Company lists · Data refreshed September 2026
Top 25 Switching power supply companies based in the United States
RevenueBase identified 137 company matches for switching power supply companies associated with the United States as of September 2026 and tracks 9,562 professional contacts across them, including 1,647 with verified work emails. Irvine is the largest hub.
This list covers company matches for switching power supply companies 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 September 22, 2026.
Published by RevenueBase, a B2B data infrastructure company. This list was built with RevenueBase SmartSearch, the natural-language company search RevenueBase customers use to build their own targeted lists and unlock verified emails and direct dials at the companies on them. How these lists are built and judged.
The 25 largest switching power supply companies based in the United States
Ranked by team size| # | Company | Contacts | |||
|---|---|---|---|---|---|
| 1 | 1,111 contacts → | ||||
Exact match “Artesyn Embedded Power is an Advanced Energy product brand and is well recognized as a global leader in the design and manufacture of highly reliable power conversion solutions…” Recorded in the RevenueBase company graph · Sep 22, 2026 · View company records in RevenueBase | |||||
| 2 | 821 contacts → | ||||
Exact match “Vicor Corporation designs, develops, manufactures and markets modular power components and complete power systems based upon a portfolio of patented technologies.” Recorded in the RevenueBase company graph · Sep 22, 2026 · View company records in RevenueBase | |||||
| 3 | 369 contacts → | ||||
Exact match “Murata Power Solutions is powering the future with sustainable energy solutions.” Recorded in the RevenueBase company graph · Sep 22, 2026 · View company records in RevenueBase | |||||
| 4 | 290 contacts → | ||||
Exact match “Astrodyne TDI is a custom designer and manufacturer of innovative power solutions for demanding applications worldwide.” Recorded in the RevenueBase company graph · Sep 22, 2026 · View company records in RevenueBase | |||||
| 5 | 263 contacts → | ||||
Exact match “SL Power Electronics is a global leader in the design, manufacturing and marketing of differentiated internal and external AC/DC and DC/DC power conversion solutions for highly…” Recorded in the RevenueBase company graph · Sep 22, 2026 · View company records in RevenueBase | |||||
| 6 | 236 contacts → | ||||
Exact match “A leader in power conversion technology, OmniOn partners with customers to deliver reliable solutions that power their businesses both today and well into the future.” Recorded in the RevenueBase company graph · Sep 22, 2026 · View company records in RevenueBase | |||||
| 7 | 231 contacts → | ||||
Exact match “Since 2010, EPC Power is a power solutions platform that designs, engineers and manufactures advanced power conversion solutions in the USA for data center, energy storage and…” Recorded in the RevenueBase company graph · Sep 22, 2026 · View company records in RevenueBase | |||||
| 8 | 208 contacts → | ||||
Exact match “IE provides custom-engineered, packaged equipment to industrial markets.” Recorded in the RevenueBase company graph · Sep 22, 2026 · View company records in RevenueBase | |||||
| 9 | 206 contacts → | ||||
Exact match “At CUI our purpose is straight-forward: power products how you want them, when you want them.” Recorded in the RevenueBase company graph · Sep 22, 2026 · View company records in RevenueBase | |||||
| 10 | 200 contacts → | ||||
Exact match “SynQor is a leading supplier of power conversion solutions to the military, avionics, transportation, medical, industrial, telecommunications and computing markets.” Recorded in the RevenueBase company graph · Sep 22, 2026 · View company records in RevenueBase | |||||
| 11 | 177 contacts → | ||||
Exact match “NWL Inc.” Recorded in the RevenueBase company graph · Sep 22, 2026 · View company records in RevenueBase | |||||
| 12 | 131 contacts → | ||||
Exact match “Stored Energy Systems (SENS) is a Colorado-based designer and manufacturer in mission-critical environments like data centers, hospitals, utilities, and telecommunications…” Recorded in the RevenueBase company graph · Sep 22, 2026 · View company records in RevenueBase | |||||
| 13 | 127 contacts → | ||||
Exact match “Located on California’s beautiful Central Coast, Rantec Power Systems has been providing power conversion products since 1971.” Recorded in the RevenueBase company graph · Sep 22, 2026 · View company records in RevenueBase | |||||
