Company lists · Data refreshed November 2026
Top 22 Ultracapacitors suppliers based in the United States
RevenueBase identified 49 company matches for ultracapacitors suppliers associated with the United States as of November 2026 and tracks 825 professional contacts across them, including 197 with verified work emails. East Providence is the largest hub.
This list covers company matches for ultracapacitors 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 3, 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 22 largest ultracapacitors suppliers based in the United States
Ranked by team size| # | Company | Contacts | |||
|---|---|---|---|---|---|
| 1 | 107 contacts → | ||||
Exact match “ITAR Registered | CTPAT | AS 9100-ISO 9001 | ISO 14001 Specialists in application specific ceramic capacitor solutions.” Recorded in the RevenueBase company graph · Nov 3, 2026 · View company records in RevenueBase | |||||
| 2 | 89 contacts → | ||||
Exact match “United Chemi-Con, a wholly owned subsidiary of Nippon Chemi-Con, was established in the United States in 1970.” Recorded in the RevenueBase company graph · Nov 3, 2026 · View company records in RevenueBase | |||||
| 3 | 49 contacts → | ||||
Exact match “Custom Electronics, Inc.(CEI) designs, manufactures, and supports a wide variety of specialized, reliable, high-quality capacitors and electronic assemblies for the global…” Recorded in the RevenueBase company graph · Nov 3, 2026 · View company records in RevenueBase | |||||
| 4 | 45 contacts → | ||||
Exact match “Nanoramic®, Inc.” Recorded in the RevenueBase company graph · Nov 3, 2026 · View company records in RevenueBase | |||||
| 5 | 39 contacts → | ||||
Exact match “Headquartered in Ogallala, Nebraska, the design standards developed by American Shizuki Corporation (ASC) go back to 1945 and have been improved every year since.” Recorded in the RevenueBase company graph · Nov 3, 2026 · View company records in RevenueBase | |||||
| 6 | 35 contacts → | ||||
Exact match “Incorporated in June of 1969, Electronic Concepts has grown to be a recognized and respected name in the electronic component industry.” Recorded in the RevenueBase company graph · Nov 3, 2026 · View company records in RevenueBase | |||||
| 7 | 30 contacts → | ||||
Exact match “KEMET, a subsidiary of YAGEO Corporation (TAIEX: 2327) and part of the YAGEO Group, helps our customers build tomorrow with the broadest selection of capacitor technologies in the…” Recorded in the RevenueBase company graph · Nov 3, 2026 · View company records in RevenueBase | |||||
| 8 | 25 contacts → | ||||
Exact match “Taking advantage of heritage and strategic partnerships, Ioxus brings experienced and flexible manufacturing capabilities to the clean tech industry by manufacturing…” Recorded in the RevenueBase company graph · Nov 3, 2026 · View company records in RevenueBase | |||||
| 9 | 20 contacts → | ||||
Exact match “florrent is a minority-led, Massachusetts-based company innovating to create the next generation of high energy density supercapacitors.” Recorded in the RevenueBase company graph · Nov 3, 2026 · View company records in RevenueBase | |||||
| 10 | 19 contacts → | ||||
Exact match “SBE Inc.” Recorded in the RevenueBase company graph · Nov 3, 2026 · View company records in RevenueBase | |||||
| 11 | 15 contacts → | ||||
Exact match “Quantic™ Evans is a US-based designer and manufacturer of the most power-dense hybrid tantalum capacitors in the industry.” Recorded in the RevenueBase company graph · Nov 3, 2026 · View company records in RevenueBase | |||||
| 12 | 12 contacts → | ||||
Exact match “As a world-class specialist in capacitors and discrete semiconductors since 1981, Surge is among the leading manufacturing and marketing organizations providing direct access to…” Recorded in the RevenueBase company graph · Nov 3, 2026 · View company records in RevenueBase | |||||
| 13 | 12 contacts → | ||||
Exact match “A world class supplier of high quality electronic passive components.” Recorded in the RevenueBase company graph · Nov 3, 2026 · View company records in RevenueBase | |||||
| 14 | 11 contacts → | ||||
