Company lists · Data refreshed October 2026
Top 25 High voltage power supplies suppliers based in the United States
RevenueBase identified 69 company matches for high voltage power supplies suppliers associated with the United States as of October 2026 and tracks 2,587 professional contacts across them, including 573 with verified work emails. San Diego is the largest hub.
This list covers company matches for high voltage power supplies suppliers associated with the United States, found by RevenueBase SmartSearch using the meaning of business descriptions in its company graph at Exact. Ranked by professionals tracked, largest first. Rows show recorded descriptions where available, Exact search membership and the snapshot date. Data refreshed October 26, 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 high voltage power supplies suppliers based in the United States
Ranked by team size| # | Company | Contacts | |||
|---|---|---|---|---|---|
| 1 | 872 contacts → | ||||
Exact match “Spellman High Voltage Electronics Corporation is the world's leading independent manufacturer of DC high voltage power supplies, x-ray generators and Monoblock® X-ray sources.” Recorded in the RevenueBase company graph · Oct 26, 2026 · View company records in RevenueBase | |||||
| 2 | 180 contacts → | ||||
Exact match “NWL Inc.” Recorded in the RevenueBase company graph · Oct 26, 2026 · View company records in RevenueBase | |||||
| 3 | 171 contacts → | ||||
Exact match “For over 100 years, SAI (Switchboard Apparatus, Inc.) has supplied innovative and reliable equipment for electrical power distribution.” Recorded in the RevenueBase company graph · Oct 26, 2026 · View company records in RevenueBase | |||||
| 4 | 164 contacts → | ||||
Exact match “Magna-Power designs and manufactures robust programmable power products in the USA that set industry standards for quality, size, and control.” Recorded in the RevenueBase company graph · Oct 26, 2026 · View company records in RevenueBase | |||||
| 5 | 80 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 · Oct 26, 2026 · View company records in RevenueBase | |||||
| 6 | 58 contacts → | ||||
Exact match “Dean Technology, Inc is an ISO 9001:2015 certified company that specializes in the manufacture, distribution and support of high voltage and high power diodes, power supplies…” Recorded in the RevenueBase company graph · Oct 26, 2026 · View company records in RevenueBase | |||||
| 7 | 46 contacts → | ||||
Exact match “Voltage Multipliers Inc.(VMI) manufactures high voltage diodes, optocouplers, multipliers, rectifiers, and power supplies.” Recorded in the RevenueBase company graph · Oct 26, 2026 · View company records in RevenueBase | |||||
| 8 | 40 contacts → | ||||
Exact match “PHENIX Technologies Inc, A Division of Doble Engineering, designs and manufactures a wide range of High Voltage, High Current, and High Power Test Systems and Components.” Recorded in the RevenueBase company graph · Oct 26, 2026 · View company records in RevenueBase | |||||
| 9 | 36 contacts → | ||||
Exact match “T&R Electric Supply Company buys, sells, rents, and repairs distribution and power class transformers, along with medium and high voltage switchgear.” Recorded in the RevenueBase company graph · Oct 26, 2026 · View company records in RevenueBase | |||||
| 10 | 28 contacts → | ||||
Exact match “Warner Power is now part of Grand Power Systems!” Recorded in the RevenueBase company graph · Oct 26, 2026 · View company records in RevenueBase | |||||
| 11 | 27 contacts → | ||||
Exact match “HVM Technology is a leading producer of standard and custom high performance miniature high voltage power converters and other high voltage products for a wide variety of…” Recorded in the RevenueBase company graph · Oct 26, 2026 · View company records in RevenueBase | |||||
| 12 | 26 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 · Oct 26, 2026 · View company records in RevenueBase | |||||
| 13 | 23 contacts → | ||||
Exact match “MARS Transformers, LLC is a veteran owned and operated company providing innovative high voltage service and equipment solutions to the energy industry worldwide.” Recorded in the RevenueBase company graph · Oct 26, 2026 · View company records in RevenueBase | |||||
| 14 | 20 contacts → | ||||
Exact match “Equisales provides domestic and international utilities, power plants and industrial customers with time-critical high voltage transformers and substation equipment while…” Recorded in the RevenueBase company graph · Oct 26, 2026 · View company records in RevenueBase | |||||
| 15 | 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 · Oct 26, 2026 · View company records in RevenueBase | |||||
| 16 | 16 contacts → | ||||
