Company lists · Data refreshed November 2026
Top 25 Unit substation transformers suppliers based in the United States
RevenueBase identified 267 company matches for unit substation transformers suppliers associated with the United States as of November 2026 and tracks 15,303 professional contacts across them, including 5,545 with verified work emails. Houston is the largest hub.
This list covers company matches for unit substation 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 November 3, 2026.
Published by RevenueBase, a B2B data infrastructure company. This list was built with RevenueBase SmartSearch, the natural-language company search RevenueBase customers use to build their own targeted lists and unlock verified emails and direct dials at the companies on them. How these lists are built and judged.
The 25 largest unit substation transformers suppliers based in the United States
Ranked by team size| # | Company | Contacts | |||
|---|---|---|---|---|---|
| 1 | 1,129 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 · Nov 3, 2026 · View company records in RevenueBase | |||||
| 2 | 1,037 contacts → | ||||
Exact match “Mitsubishi Electric Power Products, Inc.(MEPPI) is a leading U.S.” Recorded in the RevenueBase company graph · Nov 3, 2026 · View company records in RevenueBase | |||||
| 3 | 1,023 contacts → | ||||
Exact match “Howard Industries is the leading manufacturer of liquid-filled distribution transformers for the utility and commercial/industrial markets.” Recorded in the RevenueBase company graph · Nov 3, 2026 · View company records in RevenueBase | |||||
| 4 | 611 contacts → | ||||
Exact match “ERMCO (Electric Research and Manufacturing Cooperative, Inc.) is headquartered in Dyersburg, Tennessee.” Recorded in the RevenueBase company graph · Nov 3, 2026 · View company records in RevenueBase | |||||
| 5 | 601 contacts → | ||||
Exact match “Viking Electric was founded in 1964 in St.” Recorded in the RevenueBase company graph · Nov 3, 2026 · View company records in RevenueBase | |||||
| 6 | 575 contacts → | ||||
Exact match “Irby is a leading distributor of Electrical Supplies & Services.” Recorded in the RevenueBase company graph · Nov 3, 2026 · View company records in RevenueBase | |||||
| 7 | 571 contacts → | ||||
Exact match “Wholesale Electric Supply Company of Houston, Inc.” Recorded in the RevenueBase company graph · Nov 3, 2026 · View company records in RevenueBase | |||||
| 8 | 441 contacts → | ||||
Exact match “Our 500+ associates are dedicated to servicing not only your electrical materials needs, but your electronic component, industrial automation, lighting, switchgear requirements…” Recorded in the RevenueBase company graph · Nov 3, 2026 · View company records in RevenueBase | |||||
| 9 | 311 contacts → | ||||
Exact match “Maddox serves the commercial, industrial, utility, and renewables segments of the transformer market.” Recorded in the RevenueBase company graph · Nov 3, 2026 · View company records in RevenueBase | |||||
| 10 | 219 contacts → | ||||
Exact match “SDMyers is the industry leader in transformer and substation maintenance and electric power system reliability.” Recorded in the RevenueBase company graph · Nov 3, 2026 · View company records in RevenueBase | |||||
| 11 | 205 contacts → | ||||
Exact match Recorded description not available. Recorded in the RevenueBase company graph · Nov 3, 2026 · View company records in RevenueBase | |||||
| 12 | 192 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 · Nov 3, 2026 · View company records in RevenueBase | |||||
| 13 | 175 contacts → | ||||
Exact match “For over 100 years, SAI (Switchboard Apparatus, Inc.) has supplied innovative and reliable equipment for electrical power distribution.” Recorded in the RevenueBase company graph · Nov 3, 2026 · View company records in RevenueBase | |||||
| 14 | 172 contacts → | ||||
Exact match “Power Partners is a leading manufacturer of distribution transformers in North America.” Recorded in the RevenueBase company graph · Nov 3, 2026 · View company records in RevenueBase | |||||
| 15 | 170 contacts → | ||||
Exact match “Stoneway Electric Supply Company was founded in 1974 at the original location in Seattle Washington on Stone Way.” Recorded in the RevenueBase company graph · Nov 3, 2026 · View company records in RevenueBase | |||||
| 16 | 165 contacts → | ||||
