Company lists · Data refreshed November 2026
Top 20 Retrofit emi suppression filter suppliers based in the United States
RevenueBase identified 32 company matches for retrofit emi suppression filter suppliers associated with the United States as of November 2026 and tracks 396 professional contacts across them, including 141 with verified work emails. Albuquerque is the largest hub.
This list covers company matches for retrofit emi suppression filter 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 November 1, 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 20 largest retrofit emi suppression filter suppliers based in the United States
Ranked by team size| # | Company | Contacts | |||
|---|---|---|---|---|---|
| 1 | 62 contacts → | ||||
Exact match “Universal Air Filter Company ("UAF") designs and manufactures custom air filters and EMI shielding products used to protect commercial equipment and electronics enclosures.” Recorded in the RevenueBase company graph · Nov 1, 2026 · View company records in RevenueBase | |||||
| 2 | 60 contacts → | ||||
Exact match “Leader Tech is a world-leading innovator and U.S.” Recorded in the RevenueBase company graph · Nov 1, 2026 · View company records in RevenueBase | |||||
| 3 | 34 contacts → | ||||
Exact match “ITG has been a leading electrical and mechanical components, EMI Module and Power Module supplier since 1963.” Recorded in the RevenueBase company graph · Nov 1, 2026 · View company records in RevenueBase | |||||
| 4 | 25 contacts → | ||||
Exact match “NexTek is the premier source for Coaxial/RF Surge Protection and High Current EMC/EMI Filters.” Recorded in the RevenueBase company graph · Nov 1, 2026 · View company records in RevenueBase | |||||
| 5 | 23 contacts → | ||||
Exact match “Captor Corporation is an electrical/electronic manufacturing company based out of United States.” Recorded in the RevenueBase company graph · Nov 1, 2026 · View company records in RevenueBase | |||||
| 6 | 20 contacts → | ||||
Exact match “Curtis Industries is a manufacturer of both standard and custom terminal blocks and EMI/RFI filters as well as a variety of custom controls and cable assemblies.” Recorded in the RevenueBase company graph · Nov 1, 2026 · View company records in RevenueBase | |||||
| 7 | 20 contacts → | ||||
Exact match “Quell is the maker of the EESeal FilterSeals brand of EMI Filters, Retrofit Inserts, and Transient Suppressors.” Recorded in the RevenueBase company graph · Nov 1, 2026 · View company records in RevenueBase | |||||
| 8 | 18 contacts → | ||||
Exact match Recorded description not available. Recorded in the RevenueBase company graph · Nov 1, 2026 · View company records in RevenueBase | |||||
| 9 | 17 contacts → | ||||
Exact match “Established in 1959, WEMS Electronics is a full service turn-key Small Business with an extensive complex specializing in state-of-the-art EMI custom filters, engineering and…” Recorded in the RevenueBase company graph · Nov 1, 2026 · View company records in RevenueBase | |||||
| 10 | 15 contacts → | ||||
Exact match “Spira has been a trusted partner to the EMC community since 1978, delivering precision-engineered solutions for Electromagnetic Interference (EMI) and Radio-Frequency Interference…” Recorded in the RevenueBase company graph · Nov 1, 2026 · View company records in RevenueBase | |||||
| 11 | 14 contacts → | ||||
Exact match “Whether it’s a research center, medical facility, laboratory, or commercial/residential high-rise buildings, Vitatech has the expertise and experience to provide guaranteed…” Recorded in the RevenueBase company graph · Nov 1, 2026 · View company records in RevenueBase | |||||
| 12 | 11 contacts → | ||||
Exact match “The Enerdoor Group is an international leader in the development and production of EMC solutions for automated and industrial machinery.” Recorded in the RevenueBase company graph · Nov 1, 2026 · View company records in RevenueBase | |||||
| 13 | 9 contacts → | ||||
Exact match “East Coast Shielding specializes in providing top-tier EMI gaskets, RFI shielding, and EMI RFI shielding solutions to meet our customers' unique demands.” Recorded in the RevenueBase company graph · Nov 1, 2026 · View company records in RevenueBase | |||||
| 14 | 9 contacts → | ||||
Exact match “EMI Solutions is a premier Southern California manufacturer of EMI Filters and Filtered Connectors and Transient Suppression products serving the Military, Medical and Industrial…” Recorded in the RevenueBase company graph · Nov 1, 2026 · View company records in RevenueBase | |||||
| 15 | 8 contacts → | ||||
Exact match “Established in 1966,Kern Engineering & Manufacturing Corp.” Recorded in the RevenueBase company graph · Nov 1, 2026 · View company records in RevenueBase | |||||
| 16 | 7 contacts → | ||||
Exact match “EFC/Wesco is your leading source for film capacitors.” Recorded in the RevenueBase company graph · Nov 1, 2026 · View company records in RevenueBase | |||||
| 17 | 5 contacts → | ||||
Exact match “MAJR Products Corp.” Recorded in the RevenueBase company graph · Nov 1, 2026 · View company records in RevenueBase | |||||
| 18 | 2 contacts → | ||||
Exact match “We specialize in high temperature, high reliability and highest energy density electronic components, power sub-system design and custom EMI, TVS and ESD filters.” Recorded in the RevenueBase company graph · Nov 1, 2026 · View company records in RevenueBase | |||||