Exact match Recorded description not available. Recorded in the RevenueBase company graph · Oct 26, 2026 · View company records in RevenueBase | |||||
| 17 | 14 contacts → | ||||
Exact match “Wisconsin based Power Parts International has been in the business for 25 years.” Recorded in the RevenueBase company graph · Oct 26, 2026 · View company records in RevenueBase | |||||
| 18 | 13 contacts → | ||||
Exact match Recorded description not available. Recorded in the RevenueBase company graph · Oct 26, 2026 · View company records in RevenueBase | |||||
| 19 | 12 contacts → | ||||
Exact match “American CRS Equipment offers the largest range of high-power, modular, switchmode supplies available in the industry.” Recorded in the RevenueBase company graph · Oct 26, 2026 · View company records in RevenueBase | |||||
| 20 | 11 contacts → | ||||
Exact match “Newton Scientific is a high voltage technology company designing and producing x-ray sources, particle accelerators and high voltage systems.” Recorded in the RevenueBase company graph · Oct 26, 2026 · View company records in RevenueBase | |||||
| 21 | 10 contacts → | ||||
Exact match Recorded description not available. Recorded in the RevenueBase company graph · Oct 26, 2026 · View company records in RevenueBase | |||||
| 22 | 7 contacts → | ||||
Exact match “Polarity was founded in to meet the growing demand for innovative and reliable high voltage power systems and solutions.” Recorded in the RevenueBase company graph · Oct 26, 2026 · View company records in RevenueBase | |||||
| 23 | 7 contacts → | ||||
Exact match “Colorado Power Electronics (CPE) is a manufacturer of precision high voltage equipment- High Voltage Power Supplies with Low Stored Energy - High Voltage Solid-State Pulsers - TWT…” Recorded in the RevenueBase company graph · Oct 26, 2026 · View company records in RevenueBase | |||||
| 24 | 5 contacts → | ||||
Exact match “ASD is an expert in power industry solutions, high voltage and high current testing.” Recorded in the RevenueBase company graph · Oct 26, 2026 · View company records in RevenueBase | |||||
| 25 | 3 contacts → | ||||
Exact match “Fast Track Solutions To Get You Up and Running Transformer Network is a multi-service resource for high voltage electrical equipment and power transformers.” Recorded in the RevenueBase company graph · Oct 26, 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 “high voltage power supplies 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 25 of 69 high voltage power supplies suppliers based in the United States
See the full list, filter by size, metro and specialty, and access 573 tracked professional contacts with verified work emails. Direct dials are available where recorded.
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High voltage power supplies suppliers based in the United States at a glance
As of Oct 26, 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 69 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 “high voltage power supplies 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 573 professional contacts with verified work emails across the full matched dataset. Contacts re-verify on a rolling cadence, and each contact's own verification date is shown inside RevenueBase.
- Refresh
- This page's figures were pulled from the company graph on October 26, 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 “high voltage power supplies suppliers”; each Exact match badge shows search membership, not an individual similarity or quality score.
How many high voltage power supplies suppliers are there based in the United States?
RevenueBase identified 69 company matches for high voltage power supplies suppliers associated with the United States as of October 2026, using the meaning of business descriptions at Exact. This is the recorded matched set in the RevenueBase company graph.
What is the largest company on this list?
Spellman High Voltage Electronics Corporation tops the displayed preview by professional contacts tracked in RevenueBase. Recorded headquarters appear in the company rows.
Which city has the most high voltage power supplies suppliers?
San Diego leads with 4 company records, followed by Copake (2) and Fort Collins (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 573 professional contacts with verified work emails tracked across these 69 companies; direct dials are available where recorded.
How current is this list?
The list refreshes periodically as the company graph is re-checked. This page's figures were pulled on October 26, 2026.
Ready to reach these companies? Verified emails and direct dials for all 69 high voltage power supplies 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.
