Company lists · Data refreshed October 2026
Top 21 Insulating oil purifiers suppliers based in the United States
RevenueBase identified 43 company matches for insulating oil purifiers suppliers associated with the United States as of October 2026 and tracks 493 professional contacts across them, including 161 with verified work emails. Breckenridge is the largest hub.
This list covers company matches for insulating oil purifiers suppliers associated with the United States, 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 27, 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 21 largest insulating oil purifiers suppliers based in the United States
Ranked by team size| # | Company | Contacts | |||
|---|---|---|---|---|---|
| 1 | 144 contacts → | ||||
Exact match “Emerald Transformer is the premier national single-source solution for oil-filled electrical equipment with services including repair, re-manufacturing, field technical services…” Recorded in the RevenueBase company graph · Oct 27, 2026 · View company records in RevenueBase | |||||
| 2 | 62 contacts → | ||||
Exact match “At Donaldson Hy-Pro, our mission is to make our customers as efficient as possible.” Recorded in the RevenueBase company graph · Oct 27, 2026 · View company records in RevenueBase | |||||
| 3 | 23 contacts → | ||||
Exact match “Oil Filtration Systems® manufactures Oil Purification Equipment designed to remove contamination (water, particulate, varnish, and/or entrained gases) from a wide variety of…” Recorded in the RevenueBase company graph · Oct 27, 2026 · View company records in RevenueBase | |||||
| 4 | 20 contacts → | ||||
Exact match “OILKLEEN® is a private Corporation located in Norfolk and Suffolk, Virginia and has developed and manufactured the most advanced oil filtration technologies in the world.” Recorded in the RevenueBase company graph · Oct 27, 2026 · View company records in RevenueBase | |||||
| 5 | 10 contacts → | ||||
Exact match Recorded description not available. Recorded in the RevenueBase company graph · Oct 27, 2026 · View company records in RevenueBase | |||||
| 6 | 9 contacts → | ||||
Exact match “G&S Technologies, part of the G&S Family of Companies, is the North American leader in the removal, recycling, disposal and repair of transformers and other oil-filled electrical…” Recorded in the RevenueBase company graph · Oct 27, 2026 · View company records in RevenueBase | |||||
| 7 | 6 contacts → | ||||
Exact match “SESCO is a major supplier of a wide range of mobile transformer vacuum processing and mobile dielectric fluid filling, filtration, conditioning, and regeneration equipment.” Recorded in the RevenueBase company graph · Oct 27, 2026 · View company records in RevenueBase | |||||
| 8 | 6 contacts → | ||||
Exact match “HENEK manufactures industrial filter replacements and fully engineered filtration systems.” Recorded in the RevenueBase company graph · Oct 27, 2026 · View company records in RevenueBase | |||||
| 9 | 5 contacts → | ||||
Exact match “Premier manufacture, specializing in industrial oil filtration equipment.” Recorded in the RevenueBase company graph · Oct 27, 2026 · View company records in RevenueBase | |||||
| 10 | 5 contacts → | ||||
Exact match “TCI of NY is your one-stop solution for recycling, disposal and repair of transformers and other oil-filled electrical equipment, bulk and drummed oils and PILC cable, as well as…” Recorded in the RevenueBase company graph · Oct 27, 2026 · View company records in RevenueBase | |||||
| 11 | 5 contacts → | ||||
Exact match “Located in Riverside, MO, Commercial Industrial Supply is the authorized distributor of Clean Burn waste oil furnaces, Landa and Alkota pressure washers and Val6 radiant heaters.” Recorded in the RevenueBase company graph · Oct 27, 2026 · View company records in RevenueBase | |||||
| 12 | 4 contacts → | ||||
Exact match “EnerWells is an engineering, distribution and consulting company servicing throughout the upstream, midstream and downstream sectors of the oil & gas and chemical industries.” Recorded in the RevenueBase company graph · Oct 27, 2026 · View company records in RevenueBase | |||||
| 13 | 4 contacts → | ||||
Exact match “Environmental Management of KC, LLC (EMI) was founded in 1997 in Kansas City, Kansas.” Recorded in the RevenueBase company graph · Oct 27, 2026 · View company records in RevenueBase | |||||