| 19 | 2 contacts → | ||||
Exact match “A manufacturer of EMI Products and Gaskets with over 25 years of experience in design, engineering and manufacturing for the Military, Aerospace, Electronics and Medical…” Recorded in the RevenueBase company graph · Nov 1, 2026 · View company records in RevenueBase | |||||
| 20 | 1 contacts → | ||||
Exact match “Southwest EMI provides consulting services in the field of electromagnetic interference/compatibility.” Recorded in the RevenueBase company graph · Nov 1, 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 “retrofit emi suppression filter 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 20 of 32 retrofit emi suppression filter suppliers based in the United States
See the full list, filter by size, metro and specialty, and access 141 tracked professional contacts with verified work emails. Direct dials are available where recorded.
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Retrofit emi suppression filter suppliers based in the United States at a glance
As of Nov 1, 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 32 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 “retrofit emi suppression filter 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 141 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 1, 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 “retrofit emi suppression filter suppliers”; each Exact match badge shows search membership, not an individual similarity or quality score.
How many retrofit emi suppression filter suppliers are there based in the United States?
RevenueBase identified 32 company matches for retrofit emi suppression filter suppliers associated with the United States 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?
Universal AIR Filter tops the displayed preview by professional contacts tracked in RevenueBase. Recorded headquarters appear in the company rows.
Which city has the most retrofit emi suppression filter suppliers?
Albuquerque leads with 1 company records, followed by Amherst (1) and Bensalem (1).
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 141 professional contacts with verified work emails tracked across these 32 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 1, 2026.
Ready to reach these companies? Verified emails and direct dials for all 32 retrofit emi suppression filter suppliers based in the United States. 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 20 retrofit emi suppression filter 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 32 matching company records for retrofit emi suppression filter suppliers based in the United States, with 396 tracked contacts and 141 verified work emails.
This public preview shows 20 selected records ordered by tracked contacts. RevenueBase SmartSearch finds company descriptions that match by meaning at Exact. Snapshot: November 1, 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 20 retrofit emi suppression filter 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 | Universal AIR Filteruaf.com HQ: Sauget, IL, United StatesReported employees: 51-200 | Sauget, IL, United States | 51-200 | Exact match | 62 contacts → |
“Universal Air Filter Company ("UAF") designs and manufactures custom air filters and EMI shielding products used to protect commercial equipment and electronics enclosures.” Recorded description excerpt · November 1, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 2 | Leader Tech INCleadertechinc.com HQ: Tampa, FL, United StatesReported employees: 51-200 | Tampa, FL, United States | 51-200 | Exact match | 60 contacts → |
“Leader Tech is a world-leading innovator and U.S.” Recorded description excerpt · November 1, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 3 | ITG Electronicsitg-electronics.com HQ: Elmsford, NY, United StatesReported employees: 501-1,000 | Elmsford, NY, United States | 501-1,000 | Exact match | 34 contacts → |
“ITG has been a leading electrical and mechanical components, EMI Module and Power Module supplier since 1963.” Recorded description excerpt · November 1, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 4 | Nextek, LLCnextek.com HQ: North Billerica, MA, United StatesReported employees: 11-50 | North Billerica, MA, United States | 11-50 | Exact match | 25 contacts → |
“NexTek is the premier source for Coaxial/RF Surge Protection and High Current EMC/EMI Filters.” Recorded description excerpt · November 1, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 5 | Captor Corporationcaptorcorp.com HQ: Tipp City, OH, United StatesReported employees: 51-200 | Tipp City, OH, United States | 51-200 | Exact match | 23 contacts → |
“Captor Corporation is an electrical/electronic manufacturing company based out of United States.” Recorded description excerpt · November 1, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 6 | HQ: Milwaukee, WI, United StatesReported employees: 51-200 | Milwaukee, WI, United States | 51-200 | Exact match | 20 contacts → |
“Curtis Industries is a manufacturer of both standard and custom terminal blocks and EMI/RFI filters as well as a variety of custom controls and cable assemblies.” Recorded description excerpt · November 1, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 7 | Quell Corporationeeseal.com HQ: Albuquerque, NM, United StatesReported employees: 51-200 | Albuquerque, NM, United States | 51-200 | Exact match | 20 contacts → |