More company lists
- All company lists
- Lists by location
- Lists A-Z
- New lists
- High voltage power supplies suppliers based in Germany
- High voltage power supplies suppliers based in the United Kingdom
- AI companies based in the United States
- Cybersecurity companies based in the United States
- Manufacturing companies based in the United States
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Company intelligence · public preview
Top 25 high voltage power supplies 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 69 matching company records for high voltage power supplies suppliers based in the United States, with 2,587 tracked contacts and 573 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: October 26, 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 high voltage power supplies 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 |  Spellman High Voltage Electronics Corporationspellmanhv.comHQ: Hauppauge, NY, United StatesReported employees: 1,001-5,000 | Hauppauge, NY, United States | 1,001-5,000 | Exact match | 872 contacts → |
“Spellman High Voltage Electronics Corporation is the world's leading independent manufacturer of DC high voltage power supplies, x-ray generators and Monoblock® X-ray sources.” Recorded description excerpt · October 26, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 2 | NWLnwl.com HQ: Bordentown, NJ, United StatesReported employees: 201-500 | Bordentown, NJ, United States | 201-500 | Exact match | 180 contacts → |
“NWL Inc.” Recorded description excerpt · October 26, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 3 | SAI Advanced Power Solutions, INCsai-aps.com HQ: Franklin Park, IL, United StatesReported employees: 501-1,000 | Franklin Park, IL, United States | 501-1,000 | Exact match | 171 contacts → |
“For over 100 years, SAI (Switchboard Apparatus, Inc.) has supplied innovative and reliable equipment for electrical power distribution.” Recorded description excerpt · October 26, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 4 |  Magna-Power Electronicsmagna-power.comHQ: Flemington, NJ, United StatesReported employees: 51-200 | Flemington, NJ, United States | 51-200 | Exact match | 164 contacts → |
“Magna-Power designs and manufactures robust programmable power products in the USA that set industry standards for quality, size, and control.” Recorded description excerpt · October 26, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 5 | Kepco Dynatronixkepcopower.com HQ: New York, United StatesReported employees: 51-200 | New York, United States | 51-200 | Exact match | 80 contacts → |
“Kepco Inc, has been making electronic d-c power supplies, both modular and instrument type, since 1946.” Recorded description excerpt · October 26, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 6 | Dean Technology, INCdeantechnology.com HQ: Addison, TX, United StatesReported employees: 51-200 | Addison, TX, United States | 51-200 | Exact match | 58 contacts → |
“Dean Technology, Inc is an ISO 9001:2015 certified company that specializes in the manufacture, distribution and support of high voltage and high power diodes, power supplies…” Recorded description excerpt · October 26, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 7 | Voltage Multipliers INCvoltagemultipliers.com HQ: Visalia, CA, United StatesReported employees: 201-500 | Visalia, CA, United States | 201-500 | Exact match | 46 contacts → |
“Voltage Multipliers Inc.(VMI) manufactures high voltage diodes, optocouplers, multipliers, rectifiers, and power supplies.” Recorded description excerpt · October 26, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 8 | Phenix Technologies, A Doble Companyphenixtech.com HQ: Accident, MD, United StatesReported employees: 51-200 | Accident, MD, United States | 51-200 | Exact match | 40 contacts → |
“PHENIX Technologies Inc, A Division of Doble Engineering, designs and manufactures a wide range of High Voltage, High Current, and High Power Test Systems and Components.” Recorded description excerpt · October 26, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 9 | T & R Electric Supply Co., INCtrelectric.com HQ: Colman, SD, United StatesReported employees: 51-200 | Colman, SD, United States | 51-200 | Exact match | 36 contacts → |
“T&R Electric Supply Company buys, sells, rents, and repairs distribution and power class transformers, along with medium and high voltage switchgear.” Recorded description excerpt · October 26, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 10 | Warner Powergrandpowersystems.com HQ: Grand Haven, MI, United StatesReported employees: 51-200 | Grand Haven, MI, United States | 51-200 | Exact match | 28 contacts → |
“Warner Power is now part of Grand Power Systems!” Recorded description excerpt · October 26, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 11 | HVM Technology, INChvmtech.com HQ: New Braunfels, TX, United StatesReported employees: 11-50 | New Braunfels, TX, United States | 11-50 | Exact match | 27 contacts → |
