Company lists · Data refreshed October 2026
Top 20 400 hertz transformers suppliers based in the United States
RevenueBase identified 37 company matches for 400 hertz transformers suppliers associated with the United States as of October 2026 and tracks 1,542 professional contacts across them, including 512 with verified work emails. Addison is the largest hub.
This list covers company matches for 400 hertz transformers 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 21, 2026.
Published by RevenueBase, a B2B data infrastructure company. This list was built with RevenueBase SmartSearch, the natural-language company search RevenueBase customers use to build their own targeted lists and unlock verified emails and direct dials at the companies on them. How these lists are built and judged.
The 20 largest 400 hertz transformers suppliers based in the United States
Ranked by team size| # | Company | Contacts | |||
|---|---|---|---|---|---|
| 1 | 286 contacts → | ||||
Exact match “Maddox serves the commercial, industrial, utility, and renewables segments of the transformer market.” Recorded in the RevenueBase company graph · Oct 21, 2026 · View company records in RevenueBase | |||||
| 2 | 177 contacts → | ||||
Exact match “NWL Inc.” Recorded in the RevenueBase company graph · Oct 21, 2026 · View company records in RevenueBase | |||||
| 3 | 147 contacts → | ||||
Exact match “MGM Transformers is now part of Forgent Power Solutions.” Recorded in the RevenueBase company graph · Oct 21, 2026 · View company records in RevenueBase | |||||
| 4 | 134 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 21, 2026 · View company records in RevenueBase | |||||
| 5 | 99 contacts → | ||||
Exact match “RoMan Manufacturing was founded in 1980 in Grand Rapids, Michigan, and specializes in small, lightweight Water-Cooled AC Transformers, DC Power Supplies, MFDC (Medium-Frequency)…” Recorded in the RevenueBase company graph · Oct 21, 2026 · View company records in RevenueBase | |||||
| 6 | 91 contacts → | ||||
Exact match “Skurka Aerospace, Inc (SAI) is an ISO 9001/AS 9100 certified and world-renowned high-quality designer, developer, and manufacturer of electro-magnetic equipment, specializing in…” Recorded in the RevenueBase company graph · Oct 21, 2026 · View company records in RevenueBase | |||||
| 7 | 83 contacts → | ||||
Exact match “Welcome to Fortune Electric, a world class power transformer and switchgear manufacturer since 1969.” Recorded in the RevenueBase company graph · Oct 21, 2026 · View company records in RevenueBase | |||||
| 8 | 51 contacts → | ||||
Exact match “75 Years of Engineering Excellence in the Delivered Worldwide Olsun Electrics is the industry’s most trusted partner for custom dry-type transformers.” Recorded in the RevenueBase company graph · Oct 21, 2026 · View company records in RevenueBase | |||||
| 9 | 37 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 21, 2026 · View company records in RevenueBase | |||||
| 10 | 31 contacts → | ||||
Exact match “For over 40 years, Micron has been the supplier of choice for original equipment manufacturers and control system builders around the world.” Recorded in the RevenueBase company graph · Oct 21, 2026 · View company records in RevenueBase | |||||
| 11 | 31 contacts → | ||||
Exact match “Vanguard Electronics has been an industry leader for over 60 years in the design and manufacture of inductors and transformers.” Recorded in the RevenueBase company graph · Oct 21, 2026 · View company records in RevenueBase | |||||
| 12 | 31 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 21, 2026 · View company records in RevenueBase | |||||
| 13 | 26 contacts → | ||||
Exact match “With nearly 40 years experience, AQ Transformer Solutions Inc.(AQTS) is the leading supplier of custom-built power magnetics components, such as transformers, reactors and filters.” Recorded in the RevenueBase company graph · Oct 21, 2026 · View company records in RevenueBase | |||||
| 14 | 19 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 21, 2026 · View company records in RevenueBase | |||||
| 15 | 12 contacts → | ||||
Exact match Recorded description not available. Recorded in the RevenueBase company graph · Oct 21, 2026 · View company records in RevenueBase | |||||
| 16 | 10 contacts → | ||||
Exact match Recorded description not available. Recorded in the RevenueBase company graph · Oct 21, 2026 · View company records in RevenueBase | |||||
| 17 | 7 contacts → | ||||
Exact match Recorded description not available. Recorded in the RevenueBase company graph · Oct 21, 2026 · View company records in RevenueBase | |||||
| 18 | 6 contacts → | ||||
Exact match “Coast Magnetics is an electrical/electronic manufacturing company based out of W Washington Blvd, Los Angeles, California, United States.” Recorded in the RevenueBase company graph · Oct 21, 2026 · View company records in RevenueBase | |||||
| 19 | 4 contacts → | ||||
Exact match “Silicon Valley Breaker & Control Inc- powerful electrical wholesaler / supplier of Transformers, Circuit Breakers, Controls, Transformers, Bus Duct & Plugs.” Recorded in the RevenueBase company graph · Oct 21, 2026 · View company records in RevenueBase | |||||
| 20 | 2 contacts → | ||||
Exact match “Shape LLC is a leading designer and manufacturer of custom electrical transformers.” Recorded in the RevenueBase company graph · Oct 21, 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 “400 hertz transformers suppliers”. Each Exact match badge shows membership in that saved search; it is not an individual similarity score or a service-quality rating. Recorded descriptions are shown where available.
