Company lists · Data refreshed October 2026
Top 25 High voltage equipment manufacturers based in the United States
RevenueBase identified 187 company matches for high voltage equipment manufacturers associated with the United States as of October 2026 and tracks 7,616 professional contacts across them, including 2,544 with verified work emails. Houston is the largest hub.
This list covers company matches for high voltage equipment manufacturers 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 14, 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 equipment manufacturers based in the United States
Ranked by team size| # | Company | Contacts | |||
|---|---|---|---|---|---|
| 1 | 1,114 contacts → | ||||
Exact match “Hubbell Power Systems (HPS) designs and manufactures a wide variety of electric power transmission, distribution, substation, underground, OEM, and communications products used by…” Recorded in the RevenueBase company graph · Oct 14, 2026 · View company records in RevenueBase | |||||
| 2 | 1,014 contacts → | ||||
Exact match “Mitsubishi Electric Power Products, Inc.(MEPPI) is a leading U.S.” Recorded in the RevenueBase company graph · Oct 14, 2026 · View company records in RevenueBase | |||||
| 3 | 937 contacts → | ||||
Exact match “MacLean Power Systems (MPS), headquartered in Fort Mill, SC, is LEADING THE WAY™ in delivering innovative, reliable, and resilient solutions for the electric utility…” Recorded in the RevenueBase company graph · Oct 14, 2026 · View company records in RevenueBase | |||||
| 4 | 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 14, 2026 · View company records in RevenueBase | |||||
| 5 | 190 contacts → | ||||
Exact match “Pennsylvania Transformer Technology LLC (PTT) is a US-owned, industry leading manufacturer of a wide range of sizes and types of power transformers for the investor-owned…” Recorded in the RevenueBase company graph · Oct 14, 2026 · View company records in RevenueBase | |||||
| 6 | 151 contacts → | ||||
Exact match “In 2025, Southwest Electric Co.” Recorded in the RevenueBase company graph · Oct 14, 2026 · View company records in RevenueBase | |||||
| 7 | 149 contacts → | ||||
Exact match “At JST Power Equipment, we pride ourselves on delivering world-class transformer and electrical equipment solutions.” Recorded in the RevenueBase company graph · Oct 14, 2026 · View company records in RevenueBase | |||||
| 8 | 130 contacts → | ||||
Exact match Recorded description not available. Recorded in the RevenueBase company graph · Oct 14, 2026 · View company records in RevenueBase | |||||
| 9 | 126 contacts → | ||||
Exact match Recorded description not available. Recorded in the RevenueBase company graph · Oct 14, 2026 · View company records in RevenueBase | |||||
| 10 | 113 contacts → | ||||
Exact match “NOARK Electric is a global manufacturer and supplier of low, medium and high voltage electrical components for industrial and commercial applications.” Recorded in the RevenueBase company graph · Oct 14, 2026 · View company records in RevenueBase | |||||
| 11 | 113 contacts → | ||||
Exact match “E-T-A Engineering Technology is the world’s leading manufacturer of circuit breakers for equipment and is the only resource for all circuit protection technologies: thermal…” Recorded in the RevenueBase company graph · Oct 14, 2026 · View company records in RevenueBase | |||||
| 12 | 99 contacts → | ||||
Exact match “North American Substation Services is an electrical/electronic manufacturing company based out of 445 Douglas Ave, Altamonte Springs, Florida, United States.” Recorded in the RevenueBase company graph · Oct 14, 2026 · View company records in RevenueBase | |||||
| 13 | 94 contacts → | ||||
Exact match “With over 60 years of high voltage experience, we are a leader and safety expert in this space.” Recorded in the RevenueBase company graph · Oct 14, 2026 · View company records in RevenueBase | |||||
| 14 | 85 contacts → | ||||
Exact match “Welcome to Fortune Electric, a world class power transformer and switchgear manufacturer since 1969.” Recorded in the RevenueBase company graph · Oct 14, 2026 · View company records in RevenueBase | |||||
| 15 | 77 contacts → | ||||
Exact match “Hughes Brothers stands for quality in American Manufacturing.” Recorded in the RevenueBase company graph · Oct 14, 2026 · View company records in RevenueBase | |||||
| 16 | 60 contacts → | ||||
Exact match “Royal Switchgear, a MacLean Power Systems (MPS) company, is a leading provider of high voltage disconnect switches, hookstick switches, and specialty switchgear solutions.” Recorded in the RevenueBase company graph · Oct 14, 2026 · View company records in RevenueBase | |||||
| 17 | 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 14, 2026 · View company records in RevenueBase | |||||