“HVM Technology is a leading producer of standard and custom high performance miniature high voltage power converters and other high voltage products for a wide variety of…” Recorded description excerpt · October 26, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 12 |  Acopian Power Suppliesacopian.comHQ: Easton, PA, United StatesReported employees: 51-200 | Easton, PA, United States | 51-200 | Exact match | 26 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 · October 26, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 13 | Mars Transformers, LLCmarstransformers.com HQ: Pearland, TX, United StatesReported employees: 11-50 | Pearland, TX, United States | 11-50 | Exact match | 23 contacts → |
“MARS Transformers, LLC is a veteran owned and operated company providing innovative high voltage service and equipment solutions to the energy industry worldwide.” Recorded description excerpt · October 26, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 14 |  Equisales Associatesequisales.comHQ: Houston, TX, United StatesReported employees: 11-50 | Houston, TX, United States | 11-50 | Exact match | 20 contacts → |
“Equisales provides domestic and international utilities, power plants and industrial customers with time-critical high voltage transformers and substation equipment while…” Recorded description excerpt · October 26, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 15 | 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 · October 26, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 16 | High Voltage, INChvinc.com HQ: Copake, NY, United StatesReported employees: 11-50 | Copake, NY, United States | 11-50 | Exact match | 16 contacts → |
No recorded description excerpt is available for this public record. | |||||
| 17 | Power Parts Internationalpowerpartsinc.com HQ: West Bend, WI, United StatesReported employees: 11-50 | West Bend, WI, United States | 11-50 | Exact match | 14 contacts → |
“Wisconsin based Power Parts International has been in the business for 25 years.” Recorded description excerpt · October 26, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 18 | Design Criteria, INCdesigncriteria.com HQ: Roy, UT, United StatesReported employees: 1-10 | Roy, UT, United States | 1-10 | Exact match | 13 contacts → |
No recorded description excerpt is available for this public record. | |||||
| 19 | American CRS Equipmentamericancrs.com HQ: New Berlin, WI, United StatesReported employees: 1-10 | New Berlin, WI, United States | 1-10 | Exact match | 12 contacts → |
“American CRS Equipment offers the largest range of high-power, modular, switchmode supplies available in the industry.” Recorded description excerpt · October 26, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 20 | Newton Scientificnewtonscientificinc.com HQ: Charlestown, MA, United StatesReported employees: 11-50 | Charlestown, MA, United States | 11-50 | Exact match | 11 contacts → |
“Newton Scientific is a high voltage technology company designing and producing x-ray sources, particle accelerators and high voltage systems.” Recorded description excerpt · October 26, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 21 | Hyosung Hicohyosunghico.com HQ: Collierville, TN, United StatesReported employees: Not recorded | Collierville, TN, United States | Not recorded | Exact match | 10 contacts → |
No recorded description excerpt is available for this public record. | |||||
| 22 | Polarity, INCpolarity.net HQ: Rancho Cordova, CA, United StatesReported employees: 11-50 | Rancho Cordova, CA, United States | 11-50 | Exact match | 7 contacts → |
“Polarity was founded in to meet the growing demand for innovative and reliable high voltage power systems and solutions.” Recorded description excerpt · October 26, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 23 | Colorado Power Electronics, INCc-pwr.com HQ: Fort Collins, CO, United StatesReported employees: 11-50 | Fort Collins, CO, United States | 11-50 | Exact match | 7 contacts → |
“Colorado Power Electronics (CPE) is a manufacturer of precision high voltage equipment- High Voltage Power Supplies with Low Stored Energy - High Voltage Solid-State Pulsers - TWT…” Recorded description excerpt · October 26, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 24 | Automation Systems And Diagnostics, INCasdpower.com HQ: Apex, NC, United StatesReported employees: 1-10 | Apex, NC, United States | 1-10 | Exact match | 5 contacts → |
“ASD is an expert in power industry solutions, high voltage and high current testing.” Recorded description excerpt · October 26, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 25 | Transformer Network, INCtransformernet.com HQ: Palm Coast, United StatesReported employees: 51-200 | Palm Coast, United States | 51-200 | Exact match | 3 contacts → |
“Fast Track Solutions To Get You Up and Running Transformer Network is a multi-service resource for high voltage electrical equipment and power transformers.” Recorded description excerpt · October 26, 2026Open company data in RevenueBase ↗Free signup required. | |||||
Showing 25 of 69 company matches
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High voltage power supplies suppliers: dataset insights
October 26, 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
69 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 69 companies.