Exact match “Solomon Corporation buys, sells, repairs, recycles, and disposes of transformers, regulators and reclosers.” Recorded in the RevenueBase company graph · Nov 3, 2026 · View company records in RevenueBase | |||||
| 17 | 158 contacts → | ||||
Exact match “In 2025, Southwest Electric Co.” Recorded in the RevenueBase company graph · Nov 3, 2026 · View company records in RevenueBase | |||||
| 18 | 154 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 · Nov 3, 2026 · View company records in RevenueBase | |||||
| 19 | 133 contacts → | ||||
Exact match Recorded description not available. Recorded in the RevenueBase company graph · Nov 3, 2026 · View company records in RevenueBase | |||||
| 20 | 131 contacts → | ||||
Exact match “MGM Transformers is now part of Forgent Power Solutions.” Recorded in the RevenueBase company graph · Nov 3, 2026 · View company records in RevenueBase | |||||
| 21 | 129 contacts → | ||||
Exact match “Rumsey was acquired by The Kendall Group in April 2021 and is now operating as Kendall Electric.” Recorded in the RevenueBase company graph · Nov 3, 2026 · View company records in RevenueBase | |||||
| 22 | 128 contacts → | ||||
Exact match “Malloy has established itself as a cornerstone in the electrical and power transmission industry through its consistent growth, adaptability, and commitment to quality and…” Recorded in the RevenueBase company graph · Nov 3, 2026 · View company records in RevenueBase | |||||
| 23 | 109 contacts → | ||||
Exact match “Founded in 1967, Beckwith Electric, a member of the Hubbell group of companies, is a premier provider of innovative, high-quality products, technical services, and industrial…” Recorded in the RevenueBase company graph · Nov 3, 2026 · View company records in RevenueBase | |||||
| 24 | 107 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 · Nov 3, 2026 · View company records in RevenueBase | |||||
| 25 | 97 contacts → | ||||
Exact match “Welcome to Fortune Electric, a world class power transformer and switchgear manufacturer since 1969.” Recorded in the RevenueBase company graph · Nov 3, 2026 · View company records in RevenueBase | |||||
RevenueBase SmartSearch
Describe a niche business in your own words. RevenueBase SmartSearch compares the meaning of your description with company business descriptions compiled in the RevenueBase company graph. Exact, Similar, Related and Broad control how closely companies must fit.
This list uses Exact for “unit substation 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 25 of 267 unit substation transformers suppliers based in the United States
See the full list, filter by size, metro and specialty, and access 5,545 tracked professional contacts with verified work emails. Direct dials are available where recorded.
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Unit substation transformers suppliers based in the United States at a glance
As of Nov 3, 2026Companies by employee count
Email recency for this list is measured worldwide rather than for United States, so it is reported there. Company counts and contact totals on this page are exact for United States, over 267 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 “unit substation 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 5,545 professional contacts with verified work emails across the full matched dataset. Contacts re-verify on a rolling cadence, and each contact's own verification date is shown inside RevenueBase.
- Refresh
- This page's figures were pulled from the company graph on November 3, 2026. Lists refresh periodically as the graph is re-checked.
- Record context
- Company records and descriptions can change. Check the company's website for its current services and locations.
Frequently asked
What is RevenueBase SmartSearch?
RevenueBase SmartSearch finds niche companies by the meaning of their business descriptions in the RevenueBase company graph. Exact, Similar, Related and Broad control how closely companies must fit your description. This list uses Exact for “unit substation transformers suppliers”; each Exact match badge shows search membership, not an individual similarity or quality score.
How many unit substation transformers suppliers are there based in the United States?
RevenueBase identified 267 company matches for unit substation transformers suppliers associated with the United States as of November 2026, using the meaning of business descriptions at Exact. This is the recorded matched set in the RevenueBase company graph.
What is the largest company on this list?