| 14 | 99 contacts → | ||||
Exact match “RoMan Manufacturing was founded in 1980 in Grand Rapids, Michigan, and specializes in small, lightweight Water-Cooled AC Transformers, DC Power Supplies, MFDC (Medium-Frequency)…” Recorded in the RevenueBase company graph · Sep 22, 2026 · View company records in RevenueBase | |||||
| 15 | 75 contacts → | ||||
Exact match “Kepco Inc, has been making electronic d-c power supplies, both modular and instrument type, since 1946.” Recorded in the RevenueBase company graph · Sep 22, 2026 · View company records in RevenueBase | |||||
| 16 | 65 contacts → | ||||
Exact match “At Butcher Power Products (BPP), we are redefining what it means to be a power solutions manufacturer.” Recorded in the RevenueBase company graph · Sep 22, 2026 · View company records in RevenueBase | |||||
| 17 | 56 contacts → | ||||
Exact match “Since 1984, Milpower Source, Inc.” Recorded in the RevenueBase company graph · Sep 22, 2026 · View company records in RevenueBase | |||||
| 18 | 54 contacts → | ||||
Exact match “Established in 1982, TRC Electronics, Inc.” Recorded in the RevenueBase company graph · Sep 22, 2026 · View company records in RevenueBase | |||||
| 19 | 34 contacts → | ||||
Exact match “Military, Aerospace, Industrial, Commercial, Telecom & Custom Power Supply Solutions.” Recorded in the RevenueBase company graph · Sep 22, 2026 · View company records in RevenueBase | |||||
| 20 | 31 contacts → | ||||
Exact match “NetPower is a technology leader of open-frame and encapsulated high efficiency and high density DC-DC and AC-DC power converters.” Recorded in the RevenueBase company graph · Sep 22, 2026 · View company records in RevenueBase | |||||
| 21 | 27 contacts → | ||||
Exact match “Calex Manufacturing Co, Inc, a subsidiary of Murata Power Solutions, Inc.” Recorded in the RevenueBase company graph · Sep 22, 2026 · View company records in RevenueBase | |||||
| 22 | 24 contacts → | ||||
Exact match “Acopian Power Supplies manufactures an exceptionally diverse line of AC-to-DC power supplies, DC-to-DC converters, high voltage power supplies, and redundant output power packages…” Recorded in the RevenueBase company graph · Sep 22, 2026 · View company records in RevenueBase | |||||
| 23 | 20 contacts → | ||||
Exact match “Warner Power is now part of Grand Power Systems!” Recorded in the RevenueBase company graph · Sep 22, 2026 · View company records in RevenueBase | |||||
| 24 | 18 contacts → | ||||
Exact match “Darrah Electric Company is a manufacturer of high quality DC power supplies and power assembly solutions, and a distributor of power semiconductors and related components.” Recorded in the RevenueBase company graph · Sep 22, 2026 · View company records in RevenueBase | |||||
| 25 | 18 contacts → | ||||
Exact match “Headquartered on Long Island New York, SPI has been manufacturing switching mode power supplies since 1976.” Recorded in the RevenueBase company graph · Sep 22, 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 “switching power supply companies”. Each Exact match badge shows membership in that saved search; it is not an individual similarity score or a service-quality rating. Recorded descriptions are shown where available.
Showing 25 of 137 switching power supply companies based in the United States
See the full list, filter by size, metro and specialty, and access 1,647 tracked professional contacts with verified work emails. Direct dials are available where recorded.
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Switching power supply companies based in the United States at a glance
As of Sep 22, 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 137 companies.
How this list was built
The recorded descriptions help you assess these company matches. Check a company’s website for its current services and locations.
- Source
- The RevenueBase company graph: 60 million companies and 398.9 million professional contacts resolved from primary sources, queried with RevenueBase SmartSearch, the natural-language company search available to every RevenueBase user.
- What qualifies
- Company records associated with the United States whose business descriptions match “switching power supply companies” 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 1,647 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 September 22, 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 “switching power supply companies”; each Exact match badge shows search membership, not an individual similarity or quality score.