How this company list was built
Describe a niche in your own words: companies installing commercial solar, or manufacturers of sustainable packaging. RevenueBase SmartSearch finds companies whose compiled business descriptions match by meaning. This list is one saved example to adapt.
Where the company descriptions come from
RevenueBase compiles company information from public sources, including company websites and public professional profiles such as LinkedIn, alongside information supplied by companies. The short recorded excerpt shown here is separate from the complete business description used for matching; individual source URLs and collection dates are not provided in this public snapshot.
RevenueBase SmartSearch matching settings
- Exact
- Closest fits to the business described.
- Similar
- Similar businesses with a wider range of fits.
- Related
- Related businesses in and around the category.
- Broad
- A broader set of businesses connected to the description.
RevenueBase SmartSearch · Exact match identifies inclusion in this search's closest semantic matching setting. It is not a per-company confidence score, a literal keyword match, or a quality endorsement.
Selection, ordering and scope
The public list shows selected company records with contact and verified-email coverage. Reported employee bands provide separate company-size context.
This page is derived from saved source records; per-contact mobile coverage and email-recency results are not established by this snapshot.
Recorded company descriptions support research; check company websites for current services. The selected preview is ordered by tracked contacts and is not a list of the best service providers.
Snapshot: October 26, 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 high voltage power supplies 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 high voltage power supplies suppliers did RevenueBase find based in the United States?
The saved snapshot records 69 matching company records, 2,587 tracked contacts and 573 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: October 26, 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
High voltage power supplies suppliers by geography
Cite this list
RevenueBase Data Team. Top 25 high voltage power supplies suppliers based in the United States. Snapshot: October 26, 2026. https://revenuebase.ai/companies/high-voltage-power-supplies-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
- High voltage power supplies suppliers based in Germany
- High voltage power supplies suppliers based in the United Kingdom
- 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
Company intelligence · public preview
Top 25 high voltage power supplies suppliers based in the United States
RevenueBase records 69 matching company records for high voltage power supplies suppliers based in the United States, with 2,587 tracked contacts and 573 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: October 26, 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 high voltage power supplies 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 | Spellman High Voltage Electronics Corporationspellmanhv.com HQ: Hauppauge, NY, United StatesReported employees: 1,001-5,000 | Hauppauge, NY, United States | 1,001-5,000 | Exact match | 872 contacts → |
“Spellman High Voltage Electronics Corporation is the world's leading independent manufacturer of DC high voltage power supplies, x-ray generators and Monoblock® X-ray sources.” Recorded description excerpt · October 26, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 2 | NWLnwl.com HQ: Bordentown, NJ, United StatesReported employees: 201-500 | Bordentown, NJ, United States | 201-500 | Exact match | 180 contacts → |
“NWL Inc.” Recorded description excerpt · October 26, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 3 | SAI Advanced Power Solutions, INCsai-aps.com HQ: Franklin Park, IL, United StatesReported employees: 501-1,000 | Franklin Park, IL, United States | 501-1,000 | Exact match | 171 contacts → |
“For over 100 years, SAI (Switchboard Apparatus, Inc.) has supplied innovative and reliable equipment for electrical power distribution.” Recorded description excerpt · October 26, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 4 | Magna-Power Electronicsmagna-power.com HQ: Flemington, NJ, United StatesReported employees: 51-200 | Flemington, NJ, United States | 51-200 | Exact match | 164 contacts → |
“Magna-Power designs and manufactures robust programmable power products in the USA that set industry standards for quality, size, and control.” Recorded description excerpt · October 26, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 5 | Kepco Dynatronixkepcopower.com HQ: New York, United StatesReported employees: 51-200 | New York, United States | 51-200 | Exact match | 80 contacts → |
“Kepco Inc, has been making electronic d-c power supplies, both modular and instrument type, since 1946.” Recorded description excerpt · October 26, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 6 | Dean Technology, INCdeantechnology.com HQ: Addison, TX, United StatesReported employees: 51-200 | Addison, TX, United States | 51-200 | Exact match | 58 contacts → |