Showing 20 of 37 400 hertz transformers suppliers based in the United States
See the full list, filter by size, metro and specialty, and access 512 tracked professional contacts with verified work emails. Direct dials are available where recorded.
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400 hertz transformers suppliers based in the United States at a glance
As of Oct 21, 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 37 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 “400 hertz transformers 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 512 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 21, 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 “400 hertz transformers suppliers”; each Exact match badge shows search membership, not an individual similarity or quality score.
How many 400 hertz transformers suppliers are there based in the United States?
RevenueBase identified 37 company matches for 400 hertz transformers 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?
Maddox Industrial Transformer tops the displayed preview by professional contacts tracked in RevenueBase. Recorded headquarters appear in the company rows.
Which city has the most 400 hertz transformers suppliers?
Addison leads with 1 company records, followed by Alpha (1) and Bordentown (1).
How do I get contact information for these companies?
A free RevenueBase account lets you run this exact search and work limited free results with 500 credits to start. Upgrading provides access to the 512 professional contacts with verified work emails tracked across these 37 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 21, 2026.
Ready to reach these companies? Verified emails and direct dials for all 37 400 hertz transformers suppliers based in the United States. Start with a free account, no credit card.
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400 hertz transformers suppliers by geography
About this data
RevenueBase is a B2B data infrastructure company. Its company graph covers 60 million companies and 398.9 million professional contacts, with emails verified on a rolling cadence rather than scraped once and left to decay. These company lists are generated directly from that graph with RevenueBase SmartSearch, the same natural-language company search every RevenueBase user has: describe a market in plain words, get the companies that match, and add verified emails and direct dials for the people at them. It is the same data that powers RevenueBase's B2B data products, and a free account includes 500 credits to start. How these lists are built and judged.
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Company intelligence · public preview
Top 20 400 hertz transformers 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 37 matching company records for 400 hertz transformers suppliers based in the United States, with 1,542 tracked contacts and 512 verified work emails.
This public preview shows 20 selected records ordered by tracked contacts. RevenueBase SmartSearch finds company descriptions that match by meaning at Exact. Snapshot: October 21, 2026.
RevenueBase compiles business descriptions for niche-company discovery; each row shows a recorded excerpt where available. Adapt this search to find the companies and contacts you want.
Top 20 400 hertz transformers 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 | Maddox Industrial Transformermaddox.com HQ: Greer, SC, United StatesReported employees: 201-500 | Greer, SC, United States | 201-500 | Exact match | 286 contacts → |
“Maddox serves the commercial, industrial, utility, and renewables segments of the transformer market.” Recorded description excerpt · October 21, 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 | 177 contacts → |
“NWL Inc.” Recorded description excerpt · October 21, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 3 | MGM Transformersmgmtransformer.com HQ: Vernon, CA, United StatesReported employees: 201-500 | Vernon, CA, United States | 201-500 | Exact match | 147 contacts → |
“MGM Transformers is now part of Forgent Power Solutions.” Recorded description excerpt · October 21, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 4 | JST Power Equipmentjstpower.com HQ: Lake Mary, FL, United StatesReported employees: 201-500 | Lake Mary, FL, United States | 201-500 | Exact match | 134 contacts → |
“At JST Power Equipment, we pride ourselves on delivering world-class transformer and electrical equipment solutions.” Recorded description excerpt · October 21, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 5 | Roman Manufacturingromanmfg.com HQ: Grand Rapids, MI, United StatesReported employees: 201-500 | Grand Rapids, MI, United States | 201-500 | Exact match | 99 contacts → |
“RoMan Manufacturing was founded in 1980 in Grand Rapids, Michigan, and specializes in small, lightweight Water-Cooled AC Transformers, DC Power Supplies, MFDC (Medium-Frequency)…” Recorded description excerpt · October 21, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 6 | Skurka Aerospaceskurka-aero.com HQ: Camarillo, CA, United StatesReported employees: 51-200 | Camarillo, CA, United States | 51-200 | Exact match | 91 contacts → |