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 unit substation transformers suppliers?
Houston leads with 15 company records, followed by Canton (4) and Altamonte Springs (3).
How do I get contact information for these companies?
A free RevenueBase account lets you run this exact search and work limited free results with 500 credits to start. Upgrading provides access to the 5,545 professional contacts with verified work emails tracked across these 267 companies; direct dials are available where recorded.
How current is this list?
The list refreshes periodically as the company graph is re-checked. This page's figures were pulled on November 3, 2026.
Ready to reach these companies? Verified emails and direct dials for all 267 unit substation transformers suppliers based in the United States. Start with a free account, no credit card.
Download this list →Related lists
Unit substation transformers suppliers by geography
- Unit substation transformers suppliers based in Brazil
- Unit substation transformers suppliers based in Canada
- Unit substation transformers suppliers based in India
- Unit substation transformers suppliers based in Italy
- Unit substation transformers suppliers based in Türkiye
- Unit substation transformers suppliers 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
- Unit substation transformers suppliers based in Brazil
- Unit substation transformers suppliers based in Canada
- Unit substation transformers suppliers based in India
- Unit substation transformers suppliers based in Italy
- Unit substation transformers suppliers based in Türkiye
- Unit substation transformers suppliers based in the United Kingdom
Company intelligence · public preview
Top 25 unit substation 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 267 matching company records for unit substation transformers suppliers based in the United States, with 15,303 tracked contacts and 5,545 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: November 3, 2026.
RevenueBase compiles business descriptions for niche-company discovery; each row shows a recorded excerpt where available. Adapt this search to find the companies and contacts you want.
Top 25 unit substation 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 |  Hubbell Power Systemshubbellpowersystems.comHQ: Columbia, SC, United StatesReported employees: 1,001-5,000 | Columbia, SC, United States | 1,001-5,000 | Exact match | 1,129 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 · November 3, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 2 | HQ: Warrendale, FL, United StatesReported employees: 1,001-5,000 | Warrendale, FL, United States | 1,001-5,000 | Exact match | 1,037 contacts → |
“Mitsubishi Electric Power Products, Inc.(MEPPI) is a leading U.S.” Recorded description excerpt · November 3, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 3 |  Howard Industrieshoward.comHQ: Ellisville, MS, United StatesReported employees: 1,001-5,000 | Ellisville, MS, United States | 1,001-5,000 | Exact match | 1,023 contacts → |
“Howard Industries is the leading manufacturer of liquid-filled distribution transformers for the utility and commercial/industrial markets.” Recorded description excerpt · November 3, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 4 | Ermco-Eciermco-eci.com HQ: Dyersburg, TN, United StatesReported employees: 1,001-5,000 | Dyersburg, TN, United States | 1,001-5,000 | Exact match | 611 contacts → |
“ERMCO (Electric Research and Manufacturing Cooperative, Inc.) is headquartered in Dyersburg, Tennessee.” Recorded description excerpt · November 3, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 5 | Viking Electricvikingelectric.com HQ: Minneapolis, WI, United StatesReported employees: 501-1,000 | Minneapolis, WI, United States | 501-1,000 | Exact match | 601 contacts → |
“Viking Electric was founded in 1964 in St.” Recorded description excerpt · November 3, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 6 | Irby COirby.com HQ: Jackson, TN, United StatesReported employees: 501-1,000 | Jackson, TN, United States | 501-1,000 | Exact match | 575 contacts → |
“Irby is a leading distributor of Electrical Supplies & Services.” Recorded description excerpt · November 3, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 7 | HQ: Houston, LA, United StatesReported employees: 501-1,000 | Houston, LA, United States | 501-1,000 | Exact match | 571 contacts → |
“Wholesale Electric Supply Company of Houston, Inc.” Recorded description excerpt · November 3, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 8 |  Onesource Distributors1sourcedist.comHQ: Oceanside, CA, United StatesReported employees: 501-1,000 | Oceanside, CA, United States | 501-1,000 | Exact match | 441 contacts → |