How many switching power supply companies are there based in the United States?
RevenueBase identified 137 company matches for switching power supply companies associated with the United States as of September 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?
Artesyn Embedded Power tops the displayed preview by professional contacts tracked in RevenueBase. Recorded headquarters appear in the company rows.
Which city has the most switching power supply companies?
Irvine leads with 6 company records, followed by City Of Industry (3) and Hicksville (3).
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 1,647 professional contacts with verified work emails tracked across these 137 companies; direct dials are available where recorded.
How current is this list?
The list refreshes periodically as the company graph is re-checked. This page's figures were pulled on September 22, 2026.
Ready to reach these companies? Verified emails and direct dials for all 137 switching power supply companies based in the United States. Start with a free account, no credit card.
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Switching power supply companies 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.
More company lists
- All company lists
- Lists by location
- Lists A-Z
- New lists
- Switching power supply companies based in Germany
- Switching power supply companies based in India
- Switching power supply companies based in Taiwan
- Switching power supply companies based in the United Kingdom
- AI companies based in the United States
- Cybersecurity companies based in the United States
Company intelligence · public preview
Top 25 switching power supply companies 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 137 matching company records for switching power supply companies based in the United States, with 9,562 tracked contacts and 1,647 verified work emails.
This public preview shows 25 selected records ordered by tracked contacts. RevenueBase SmartSearch finds company descriptions that match by meaning at Exact. Snapshot: September 22, 2026.
RevenueBase compiles business descriptions for niche-company discovery; each row shows a recorded excerpt where available. Adapt this search to find the companies and contacts you want.
Top 25 switching power supply companies 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 |  Artesyn Embedded Powerartesyn.comHQ: Tempe, AZ, United StatesReported employees: 10001+ | Tempe, AZ, United States | 10001+ | Exact match | 1,111 contacts → |
“Artesyn Embedded Power is an Advanced Energy product brand and is well recognized as a global leader in the design and manufacture of highly reliable power conversion solutions…” Recorded description excerpt · September 22, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 2 |  VICORvicorpower.comHQ: Andover, MA, United StatesReported employees: 1,001-5,000 | Andover, MA, United States | 1,001-5,000 | Exact match | 821 contacts → |
“Vicor Corporation designs, develops, manufactures and markets modular power components and complete power systems based upon a portfolio of patented technologies.” Recorded description excerpt · September 22, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 3 |  Murata Power Solutionsmurata.comHQ: Westborough, MA, United StatesReported employees: 1,001-5,000 | Westborough, MA, United States | 1,001-5,000 | Exact match | 369 contacts → |
“Murata Power Solutions is powering the future with sustainable energy solutions.” Recorded description excerpt · September 22, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 4 |  Astrodyne TDIastrodynetdi.comHQ: Hackettstown, NJ, United StatesReported employees: 501-1,000 | Hackettstown, NJ, United States | 501-1,000 | Exact match | 290 contacts → |
“Astrodyne TDI is a custom designer and manufacturer of innovative power solutions for demanding applications worldwide.” Recorded description excerpt · September 22, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 5 |  SL Power Electronicsslpower.comHQ: Ventura, CA, United StatesReported employees: 501-1,000 | Ventura, CA, United States | 501-1,000 | Exact match | 263 contacts → |
“SL Power Electronics is a global leader in the design, manufacturing and marketing of differentiated internal and external AC/DC and DC/DC power conversion solutions for highly…” Recorded description excerpt · September 22, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 6 |  Omnion Poweromnionpower.comHQ: Plano, TX, United StatesReported employees: 1,001-5,000 | Plano, TX, United States | 1,001-5,000 | Exact match | 236 contacts → |
“A leader in power conversion technology, OmniOn partners with customers to deliver reliable solutions that power their businesses both today and well into the future.” Recorded description excerpt · September 22, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 7 |  EPC Power Corpepcpower.comHQ: Poway, CA, United StatesReported employees: 201-500 | Poway, CA, United States | 201-500 | Exact match | 231 contacts → |