“Quell is the maker of the EESeal FilterSeals brand of EMI Filters, Retrofit Inserts, and Transient Suppressors.” Recorded description excerpt · November 1, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 8 | MTK Electronics, INCmtkelectronics.com HQ: Medford, NY, United StatesReported employees: 11-50 | Medford, NY, United States | 11-50 | Exact match | 18 contacts → |
No recorded description excerpt is available for this public record. | |||||
| 9 | Wems Electronicswems.com HQ: Hawthorne, CA, United StatesReported employees: 11-50 | Hawthorne, CA, United States | 11-50 | Exact match | 17 contacts → |
“Established in 1959, WEMS Electronics is a full service turn-key Small Business with an extensive complex specializing in state-of-the-art EMI custom filters, engineering and…” Recorded description excerpt · November 1, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 10 | Spira EMI Gasketsspira-emi.com HQ: San Fernando, CA, United StatesReported employees: 51-200 | San Fernando, CA, United States | 51-200 | Exact match | 15 contacts → |
“Spira has been a trusted partner to the EMC community since 1978, delivering precision-engineered solutions for Electromagnetic Interference (EMI) and Radio-Frequency Interference…” Recorded description excerpt · November 1, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 11 | Vitatech Electromagneticsvitatech.net HQ: Fredericksburg, VA, United StatesReported employees: 11-50 | Fredericksburg, VA, United States | 11-50 | Exact match | 14 contacts → |
“Whether it’s a research center, medical facility, laboratory, or commercial/residential high-rise buildings, Vitatech has the expertise and experience to provide guaranteed…” Recorded description excerpt · November 1, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 12 | Enerdoorenerdoor.com HQ: Portland, ME, United StatesReported employees: 201-500 | Portland, ME, United States | 201-500 | Exact match | 11 contacts → |
“The Enerdoor Group is an international leader in the development and production of EMC solutions for automated and industrial machinery.” Recorded description excerpt · November 1, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 13 | East Coast Shieldingeastcoastshielding.com HQ: Johnsonburg, NJ, United StatesReported employees: 11-50 | Johnsonburg, NJ, United States | 11-50 | Exact match | 9 contacts → |
“East Coast Shielding specializes in providing top-tier EMI gaskets, RFI shielding, and EMI RFI shielding solutions to meet our customers' unique demands.” Recorded description excerpt · November 1, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 14 | HQ: Irvine, CA, United StatesReported employees: 11-50 | Irvine, CA, United States | 11-50 | Exact match | 9 contacts → |
“EMI Solutions is a premier Southern California manufacturer of EMI Filters and Filtered Connectors and Transient Suppression products serving the Military, Medical and Industrial…” Recorded description excerpt · November 1, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 15 | Kern Engineering & Manufacturing Corpkerneng.com HQ: Chino, CA, United StatesReported employees: 501-1,000 | Chino, CA, United States | 501-1,000 | Exact match | 8 contacts → |
“Established in 1966,Kern Engineering & Manufacturing Corp.” Recorded description excerpt · November 1, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 16 | EFC Wescofilmcapacitors.com HQ: Waterbury, CT, United StatesReported employees: 11-50 | Waterbury, CT, United States | 11-50 | Exact match | 7 contacts → |
“EFC/Wesco is your leading source for film capacitors.” Recorded description excerpt · November 1, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 17 | Majr Productsmajr.com HQ: Saegertown, PA, United StatesReported employees: 11-50 | Saegertown, PA, United States | 11-50 | Exact match | 5 contacts → |
“MAJR Products Corp.” Recorded description excerpt · November 1, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 18 | Joule Sales & Marketing, LLCjoulesales.com HQ: Georgetown, TX, United StatesReported employees: 1-10 | Georgetown, TX, United States | 1-10 | Exact match | 2 contacts → |
“We specialize in high temperature, high reliability and highest energy density electronic components, power sub-system design and custom EMI, TVS and ESD filters.” Recorded description excerpt · November 1, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 19 | EAC Shielding, INCeacshielding.com HQ: La Habra, CA, United StatesReported employees: 1-10 | La Habra, CA, United States | 1-10 | Exact match | 2 contacts → |
“A manufacturer of EMI Products and Gaskets with over 25 years of experience in design, engineering and manufacturing for the Military, Aerospace, Electronics and Medical…” Recorded description excerpt · November 1, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 20 | Southwest Emi, LLCsouthwestemi.com HQ: Mesa, AZ, United StatesReported employees: 1-10 | Mesa, AZ, United States | 1-10 | Exact match | 1 contacts → |
“Southwest EMI provides consulting services in the field of electromagnetic interference/compatibility.” Recorded description excerpt · November 1, 2026Open company data in RevenueBase ↗Free signup required. | |||||
Showing 20 of 32 company matches
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Retrofit emi suppression filter suppliers: dataset insights
November 1, 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
32 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 32 companies.