| 14 | 4 contacts → | ||||
Exact match Recorded description not available. Recorded in the RevenueBase company graph · Oct 27, 2026 · View company records in RevenueBase | |||||
| 15 | 3 contacts → | ||||
Exact match “COMO Filtration Systems manufactures equipment designed to filter or recycle industrial fluids.” Recorded in the RevenueBase company graph · Oct 27, 2026 · View company records in RevenueBase | |||||
| 16 | 2 contacts → | ||||
Exact match “Specializing in filtration and pumping solutions.” Recorded in the RevenueBase company graph · Oct 27, 2026 · View company records in RevenueBase | |||||
| 17 | 2 contacts → | ||||
Exact match Recorded description not available. Recorded in the RevenueBase company graph · Oct 27, 2026 · View company records in RevenueBase | |||||
| 18 | 2 contacts → | ||||
Exact match “FPJ Manufacturing, LLC DBA: FPJ Filters Manufacturer of Industrial grade filtration products.” Recorded in the RevenueBase company graph · Oct 27, 2026 · View company records in RevenueBase | |||||
| 19 | 2 contacts → | ||||
Exact match Recorded description not available. Recorded in the RevenueBase company graph · Oct 27, 2026 · View company records in RevenueBase | |||||
| 20 | 1 contacts → | ||||
Exact match “Filter IT is a team dedicated to providing thorough oil purification services like high velocity oil flushing, dehydration, varnish mitigation and more to maximize the life of…” Recorded in the RevenueBase company graph · Oct 27, 2026 · View company records in RevenueBase | |||||
| 21 | 1 contacts → | ||||
Exact match “In 1994, DSI introduced the newest generation of functional fluids by developing synthetic oils to replace petroleum and silicone based fluids.” Recorded in the RevenueBase company graph · Oct 27, 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 “insulating oil purifiers 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 21 of 43 insulating oil purifiers suppliers based in the United States
See the full list, filter by size, metro and specialty, and access 161 tracked professional contacts with verified work emails. Direct dials are available where recorded.
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Insulating oil purifiers suppliers based in the United States at a glance
As of Oct 27, 2026Companies by employee count
Email recency for this list is measured worldwide rather than for United States, so it is reported there. Company counts and contact totals on this page are exact for United States, over 43 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 the United States whose business descriptions match “insulating 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 161 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 27, 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 “insulating oil purifiers suppliers”; each Exact match badge shows search membership, not an individual similarity or quality score.
How many insulating oil purifiers suppliers are there based in the United States?
RevenueBase identified 43 company matches for insulating oil purifiers suppliers associated with the United States 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?
Emerald Transformer tops the displayed preview by professional contacts tracked in RevenueBase. Recorded headquarters appear in the company rows.
Which city has the most insulating oil purifiers suppliers?
Breckenridge leads with 2 company records, followed by Houston (2) and San Antonio (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 161 professional contacts with verified work emails tracked across these 43 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 27, 2026.
Ready to reach these companies? Verified emails and direct dials for all 43 insulating oil purifiers suppliers based in the United States. Start with a free account, no credit card.
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Insulating oil purifiers suppliers by geography
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 21 insulating oil purifiers suppliers based in the United States
Find companies in any niche.
Describe the businesses you want in your own words. RevenueBase SmartSearch matches company descriptions by meaning.
RevenueBase records 43 matching company records for insulating oil purifiers suppliers based in the United States, with 493 tracked contacts and 161 verified work emails.