| 18 | 48 contacts → | ||||
Exact match “Our mission is to maintain profitability and growth through customer satisfaction, industry leading quality and efficient product development and manufacturing.” Recorded in the RevenueBase company graph · Oct 14, 2026 · View company records in RevenueBase | |||||
| 19 | 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 14, 2026 · View company records in RevenueBase | |||||
| 20 | 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 14, 2026 · View company records in RevenueBase | |||||
| 21 | 40 contacts → | ||||
Exact match “Meramec Instrument Transformer Company is the preeminent manufacturer of bushing current transformers for the high-voltage circuit breaker and large power transformer markets.” Recorded in the RevenueBase company graph · Oct 14, 2026 · View company records in RevenueBase | |||||
| 22 | 37 contacts → | ||||
Exact match “Switchgear Solutions, An IPS Company offers a wide variety of field, shop and engineering services for power distribution and control equipment, including manufacturing new…” Recorded in the RevenueBase company graph · Oct 14, 2026 · View company records in RevenueBase | |||||
| 23 | 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 14, 2026 · View company records in RevenueBase | |||||
| 24 | 35 contacts → | ||||
Exact match “Metrotek designs, constructs, tests and maintains the electrical infrastructure that powers America’s economy.” Recorded in the RevenueBase company graph · Oct 14, 2026 · View company records in RevenueBase | |||||
| 25 | 32 contacts → | ||||
Exact match “Sunbelt Transformer is one of the world’s largest providers of new and reconditioned transformers and electrical equipment for commercial and industrial markets worldwide.” Recorded in the RevenueBase company graph · Oct 14, 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 equipment manufacturers”. 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 187 high voltage equipment manufacturers based in the United States
See the full list, filter by size, metro and specialty, and access 2,544 tracked professional contacts with verified work emails. Direct dials are available where recorded.
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High voltage equipment manufacturers based in the United States at a glance
As of Oct 14, 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 187 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 equipment manufacturers” 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 2,544 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 14, 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 equipment manufacturers”; each Exact match badge shows search membership, not an individual similarity or quality score.
How many high voltage equipment manufacturers are there based in the United States?
RevenueBase identified 187 company matches for high voltage equipment manufacturers 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?
Hubbell Power Systems tops the displayed preview by professional contacts tracked in RevenueBase. Recorded headquarters appear in the company rows.
Which city has the most high voltage equipment manufacturers?
Houston leads with 6 company records, followed by New York (3) and Addison (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 2,544 professional contacts with verified work emails tracked across these 187 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 14, 2026.
Ready to reach these companies? Verified emails and direct dials for all 187 high voltage equipment manufacturers based in the United States. Start with a free account, no credit card.
Download this list →Related lists
High voltage equipment manufacturers by geography
- High voltage equipment manufacturers based in Vadodara, India
- High voltage equipment manufacturers based in Australia
- High voltage equipment manufacturers based in Brazil
- High voltage equipment manufacturers based in Canada
- High voltage equipment manufacturers based in France
- High voltage equipment manufacturers based in Germany
- High voltage equipment manufacturers based in India
- High voltage equipment manufacturers based in Italy
- High voltage equipment manufacturers based in Poland
- High voltage equipment manufacturers based in Türkiye
- High voltage equipment manufacturers based in the United Kingdom
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 equipment manufacturers based in Vadodara, India
- High voltage equipment manufacturers based in Australia
- High voltage equipment manufacturers based in Brazil
- High voltage equipment manufacturers based in Canada
- High voltage equipment manufacturers based in France
- High voltage equipment manufacturers based in Germany