How this company list was built
Describe a niche in your own words: companies installing commercial solar, or manufacturers of sustainable packaging. RevenueBase SmartSearch finds companies whose compiled business descriptions match by meaning. This list is one saved example to adapt.
Where the company descriptions come from
RevenueBase compiles company information from public sources, including company websites and public professional profiles such as LinkedIn, alongside information supplied by companies. The short recorded excerpt shown here is separate from the complete business description used for matching; individual source URLs and collection dates are not provided in this public snapshot.
RevenueBase SmartSearch matching settings
- Exact
- Closest fits to the business described.
- Similar
- Similar businesses with a wider range of fits.
- Related
- Related businesses in and around the category.
- Broad
- A broader set of businesses connected to the description.
RevenueBase SmartSearch · Exact match identifies inclusion in this search's closest semantic matching setting. It is not a per-company confidence score, a literal keyword match, or a quality endorsement.
Selection, ordering and scope
The public list shows selected company records with contact and verified-email coverage. Reported employee bands provide separate company-size context.
This page is derived from saved source records; per-contact mobile coverage and email-recency results are not established by this snapshot.
Recorded company descriptions support research; check company websites for current services. The selected preview is ordered by tracked contacts and is not a list of the best service providers.
Snapshot: November 1, 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 retrofit emi suppression filter 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 retrofit emi suppression filter suppliers did RevenueBase find based in the United States?
The saved snapshot records 32 matching company records, 396 tracked contacts and 141 verified emails. The public preview displays 20 selected records.
Where do the company descriptions come from?
RevenueBase compiles company information from public sources, including company websites and public professional profiles such as LinkedIn, alongside information supplied by companies. The short recorded excerpt shown here is separate from the complete business description used for matching; individual source URLs and collection dates are not provided in this public snapshot.
How are the public companies ordered?
The selected public records are ordered by contacts tracked in RevenueBase, highest first. Contact coverage is a prospecting measure, not an assessment of the company's services or quality.
How can I get contact information?
Select a company's contact count to open its filtered contacts in RevenueBase. Free signup is required and includes 500 credits and limited free results. Verified emails, direct dials and mobile numbers depend on available coverage.
How current is this list?
Snapshot: November 1, 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
Cite this list
RevenueBase Data Team. Top 20 retrofit emi suppression filter suppliers based in the United States. Snapshot: November 1, 2026. https://revenuebase.ai/companies/retrofit-emi-suppression-filter-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
- 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
- Real estate companies based in the United States
Company intelligence · public preview
Top 20 retrofit emi suppression filter suppliers based in the United States
RevenueBase records 32 matching company records for retrofit emi suppression filter suppliers based in the United States, with 396 tracked contacts and 141 verified work emails.