This public preview shows 21 selected records ordered by tracked contacts. RevenueBase SmartSearch finds company descriptions that match by meaning at Exact. Snapshot: October 27, 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 21 insulating oil purifiers suppliers based in the United States
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 | Emerald Transformeremeraldtransformer.com HQ: Mckinney, TX, United StatesReported employees: 201-500 | Mckinney, TX, United States | 201-500 | Exact match | 144 contacts → |
“Emerald Transformer is the premier national single-source solution for oil-filled electrical equipment with services including repair, re-manufacturing, field technical services…” Recorded description excerpt · October 27, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 2 | Donaldson Hy-Prohyprofiltration.com HQ: Anderson, IN, United StatesReported employees: 51-200 | Anderson, IN, United States | 51-200 | Exact match | 62 contacts → |
“At Donaldson Hy-Pro, our mission is to make our customers as efficient as possible.” Recorded description excerpt · October 27, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 3 | OIL Filtration Systemsoilfiltrationsystems.com HQ: Boerne, TX, United StatesReported employees: 11-50 | Boerne, TX, United States | 11-50 | Exact match | 23 contacts → |
“Oil Filtration Systems® manufactures Oil Purification Equipment designed to remove contamination (water, particulate, varnish, and/or entrained gases) from a wide variety of…” Recorded description excerpt · October 27, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 4 | Oilkleenoilkleen.com HQ: Suffolk, VA, United StatesReported employees: 11-50 | Suffolk, VA, United States | 11-50 | Exact match | 20 contacts → |
“OILKLEEN® is a private Corporation located in Norfolk and Suffolk, Virginia and has developed and manufactured the most advanced oil filtration technologies in the world.” Recorded description excerpt · October 27, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 5 | Clearflow Solutionsclearflowsolutions.com HQ: Cypress, TX, United StatesReported employees: 11-50 | Cypress, TX, United States | 11-50 | Exact match | 10 contacts → |
No recorded description excerpt is available for this public record. | |||||
| 6 | G&s Technologiesgstechnologies.com HQ: Kearny, NJ, United StatesReported employees: 51-200 | Kearny, NJ, United States | 51-200 | Exact match | 9 contacts → |
“G&S Technologies, part of the G&S Family of Companies, is the North American leader in the removal, recycling, disposal and repair of transformers and other oil-filled electrical…” Recorded description excerpt · October 27, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 7 | Sesco OIL Purificationsesco-inc.com HQ: Fort Wayne, IN, United StatesReported employees: 11-50 | Fort Wayne, IN, United States | 11-50 | Exact match | 6 contacts → |
“SESCO is a major supplier of a wide range of mobile transformer vacuum processing and mobile dielectric fluid filling, filtration, conditioning, and regeneration equipment.” Recorded description excerpt · October 27, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 8 | Henek Manufacturing, INChenekmfg.com HQ: Houston, TX, United StatesReported employees: 11-50 | Houston, TX, United States | 11-50 | Exact match | 6 contacts → |
“HENEK manufactures industrial filter replacements and fully engineered filtration systems.” Recorded description excerpt · October 27, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 9 | NO Limit OIL Filtration Technologies, LLCnloftllc.com HQ: San Antonio, TX, United StatesReported employees: 1-10 | San Antonio, TX, United States | 1-10 | Exact match | 5 contacts → |
“Premier manufacture, specializing in industrial oil filtration equipment.” Recorded description excerpt · October 27, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 10 | TCI Of Ny, LLCtci-ny.com HQ: Hudson, NY, United StatesReported employees: 11-50 | Hudson, NY, United States | 11-50 | Exact match | 5 contacts → |
“TCI of NY is your one-stop solution for recycling, disposal and repair of transformers and other oil-filled electrical equipment, bulk and drummed oils and PILC cable, as well as…” Recorded description excerpt · October 27, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 11 | Commercial Industrial Supply, LLCciscokc.com HQ: Riverside, MO, United StatesReported employees: 1-10 | Riverside, MO, United States | 1-10 | Exact match | 5 contacts → |
“Located in Riverside, MO, Commercial Industrial Supply is the authorized distributor of Clean Burn waste oil furnaces, Landa and Alkota pressure washers and Val6 radiant heaters.” Recorded description excerpt · October 27, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 12 | Enerwellsenerwells.com HQ: La Porte, TX, United StatesReported employees: 1-10 | La Porte, TX, United States | 1-10 | Exact match | 4 contacts → |