“Our 500+ associates are dedicated to servicing not only your electrical materials needs, but your electronic component, industrial automation, lighting, switchgear requirements…” Recorded description excerpt · November 3, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 9 | Maddox Industrial Transformermaddox.com HQ: Greer, ID, United StatesReported employees: 201-500 | Greer, ID, United States | 201-500 | Exact match | 311 contacts → |
“Maddox serves the commercial, industrial, utility, and renewables segments of the transformer market.” Recorded description excerpt · November 3, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 10 |  Sdmyerssdmyers.comHQ: Tallmadge, OH, United StatesReported employees: 201-500 | Tallmadge, OH, United States | 201-500 | Exact match | 219 contacts → |
“SDMyers is the industry leader in transformer and substation maintenance and electric power system reliability.” Recorded description excerpt · November 3, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 11 |  Aubrey Silvey Enterprises, INCsilvey.comHQ: Carrollton, GA, United StatesReported employees: 201-500 | Carrollton, GA, United States | 201-500 | Exact match | 205 contacts → |
No recorded description excerpt is available for this public record. | |||||
| 12 | Pennsylvania Transformer Technology LLC PTTpatransformer.com HQ: Canonsburg, NC, United StatesReported employees: 201-500 | Canonsburg, NC, United States | 201-500 | Exact match | 192 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 · November 3, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 13 | SAI Advanced Power Solutions, INCsai-aps.com HQ: Franklin Park, IL, United StatesReported employees: 501-1,000 | Franklin Park, IL, United States | 501-1,000 | Exact match | 175 contacts → |
“For over 100 years, SAI (Switchboard Apparatus, Inc.) has supplied innovative and reliable equipment for electrical power distribution.” Recorded description excerpt · November 3, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 14 | Power Partnerspowerpartners-usa.com HQ: Athens, GA, United StatesReported employees: 1,001-5,000 | Athens, GA, United States | 1,001-5,000 | Exact match | 172 contacts → |
“Power Partners is a leading manufacturer of distribution transformers in North America.” Recorded description excerpt · November 3, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 15 | Stoneway Electric Supplystoneway.com HQ: Spokane, WA, United StatesReported employees: 201-500 | Spokane, WA, United States | 201-500 | Exact match | 170 contacts → |
“Stoneway Electric Supply Company was founded in 1974 at the original location in Seattle Washington on Stone Way.” Recorded description excerpt · November 3, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 16 | Solomon Corporationsolomoncorp.com HQ: Solomon, TN, United StatesReported employees: 501-1,000 | Solomon, TN, United States | 501-1,000 | Exact match | 165 contacts → |
“Solomon Corporation buys, sells, repairs, recycles, and disposes of transformers, regulators and reclosers.” Recorded description excerpt · November 3, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 17 | Southwest Electric COswelectric.com HQ: Oklahoma City, TN, United StatesReported employees: 201-500 | Oklahoma City, TN, United States | 201-500 | Exact match | 158 contacts → |
“In 2025, Southwest Electric Co.” Recorded description excerpt · November 3, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 18 | JST Power Equipmentjstpower.com HQ: Lake Mary, FL, United StatesReported employees: 201-500 | Lake Mary, FL, United States | 201-500 | Exact match | 154 contacts → |
“At JST Power Equipment, we pride ourselves on delivering world-class transformer and electrical equipment solutions.” Recorded description excerpt · November 3, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 19 | Hyosung Hico LTDhyosunghico.com HQ: Memphis, TN, United StatesReported employees: 201-500 | Memphis, TN, United States | 201-500 | Exact match | 133 contacts → |
No recorded description excerpt is available for this public record. | |||||
| 20 | MGM Transformersmgmtransformer.com HQ: Vernon, CA, United StatesReported employees: 201-500 | Vernon, CA, United States | 201-500 | Exact match | 131 contacts → |
“MGM Transformers is now part of Forgent Power Solutions.” Recorded description excerpt · November 3, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 21 |  Rumsey Electric COkendallelectric.comHQ: Conshohocken, PA, United StatesReported employees: 1,001-5,000 | Conshohocken, PA, United States | 1,001-5,000 | Exact match | 129 contacts → |
“Rumsey was acquired by The Kendall Group in April 2021 and is now operating as Kendall Electric.” Recorded description excerpt · November 3, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 22 | Malloy Electricmalloyelectric.com HQ: Sioux Falls, ND, United StatesReported employees: 201-500 | Sioux Falls, ND, United States | 201-500 | Exact match | 128 contacts → |