“Skurka Aerospace, Inc (SAI) is an ISO 9001/AS 9100 certified and world-renowned high-quality designer, developer, and manufacturer of electro-magnetic equipment, specializing in…” Recorded description excerpt · October 21, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 7 | Fortune Electricfortune.com.tw HQ: Torrance, CA, United StatesReported employees: 1,001-5,000 | Torrance, CA, United States | 1,001-5,000 | Exact match | 83 contacts → |
“Welcome to Fortune Electric, a world class power transformer and switchgear manufacturer since 1969.” Recorded description excerpt · October 21, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 8 | Olsun Electrics Corporationolsun.com HQ: Richmond, IL, United StatesReported employees: 51-200 | Richmond, IL, United States | 51-200 | Exact match | 51 contacts → |
“75 Years of Engineering Excellence in the Delivered Worldwide Olsun Electrics is the industry’s most trusted partner for custom dry-type transformers.” Recorded description excerpt · October 21, 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 | 37 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 21, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 10 | Micron Industries Corporationmicronpower.com HQ: Sterling, IL, United StatesReported employees: 51-200 | Sterling, IL, United States | 51-200 | Exact match | 31 contacts → |
“For over 40 years, Micron has been the supplier of choice for original equipment manufacturers and control system builders around the world.” Recorded description excerpt · October 21, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 11 | Vanguard Electronicsve1.com HQ: Huntington Beach, CA, United StatesReported employees: 201-500 | Huntington Beach, CA, United States | 201-500 | Exact match | 31 contacts → |
“Vanguard Electronics has been an industry leader for over 60 years in the design and manufacture of inductors and transformers.” Recorded description excerpt · October 21, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 12 | Sunbelt Transformersunbeltusa.com HQ: Temple, TX, United StatesReported employees: 51-200 | Temple, TX, United States | 51-200 | Exact match | 31 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 21, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 13 |  AQ Transformer Solutions INCaqgroup.comHQ: Wytheville, VA, United StatesReported employees: 51-200 | Wytheville, VA, United States | 51-200 | Exact match | 26 contacts → |
“With nearly 40 years experience, AQ Transformer Solutions Inc.(AQTS) is the leading supplier of custom-built power magnetics components, such as transformers, reactors and filters.” Recorded description excerpt · October 21, 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 | 19 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 21, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 15 | Design Criteria, INCdesigncriteria.com HQ: Roy, UT, United StatesReported employees: 1-10 | Roy, UT, United States | 1-10 | Exact match | 12 contacts → |
No recorded description excerpt is available for this public record. | |||||
| 16 | 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. | |||||
| 17 | PA Transformer Techpatransformer.com HQ: Orlando, FL, United StatesReported employees: 1-10 | Orlando, FL, United States | 1-10 | Exact match | 7 contacts → |
No recorded description excerpt is available for this public record. | |||||
| 18 | Coast Magneticscoastmagnetics.com HQ: Los Angeles, CA, United StatesReported employees: 11-50 | Los Angeles, CA, United States | 11-50 | Exact match | 6 contacts → |
“Coast Magnetics is an electrical/electronic manufacturing company based out of W Washington Blvd, Los Angeles, California, United States.” Recorded description excerpt · October 21, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 19 | Silicon Valley Breaker & Control INCsvbcinc.com HQ: San Jose, CA, United StatesReported employees: 201-500 | San Jose, CA, United States | 201-500 | Exact match | 4 contacts → |
“Silicon Valley Breaker & Control Inc- powerful electrical wholesaler / supplier of Transformers, Circuit Breakers, Controls, Transformers, Bus Duct & Plugs.” Recorded description excerpt · October 21, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 20 | Shape LLCshapellc.com HQ: Addison, IL, United StatesReported employees: 11-50 | Addison, IL, United States | 11-50 | Exact match | 2 contacts → |
“Shape LLC is a leading designer and manufacturer of custom electrical transformers.” Recorded description excerpt · October 21, 2026Open company data in RevenueBase ↗Free signup required. | |||||
Showing 20 of 37 company matches
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400 hertz transformers suppliers: dataset insights
October 21, 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
37 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 37 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 21, 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 400 hertz transformers 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 400 hertz transformers suppliers did RevenueBase find based in the United States?