“Since 2010, EPC Power is a power solutions platform that designs, engineers and manufactures advanced power conversion solutions in the USA for data center, energy storage and…” Recorded description excerpt · September 22, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 8 |  Intermountain Electronicsie-corp.comHQ: Price, UT, United StatesReported employees: 501-1,000 | Price, UT, United States | 501-1,000 | Exact match | 208 contacts → |
“IE provides custom-engineered, packaged equipment to industrial markets.” Recorded description excerpt · September 22, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 9 |  CUI INCcui.comHQ: Portland, OR, United StatesReported employees: 51-200 | Portland, OR, United States | 51-200 | Exact match | 206 contacts → |
“At CUI our purpose is straight-forward: power products how you want them, when you want them.” Recorded description excerpt · September 22, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 10 |  Synqorsynqor.comHQ: Salem, NH, United StatesReported employees: 201-500 | Salem, NH, United States | 201-500 | Exact match | 200 contacts → |
“SynQor is a leading supplier of power conversion solutions to the military, avionics, transportation, medical, industrial, telecommunications and computing markets.” Recorded description excerpt · September 22, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 11 | NWLnwl.com HQ: Bordentown, NJ, United StatesReported employees: 201-500 | Bordentown, NJ, United States | 201-500 | Exact match | 177 contacts → |
“NWL Inc.” Recorded description excerpt · September 22, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 12 |  Stored Energy Systems LLC Senssens-usa.comHQ: Longmont, CO, United StatesReported employees: 201-500 | Longmont, CO, United States | 201-500 | Exact match | 131 contacts → |
“Stored Energy Systems (SENS) is a Colorado-based designer and manufacturer in mission-critical environments like data centers, hospitals, utilities, and telecommunications…” Recorded description excerpt · September 22, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 13 | Rantec Power Systems INCrantec.com HQ: Los Osos, CA, United StatesReported employees: 201-500 | Los Osos, CA, United States | 201-500 | Exact match | 127 contacts → |
“Located on California’s beautiful Central Coast, Rantec Power Systems has been providing power conversion products since 1971.” Recorded description excerpt · September 22, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 14 | Roman Manufacturingromanmfg.com HQ: Grand Rapids, MI, United StatesReported employees: 201-500 | Grand Rapids, MI, United States | 201-500 | Exact match | 99 contacts → |
“RoMan Manufacturing was founded in 1980 in Grand Rapids, Michigan, and specializes in small, lightweight Water-Cooled AC Transformers, DC Power Supplies, MFDC (Medium-Frequency)…” Recorded description excerpt · September 22, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 15 | Kepco Dynatronixkepcopower.com HQ: New York, United StatesReported employees: 51-200 | New York, United States | 51-200 | Exact match | 75 contacts → |
“Kepco Inc, has been making electronic d-c power supplies, both modular and instrument type, since 1946.” Recorded description excerpt · September 22, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 16 | Butcher Power Productsbppmfg.com HQ: Sacramento, CA, United StatesReported employees: 51-200 | Sacramento, CA, United States | 51-200 | Exact match | 65 contacts → |
“At Butcher Power Products (BPP), we are redefining what it means to be a power solutions manufacturer.” Recorded description excerpt · September 22, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 17 | Milpower Source, INCmilpower.com HQ: Belmont, NH, United StatesReported employees: 51-200 | Belmont, NH, United States | 51-200 | Exact match | 56 contacts → |
“Since 1984, Milpower Source, Inc.” Recorded description excerpt · September 22, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 18 | TRC Electronics, INCtrcelectronics.com HQ: Doylestown, PA, United StatesReported employees: 11-50 | Doylestown, PA, United States | 11-50 | Exact match | 54 contacts → |
“Established in 1982, TRC Electronics, Inc.” Recorded description excerpt · September 22, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 19 |  Aj's Power Sourceajpowersupply.comHQ: Land O Lakes, FL, United StatesReported employees: 11-50 | Land O Lakes, FL, United States | 11-50 | Exact match | 34 contacts → |
“Military, Aerospace, Industrial, Commercial, Telecom & Custom Power Supply Solutions.” Recorded description excerpt · September 22, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 20 | Netpowernetpowercorp.com HQ: Plano, TX, United StatesReported employees: 201-500 | Plano, TX, United States | 201-500 | Exact match | 31 contacts → |
“NetPower is a technology leader of open-frame and encapsulated high efficiency and high density DC-DC and AC-DC power converters.” Recorded description excerpt · September 22, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 21 | Calex Manufacturing Co, INCcalex.com HQ: Concord, MA, United StatesReported employees: 51-200 | Concord, MA, United States | 51-200 | Exact match | 27 contacts → |