“EnerWells is an engineering, distribution and consulting company servicing throughout the upstream, midstream and downstream sectors of the oil & gas and chemical industries.” Recorded description excerpt · October 27, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 13 | EMI Of KCemiofkc.com HQ: Kansas City, KS, United StatesReported employees: 51-200 | Kansas City, KS, United States | 51-200 | Exact match | 4 contacts → |
“Environmental Management of KC, LLC (EMI) was founded in 1997 in Kansas City, Kansas.” Recorded description excerpt · October 27, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 14 | Industrial Action Services, INCindustrialactionservices.com HQ: Huntington, TX, United StatesReported employees: 1-10 | Huntington, TX, United States | 1-10 | Exact match | 4 contacts → |
No recorded description excerpt is available for this public record. | |||||
| 15 | Como Filtration Systemscomofiltration.com HQ: Janesville, WI, United StatesReported employees: 11-50 | Janesville, WI, United States | 11-50 | Exact match | 3 contacts → |
“COMO Filtration Systems manufactures equipment designed to filter or recycle industrial fluids.” Recorded description excerpt · October 27, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 16 | SC Industrial Sales LLCscindustrialsales.com HQ: Nashua, NH, United StatesReported employees: 1-10 | Nashua, NH, United States | 1-10 | Exact match | 2 contacts → |
“Specializing in filtration and pumping solutions.” Recorded description excerpt · October 27, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 17 | HTI Filtration, INChtifiltration.com HQ: Stanton, CA, United StatesReported employees: 11-50 | Stanton, CA, United States | 11-50 | Exact match | 2 contacts → |
No recorded description excerpt is available for this public record. | |||||
| 18 | FPJ Manufacturing, LLCfpj-mfg.com HQ: Houston, TX, United StatesReported employees: 11-50 | Houston, TX, United States | 11-50 | Exact match | 2 contacts → |
“FPJ Manufacturing, LLC DBA: FPJ Filters Manufacturer of Industrial grade filtration products.” Recorded description excerpt · October 27, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 19 | Keltec INCkeltecinc.com HQ: Twinsburg, OH, United StatesReported employees: 1-10 | Twinsburg, OH, United States | 1-10 | Exact match | 2 contacts → |
No recorded description excerpt is available for this public record. | |||||
| 20 | Filteritfilteritservices.com HQ: Denham Springs, LA, United StatesReported employees: 1-10 | Denham Springs, LA, United States | 1-10 | Exact match | 1 contacts → |
“Filter IT is a team dedicated to providing thorough oil purification services like high velocity oil flushing, dehydration, varnish mitigation and more to maximize the life of…” Recorded description excerpt · October 27, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 21 | DSI Ventures, INCdsiventures.com HQ: Tyler, TX, United StatesReported employees: 1-10 | Tyler, TX, United States | 1-10 | Exact match | 1 contacts → |
“In 1994, DSI introduced the newest generation of functional fluids by developing synthetic oils to replace petroleum and silicone based fluids.” Recorded description excerpt · October 27, 2026Open company data in RevenueBase ↗Free signup required. | |||||
Showing 21 of 43 company matches
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Insulating oil purifiers suppliers: dataset insights
October 27, 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
43 records in the displayed employee bands.
0 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 worldwide rather than for United States, so it is reported there. Company counts and contact totals on this page are exact for United States, over 43 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 27, 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 insulating oil purifiers 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 insulating oil purifiers suppliers did RevenueBase find based in the United States?
The saved snapshot records 43 matching company records, 493 tracked contacts and 161 verified emails. The public preview displays 21 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 27, 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
Insulating oil purifiers suppliers by geography
Cite this list
RevenueBase Data Team. Top 21 insulating oil purifiers suppliers based in the United States. Snapshot: October 27, 2026. https://revenuebase.ai/companies/insulating-oil-purifiers-suppliers/united-states.
This is a selected public preview of saved company records, rather than an independently verified census. Open the source page ↗
More company lists
- All company lists
- Lists by location
- Lists A-Z
- New lists
- Insulating oil purifiers suppliers based in Brazil
- AI companies based in the United States
- Cybersecurity companies based in the United States
- Manufacturing companies based in the United States
- Media companies based in the United States
- Oil and gas companies based in the United States
Company intelligence · public preview
Top 21 insulating oil purifiers suppliers based in the United States
RevenueBase records 43 matching company records for insulating oil purifiers suppliers based in the United States, with 493 tracked contacts and 161 verified work emails.