This public preview shows 20 selected records ordered by tracked contacts. RevenueBase SmartSearch finds company descriptions that match by meaning at Exact. Snapshot: November 1, 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 20 retrofit emi suppression filter 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 | Universal AIR Filteruaf.com HQ: Sauget, IL, United StatesReported employees: 51-200 | Sauget, IL, United States | 51-200 | Exact match | 62 contacts → |
“Universal Air Filter Company ("UAF") designs and manufactures custom air filters and EMI shielding products used to protect commercial equipment and electronics enclosures.” Recorded description excerpt · November 1, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 2 | Leader Tech INCleadertechinc.com HQ: Tampa, FL, United StatesReported employees: 51-200 | Tampa, FL, United States | 51-200 | Exact match | 60 contacts → |
“Leader Tech is a world-leading innovator and U.S.” Recorded description excerpt · November 1, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 3 | ITG Electronicsitg-electronics.com HQ: Elmsford, NY, United StatesReported employees: 501-1,000 | Elmsford, NY, United States | 501-1,000 | Exact match | 34 contacts → |
“ITG has been a leading electrical and mechanical components, EMI Module and Power Module supplier since 1963.” Recorded description excerpt · November 1, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 4 | Nextek, LLCnextek.com HQ: North Billerica, MA, United StatesReported employees: 11-50 | North Billerica, MA, United States | 11-50 | Exact match | 25 contacts → |
“NexTek is the premier source for Coaxial/RF Surge Protection and High Current EMC/EMI Filters.” Recorded description excerpt · November 1, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 5 | Captor Corporationcaptorcorp.com HQ: Tipp City, OH, United StatesReported employees: 51-200 | Tipp City, OH, United States | 51-200 | Exact match | 23 contacts → |
“Captor Corporation is an electrical/electronic manufacturing company based out of United States.” Recorded description excerpt · November 1, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 6 | HQ: Milwaukee, WI, United StatesReported employees: 51-200 | Milwaukee, WI, United States | 51-200 | Exact match | 20 contacts → |
“Curtis Industries is a manufacturer of both standard and custom terminal blocks and EMI/RFI filters as well as a variety of custom controls and cable assemblies.” Recorded description excerpt · November 1, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 7 | Quell Corporationeeseal.com HQ: Albuquerque, NM, United StatesReported employees: 51-200 | Albuquerque, NM, United States | 51-200 | Exact match | 20 contacts → |
“Quell is the maker of the EESeal FilterSeals brand of EMI Filters, Retrofit Inserts, and Transient Suppressors.” Recorded description excerpt · November 1, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 8 | MTK Electronics, INCmtkelectronics.com HQ: Medford, NY, United StatesReported employees: 11-50 | Medford, NY, United States | 11-50 | Exact match | 18 contacts → |
No recorded description excerpt is available for this public record. | |||||
| 9 | Wems Electronicswems.com HQ: Hawthorne, CA, United StatesReported employees: 11-50 | Hawthorne, CA, United States | 11-50 | Exact match | 17 contacts → |
“Established in 1959, WEMS Electronics is a full service turn-key Small Business with an extensive complex specializing in state-of-the-art EMI custom filters, engineering and…” Recorded description excerpt · November 1, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 10 | Spira EMI Gasketsspira-emi.com HQ: San Fernando, CA, United StatesReported employees: 51-200 | San Fernando, CA, United States | 51-200 | Exact match | 15 contacts → |
“Spira has been a trusted partner to the EMC community since 1978, delivering precision-engineered solutions for Electromagnetic Interference (EMI) and Radio-Frequency Interference…” Recorded description excerpt · November 1, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 11 | Vitatech Electromagneticsvitatech.net HQ: Fredericksburg, VA, United StatesReported employees: 11-50 | Fredericksburg, VA, United States | 11-50 | Exact match | 14 contacts → |
“Whether it’s a research center, medical facility, laboratory, or commercial/residential high-rise buildings, Vitatech has the expertise and experience to provide guaranteed…” Recorded description excerpt · November 1, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 12 | Enerdoorenerdoor.com HQ: Portland, ME, United StatesReported employees: 201-500 | Portland, ME, United States | 201-500 | Exact match | 11 contacts → |
“The Enerdoor Group is an international leader in the development and production of EMC solutions for automated and industrial machinery.” Recorded description excerpt · November 1, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 13 | East Coast Shieldingeastcoastshielding.com HQ: Johnsonburg, NJ, United StatesReported employees: 11-50 | Johnsonburg, NJ, United States | 11-50 | Exact match | 9 contacts → |
“East Coast Shielding specializes in providing top-tier EMI gaskets, RFI shielding, and EMI RFI shielding solutions to meet our customers' unique demands.” Recorded description excerpt · November 1, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 14 | HQ: Irvine, CA, United StatesReported employees: 11-50 | Irvine, CA, United States | 11-50 | Exact match | 9 contacts → |
“EMI Solutions is a premier Southern California manufacturer of EMI Filters and Filtered Connectors and Transient Suppression products serving the Military, Medical and Industrial…” Recorded description excerpt · November 1, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 15 | Kern Engineering & Manufacturing Corpkerneng.com HQ: Chino, CA, United StatesReported employees: 501-1,000 | Chino, CA, United States | 501-1,000 | Exact match | 8 contacts → |