“Calex Manufacturing Co, Inc, a subsidiary of Murata Power Solutions, Inc.” Recorded description excerpt · September 22, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 22 |  Acopian Power Suppliesacopian.comHQ: Easton, PA, United StatesReported employees: 51-200 | Easton, PA, United States | 51-200 | Exact match | 24 contacts → |
“Acopian Power Supplies manufactures an exceptionally diverse line of AC-to-DC power supplies, DC-to-DC converters, high voltage power supplies, and redundant output power packages…” Recorded description excerpt · September 22, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 23 | Warner Powergrandpowersystems.com HQ: Grand Haven, MI, United StatesReported employees: 51-200 | Grand Haven, MI, United States | 51-200 | Exact match | 20 contacts → |
“Warner Power is now part of Grand Power Systems!” Recorded description excerpt · September 22, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 24 | Darrah Electric Companydarrahelectric.com HQ: Cleveland, OH, United StatesReported employees: 11-50 | Cleveland, OH, United States | 11-50 | Exact match | 18 contacts → |
“Darrah Electric Company is a manufacturer of high quality DC power supplies and power assembly solutions, and a distributor of power semiconductors and related components.” Recorded description excerpt · September 22, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 25 | Switching Power, INCswitchpwr.com HQ: Ronkonkoma, NY, United StatesReported employees: 51-200 | Ronkonkoma, NY, United States | 51-200 | Exact match | 18 contacts → |
“Headquartered on Long Island New York, SPI has been manufacturing switching mode power supplies since 1976.” Recorded description excerpt · September 22, 2026Open company data in RevenueBase ↗Free signup required. | |||||
Showing 25 of 137 company matches
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Switching power supply companies: dataset insights
September 22, 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
137 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 137 companies.
How this company list was built
Describe a niche in your own words: companies installing commercial solar, or manufacturers of sustainable packaging. RevenueBase SmartSearch finds companies whose compiled business descriptions match by meaning. This list is one saved example to adapt.
Where the company descriptions come from
RevenueBase compiles company information from public sources, including company websites and public professional profiles such as LinkedIn, alongside information supplied by companies. The short recorded excerpt shown here is separate from the complete business description used for matching; individual source URLs and collection dates are not provided in this public snapshot.
RevenueBase SmartSearch matching settings
- Exact
- Closest fits to the business described.
- Similar
- Similar businesses with a wider range of fits.
- Related
- Related businesses in and around the category.
- Broad
- A broader set of businesses connected to the description.
RevenueBase SmartSearch · Exact match identifies inclusion in this search's closest semantic matching setting. It is not a per-company confidence score, a literal keyword match, or a quality endorsement.
Selection, ordering and scope
The public list shows selected company records with contact and verified-email coverage. Reported employee bands provide separate company-size context.
This page is derived from saved source records; per-contact mobile coverage and email-recency results are not established by this snapshot.
Recorded company descriptions support research; check company websites for current services. The selected preview is ordered by tracked contacts and is not a list of the best service providers.
Snapshot: September 22, 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 switching power supply companies?
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 switching power supply companies did RevenueBase find based in the United States?
The saved snapshot records 137 matching company records, 9,562 tracked contacts and 1,647 verified emails. The public preview displays 25 selected records.
Where do the company descriptions come from?
RevenueBase compiles company information from public sources, including company websites and public professional profiles such as LinkedIn, alongside information supplied by companies. The short recorded excerpt shown here is separate from the complete business description used for matching; individual source URLs and collection dates are not provided in this public snapshot.
How are the public companies ordered?
The selected public records are ordered by contacts tracked in RevenueBase, highest first. Contact coverage is a prospecting measure, not an assessment of the company's services or quality.
How can I get contact information?