“Dean Technology, Inc is an ISO 9001:2015 certified company that specializes in the manufacture, distribution and support of high voltage and high power diodes, power supplies…” Recorded description excerpt · October 26, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 7 | Voltage Multipliers INCvoltagemultipliers.com HQ: Visalia, CA, United StatesReported employees: 201-500 | Visalia, CA, United States | 201-500 | Exact match | 46 contacts → |
“Voltage Multipliers Inc.(VMI) manufactures high voltage diodes, optocouplers, multipliers, rectifiers, and power supplies.” Recorded description excerpt · October 26, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 8 | Phenix Technologies, A Doble Companyphenixtech.com HQ: Accident, MD, United StatesReported employees: 51-200 | Accident, MD, United States | 51-200 | Exact match | 40 contacts → |
“PHENIX Technologies Inc, A Division of Doble Engineering, designs and manufactures a wide range of High Voltage, High Current, and High Power Test Systems and Components.” Recorded description excerpt · October 26, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 9 | T & R Electric Supply Co., INCtrelectric.com HQ: Colman, SD, United StatesReported employees: 51-200 | Colman, SD, United States | 51-200 | Exact match | 36 contacts → |
“T&R Electric Supply Company buys, sells, rents, and repairs distribution and power class transformers, along with medium and high voltage switchgear.” Recorded description excerpt · October 26, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 10 | Warner Powergrandpowersystems.com HQ: Grand Haven, MI, United StatesReported employees: 51-200 | Grand Haven, MI, United States | 51-200 | Exact match | 28 contacts → |
“Warner Power is now part of Grand Power Systems!” Recorded description excerpt · October 26, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 11 | HVM Technology, INChvmtech.com HQ: New Braunfels, TX, United StatesReported employees: 11-50 | New Braunfels, TX, United States | 11-50 | Exact match | 27 contacts → |
“HVM Technology is a leading producer of standard and custom high performance miniature high voltage power converters and other high voltage products for a wide variety of…” Recorded description excerpt · October 26, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 12 | Acopian Power Suppliesacopian.com HQ: Easton, PA, United StatesReported employees: 51-200 | Easton, PA, United States | 51-200 | Exact match | 26 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 · October 26, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 13 | Mars Transformers, LLCmarstransformers.com HQ: Pearland, TX, United StatesReported employees: 11-50 | Pearland, TX, United States | 11-50 | Exact match | 23 contacts → |
“MARS Transformers, LLC is a veteran owned and operated company providing innovative high voltage service and equipment solutions to the energy industry worldwide.” Recorded description excerpt · October 26, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 14 | Equisales Associatesequisales.com HQ: Houston, TX, United StatesReported employees: 11-50 | Houston, TX, United States | 11-50 | Exact match | 20 contacts → |
“Equisales provides domestic and international utilities, power plants and industrial customers with time-critical high voltage transformers and substation equipment while…” Recorded description excerpt · October 26, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 15 | 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 · October 26, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 16 | High Voltage, INChvinc.com HQ: Copake, NY, United StatesReported employees: 11-50 | Copake, NY, United States | 11-50 | Exact match | 16 contacts → |
No recorded description excerpt is available for this public record. | |||||
| 17 | Power Parts Internationalpowerpartsinc.com HQ: West Bend, WI, United StatesReported employees: 11-50 | West Bend, WI, United States | 11-50 | Exact match | 14 contacts → |
“Wisconsin based Power Parts International has been in the business for 25 years.” Recorded description excerpt · October 26, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 18 | Design Criteria, INCdesigncriteria.com HQ: Roy, UT, United StatesReported employees: 1-10 | Roy, UT, United States | 1-10 | Exact match | 13 contacts → |
No recorded description excerpt is available for this public record. | |||||
| 19 | American CRS Equipmentamericancrs.com HQ: New Berlin, WI, United StatesReported employees: 1-10 | New Berlin, WI, United States | 1-10 | Exact match | 12 contacts → |
“American CRS Equipment offers the largest range of high-power, modular, switchmode supplies available in the industry.” Recorded description excerpt · October 26, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 20 | Newton Scientificnewtonscientificinc.com HQ: Charlestown, MA, United StatesReported employees: 11-50 | Charlestown, MA, United States | 11-50 | Exact match | 11 contacts → |