“Malloy has established itself as a cornerstone in the electrical and power transmission industry through its consistent growth, adaptability, and commitment to quality and…” Recorded description excerpt · November 3, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 23 |  Beckwith Electric Part Of Hubbell Utility Solutionsbeckwithelectric.comHQ: Largo, FL, United StatesReported employees: 51-200 | Largo, FL, United States | 51-200 | Exact match | 109 contacts → |
“Founded in 1967, Beckwith Electric, a member of the Hubbell group of companies, is a premier provider of innovative, high-quality products, technical services, and industrial…” Recorded description excerpt · November 3, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 24 | North American Substation Servicesnorthamericansubstationservices.com HQ: Altamonte Springs, FL, United StatesReported employees: 11-50 | Altamonte Springs, FL, United States | 11-50 | Exact match | 107 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 · November 3, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 25 | Fortune Electricfortune.com.tw HQ: Torrance, PA, United StatesReported employees: 1,001-5,000 | Torrance, PA, United States | 1,001-5,000 | Exact match | 97 contacts → |
“Welcome to Fortune Electric, a world class power transformer and switchgear manufacturer since 1969.” Recorded description excerpt · November 3, 2026Open company data in RevenueBase ↗Free signup required. | |||||
Showing 25 of 267 company matches
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Unit substation transformers suppliers: dataset insights
November 3, 2026These summaries describe recorded coverage in this saved dataset. This page is derived from saved source records; per-contact mobile coverage and email-recency results are not established by this snapshot.
Reported company sizes
267 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 267 companies.
How this company list was built
Describe a niche in your own words: companies installing commercial solar, or manufacturers of sustainable packaging. RevenueBase SmartSearch finds companies whose compiled business descriptions match by meaning. This list is one saved example to adapt.
Where the company descriptions come from
RevenueBase compiles company information from public sources, including company websites and public professional profiles such as LinkedIn, alongside information supplied by companies. The short recorded excerpt shown here is separate from the complete business description used for matching; individual source URLs and collection dates are not provided in this public snapshot.
RevenueBase SmartSearch matching settings
- Exact
- Closest fits to the business described.
- Similar
- Similar businesses with a wider range of fits.
- Related
- Related businesses in and around the category.
- Broad
- A broader set of businesses connected to the description.
RevenueBase SmartSearch · Exact match identifies inclusion in this search's closest semantic matching setting. It is not a per-company confidence score, a literal keyword match, or a quality endorsement.
Selection, ordering and scope
The public list shows selected company records with contact and verified-email coverage. Reported employee bands provide separate company-size context.
This page is derived from saved source records; per-contact mobile coverage and email-recency results are not established by this snapshot.
Recorded company descriptions support research; check company websites for current services. The selected preview is ordered by tracked contacts and is not a list of the best service providers.
Snapshot: November 3, 2026.
RevenueBase is a B2B data infrastructure company. Its September 3, 2026 published methodology describes a graph of 60 million companies and 398.9 million professional contacts; these platform figures differ from this page's totals. Published methodology ↗
Questions about this company list
What does Exact match mean for unit substation 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 unit substation transformers suppliers did RevenueBase find based in the United States?
The saved snapshot records 267 matching company records, 15,303 tracked contacts and 5,545 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: November 3, 2026. Review each company's website for current services and locations. A recorded business description does not establish that every company offers every service named in the search.
What do headquarters and employee bands mean?
These are recorded company-level fields, rather than a map of every branch or a count of specialists. Missing headquarters or employee bands are labeled; older records may show a location separately from recorded headquarters.