Select a company's contact count to open its filtered contacts in RevenueBase. Free signup is required and includes 500 credits and limited free results. Verified emails, direct dials and mobile numbers depend on available coverage.
How current is this list?
Snapshot: September 22, 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
Switching power supply companies by geography
Cite this list
RevenueBase Data Team. Top 25 switching power supply companies based in the United States. Snapshot: September 22, 2026. https://revenuebase.ai/companies/switching-power-supply-companies/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
- Switching power supply companies based in Germany
- Switching power supply companies based in India
- Switching power supply companies based in Taiwan
- Switching power supply companies based in the United Kingdom
- AI companies based in the United States
- Cybersecurity companies based in the United States
Company intelligence · public preview
Top 25 switching power supply companies based in the United States
RevenueBase records 137 matching company records for switching power supply companies based in the United States, with 9,562 tracked contacts and 1,647 verified work emails.
This public preview shows 25 selected records ordered by tracked contacts. RevenueBase SmartSearch finds company descriptions that match by meaning at Exact. Snapshot: September 22, 2026.
RevenueBase compiles business descriptions for niche-company discovery; each row shows a recorded excerpt where available. Adapt this search to find the companies and contacts you want.
Top 25 switching power supply companies 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 | Artesyn Embedded Powerartesyn.com HQ: Tempe, AZ, United StatesReported employees: 10001+ | Tempe, AZ, United States | 10001+ | Exact match | 1,111 contacts → |
“Artesyn Embedded Power is an Advanced Energy product brand and is well recognized as a global leader in the design and manufacture of highly reliable power conversion solutions…” Recorded description excerpt · September 22, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 2 | VICORvicorpower.com HQ: Andover, MA, United StatesReported employees: 1,001-5,000 | Andover, MA, United States | 1,001-5,000 | Exact match | 821 contacts → |
“Vicor Corporation designs, develops, manufactures and markets modular power components and complete power systems based upon a portfolio of patented technologies.” Recorded description excerpt · September 22, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 3 | Murata Power Solutionsmurata.com HQ: Westborough, MA, United StatesReported employees: 1,001-5,000 | Westborough, MA, United States | 1,001-5,000 | Exact match | 369 contacts → |
“Murata Power Solutions is powering the future with sustainable energy solutions.” Recorded description excerpt · September 22, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 4 | Astrodyne TDIastrodynetdi.com HQ: Hackettstown, NJ, United StatesReported employees: 501-1,000 | Hackettstown, NJ, United States | 501-1,000 | Exact match | 290 contacts → |
“Astrodyne TDI is a custom designer and manufacturer of innovative power solutions for demanding applications worldwide.” Recorded description excerpt · September 22, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 5 | SL Power Electronicsslpower.com HQ: Ventura, CA, United StatesReported employees: 501-1,000 | Ventura, CA, United States | 501-1,000 | Exact match | 263 contacts → |
“SL Power Electronics is a global leader in the design, manufacturing and marketing of differentiated internal and external AC/DC and DC/DC power conversion solutions for highly…” Recorded description excerpt · September 22, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 6 | Omnion Poweromnionpower.com HQ: Plano, TX, United StatesReported employees: 1,001-5,000 | Plano, TX, United States | 1,001-5,000 | Exact match | 236 contacts → |
“A leader in power conversion technology, OmniOn partners with customers to deliver reliable solutions that power their businesses both today and well into the future.” Recorded description excerpt · September 22, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 7 | EPC Power Corpepcpower.com HQ: Poway, CA, United StatesReported employees: 201-500 | Poway, CA, United States | 201-500 | Exact match | 231 contacts → |
“Since 2010, EPC Power is a power solutions platform that designs, engineers and manufactures advanced power conversion solutions in the USA for data center, energy storage and…” Recorded description excerpt · September 22, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 8 | Intermountain Electronicsie-corp.com HQ: Price, UT, United StatesReported employees: 501-1,000 | Price, UT, United States | 501-1,000 | Exact match | 208 contacts → |
“IE provides custom-engineered, packaged equipment to industrial markets.” Recorded description excerpt · September 22, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 9 | CUI INCcui.com HQ: Portland, OR, United StatesReported employees: 51-200 | Portland, OR, United States | 51-200 | Exact match | 206 contacts → |