Exact match “High voltage film capacitors for DC Link and pulse applications!” Recorded in the RevenueBase company graph · Nov 3, 2026 · View company records in RevenueBase | |||||
| 15 | 10 contacts → | ||||
Exact match Recorded description not available. Recorded in the RevenueBase company graph · Nov 3, 2026 · View company records in RevenueBase | |||||
| 16 | 9 contacts → | ||||
Exact match “Capacitech Energy, Inc.” Recorded in the RevenueBase company graph · Nov 3, 2026 · View company records in RevenueBase | |||||
| 17 | 7 contacts → | ||||
Exact match “EFC/Wesco is your leading source for film capacitors.” Recorded in the RevenueBase company graph · Nov 3, 2026 · View company records in RevenueBase | |||||
| 18 | 6 contacts → | ||||
Exact match “UCAP Power is a global provider of ultracapacitor-based power solutions across a wide range of markets.” Recorded in the RevenueBase company graph · Nov 3, 2026 · View company records in RevenueBase | |||||
| 19 | 5 contacts → | ||||
Exact match “Started in 1939, American Radionic Co, Inc is a family owned and operated manufacturer with over 75 years of history designing and building film dielectric capacitors for all…” Recorded in the RevenueBase company graph · Nov 3, 2026 · View company records in RevenueBase | |||||
| 20 | 4 contacts → | ||||
Exact match Recorded description not available. Recorded in the RevenueBase company graph · Nov 3, 2026 · View company records in RevenueBase | |||||
| 21 | 2 contacts → | ||||
Exact match “Carbon-Ion Energy has developed a new category of energy storage that radically improves the performance of supercapacitors, charges 50 times faster than lithium-ion batteries…” Recorded in the RevenueBase company graph · Nov 3, 2026 · View company records in RevenueBase | |||||
| 22 | 2 contacts → | ||||
Exact match “Vina Tech Co Ltd, a leading Korean based manufacturer of Super Capacitors (EDLC) and Hybrid Capacitor (LiC) with the largest production capacity in our South Korea and Vietnam…” Recorded in the RevenueBase company graph · Nov 3, 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 “ultracapacitors 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 22 of 49 ultracapacitors suppliers based in the United States
See the full list, filter by size, metro and specialty, and access 197 tracked professional contacts with verified work emails. Direct dials are available where recorded.
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Ultracapacitors suppliers based in the United States at a glance
As of Nov 3, 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 49 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 “ultracapacitors 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 197 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 3, 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 “ultracapacitors suppliers”; each Exact match badge shows search membership, not an individual similarity or quality score.
How many ultracapacitors suppliers are there based in the United States?
RevenueBase identified 49 company matches for ultracapacitors 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?
Johanson Dielectrics, INC tops the displayed preview by professional contacts tracked in RevenueBase. Recorded headquarters appear in the company rows.
Which city has the most ultracapacitors suppliers?
East Providence leads with 2 company records, followed by Holland (2) and New York (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 197 professional contacts with verified work emails tracked across these 49 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 3, 2026.
Ready to reach these companies? Verified emails and direct dials for all 49 ultracapacitors suppliers based in the United States. Start with a free account, no credit card.
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Ultracapacitors 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 22 ultracapacitors 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 49 matching company records for ultracapacitors suppliers based in the United States, with 825 tracked contacts and 197 verified work emails.