Build your next target company list
Adapt this niche search and work with available contacts in RevenueBase.
Related lists
Unit substation transformers suppliers by geography
- Unit substation transformers suppliers based in Brazil
- Unit substation transformers suppliers based in Canada
- Unit substation transformers suppliers based in India
- Unit substation transformers suppliers based in Italy
- Unit substation transformers suppliers based in Türkiye
- Unit substation transformers suppliers based in the United Kingdom
Cite this list
RevenueBase Data Team. Top 25 unit substation transformers suppliers based in the United States. Snapshot: November 3, 2026. https://revenuebase.ai/companies/unit-substation-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
- Unit substation transformers suppliers based in Brazil
- Unit substation transformers suppliers based in Canada
- Unit substation transformers suppliers based in India
- Unit substation transformers suppliers based in Italy
- Unit substation transformers suppliers based in Türkiye
- Unit substation transformers suppliers based in the United Kingdom
Company intelligence · public preview
Top 25 unit substation transformers suppliers based in the United States
RevenueBase records 267 matching company records for unit substation transformers suppliers based in the United States, with 15,303 tracked contacts and 5,545 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: November 3, 2026.
RevenueBase compiles business descriptions for niche-company discovery; each row shows a recorded excerpt where available. Adapt this search to find the companies and contacts you want.
Top 25 unit substation 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 | Hubbell Power Systemshubbellpowersystems.com HQ: Columbia, SC, United StatesReported employees: 1,001-5,000 | Columbia, SC, United States | 1,001-5,000 | Exact match | 1,129 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 · November 3, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 2 | HQ: Warrendale, FL, United StatesReported employees: 1,001-5,000 | Warrendale, FL, United States | 1,001-5,000 | Exact match | 1,037 contacts → |
“Mitsubishi Electric Power Products, Inc.(MEPPI) is a leading U.S.” Recorded description excerpt · November 3, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 3 | Howard Industrieshoward.com HQ: Ellisville, MS, United StatesReported employees: 1,001-5,000 | Ellisville, MS, United States | 1,001-5,000 | Exact match | 1,023 contacts → |
“Howard Industries is the leading manufacturer of liquid-filled distribution transformers for the utility and commercial/industrial markets.” Recorded description excerpt · November 3, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 4 | Ermco-Eciermco-eci.com HQ: Dyersburg, TN, United StatesReported employees: 1,001-5,000 | Dyersburg, TN, United States | 1,001-5,000 | Exact match | 611 contacts → |
“ERMCO (Electric Research and Manufacturing Cooperative, Inc.) is headquartered in Dyersburg, Tennessee.” Recorded description excerpt · November 3, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 5 | Viking Electricvikingelectric.com HQ: Minneapolis, WI, United StatesReported employees: 501-1,000 | Minneapolis, WI, United States | 501-1,000 | Exact match | 601 contacts → |
“Viking Electric was founded in 1964 in St.” Recorded description excerpt · November 3, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 6 | Irby COirby.com HQ: Jackson, TN, United StatesReported employees: 501-1,000 | Jackson, TN, United States | 501-1,000 | Exact match | 575 contacts → |
“Irby is a leading distributor of Electrical Supplies & Services.” Recorded description excerpt · November 3, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 7 | HQ: Houston, LA, United StatesReported employees: 501-1,000 | Houston, LA, United States | 501-1,000 | Exact match | 571 contacts → |
“Wholesale Electric Supply Company of Houston, Inc.” Recorded description excerpt · November 3, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 8 | Onesource Distributors1sourcedist.com HQ: Oceanside, CA, United StatesReported employees: 501-1,000 | Oceanside, CA, United States | 501-1,000 | Exact match | 441 contacts → |
“Our 500+ associates are dedicated to servicing not only your electrical materials needs, but your electronic component, industrial automation, lighting, switchgear requirements…” Recorded description excerpt · November 3, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 9 | Maddox Industrial Transformermaddox.com HQ: Greer, ID, United StatesReported employees: 201-500 | Greer, ID, United States | 201-500 | Exact match | 311 contacts → |