“At CUI our purpose is straight-forward: power products how you want them, when you want them.” Recorded description excerpt · September 22, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 10 | Synqorsynqor.com HQ: Salem, NH, United StatesReported employees: 201-500 | Salem, NH, United States | 201-500 | Exact match | 200 contacts → |
“SynQor is a leading supplier of power conversion solutions to the military, avionics, transportation, medical, industrial, telecommunications and computing markets.” Recorded description excerpt · September 22, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 11 | NWLnwl.com HQ: Bordentown, NJ, United StatesReported employees: 201-500 | Bordentown, NJ, United States | 201-500 | Exact match | 177 contacts → |
“NWL Inc.” Recorded description excerpt · September 22, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 12 | Stored Energy Systems LLC Senssens-usa.com HQ: Longmont, CO, United StatesReported employees: 201-500 | Longmont, CO, United States | 201-500 | Exact match | 131 contacts → |
“Stored Energy Systems (SENS) is a Colorado-based designer and manufacturer in mission-critical environments like data centers, hospitals, utilities, and telecommunications…” Recorded description excerpt · September 22, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 13 | Rantec Power Systems INCrantec.com HQ: Los Osos, CA, United StatesReported employees: 201-500 | Los Osos, CA, United States | 201-500 | Exact match | 127 contacts → |
“Located on California’s beautiful Central Coast, Rantec Power Systems has been providing power conversion products since 1971.” Recorded description excerpt · September 22, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 14 | Roman Manufacturingromanmfg.com HQ: Grand Rapids, MI, United StatesReported employees: 201-500 | Grand Rapids, MI, United States | 201-500 | Exact match | 99 contacts → |
“RoMan Manufacturing was founded in 1980 in Grand Rapids, Michigan, and specializes in small, lightweight Water-Cooled AC Transformers, DC Power Supplies, MFDC (Medium-Frequency)…” Recorded description excerpt · September 22, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 15 | Kepco Dynatronixkepcopower.com HQ: New York, United StatesReported employees: 51-200 | New York, United States | 51-200 | Exact match | 75 contacts → |
“Kepco Inc, has been making electronic d-c power supplies, both modular and instrument type, since 1946.” Recorded description excerpt · September 22, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 16 | Butcher Power Productsbppmfg.com HQ: Sacramento, CA, United StatesReported employees: 51-200 | Sacramento, CA, United States | 51-200 | Exact match | 65 contacts → |
“At Butcher Power Products (BPP), we are redefining what it means to be a power solutions manufacturer.” Recorded description excerpt · September 22, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 17 | Milpower Source, INCmilpower.com HQ: Belmont, NH, United StatesReported employees: 51-200 | Belmont, NH, United States | 51-200 | Exact match | 56 contacts → |
“Since 1984, Milpower Source, Inc.” Recorded description excerpt · September 22, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 18 | TRC Electronics, INCtrcelectronics.com HQ: Doylestown, PA, United StatesReported employees: 11-50 | Doylestown, PA, United States | 11-50 | Exact match | 54 contacts → |
“Established in 1982, TRC Electronics, Inc.” Recorded description excerpt · September 22, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 19 | Aj's Power Sourceajpowersupply.com HQ: Land O Lakes, FL, United StatesReported employees: 11-50 | Land O Lakes, FL, United States | 11-50 | Exact match | 34 contacts → |
“Military, Aerospace, Industrial, Commercial, Telecom & Custom Power Supply Solutions.” Recorded description excerpt · September 22, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 20 | Netpowernetpowercorp.com HQ: Plano, TX, United StatesReported employees: 201-500 | Plano, TX, United States | 201-500 | Exact match | 31 contacts → |
“NetPower is a technology leader of open-frame and encapsulated high efficiency and high density DC-DC and AC-DC power converters.” Recorded description excerpt · September 22, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 21 | Calex Manufacturing Co, INCcalex.com HQ: Concord, MA, United StatesReported employees: 51-200 | Concord, MA, United States | 51-200 | Exact match | 27 contacts → |
“Calex Manufacturing Co, Inc, a subsidiary of Murata Power Solutions, Inc.” Recorded description excerpt · September 22, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 22 | Acopian Power Suppliesacopian.com HQ: Easton, PA, United StatesReported employees: 51-200 | Easton, PA, United States | 51-200 | Exact match | 24 contacts → |
