Company lists · Data refreshed November 2026

Top 11 Transformer oil purifiers suppliers based in India

RevenueBase identified 107 company matches for transformer oil purifiers suppliers associated with India as of November 2026 and tracks 1,302 professional contacts across them, including 59 with verified work emails. Pune is the largest hub.

This list covers company matches for transformer oil purifiers suppliers associated with India, found by RevenueBase SmartSearch using the meaning of business descriptions in its company graph at Exact. Ranked by professionals tracked, largest first. Rows show recorded descriptions where available, Exact search membership and the snapshot date. Data refreshed November 2, 2026.

Published by RevenueBase, a B2B data infrastructure company. This list was built with RevenueBase SmartSearch, the natural-language company search RevenueBase customers use to build their own targeted lists and unlock verified emails and direct dials at the companies on them. How these lists are built and judged.

How to read this list RevenueBase SmartSearch · Exact Recorded Nov 2, 2026 How this list was built
107Companies
1,302Contacts tracked
59Verified emails
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The 11 largest transformer oil purifiers suppliers based in India

Ranked by team size
Top 11 of 107 company matches for transformer oil purifiers suppliers based in India, ordered by professional contacts tracked in RevenueBase, largest first. Recorded Nov 2, 2026. The RevenueBase SmartSearch column shows Exact match membership in this saved search. Click a contact count to view that company's people. Totals use company locations recorded by RevenueBase; the displayed preview is a smaller selection.
#CompanyRevenueBase SmartSearchHeadquartersEmployeesContacts
1Exact matchVadodara, IndiaHQ recorded Nov 2, 2026501-1,000508 contacts →

Exact match

“Voltamp Transformers Limited is a Oil filled Power, Distribution and Dry type Transformer manufacturing company based in Vadodara, Gujarat State in India since year 1967.The…”

Recorded in the RevenueBase company graph · Nov 2, 2026 · View company records in RevenueBase
2Exact matchNoida, IndiaHQ recorded Nov 2, 202651-20089 contacts →

Exact match

“CbS Technologies Pvt Ltd, a leading manufacturer and exporter of Oil Filtration and separation machines and Waste Engineering machines, designed to enhance the efficiency and…”

Recorded in the RevenueBase company graph · Nov 2, 2026 · View company records in RevenueBase
3Exact matchVadodara, IndiaHQ recorded Nov 2, 2026201-50088 contacts →

Exact match

“Filsep was founded in 1996 in Vadodara, Gujarat ( India) with the core objective of providing Process engineering and Filtration technology-based solutions to customers in the…”

Recorded in the RevenueBase company graph · Nov 2, 2026 · View company records in RevenueBase
4Exact matchAhmedabad, IndiaHQ recorded Nov 2, 202651-20032 contacts →

Exact match

“A Recognized leader in the field of Process Vacuum equipment particularly high voltage Insulation drying.”

Recorded in the RevenueBase company graph · Nov 2, 2026 · View company records in RevenueBase
5Exact matchDelhi Ncr, IndiaHQ recorded Nov 2, 202651-20027 contacts →

Exact match

“Change your Thinking…not your Oil!#TheCompleteClean At Klarol®, our mission is simple: keep oil clean, whether it powers critical machinery or fries the food you serve every day.”

Recorded in the RevenueBase company graph · Nov 2, 2026 · View company records in RevenueBase
6Exact matchGurgaon, IndiaHQ recorded Nov 2, 202651-20024 contacts →

Exact match

“Manufacturers of hydraulic oil filtration equipment, Kleenoil Filtration India has come a long way since its inception in the year 1988.”

Recorded in the RevenueBase company graph · Nov 2, 2026 · View company records in RevenueBase
7Exact matchNew Delhi, IndiaHQ recorded Nov 2, 202611-5012 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 · Nov 2, 2026 · View company records in RevenueBase
8Exact matchThane, IndiaHQ recorded Nov 2, 202611-507 contacts →

Exact match

“Setting the Benchmark in the industry, HY-PURE provides pioneering lubricant oil conditioning solutions that outperform Global competition!”

Recorded in the RevenueBase company graph · Nov 2, 2026 · View company records in RevenueBase
9Exact matchHyderabad, IndiaHQ recorded Nov 2, 20261-102 contacts →

Exact match

Recorded description not available.