Company intelligence · public preview
Top 25 high voltage equipment manufacturers 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 187 matching company records for high voltage equipment manufacturers based in the United States, with 7,616 tracked contacts and 2,544 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 14, 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 equipment manufacturers 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 |  Hubbell Power Systemshubbellpowersystems.comHQ: Columbia, SC, United StatesReported employees: 1,001-5,000 | Columbia, SC, United States | 1,001-5,000 | Exact match | 1,114 contacts → |
“Hubbell Power Systems (HPS) designs and manufactures a wide variety of electric power transmission, distribution, substation, underground, OEM, and communications products used by…” Recorded description excerpt · October 14, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 2 | HQ: Warrendale, PA, United StatesReported employees: 1,001-5,000 | Warrendale, PA, United States | 1,001-5,000 | Exact match | 1,014 contacts → |
“Mitsubishi Electric Power Products, Inc.(MEPPI) is a leading U.S.” Recorded description excerpt · October 14, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 3 |  Maclean Power Systemsmacleanpower.comHQ: Fort Mill, SC, United StatesReported employees: 1,001-5,000 | Fort Mill, SC, United States | 1,001-5,000 | Exact match | 937 contacts → |
“MacLean Power Systems (MPS), headquartered in Fort Mill, SC, is LEADING THE WAY™ in delivering innovative, reliable, and resilient solutions for the electric utility…” Recorded description excerpt · October 14, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 4 |  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 14, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 5 | Pennsylvania Transformer Technology LLC PTTpatransformer.com HQ: Canonsburg, PA, United StatesReported employees: 201-500 | Canonsburg, PA, United States | 201-500 | Exact match | 190 contacts → |
“Pennsylvania Transformer Technology LLC (PTT) is a US-owned, industry leading manufacturer of a wide range of sizes and types of power transformers for the investor-owned…” Recorded description excerpt · October 14, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 6 | Southwest Electric COswelectric.com HQ: Oklahoma City, OK, United StatesReported employees: 201-500 | Oklahoma City, OK, United States | 201-500 | Exact match | 151 contacts → |
“In 2025, Southwest Electric Co.” Recorded description excerpt · October 14, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 7 | JST Power Equipmentjstpower.com HQ: Lake Mary, FL, United StatesReported employees: 201-500 | Lake Mary, FL, United States | 201-500 | Exact match | 149 contacts → |
“At JST Power Equipment, we pride ourselves on delivering world-class transformer and electrical equipment solutions.” Recorded description excerpt · October 14, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 8 | Hyosung Hico LTDhyosunghico.com HQ: Memphis, TN, United StatesReported employees: 201-500 | Memphis, TN, United States | 201-500 | Exact match | 130 contacts → |
No recorded description excerpt is available for this public record. | |||||
| 9 | Myers Power Products, INCmyerspowerproducts.com HQ: North Canton, OH, United StatesReported employees: 1,001-5,000 | North Canton, OH, United States | 1,001-5,000 | Exact match | 126 contacts → |
No recorded description excerpt is available for this public record. | |||||
| 10 | Noark Electricna.noark-electric.com HQ: Addison, TX, United StatesReported employees: 10001+ | Addison, TX, United States | 10001+ | Exact match | 113 contacts → |
“NOARK Electric is a global manufacturer and supplier of low, medium and high voltage electrical components for industrial and commercial applications.” Recorded description excerpt · October 14, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 11 | E-T-A Engineering Technologye-t-a.com HQ: Mt. Prospect, IL, United StatesReported employees: 51-200 | Mt. Prospect, IL, United States | 51-200 | Exact match | 113 contacts → |
“E-T-A Engineering Technology is the world’s leading manufacturer of circuit breakers for equipment and is the only resource for all circuit protection technologies: thermal…” Recorded description excerpt · October 14, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 12 | North American Substation Servicesnorthamericansubstationservices.com HQ: Altamonte Springs, FL, United StatesReported employees: 11-50 | Altamonte Springs, FL, United States | 11-50 | Exact match | 99 contacts → |