“Acopian Power Supplies manufactures an exceptionally diverse line of AC-to-DC power supplies, DC-to-DC converters, high voltage power supplies, and redundant output power packages…” Recorded description excerpt · September 22, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 23 | Warner Powergrandpowersystems.com HQ: Grand Haven, MI, United StatesReported employees: 51-200 | Grand Haven, MI, United States | 51-200 | Exact match | 20 contacts → |
“Warner Power is now part of Grand Power Systems!” Recorded description excerpt · September 22, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 24 | Darrah Electric Companydarrahelectric.com HQ: Cleveland, OH, United StatesReported employees: 11-50 | Cleveland, OH, United States | 11-50 | Exact match | 18 contacts → |
“Darrah Electric Company is a manufacturer of high quality DC power supplies and power assembly solutions, and a distributor of power semiconductors and related components.” Recorded description excerpt · September 22, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 25 | Switching Power, INCswitchpwr.com HQ: Ronkonkoma, NY, United StatesReported employees: 51-200 | Ronkonkoma, NY, United States | 51-200 | Exact match | 18 contacts → |
“Headquartered on Long Island New York, SPI has been manufacturing switching mode power supplies since 1976.” Recorded description excerpt · September 22, 2026Open company data in RevenueBase ↗Free signup required. | |||||
Showing 25 of 137 company matches
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Switching power supply companies: dataset insights
September 22, 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
137 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 137 companies.
How this company list was built
Describe a niche in your own words: companies installing commercial solar, or manufacturers of sustainable packaging. RevenueBase SmartSearch finds companies whose compiled business descriptions match by meaning. This list is one saved example to adapt.
Where the company descriptions come from
RevenueBase compiles company information from public sources, including company websites and public professional profiles such as LinkedIn, alongside information supplied by companies. The short recorded excerpt shown here is separate from the complete business description used for matching; individual source URLs and collection dates are not provided in this public snapshot.
RevenueBase SmartSearch matching settings
- Exact
- Closest fits to the business described.
- Similar
- Similar businesses with a wider range of fits.
- Related
- Related businesses in and around the category.
- Broad
- A broader set of businesses connected to the description.
RevenueBase SmartSearch · Exact match identifies inclusion in this search's closest semantic matching setting. It is not a per-company confidence score, a literal keyword match, or a quality endorsement.
Selection, ordering and scope
The public list shows selected company records with contact and verified-email coverage. Reported employee bands provide separate company-size context.
This page is derived from saved source records; per-contact mobile coverage and email-recency results are not established by this snapshot.
Recorded company descriptions support research; check company websites for current services. The selected preview is ordered by tracked contacts and is not a list of the best service providers.
Snapshot: September 22, 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 switching power supply companies?
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 switching power supply companies did RevenueBase find based in the United States?
The saved snapshot records 137 matching company records, 9,562 tracked contacts and 1,647 verified emails. The public preview displays 25 selected records.
Where do the company descriptions come from?
RevenueBase compiles company information from public sources, including company websites and public professional profiles such as LinkedIn, alongside information supplied by companies. The short recorded excerpt shown here is separate from the complete business description used for matching; individual source URLs and collection dates are not provided in this public snapshot.
How are the public companies ordered?
The selected public records are ordered by contacts tracked in RevenueBase, highest first. Contact coverage is a prospecting measure, not an assessment of the company's services or quality.
How can I get contact information?
Select a company's contact count to open its filtered contacts in RevenueBase. Free signup is required and includes 500 credits and limited free results. Verified emails, direct dials and mobile numbers depend on available coverage.
How current is this list?
Snapshot: September 22, 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
Switching power supply companies by geography
Cite this list
RevenueBase Data Team. Top 25 switching power supply companies based in the United States. Snapshot: September 22, 2026. https://revenuebase.ai/companies/switching-power-supply-companies/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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