This public preview shows 22 selected records ordered by tracked contacts. RevenueBase SmartSearch finds company descriptions that match by meaning at Exact. Snapshot: November 3, 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 22 ultracapacitors 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 | Johanson Dielectrics, INCjohansondielectrics.com HQ: Camarillo, CA, United StatesReported employees: 51-200 | Camarillo, CA, United States | 51-200 | Exact match | 107 contacts → |
“ITAR Registered | CTPAT | AS 9100-ISO 9001 | ISO 14001 Specialists in application specific ceramic capacitor solutions.” Recorded description excerpt · November 3, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 2 | United Chemi-Con INCchemi-con.com HQ: Rolling Meadows, IL, United StatesReported employees: 201-500 | Rolling Meadows, IL, United States | 201-500 | Exact match | 89 contacts → |
“United Chemi-Con, a wholly owned subsidiary of Nippon Chemi-Con, was established in the United States in 1970.” Recorded description excerpt · November 3, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 3 | Custom Electronics, INCcustomelec.com HQ: Oneonta, NY, United StatesReported employees: 51-200 | Oneonta, NY, United States | 51-200 | Exact match | 49 contacts → |
“Custom Electronics, Inc.(CEI) designs, manufactures, and supports a wide variety of specialized, reliable, high-quality capacitors and electronic assemblies for the global…” Recorded description excerpt · November 3, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 4 |  Nanoramic, INCnanoramic.comHQ: Wakefield, MA, United StatesReported employees: 11-50 | Wakefield, MA, United States | 11-50 | Exact match | 45 contacts → |
“Nanoramic®, Inc.” Recorded description excerpt · November 3, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 5 |  American Shizuki Corporationascapacitor.comHQ: Ogallala, NE, United StatesReported employees: 51-200 | Ogallala, NE, United States | 51-200 | Exact match | 39 contacts → |
“Headquartered in Ogallala, Nebraska, the design standards developed by American Shizuki Corporation (ASC) go back to 1945 and have been improved every year since.” Recorded description excerpt · November 3, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 6 | Electronic Concepts, INCecicaps.com HQ: Eatontown, NJ, United StatesReported employees: 201-500 | Eatontown, NJ, United States | 201-500 | Exact match | 35 contacts → |
“Incorporated in June of 1969, Electronic Concepts has grown to be a recognized and respected name in the electronic component industry.” Recorded description excerpt · November 3, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 7 | Kemet Electronics Corporationkemet.com HQ: Fort Lauderdale, FL, United StatesReported employees: Not recorded | Fort Lauderdale, FL, United States | Not recorded | Exact match | 30 contacts → |
“KEMET, a subsidiary of YAGEO Corporation (TAIEX: 2327) and part of the YAGEO Group, helps our customers build tomorrow with the broadest selection of capacitor technologies in the…” Recorded description excerpt · November 3, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 8 | IOXUSioxus.com HQ: Oneonta, NY, United StatesReported employees: 51-200 | Oneonta, NY, United States | 51-200 | Exact match | 25 contacts → |
“Taking advantage of heritage and strategic partnerships, Ioxus brings experienced and flexible manufacturing capabilities to the clean tech industry by manufacturing…” Recorded description excerpt · November 3, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 9 | Florrentflorrent.com HQ: Boston, MA, United StatesReported employees: 11-50 | Boston, MA, United States | 11-50 | Exact match | 20 contacts → |
“florrent is a minority-led, Massachusetts-based company innovating to create the next generation of high energy density supercapacitors.” Recorded description excerpt · November 3, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 10 | Sbe, INCsbelectronics.com HQ: Barre, VT, United StatesReported employees: 51-200 | Barre, VT, United States | 51-200 | Exact match | 19 contacts → |
“SBE Inc.” Recorded description excerpt · November 3, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 11 | Quantic Evansquanticevans.com HQ: East Providence, RI, United StatesReported employees: 11-50 | East Providence, RI, United States | 11-50 | Exact match | 15 contacts → |
“Quantic™ Evans is a US-based designer and manufacturer of the most power-dense hybrid tantalum capacitors in the industry.” Recorded description excerpt · November 3, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 12 | SURGEsurgecomponents.com HQ: Deer Park, NY, United StatesReported employees: 11-50 | Deer Park, NY, United States | 11-50 | Exact match | 12 contacts → |