“North American Substation Services is an electrical/electronic manufacturing company based out of 445 Douglas Ave, Altamonte Springs, Florida, United States.” Recorded description excerpt · October 14, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 13 | Hampton Tedder Electrichamptontedder.com HQ: Montclair, CA, United StatesReported employees: 201-500 | Montclair, CA, United States | 201-500 | Exact match | 94 contacts → |
“With over 60 years of high voltage experience, we are a leader and safety expert in this space.” Recorded description excerpt · October 14, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 14 | Fortune Electricfortune.com.tw HQ: Torrance, CA, United StatesReported employees: 1,001-5,000 | Torrance, CA, United States | 1,001-5,000 | Exact match | 85 contacts → |
“Welcome to Fortune Electric, a world class power transformer and switchgear manufacturer since 1969.” Recorded description excerpt · October 14, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 15 | Hughes Brothershughesbros.com HQ: Seward, NE, United StatesReported employees: 201-500 | Seward, NE, United States | 201-500 | Exact match | 77 contacts → |
“Hughes Brothers stands for quality in American Manufacturing.” Recorded description excerpt · October 14, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 16 |  Royal Switchgearpgc.comHQ: Bessemer, AL, United StatesReported employees: 51-200 | Bessemer, AL, United States | 51-200 | Exact match | 60 contacts → |
“Royal Switchgear, a MacLean Power Systems (MPS) company, is a leading provider of high voltage disconnect switches, hookstick switches, and specialty switchgear solutions.” Recorded description excerpt · October 14, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 17 | 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 14, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 18 | Ritz Instrument Transformers USAritzusa.com HQ: Lavonia, GA, United StatesReported employees: 201-500 | Lavonia, GA, United States | 201-500 | Exact match | 48 contacts → |
“Our mission is to maintain profitability and growth through customer satisfaction, industry leading quality and efficient product development and manufacturing.” Recorded description excerpt · October 14, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 19 | 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 14, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 20 | 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 14, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 21 | Meramec Instrument Transformer COmeramecusa.com HQ: Cuba, MO, United StatesReported employees: 51-200 | Cuba, MO, United States | 51-200 | Exact match | 40 contacts → |
“Meramec Instrument Transformer Company is the preeminent manufacturer of bushing current transformers for the high-voltage circuit breaker and large power transformer markets.” Recorded description excerpt · October 14, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 22 | Switchgear Solutions, INCswitchgearsolutions.com HQ: Tucson, AZ, United StatesReported employees: 51-200 | Tucson, AZ, United States | 51-200 | Exact match | 37 contacts → |
“Switchgear Solutions, An IPS Company offers a wide variety of field, shop and engineering services for power distribution and control equipment, including manufacturing new…” Recorded description excerpt · October 14, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 23 | 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 14, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 24 | Metrotek Electrical Services Companymetroelectrical.com HQ: Easton, PA, United StatesReported employees: 51-200 | Easton, PA, United States | 51-200 | Exact match | 35 contacts → |
“Metrotek designs, constructs, tests and maintains the electrical infrastructure that powers America’s economy.” Recorded description excerpt · October 14, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 25 | Sunbelt Transformersunbeltusa.com HQ: Temple, TX, United StatesReported employees: 51-200 | Temple, TX, United States | 51-200 | Exact match | 32 contacts → |
“Sunbelt Transformer is one of the world’s largest providers of new and reconditioned transformers and electrical equipment for commercial and industrial markets worldwide.” Recorded description excerpt · October 14, 2026Open company data in RevenueBase ↗Free signup required. | |||||
Showing 25 of 187 company matches
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High voltage equipment manufacturers: dataset insights
October 14, 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
187 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 187 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 14, 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 equipment manufacturers?
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 equipment manufacturers did RevenueBase find based in the United States?