This public preview shows 21 selected records ordered by tracked contacts. RevenueBase SmartSearch finds company descriptions that match by meaning at Exact. Snapshot: October 27, 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 21 insulating oil purifiers suppliers based in the United States
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 | Emerald Transformeremeraldtransformer.com HQ: Mckinney, TX, United StatesReported employees: 201-500 | Mckinney, TX, United States | 201-500 | Exact match | 144 contacts → |
“Emerald Transformer is the premier national single-source solution for oil-filled electrical equipment with services including repair, re-manufacturing, field technical services…” Recorded description excerpt · October 27, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 2 | Donaldson Hy-Prohyprofiltration.com HQ: Anderson, IN, United StatesReported employees: 51-200 | Anderson, IN, United States | 51-200 | Exact match | 62 contacts → |
“At Donaldson Hy-Pro, our mission is to make our customers as efficient as possible.” Recorded description excerpt · October 27, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 3 | OIL Filtration Systemsoilfiltrationsystems.com HQ: Boerne, TX, United StatesReported employees: 11-50 | Boerne, TX, United States | 11-50 | Exact match | 23 contacts → |
“Oil Filtration Systems® manufactures Oil Purification Equipment designed to remove contamination (water, particulate, varnish, and/or entrained gases) from a wide variety of…” Recorded description excerpt · October 27, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 4 | Oilkleenoilkleen.com HQ: Suffolk, VA, United StatesReported employees: 11-50 | Suffolk, VA, United States | 11-50 | Exact match | 20 contacts → |
“OILKLEEN® is a private Corporation located in Norfolk and Suffolk, Virginia and has developed and manufactured the most advanced oil filtration technologies in the world.” Recorded description excerpt · October 27, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 5 | Clearflow Solutionsclearflowsolutions.com HQ: Cypress, TX, United StatesReported employees: 11-50 | Cypress, TX, United States | 11-50 | Exact match | 10 contacts → |
No recorded description excerpt is available for this public record. | |||||
| 6 | G&s Technologiesgstechnologies.com HQ: Kearny, NJ, United StatesReported employees: 51-200 | Kearny, NJ, United States | 51-200 | Exact match | 9 contacts → |
“G&S Technologies, part of the G&S Family of Companies, is the North American leader in the removal, recycling, disposal and repair of transformers and other oil-filled electrical…” Recorded description excerpt · October 27, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 7 | Sesco OIL Purificationsesco-inc.com HQ: Fort Wayne, IN, United StatesReported employees: 11-50 | Fort Wayne, IN, United States | 11-50 | Exact match | 6 contacts → |
“SESCO is a major supplier of a wide range of mobile transformer vacuum processing and mobile dielectric fluid filling, filtration, conditioning, and regeneration equipment.” Recorded description excerpt · October 27, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 8 | Henek Manufacturing, INChenekmfg.com HQ: Houston, TX, United StatesReported employees: 11-50 | Houston, TX, United States | 11-50 | Exact match | 6 contacts → |
“HENEK manufactures industrial filter replacements and fully engineered filtration systems.” Recorded description excerpt · October 27, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 9 | NO Limit OIL Filtration Technologies, LLCnloftllc.com HQ: San Antonio, TX, United StatesReported employees: 1-10 | San Antonio, TX, United States | 1-10 | Exact match | 5 contacts → |
“Premier manufacture, specializing in industrial oil filtration equipment.” Recorded description excerpt · October 27, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 10 | TCI Of Ny, LLCtci-ny.com HQ: Hudson, NY, United StatesReported employees: 11-50 | Hudson, NY, United States | 11-50 | Exact match | 5 contacts → |
“TCI of NY is your one-stop solution for recycling, disposal and repair of transformers and other oil-filled electrical equipment, bulk and drummed oils and PILC cable, as well as…” Recorded description excerpt · October 27, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 11 | Commercial Industrial Supply, LLCciscokc.com HQ: Riverside, MO, United StatesReported employees: 1-10 | Riverside, MO, United States | 1-10 | Exact match | 5 contacts → |
“Located in Riverside, MO, Commercial Industrial Supply is the authorized distributor of Clean Burn waste oil furnaces, Landa and Alkota pressure washers and Val6 radiant heaters.” Recorded description excerpt · October 27, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 12 | Enerwellsenerwells.com HQ: La Porte, TX, United StatesReported employees: 1-10 | La Porte, TX, United States | 1-10 | Exact match | 4 contacts → |