“As a world-class specialist in capacitors and discrete semiconductors since 1981, Surge is among the leading manufacturing and marketing organizations providing direct access to…” Recorded description excerpt · November 3, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 13 | RFE International, INCrfeinc.com HQ: Santa Ana, United StatesReported employees: 11-50 | Santa Ana, United States | 11-50 | Exact match | 12 contacts → |
“A world class supplier of high quality electronic passive components.” Recorded description excerpt · November 3, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 14 |  Advanced Power Conversion Solutionsadvanced-conversion.comHQ: Barre, CO, United StatesReported employees: 11-50 | Barre, CO, United States | 11-50 | Exact match | 11 contacts → |
“High voltage film capacitors for DC Link and pulse applications!” Recorded description excerpt · November 3, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 15 | Marathon Power INCmarathon-power.com HQ: Huntington Park, CA, United StatesReported employees: 11-50 | Huntington Park, CA, United States | 11-50 | Exact match | 10 contacts → |
No recorded description excerpt is available for this public record. | |||||
| 16 | Capacitech Energycapacitechenergy.com HQ: Orlando, FL, United StatesReported employees: 1-10 | Orlando, FL, United States | 1-10 | Exact match | 9 contacts → |
“Capacitech Energy, Inc.” Recorded description excerpt · November 3, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 17 | 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 3, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 18 | Ucap Power, INCucappower.com HQ: San Diego, CA, United StatesReported employees: 51-200 | San Diego, CA, United States | 51-200 | Exact match | 6 contacts → |
“UCAP Power is a global provider of ultracapacitor-based power solutions across a wide range of markets.” Recorded description excerpt · November 3, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 19 | Amrad Engineeringamradengineering.com HQ: Palm Coast, FL, United StatesReported employees: 51-200 | Palm Coast, FL, United States | 51-200 | Exact match | 5 contacts → |
“Started in 1939, American Radionic Co, Inc is a family owned and operated manufacturer with over 75 years of history designing and building film dielectric capacitors for all…” Recorded description excerpt · November 3, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 20 | Rubycon America INCrubycon.co.jp HQ: Gurnee, IL, United StatesReported employees: 1-10 | Gurnee, IL, United States | 1-10 | Exact match | 4 contacts → |
No recorded description excerpt is available for this public record. | |||||
| 21 | Carbon-Ion Energy, INCcarbon-ion.energy HQ: New York, NY, United StatesReported employees: 11-50 | New York, NY, United States | 11-50 | Exact match | 2 contacts → |
“Carbon-Ion Energy has developed a new category of energy storage that radically improves the performance of supercapacitors, charges 50 times faster than lithium-ion batteries…” Recorded description excerpt · November 3, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 22 | Vinatech USAvinatechusa.com HQ: Oceanside, CA, United StatesReported employees: 1-10 | Oceanside, CA, United States | 1-10 | Exact match | 2 contacts → |
“Vina Tech Co Ltd, a leading Korean based manufacturer of Super Capacitors (EDLC) and Hybrid Capacitor (LiC) with the largest production capacity in our South Korea and Vietnam…” Recorded description excerpt · November 3, 2026Open company data in RevenueBase ↗Free signup required. | |||||
Showing 22 of 49 company matches
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Ultracapacitors suppliers: dataset insights
November 3, 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
49 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 49 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 3, 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 ultracapacitors 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 ultracapacitors suppliers did RevenueBase find based in the United States?
The saved snapshot records 49 matching company records, 825 tracked contacts and 197 verified emails. The public preview displays 22 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 3, 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
Ultracapacitors suppliers by geography
Cite this list
RevenueBase Data Team. Top 22 ultracapacitors suppliers based in the United States. Snapshot: November 3, 2026. https://revenuebase.ai/companies/ultracapacitors-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
- Ultracapacitors suppliers based in India
- 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 22 ultracapacitors suppliers based in the United States
RevenueBase records 49 matching company records for ultracapacitors suppliers based in the United States, with 825 tracked contacts and 197 verified work emails.