The saved snapshot records 187 matching company records, 7,616 tracked contacts and 2,544 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 14, 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 equipment manufacturers by geography
- High voltage equipment manufacturers based in Vadodara, India
- High voltage equipment manufacturers based in Australia
- High voltage equipment manufacturers based in Brazil
- High voltage equipment manufacturers based in Canada
- High voltage equipment manufacturers based in France
- High voltage equipment manufacturers based in Germany
- High voltage equipment manufacturers based in India
- High voltage equipment manufacturers based in Italy
- High voltage equipment manufacturers based in Poland
- High voltage equipment manufacturers based in Türkiye
- High voltage equipment manufacturers based in the United Kingdom
Cite this list
RevenueBase Data Team. Top 25 high voltage equipment manufacturers based in the United States. Snapshot: October 14, 2026. https://revenuebase.ai/companies/high-voltage-equipment-manufacturers/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 equipment manufacturers based in Vadodara, India
- High voltage equipment manufacturers based in Australia
- High voltage equipment manufacturers based in Brazil
- High voltage equipment manufacturers based in Canada
- High voltage equipment manufacturers based in France
- High voltage equipment manufacturers based in Germany
Company intelligence · public preview
Top 25 high voltage equipment manufacturers based in the United States
RevenueBase records 187 matching company records for high voltage equipment manufacturers based in the United States, with 7,616 tracked contacts and 2,544 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 14, 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 equipment manufacturers 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 | Hubbell Power Systemshubbellpowersystems.com HQ: Columbia, SC, United StatesReported employees: 1,001-5,000 | Columbia, SC, United States | 1,001-5,000 | Exact match | 1,114 contacts → |
“Hubbell Power Systems (HPS) designs and manufactures a wide variety of electric power transmission, distribution, substation, underground, OEM, and communications products used by…” Recorded description excerpt · October 14, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 2 | HQ: Warrendale, PA, United StatesReported employees: 1,001-5,000 | Warrendale, PA, United States | 1,001-5,000 | Exact match | 1,014 contacts → |
“Mitsubishi Electric Power Products, Inc.(MEPPI) is a leading U.S.” Recorded description excerpt · October 14, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 3 | Maclean Power Systemsmacleanpower.com HQ: Fort Mill, SC, United StatesReported employees: 1,001-5,000 | Fort Mill, SC, United States | 1,001-5,000 | Exact match | 937 contacts → |
“MacLean Power Systems (MPS), headquartered in Fort Mill, SC, is LEADING THE WAY™ in delivering innovative, reliable, and resilient solutions for the electric utility…” Recorded description excerpt · October 14, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 4 | 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 14, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 5 | Pennsylvania Transformer Technology LLC PTTpatransformer.com HQ: Canonsburg, PA, United StatesReported employees: 201-500 | Canonsburg, PA, United States | 201-500 | Exact match | 190 contacts → |
“Pennsylvania Transformer Technology LLC (PTT) is a US-owned, industry leading manufacturer of a wide range of sizes and types of power transformers for the investor-owned…” Recorded description excerpt · October 14, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 6 | Southwest Electric COswelectric.com HQ: Oklahoma City, OK, United StatesReported employees: 201-500 | Oklahoma City, OK, United States | 201-500 | Exact match | 151 contacts → |
“In 2025, Southwest Electric Co.” Recorded description excerpt · October 14, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 7 | JST Power Equipmentjstpower.com HQ: Lake Mary, FL, United StatesReported employees: 201-500 | Lake Mary, FL, United States | 201-500 | Exact match | 149 contacts → |
“At JST Power Equipment, we pride ourselves on delivering world-class transformer and electrical equipment solutions.” Recorded description excerpt · October 14, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 8 | Hyosung Hico LTDhyosunghico.com HQ: Memphis, TN, United StatesReported employees: 201-500 | Memphis, TN, United States | 201-500 | Exact match | 130 contacts → |
No recorded description excerpt is available for this public record. | |||||
| 9 | Myers Power Products, INCmyerspowerproducts.com HQ: North Canton, OH, United StatesReported employees: 1,001-5,000 | North Canton, OH, United States | 1,001-5,000 | Exact match | 126 contacts → |
No recorded description excerpt is available for this public record. | |||||
| 10 | Noark Electricna.noark-electric.com HQ: Addison, TX, United StatesReported employees: 10001+ | Addison, TX, United States | 10001+ | Exact match | 113 contacts → |
“NOARK Electric is a global manufacturer and supplier of low, medium and high voltage electrical components for industrial and commercial applications.” Recorded description excerpt · October 14, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 11 | E-T-A Engineering Technologye-t-a.com HQ: Mt. Prospect, IL, United StatesReported employees: 51-200 | Mt. Prospect, IL, United States | 51-200 | Exact match | 113 contacts → |
“E-T-A Engineering Technology is the world’s leading manufacturer of circuit breakers for equipment and is the only resource for all circuit protection technologies: thermal…” Recorded description excerpt · October 14, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 12 | North American Substation Servicesnorthamericansubstationservices.com HQ: Altamonte Springs, FL, United StatesReported employees: 11-50 | Altamonte Springs, FL, United States | 11-50 | Exact match | 99 contacts → |