“Newton Scientific is a high voltage technology company designing and producing x-ray sources, particle accelerators and high voltage systems.” Recorded description excerpt · October 26, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 21 | Hyosung Hicohyosunghico.com HQ: Collierville, TN, United StatesReported employees: Not recorded | Collierville, TN, United States | Not recorded | Exact match | 10 contacts → |
No recorded description excerpt is available for this public record. | |||||
| 22 | Polarity, INCpolarity.net HQ: Rancho Cordova, CA, United StatesReported employees: 11-50 | Rancho Cordova, CA, United States | 11-50 | Exact match | 7 contacts → |
“Polarity was founded in to meet the growing demand for innovative and reliable high voltage power systems and solutions.” Recorded description excerpt · October 26, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 23 | Colorado Power Electronics, INCc-pwr.com HQ: Fort Collins, CO, United StatesReported employees: 11-50 | Fort Collins, CO, United States | 11-50 | Exact match | 7 contacts → |
“Colorado Power Electronics (CPE) is a manufacturer of precision high voltage equipment- High Voltage Power Supplies with Low Stored Energy - High Voltage Solid-State Pulsers - TWT…” Recorded description excerpt · October 26, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 24 | Automation Systems And Diagnostics, INCasdpower.com HQ: Apex, NC, United StatesReported employees: 1-10 | Apex, NC, United States | 1-10 | Exact match | 5 contacts → |
“ASD is an expert in power industry solutions, high voltage and high current testing.” Recorded description excerpt · October 26, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 25 | Transformer Network, INCtransformernet.com HQ: Palm Coast, United StatesReported employees: 51-200 | Palm Coast, United States | 51-200 | Exact match | 3 contacts → |
“Fast Track Solutions To Get You Up and Running Transformer Network is a multi-service resource for high voltage electrical equipment and power transformers.” Recorded description excerpt · October 26, 2026Open company data in RevenueBase ↗Free signup required. | |||||
Showing 25 of 69 company matches
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High voltage power supplies suppliers: dataset insights
October 26, 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
69 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 69 companies.
How this company list was built
Describe a niche in your own words: companies installing commercial solar, or manufacturers of sustainable packaging. RevenueBase SmartSearch finds companies whose compiled business descriptions match by meaning. This list is one saved example to adapt.
Where the company descriptions come from
RevenueBase compiles company information from public sources, including company websites and public professional profiles such as LinkedIn, alongside information supplied by companies. The short recorded excerpt shown here is separate from the complete business description used for matching; individual source URLs and collection dates are not provided in this public snapshot.
RevenueBase SmartSearch matching settings
- Exact
- Closest fits to the business described.
- Similar
- Similar businesses with a wider range of fits.
- Related
- Related businesses in and around the category.
- Broad
- A broader set of businesses connected to the description.
RevenueBase SmartSearch · Exact match identifies inclusion in this search's closest semantic matching setting. It is not a per-company confidence score, a literal keyword match, or a quality endorsement.
Selection, ordering and scope
The public list shows selected company records with contact and verified-email coverage. Reported employee bands provide separate company-size context.
This page is derived from saved source records; per-contact mobile coverage and email-recency results are not established by this snapshot.
Recorded company descriptions support research; check company websites for current services. The selected preview is ordered by tracked contacts and is not a list of the best service providers.
Snapshot: October 26, 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 high voltage power supplies 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 high voltage power supplies suppliers did RevenueBase find based in the United States?
The saved snapshot records 69 matching company records, 2,587 tracked contacts and 573 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: October 26, 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
High voltage power supplies suppliers by geography
Cite this list
RevenueBase Data Team. Top 25 high voltage power supplies suppliers based in the United States. Snapshot: October 26, 2026. https://revenuebase.ai/companies/high-voltage-power-supplies-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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