“Maddox serves the commercial, industrial, utility, and renewables segments of the transformer market.” Recorded description excerpt · November 3, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 10 | Sdmyerssdmyers.com HQ: Tallmadge, OH, United StatesReported employees: 201-500 | Tallmadge, OH, United States | 201-500 | Exact match | 219 contacts → |
“SDMyers is the industry leader in transformer and substation maintenance and electric power system reliability.” Recorded description excerpt · November 3, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 11 | Aubrey Silvey Enterprises, INCsilvey.com HQ: Carrollton, GA, United StatesReported employees: 201-500 | Carrollton, GA, United States | 201-500 | Exact match | 205 contacts → |
No recorded description excerpt is available for this public record. | |||||
| 12 | Pennsylvania Transformer Technology LLC PTTpatransformer.com HQ: Canonsburg, NC, United StatesReported employees: 201-500 | Canonsburg, NC, United States | 201-500 | Exact match | 192 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 · November 3, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 13 | SAI Advanced Power Solutions, INCsai-aps.com HQ: Franklin Park, IL, United StatesReported employees: 501-1,000 | Franklin Park, IL, United States | 501-1,000 | Exact match | 175 contacts → |
“For over 100 years, SAI (Switchboard Apparatus, Inc.) has supplied innovative and reliable equipment for electrical power distribution.” Recorded description excerpt · November 3, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 14 | Power Partnerspowerpartners-usa.com HQ: Athens, GA, United StatesReported employees: 1,001-5,000 | Athens, GA, United States | 1,001-5,000 | Exact match | 172 contacts → |
“Power Partners is a leading manufacturer of distribution transformers in North America.” Recorded description excerpt · November 3, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 15 | Stoneway Electric Supplystoneway.com HQ: Spokane, WA, United StatesReported employees: 201-500 | Spokane, WA, United States | 201-500 | Exact match | 170 contacts → |
“Stoneway Electric Supply Company was founded in 1974 at the original location in Seattle Washington on Stone Way.” Recorded description excerpt · November 3, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 16 | Solomon Corporationsolomoncorp.com HQ: Solomon, TN, United StatesReported employees: 501-1,000 | Solomon, TN, United States | 501-1,000 | Exact match | 165 contacts → |
“Solomon Corporation buys, sells, repairs, recycles, and disposes of transformers, regulators and reclosers.” Recorded description excerpt · November 3, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 17 | Southwest Electric COswelectric.com HQ: Oklahoma City, TN, United StatesReported employees: 201-500 | Oklahoma City, TN, United States | 201-500 | Exact match | 158 contacts → |
“In 2025, Southwest Electric Co.” Recorded description excerpt · November 3, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 18 | JST Power Equipmentjstpower.com HQ: Lake Mary, FL, United StatesReported employees: 201-500 | Lake Mary, FL, United States | 201-500 | Exact match | 154 contacts → |
“At JST Power Equipment, we pride ourselves on delivering world-class transformer and electrical equipment solutions.” Recorded description excerpt · November 3, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 19 | Hyosung Hico LTDhyosunghico.com HQ: Memphis, TN, United StatesReported employees: 201-500 | Memphis, TN, United States | 201-500 | Exact match | 133 contacts → |
No recorded description excerpt is available for this public record. | |||||
| 20 | MGM Transformersmgmtransformer.com HQ: Vernon, CA, United StatesReported employees: 201-500 | Vernon, CA, United States | 201-500 | Exact match | 131 contacts → |
“MGM Transformers is now part of Forgent Power Solutions.” Recorded description excerpt · November 3, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 21 | Rumsey Electric COkendallelectric.com HQ: Conshohocken, PA, United StatesReported employees: 1,001-5,000 | Conshohocken, PA, United States | 1,001-5,000 | Exact match | 129 contacts → |
“Rumsey was acquired by The Kendall Group in April 2021 and is now operating as Kendall Electric.” Recorded description excerpt · November 3, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 22 | Malloy Electricmalloyelectric.com HQ: Sioux Falls, ND, United StatesReported employees: 201-500 | Sioux Falls, ND, United States | 201-500 | Exact match | 128 contacts → |
“Malloy has established itself as a cornerstone in the electrical and power transmission industry through its consistent growth, adaptability, and commitment to quality and…” Recorded description excerpt · November 3, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 23 | Beckwith Electric Part Of Hubbell Utility Solutionsbeckwithelectric.com HQ: Largo, FL, United StatesReported employees: 51-200 | Largo, FL, United States | 51-200 | Exact match | 109 contacts → |