“North American Substation Services is an electrical/electronic manufacturing company based out of 445 Douglas Ave, Altamonte Springs, Florida, United States.” Recorded description excerpt · October 14, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 13 | Hampton Tedder Electrichamptontedder.com HQ: Montclair, CA, United StatesReported employees: 201-500 | Montclair, CA, United States | 201-500 | Exact match | 94 contacts → |
“With over 60 years of high voltage experience, we are a leader and safety expert in this space.” Recorded description excerpt · October 14, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 14 | Fortune Electricfortune.com.tw HQ: Torrance, CA, United StatesReported employees: 1,001-5,000 | Torrance, CA, United States | 1,001-5,000 | Exact match | 85 contacts → |
“Welcome to Fortune Electric, a world class power transformer and switchgear manufacturer since 1969.” Recorded description excerpt · October 14, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 15 | Hughes Brothershughesbros.com HQ: Seward, NE, United StatesReported employees: 201-500 | Seward, NE, United States | 201-500 | Exact match | 77 contacts → |
“Hughes Brothers stands for quality in American Manufacturing.” Recorded description excerpt · October 14, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 16 | Royal Switchgearpgc.com HQ: Bessemer, AL, United StatesReported employees: 51-200 | Bessemer, AL, United States | 51-200 | Exact match | 60 contacts → |
“Royal Switchgear, a MacLean Power Systems (MPS) company, is a leading provider of high voltage disconnect switches, hookstick switches, and specialty switchgear solutions.” Recorded description excerpt · October 14, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 17 | 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 14, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 18 | Ritz Instrument Transformers USAritzusa.com HQ: Lavonia, GA, United StatesReported employees: 201-500 | Lavonia, GA, United States | 201-500 | Exact match | 48 contacts → |
“Our mission is to maintain profitability and growth through customer satisfaction, industry leading quality and efficient product development and manufacturing.” Recorded description excerpt · October 14, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 19 | 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 14, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 20 | 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 14, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 21 | Meramec Instrument Transformer COmeramecusa.com HQ: Cuba, MO, United StatesReported employees: 51-200 | Cuba, MO, United States | 51-200 | Exact match | 40 contacts → |
“Meramec Instrument Transformer Company is the preeminent manufacturer of bushing current transformers for the high-voltage circuit breaker and large power transformer markets.” Recorded description excerpt · October 14, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 22 | Switchgear Solutions, INCswitchgearsolutions.com HQ: Tucson, AZ, United StatesReported employees: 51-200 | Tucson, AZ, United States | 51-200 | Exact match | 37 contacts → |
“Switchgear Solutions, An IPS Company offers a wide variety of field, shop and engineering services for power distribution and control equipment, including manufacturing new…” Recorded description excerpt · October 14, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 23 | 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 14, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 24 | Metrotek Electrical Services Companymetroelectrical.com HQ: Easton, PA, United StatesReported employees: 51-200 | Easton, PA, United States | 51-200 | Exact match | 35 contacts → |
“Metrotek designs, constructs, tests and maintains the electrical infrastructure that powers America’s economy.” Recorded description excerpt · October 14, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 25 | Sunbelt Transformersunbeltusa.com HQ: Temple, TX, United StatesReported employees: 51-200 | Temple, TX, United States | 51-200 | Exact match | 32 contacts → |
“Sunbelt Transformer is one of the world’s largest providers of new and reconditioned transformers and electrical equipment for commercial and industrial markets worldwide.” Recorded description excerpt · October 14, 2026Open company data in RevenueBase ↗Free signup required. | |||||
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High voltage equipment manufacturers: dataset insights
October 14, 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
187 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 187 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 14, 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 equipment manufacturers?
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 equipment manufacturers did RevenueBase find based in the United States?
The saved snapshot records 187 matching company records, 7,616 tracked contacts and 2,544 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 14, 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 equipment manufacturers by geography
- High voltage equipment manufacturers based in Vadodara, India
- High voltage equipment manufacturers based in Australia
- High voltage equipment manufacturers based in Brazil
- High voltage equipment manufacturers based in Canada
- High voltage equipment manufacturers based in France
- High voltage equipment manufacturers based in Germany
- High voltage equipment manufacturers based in India
- High voltage equipment manufacturers based in Italy
- High voltage equipment manufacturers based in Poland
- High voltage equipment manufacturers based in Türkiye
- High voltage equipment manufacturers based in the United Kingdom
Cite this list
RevenueBase Data Team. Top 25 high voltage equipment manufacturers based in the United States. Snapshot: October 14, 2026. https://revenuebase.ai/companies/high-voltage-equipment-manufacturers/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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