The saved snapshot records 37 matching company records, 1,542 tracked contacts and 512 verified emails. The public preview displays 20 selected records.
Where do the company descriptions come from?
RevenueBase compiles company information from public sources, including company websites and public professional profiles such as LinkedIn, alongside information supplied by companies. The short recorded excerpt shown here is separate from the complete business description used for matching; individual source URLs and collection dates are not provided in this public snapshot.
How are the public companies ordered?
The selected public records are ordered by contacts tracked in RevenueBase, highest first. Contact coverage is a prospecting measure, not an assessment of the company's services or quality.
How can I get contact information?
Select a company's contact count to open its filtered contacts in RevenueBase. Free signup is required and includes 500 credits and limited free results. Verified emails, direct dials and mobile numbers depend on available coverage.
How current is this list?
Snapshot: October 21, 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
400 hertz transformers suppliers by geography
Cite this list
RevenueBase Data Team. Top 20 400 hertz transformers suppliers based in the United States. Snapshot: October 21, 2026. https://revenuebase.ai/companies/400-hertz-transformers-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
- 400 hertz transformers suppliers based in India
- AI companies based in the United States
- Cybersecurity companies based in the United States
- Manufacturing companies based in the United States
- Media companies based in the United States
- Oil and gas companies based in the United States
Company intelligence · public preview
Top 20 400 hertz transformers suppliers based in the United States
RevenueBase records 37 matching company records for 400 hertz transformers suppliers based in the United States, with 1,542 tracked contacts and 512 verified work emails.
This public preview shows 20 selected records ordered by tracked contacts. RevenueBase SmartSearch finds company descriptions that match by meaning at Exact. Snapshot: October 21, 2026.
RevenueBase compiles business descriptions for niche-company discovery; each row shows a recorded excerpt where available. Adapt this search to find the companies and contacts you want.
Top 20 400 hertz transformers 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 | Maddox Industrial Transformermaddox.com HQ: Greer, SC, United StatesReported employees: 201-500 | Greer, SC, United States | 201-500 | Exact match | 286 contacts → |
“Maddox serves the commercial, industrial, utility, and renewables segments of the transformer market.” Recorded description excerpt · October 21, 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 | 177 contacts → |
“NWL Inc.” Recorded description excerpt · October 21, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 3 | MGM Transformersmgmtransformer.com HQ: Vernon, CA, United StatesReported employees: 201-500 | Vernon, CA, United States | 201-500 | Exact match | 147 contacts → |
“MGM Transformers is now part of Forgent Power Solutions.” Recorded description excerpt · October 21, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 4 | JST Power Equipmentjstpower.com HQ: Lake Mary, FL, United StatesReported employees: 201-500 | Lake Mary, FL, United States | 201-500 | Exact match | 134 contacts → |
“At JST Power Equipment, we pride ourselves on delivering world-class transformer and electrical equipment solutions.” Recorded description excerpt · October 21, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 5 | Roman Manufacturingromanmfg.com HQ: Grand Rapids, MI, United StatesReported employees: 201-500 | Grand Rapids, MI, United States | 201-500 | Exact match | 99 contacts → |
“RoMan Manufacturing was founded in 1980 in Grand Rapids, Michigan, and specializes in small, lightweight Water-Cooled AC Transformers, DC Power Supplies, MFDC (Medium-Frequency)…” Recorded description excerpt · October 21, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 6 | Skurka Aerospaceskurka-aero.com HQ: Camarillo, CA, United StatesReported employees: 51-200 | Camarillo, CA, United States | 51-200 | Exact match | 91 contacts → |
“Skurka Aerospace, Inc (SAI) is an ISO 9001/AS 9100 certified and world-renowned high-quality designer, developer, and manufacturer of electro-magnetic equipment, specializing in…” Recorded description excerpt · October 21, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 7 | Fortune Electricfortune.com.tw HQ: Torrance, CA, United StatesReported employees: 1,001-5,000 | Torrance, CA, United States | 1,001-5,000 | Exact match | 83 contacts → |
“Welcome to Fortune Electric, a world class power transformer and switchgear manufacturer since 1969.” Recorded description excerpt · October 21, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 8 | Olsun Electrics Corporationolsun.com HQ: Richmond, IL, United StatesReported employees: 51-200 | Richmond, IL, United States | 51-200 | Exact match | 51 contacts → |
“75 Years of Engineering Excellence in the Delivered Worldwide Olsun Electrics is the industry’s most trusted partner for custom dry-type transformers.” Recorded description excerpt · October 21, 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 | 37 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 21, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 10 | Micron Industries Corporationmicronpower.com HQ: Sterling, IL, United StatesReported employees: 51-200 | Sterling, IL, United States | 51-200 | Exact match | 31 contacts → |