“Founded in 1967, Beckwith Electric, a member of the Hubbell group of companies, is a premier provider of innovative, high-quality products, technical services, and industrial…” Recorded description excerpt · November 3, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 24 | North American Substation Servicesnorthamericansubstationservices.com HQ: Altamonte Springs, FL, United StatesReported employees: 11-50 | Altamonte Springs, FL, United States | 11-50 | Exact match | 107 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 · November 3, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 25 | Fortune Electricfortune.com.tw HQ: Torrance, PA, United StatesReported employees: 1,001-5,000 | Torrance, PA, United States | 1,001-5,000 | Exact match | 97 contacts → |
“Welcome to Fortune Electric, a world class power transformer and switchgear manufacturer since 1969.” Recorded description excerpt · November 3, 2026Open company data in RevenueBase ↗Free signup required. | |||||
Showing 25 of 267 company matches
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Unit substation transformers suppliers: dataset insights
November 3, 2026These summaries describe recorded coverage in this saved dataset. This page is derived from saved source records; per-contact mobile coverage and email-recency results are not established by this snapshot.
Reported company sizes
267 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 267 companies.
How this company list was built
Describe a niche in your own words: companies installing commercial solar, or manufacturers of sustainable packaging. RevenueBase SmartSearch finds companies whose compiled business descriptions match by meaning. This list is one saved example to adapt.
Where the company descriptions come from
RevenueBase compiles company information from public sources, including company websites and public professional profiles such as LinkedIn, alongside information supplied by companies. The short recorded excerpt shown here is separate from the complete business description used for matching; individual source URLs and collection dates are not provided in this public snapshot.
RevenueBase SmartSearch matching settings
- Exact
- Closest fits to the business described.
- Similar
- Similar businesses with a wider range of fits.
- Related
- Related businesses in and around the category.
- Broad
- A broader set of businesses connected to the description.
RevenueBase SmartSearch · Exact match identifies inclusion in this search's closest semantic matching setting. It is not a per-company confidence score, a literal keyword match, or a quality endorsement.
Selection, ordering and scope
The public list shows selected company records with contact and verified-email coverage. Reported employee bands provide separate company-size context.
This page is derived from saved source records; per-contact mobile coverage and email-recency results are not established by this snapshot.
Recorded company descriptions support research; check company websites for current services. The selected preview is ordered by tracked contacts and is not a list of the best service providers.
Snapshot: November 3, 2026.
RevenueBase is a B2B data infrastructure company. Its September 3, 2026 published methodology describes a graph of 60 million companies and 398.9 million professional contacts; these platform figures differ from this page's totals. Published methodology ↗
Questions about this company list
What does Exact match mean for unit substation 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 unit substation transformers suppliers did RevenueBase find based in the United States?
The saved snapshot records 267 matching company records, 15,303 tracked contacts and 5,545 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: November 3, 2026. Review each company's website for current services and locations. A recorded business description does not establish that every company offers every service named in the search.
What do headquarters and employee bands mean?
These are recorded company-level fields, rather than a map of every branch or a count of specialists. Missing headquarters or employee bands are labeled; older records may show a location separately from recorded headquarters.
Build your next target company list
Adapt this niche search and work with available contacts in RevenueBase.
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Cite this list
RevenueBase Data Team. Top 25 unit substation transformers suppliers based in the United States. Snapshot: November 3, 2026. https://revenuebase.ai/companies/unit-substation-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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