“Established in 1966,Kern Engineering & Manufacturing Corp.” Recorded description excerpt · November 1, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 16 | EFC Wescofilmcapacitors.com HQ: Waterbury, CT, United StatesReported employees: 11-50 | Waterbury, CT, United States | 11-50 | Exact match | 7 contacts → |
“EFC/Wesco is your leading source for film capacitors.” Recorded description excerpt · November 1, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 17 | Majr Productsmajr.com HQ: Saegertown, PA, United StatesReported employees: 11-50 | Saegertown, PA, United States | 11-50 | Exact match | 5 contacts → |
“MAJR Products Corp.” Recorded description excerpt · November 1, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 18 | Joule Sales & Marketing, LLCjoulesales.com HQ: Georgetown, TX, United StatesReported employees: 1-10 | Georgetown, TX, United States | 1-10 | Exact match | 2 contacts → |
“We specialize in high temperature, high reliability and highest energy density electronic components, power sub-system design and custom EMI, TVS and ESD filters.” Recorded description excerpt · November 1, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 19 | EAC Shielding, INCeacshielding.com HQ: La Habra, CA, United StatesReported employees: 1-10 | La Habra, CA, United States | 1-10 | Exact match | 2 contacts → |
“A manufacturer of EMI Products and Gaskets with over 25 years of experience in design, engineering and manufacturing for the Military, Aerospace, Electronics and Medical…” Recorded description excerpt · November 1, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 20 | Southwest Emi, LLCsouthwestemi.com HQ: Mesa, AZ, United StatesReported employees: 1-10 | Mesa, AZ, United States | 1-10 | Exact match | 1 contacts → |
“Southwest EMI provides consulting services in the field of electromagnetic interference/compatibility.” Recorded description excerpt · November 1, 2026Open company data in RevenueBase ↗Free signup required. | |||||
Showing 20 of 32 company matches
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Retrofit emi suppression filter suppliers: dataset insights
November 1, 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
32 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 32 companies.
How this company list was built
Describe a niche in your own words: companies installing commercial solar, or manufacturers of sustainable packaging. RevenueBase SmartSearch finds companies whose compiled business descriptions match by meaning. This list is one saved example to adapt.
Where the company descriptions come from
RevenueBase compiles company information from public sources, including company websites and public professional profiles such as LinkedIn, alongside information supplied by companies. The short recorded excerpt shown here is separate from the complete business description used for matching; individual source URLs and collection dates are not provided in this public snapshot.
RevenueBase SmartSearch matching settings
- Exact
- Closest fits to the business described.
- Similar
- Similar businesses with a wider range of fits.
- Related
- Related businesses in and around the category.
- Broad
- A broader set of businesses connected to the description.
RevenueBase SmartSearch · Exact match identifies inclusion in this search's closest semantic matching setting. It is not a per-company confidence score, a literal keyword match, or a quality endorsement.
Selection, ordering and scope
The public list shows selected company records with contact and verified-email coverage. Reported employee bands provide separate company-size context.
This page is derived from saved source records; per-contact mobile coverage and email-recency results are not established by this snapshot.
Recorded company descriptions support research; check company websites for current services. The selected preview is ordered by tracked contacts and is not a list of the best service providers.
Snapshot: November 1, 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 retrofit emi suppression filter 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 retrofit emi suppression filter suppliers did RevenueBase find based in the United States?
The saved snapshot records 32 matching company records, 396 tracked contacts and 141 verified emails. The public preview displays 20 selected records.
Where do the company descriptions come from?
RevenueBase compiles company information from public sources, including company websites and public professional profiles such as LinkedIn, alongside information supplied by companies. The short recorded excerpt shown here is separate from the complete business description used for matching; individual source URLs and collection dates are not provided in this public snapshot.
How are the public companies ordered?
The selected public records are ordered by contacts tracked in RevenueBase, highest first. Contact coverage is a prospecting measure, not an assessment of the company's services or quality.
How can I get contact information?
Select a company's contact count to open its filtered contacts in RevenueBase. Free signup is required and includes 500 credits and limited free results. Verified emails, direct dials and mobile numbers depend on available coverage.
How current is this list?
Snapshot: November 1, 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
Cite this list
RevenueBase Data Team. Top 20 retrofit emi suppression filter suppliers based in the United States. Snapshot: November 1, 2026. https://revenuebase.ai/companies/retrofit-emi-suppression-filter-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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