This public preview shows 22 selected records ordered by tracked contacts. RevenueBase SmartSearch finds company descriptions that match by meaning at Exact. Snapshot: November 3, 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 22 ultracapacitors 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 | Johanson Dielectrics, INCjohansondielectrics.com HQ: Camarillo, CA, United StatesReported employees: 51-200 | Camarillo, CA, United States | 51-200 | Exact match | 107 contacts → |
“ITAR Registered | CTPAT | AS 9100-ISO 9001 | ISO 14001 Specialists in application specific ceramic capacitor solutions.” Recorded description excerpt · November 3, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 2 | United Chemi-Con INCchemi-con.com HQ: Rolling Meadows, IL, United StatesReported employees: 201-500 | Rolling Meadows, IL, United States | 201-500 | Exact match | 89 contacts → |
“United Chemi-Con, a wholly owned subsidiary of Nippon Chemi-Con, was established in the United States in 1970.” Recorded description excerpt · November 3, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 3 | Custom Electronics, INCcustomelec.com HQ: Oneonta, NY, United StatesReported employees: 51-200 | Oneonta, NY, United States | 51-200 | Exact match | 49 contacts → |
“Custom Electronics, Inc.(CEI) designs, manufactures, and supports a wide variety of specialized, reliable, high-quality capacitors and electronic assemblies for the global…” Recorded description excerpt · November 3, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 4 | Nanoramic, INCnanoramic.com HQ: Wakefield, MA, United StatesReported employees: 11-50 | Wakefield, MA, United States | 11-50 | Exact match | 45 contacts → |
“Nanoramic®, Inc.” Recorded description excerpt · November 3, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 5 | American Shizuki Corporationascapacitor.com HQ: Ogallala, NE, United StatesReported employees: 51-200 | Ogallala, NE, United States | 51-200 | Exact match | 39 contacts → |
“Headquartered in Ogallala, Nebraska, the design standards developed by American Shizuki Corporation (ASC) go back to 1945 and have been improved every year since.” Recorded description excerpt · November 3, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 6 | Electronic Concepts, INCecicaps.com HQ: Eatontown, NJ, United StatesReported employees: 201-500 | Eatontown, NJ, United States | 201-500 | Exact match | 35 contacts → |
“Incorporated in June of 1969, Electronic Concepts has grown to be a recognized and respected name in the electronic component industry.” Recorded description excerpt · November 3, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 7 | Kemet Electronics Corporationkemet.com HQ: Fort Lauderdale, FL, United StatesReported employees: Not recorded | Fort Lauderdale, FL, United States | Not recorded | Exact match | 30 contacts → |
“KEMET, a subsidiary of YAGEO Corporation (TAIEX: 2327) and part of the YAGEO Group, helps our customers build tomorrow with the broadest selection of capacitor technologies in the…” Recorded description excerpt · November 3, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 8 | IOXUSioxus.com HQ: Oneonta, NY, United StatesReported employees: 51-200 | Oneonta, NY, United States | 51-200 | Exact match | 25 contacts → |
“Taking advantage of heritage and strategic partnerships, Ioxus brings experienced and flexible manufacturing capabilities to the clean tech industry by manufacturing…” Recorded description excerpt · November 3, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 9 | Florrentflorrent.com HQ: Boston, MA, United StatesReported employees: 11-50 | Boston, MA, United States | 11-50 | Exact match | 20 contacts → |
“florrent is a minority-led, Massachusetts-based company innovating to create the next generation of high energy density supercapacitors.” Recorded description excerpt · November 3, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 10 | Sbe, INCsbelectronics.com HQ: Barre, VT, United StatesReported employees: 51-200 | Barre, VT, United States | 51-200 | Exact match | 19 contacts → |
“SBE Inc.” Recorded description excerpt · November 3, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 11 | Quantic Evansquanticevans.com HQ: East Providence, RI, United StatesReported employees: 11-50 | East Providence, RI, United States | 11-50 | Exact match | 15 contacts → |
“Quantic™ Evans is a US-based designer and manufacturer of the most power-dense hybrid tantalum capacitors in the industry.” Recorded description excerpt · November 3, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 12 | SURGEsurgecomponents.com HQ: Deer Park, NY, United StatesReported employees: 11-50 | Deer Park, NY, United States | 11-50 | Exact match | 12 contacts → |
