal Power Services LTDtidalpowerservices.com HQ: Bournemouth, United KingdomReported employees: 11-50 | Bournemouth, United Kingdom | 11-50 | Exact match | 4 contacts → |
No recorded description excerpt is available for this public record. | |||||
| 23 | Tranfiber-Service, Ტრანფიბერ-Სერვისიtranfiber-service.com HQ: Tbilisi, GeorgiaReported employees: 1-10 | Tbilisi, Georgia | 1-10 | Exact match | 4 contacts → |
“LLC “Tranfiber – Service” – “the laboratory of Electric Devices and Oil products” is accredited by “the center of accreditation” for technical competence and independence.” Recorded description excerpt · October 28, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 24 | GÜÇ Transformatör Mühendislik San. VE Tic. A.Şguctrafo.com HQ: Kocaeli, TürkiyeReported employees: 11-50 | Kocaeli, Türkiye | 11-50 | Exact match | 4 contacts → |
“GÜÇ Check-Up Merkezi, güç transformatörleri, orta gerilim kesicileri ve enerji sistemlerinin test, bakım ve durum değerlendirme çalışmalarında uzmanlaşmış bir mühendislik…” Recorded description excerpt · October 28, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 25 | Currentechnologies INCcurrentechnologies.net HQ: Caldwell, ID, United StatesReported employees: 1-10 | Caldwell, ID, United States | 1-10 | Exact match | 3 contacts → |
No recorded description excerpt is available for this public record. | |||||
Showing 25 of 137 company matches
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Oil dielectric tester suppliers: dataset insights
October 28, 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
136 records in the displayed employee bands.
1 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 137 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: October 28, 2026.
RevenueBase is a B2B data infrastructure company. Its September 3, 2026 published methodology describes a graph of 60 million companies and 398.9 million professional contacts; these platform figures differ from this page's totals. Published methodology ↗
Questions about this company list
What does Exact match mean for oil dielectric tester 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 oil dielectric tester suppliers did RevenueBase find worldwide?
The saved snapshot records 137 matching company records, 1,143 tracked contacts and 243 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: October 28, 2026. Review each company's website for current services and locations. A recorded business description does not establish that every company offers every service named in the search.
What do headquarters and employee bands mean?
These are recorded company-level fields, rather than a map of every branch or a count of specialists. Missing headquarters or employee bands are labeled; older records may show a location separately from recorded headquarters.
Build your next target company list
Adapt this niche search and work with available contacts in RevenueBase.
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Cite this list
RevenueBase Data Team. Top 25 oil dielectric tester suppliers worldwide. Snapshot: October 28, 2026. https://revenuebase.ai/companies/browse/oil-dielectric-tester-suppliers.
This is a selected public preview of saved company records, rather than an independently verified census. Open the source page ↗
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