“For over 40 years, Micron has been the supplier of choice for original equipment manufacturers and control system builders around the world.” Recorded description excerpt · October 21, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 11 | Vanguard Electronicsve1.com HQ: Huntington Beach, CA, United StatesReported employees: 201-500 | Huntington Beach, CA, United States | 201-500 | Exact match | 31 contacts → |
“Vanguard Electronics has been an industry leader for over 60 years in the design and manufacture of inductors and transformers.” Recorded description excerpt · October 21, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 12 | Sunbelt Transformersunbeltusa.com HQ: Temple, TX, United StatesReported employees: 51-200 | Temple, TX, United States | 51-200 | Exact match | 31 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 21, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 13 | AQ Transformer Solutions INCaqgroup.com HQ: Wytheville, VA, United StatesReported employees: 51-200 | Wytheville, VA, United States | 51-200 | Exact match | 26 contacts → |
“With nearly 40 years experience, AQ Transformer Solutions Inc.(AQTS) is the leading supplier of custom-built power magnetics components, such as transformers, reactors and filters.” Recorded description excerpt · October 21, 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 | 19 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 21, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 15 | Design Criteria, INCdesigncriteria.com HQ: Roy, UT, United StatesReported employees: 1-10 | Roy, UT, United States | 1-10 | Exact match | 12 contacts → |
No recorded description excerpt is available for this public record. | |||||
| 16 | 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. | |||||
| 17 | PA Transformer Techpatransformer.com HQ: Orlando, FL, United StatesReported employees: 1-10 | Orlando, FL, United States | 1-10 | Exact match | 7 contacts → |
No recorded description excerpt is available for this public record. | |||||
| 18 | Coast Magneticscoastmagnetics.com HQ: Los Angeles, CA, United StatesReported employees: 11-50 | Los Angeles, CA, United States | 11-50 | Exact match | 6 contacts → |
“Coast Magnetics is an electrical/electronic manufacturing company based out of W Washington Blvd, Los Angeles, California, United States.” Recorded description excerpt · October 21, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 19 | Silicon Valley Breaker & Control INCsvbcinc.com HQ: San Jose, CA, United StatesReported employees: 201-500 | San Jose, CA, United States | 201-500 | Exact match | 4 contacts → |
“Silicon Valley Breaker & Control Inc- powerful electrical wholesaler / supplier of Transformers, Circuit Breakers, Controls, Transformers, Bus Duct & Plugs.” Recorded description excerpt · October 21, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 20 | Shape LLCshapellc.com HQ: Addison, IL, United StatesReported employees: 11-50 | Addison, IL, United States | 11-50 | Exact match | 2 contacts → |
“Shape LLC is a leading designer and manufacturer of custom electrical transformers.” Recorded description excerpt · October 21, 2026Open company data in RevenueBase ↗Free signup required. | |||||
Showing 20 of 37 company matches
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400 hertz transformers suppliers: dataset insights
October 21, 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
37 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 37 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 21, 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 400 hertz transformers 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 400 hertz transformers suppliers did RevenueBase find based in the United States?
The saved snapshot records 37 matching company records, 1,542 tracked contacts and 512 verified emails. The public preview displays 20 selected records.
Where do the company descriptions come from?
RevenueBase compiles company information from public sources, including company websites and public professional profiles such as LinkedIn, alongside information supplied by companies. The short recorded excerpt shown here is separate from the complete business description used for matching; individual source URLs and collection dates are not provided in this public snapshot.
How are the public companies ordered?
The selected public records are ordered by contacts tracked in RevenueBase, highest first. Contact coverage is a prospecting measure, not an assessment of the company's services or quality.
How can I get contact information?
Select a company's contact count to open its filtered contacts in RevenueBase. Free signup is required and includes 500 credits and limited free results. Verified emails, direct dials and mobile numbers depend on available coverage.
How current is this list?
Snapshot: October 21, 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
400 hertz transformers suppliers by geography
Cite this list
RevenueBase Data Team. Top 20 400 hertz transformers suppliers based in the United States. Snapshot: October 21, 2026. https://revenuebase.ai/companies/400-hertz-transformers-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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