“EnerWells is an engineering, distribution and consulting company servicing throughout the upstream, midstream and downstream sectors of the oil & gas and chemical industries.” Recorded description excerpt · October 27, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 13 | EMI Of KCemiofkc.com HQ: Kansas City, KS, United StatesReported employees: 51-200 | Kansas City, KS, United States | 51-200 | Exact match | 4 contacts → |
“Environmental Management of KC, LLC (EMI) was founded in 1997 in Kansas City, Kansas.” Recorded description excerpt · October 27, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 14 | Industrial Action Services, INCindustrialactionservices.com HQ: Huntington, TX, United StatesReported employees: 1-10 | Huntington, TX, United States | 1-10 | Exact match | 4 contacts → |
No recorded description excerpt is available for this public record. | |||||
| 15 | Como Filtration Systemscomofiltration.com HQ: Janesville, WI, United StatesReported employees: 11-50 | Janesville, WI, United States | 11-50 | Exact match | 3 contacts → |
“COMO Filtration Systems manufactures equipment designed to filter or recycle industrial fluids.” Recorded description excerpt · October 27, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 16 | SC Industrial Sales LLCscindustrialsales.com HQ: Nashua, NH, United StatesReported employees: 1-10 | Nashua, NH, United States | 1-10 | Exact match | 2 contacts → |
“Specializing in filtration and pumping solutions.” Recorded description excerpt · October 27, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 17 | HTI Filtration, INChtifiltration.com HQ: Stanton, CA, United StatesReported employees: 11-50 | Stanton, CA, United States | 11-50 | Exact match | 2 contacts → |
No recorded description excerpt is available for this public record. | |||||
| 18 | FPJ Manufacturing, LLCfpj-mfg.com HQ: Houston, TX, United StatesReported employees: 11-50 | Houston, TX, United States | 11-50 | Exact match | 2 contacts → |
“FPJ Manufacturing, LLC DBA: FPJ Filters Manufacturer of Industrial grade filtration products.” Recorded description excerpt · October 27, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 19 | Keltec INCkeltecinc.com HQ: Twinsburg, OH, United StatesReported employees: 1-10 | Twinsburg, OH, United States | 1-10 | Exact match | 2 contacts → |
No recorded description excerpt is available for this public record. | |||||
| 20 | Filteritfilteritservices.com HQ: Denham Springs, LA, United StatesReported employees: 1-10 | Denham Springs, LA, United States | 1-10 | Exact match | 1 contacts → |
“Filter IT is a team dedicated to providing thorough oil purification services like high velocity oil flushing, dehydration, varnish mitigation and more to maximize the life of…” Recorded description excerpt · October 27, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 21 | DSI Ventures, INCdsiventures.com HQ: Tyler, TX, United StatesReported employees: 1-10 | Tyler, TX, United States | 1-10 | Exact match | 1 contacts → |
“In 1994, DSI introduced the newest generation of functional fluids by developing synthetic oils to replace petroleum and silicone based fluids.” Recorded description excerpt · October 27, 2026Open company data in RevenueBase ↗Free signup required. | |||||
Showing 21 of 43 company matches
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Insulating oil purifiers suppliers: dataset insights
October 27, 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
43 records in the displayed employee bands.
0 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 worldwide rather than for United States, so it is reported there. Company counts and contact totals on this page are exact for United States, over 43 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 27, 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 insulating oil purifiers 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 insulating oil purifiers suppliers did RevenueBase find based in the United States?
The saved snapshot records 43 matching company records, 493 tracked contacts and 161 verified emails. The public preview displays 21 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 27, 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
Insulating oil purifiers suppliers by geography
Cite this list
RevenueBase Data Team. Top 21 insulating oil purifiers suppliers based in the United States. Snapshot: October 27, 2026. https://revenuebase.ai/companies/insulating-oil-purifiers-suppliers/united-states.
This is a selected public preview of saved company records, rather than an independently verified census. Open the source page ↗
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