“As a world-class specialist in capacitors and discrete semiconductors since 1981, Surge is among the leading manufacturing and marketing organizations providing direct access to…” Recorded description excerpt · November 3, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 13 | RFE International, INCrfeinc.com HQ: Santa Ana, United StatesReported employees: 11-50 | Santa Ana, United States | 11-50 | Exact match | 12 contacts → |
“A world class supplier of high quality electronic passive components.” Recorded description excerpt · November 3, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 14 | Advanced Power Conversion Solutionsadvanced-conversion.com HQ: Barre, CO, United StatesReported employees: 11-50 | Barre, CO, United States | 11-50 | Exact match | 11 contacts → |
“High voltage film capacitors for DC Link and pulse applications!” Recorded description excerpt · November 3, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 15 | Marathon Power INCmarathon-power.com HQ: Huntington Park, CA, United StatesReported employees: 11-50 | Huntington Park, CA, United States | 11-50 | Exact match | 10 contacts → |
No recorded description excerpt is available for this public record. | |||||
| 16 | Capacitech Energycapacitechenergy.com HQ: Orlando, FL, United StatesReported employees: 1-10 | Orlando, FL, United States | 1-10 | Exact match | 9 contacts → |
“Capacitech Energy, Inc.” Recorded description excerpt · November 3, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 17 | 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 3, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 18 | Ucap Power, INCucappower.com HQ: San Diego, CA, United StatesReported employees: 51-200 | San Diego, CA, United States | 51-200 | Exact match | 6 contacts → |
“UCAP Power is a global provider of ultracapacitor-based power solutions across a wide range of markets.” Recorded description excerpt · November 3, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 19 | Amrad Engineeringamradengineering.com HQ: Palm Coast, FL, United StatesReported employees: 51-200 | Palm Coast, FL, United States | 51-200 | Exact match | 5 contacts → |
“Started in 1939, American Radionic Co, Inc is a family owned and operated manufacturer with over 75 years of history designing and building film dielectric capacitors for all…” Recorded description excerpt · November 3, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 20 | Rubycon America INCrubycon.co.jp HQ: Gurnee, IL, United StatesReported employees: 1-10 | Gurnee, IL, United States | 1-10 | Exact match | 4 contacts → |
No recorded description excerpt is available for this public record. | |||||
| 21 | Carbon-Ion Energy, INCcarbon-ion.energy HQ: New York, NY, United StatesReported employees: 11-50 | New York, NY, United States | 11-50 | Exact match | 2 contacts → |
“Carbon-Ion Energy has developed a new category of energy storage that radically improves the performance of supercapacitors, charges 50 times faster than lithium-ion batteries…” Recorded description excerpt · November 3, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 22 | Vinatech USAvinatechusa.com HQ: Oceanside, CA, United StatesReported employees: 1-10 | Oceanside, CA, United States | 1-10 | Exact match | 2 contacts → |
“Vina Tech Co Ltd, a leading Korean based manufacturer of Super Capacitors (EDLC) and Hybrid Capacitor (LiC) with the largest production capacity in our South Korea and Vietnam…” Recorded description excerpt · November 3, 2026Open company data in RevenueBase ↗Free signup required. | |||||
Showing 22 of 49 company matches
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Ultracapacitors suppliers: dataset insights
November 3, 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
49 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 49 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 3, 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 ultracapacitors 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 ultracapacitors suppliers did RevenueBase find based in the United States?
The saved snapshot records 49 matching company records, 825 tracked contacts and 197 verified emails. The public preview displays 22 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 3, 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
Ultracapacitors suppliers by geography
Cite this list
RevenueBase Data Team. Top 22 ultracapacitors suppliers based in the United States. Snapshot: November 3, 2026. https://revenuebase.ai/companies/ultracapacitors-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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