Recorded in the RevenueBase company graph · Nov 2, 2026 · View company records in RevenueBase
10Exact matchBangalore, IndiaHQ recorded Nov 2, 20261-102 contacts →

Exact match

“Product offerings- Desiccant and Non-Desiccant Breathers - to protect Oil from Airborne Contamination - Visual Oil Analysis Products - to enhance visibility of Oil in Equipment -…”

Recorded in the RevenueBase company graph · Nov 2, 2026 · View company records in RevenueBase
11Exact matchBangalore, IndiaHQ recorded Nov 2, 202651-2001 contacts →

Exact match

“Suppliers of DAKSHIN TRANSFORMER OIL MULTI STAGE GAS EXTRACTOR, D-TOMGET,MODEL:1207 for Dissolved Gas Analysis of Transformer Oil.We also supply Transformer Oil Sampling Tubes in…”

Recorded in the RevenueBase company graph · Nov 2, 2026 · View company records in RevenueBase

Showing 11 of 107 transformer oil purifiers suppliers based in India

See the full list, filter by size, metro and specialty, and access 59 tracked professional contacts with verified work emails. Direct dials are available where recorded.

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Transformer oil purifiers suppliers based in India at a glance

As of Nov 2, 2026
4.5%Verified-email coverage
12.2Average contacts per company
11-50Median size (employees)
10.3%Largest-city concentration · Pune
Nov 2, 2026Page data refreshed

Companies by employee count

1-10
24
11-50
38
51-200
36
201-500
7
501-1,000
2

Email recency for this list is measured worldwide rather than for India, so it is reported there. Company counts and contact totals on this page are exact for India, over 107 companies.

How this list was built

The recorded descriptions help you assess these company matches. Check a company’s website for its current services and locations.

Source
The RevenueBase company graph: 60 million companies and 398.9 million professional contacts resolved from primary sources, queried with RevenueBase SmartSearch, the natural-language company search available to every RevenueBase user.
What qualifies
Company records associated with India whose business descriptions match “transformer oil purifiers suppliers” by meaning at the Exact setting. Descriptions are compiled in the RevenueBase company graph from public websites, profiles and company information where available; they are not guaranteed quotations from the company's website.
RevenueBase SmartSearch
Describe a niche company in your own words to find businesses by meaning. Exact, Similar, Related and Broad control the breadth of RevenueBase SmartSearch. This saved list uses Exact. Each row's Exact match badge shows inclusion in that search, not an individual score or a service-quality judgment.
Public preview
The public preview omits records without a verified work email. Where headquarters information is recorded, preview rows are also filtered to this page’s location. Dataset totals and geographic summaries describe the full matched records before these preview filters.
Match quality
RevenueBase's August 25, 2026 study assessed 4,198 description/company pairs across matching settings. The publisher reports 86% good or better at Exact. This evaluates the method across queries; it does not audit this individual list. Recorded company descriptions, where available, help you judge each match yourself. Read the full methodology: how the lists are built and what the study measures.
Ranking
Team size, largest first: companies are ordered by the number of professionals RevenueBase tracks at each one. Employee ranges shown are reported bands, for context.
Verification
Every displayed company carries at least one verified work email. RevenueBase tracks 59 professional contacts with verified work emails across the full matched dataset. Contacts re-verify on a rolling cadence, and each contact's own verification date is shown inside RevenueBase.
Refresh
This page's figures were pulled from the company graph on November 2, 2026. Lists refresh periodically as the graph is re-checked.
Record context
Company records and descriptions can change. Check the company's website for its current services and locations.

Frequently asked

What is RevenueBase SmartSearch?

RevenueBase SmartSearch finds niche companies by the meaning of their business descriptions in the RevenueBase company graph. Exact, Similar, Related and Broad control how closely companies must fit your description. This list uses Exact for “transformer oil purifiers suppliers”; each Exact match badge shows search membership, not an individual similarity or quality score.

How many transformer oil purifiers suppliers are there based in India?

RevenueBase identified 107 company matches for transformer oil purifiers suppliers associated with India as of November 2026, using the meaning of business descriptions at Exact. This is the recorded matched set in the RevenueBase company graph.

What is the largest company on this list?

Voltamp Transformers Limited tops the displayed preview by professional contacts tracked in RevenueBase. Recorded headquarters appear in the company rows.

Which city has the most transformer oil purifiers suppliers?

Pune leads with 11 company records, followed by Bangalore (8) and Vadodara (7).

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 59 professional contacts with verified work emails tracked across these 107 companies; direct dials are available where recorded.

How current is this list?

The list refreshes periodically as the company graph is re-checked. This page's figures were pulled on November 2, 2026.

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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.