Company lists · Data refreshed October 2026
Top 25 Circuit breaker tester suppliers based in the United States
RevenueBase identified 100 company matches for circuit breaker tester suppliers associated with the United States as of October 2026 and tracks 3,572 professional contacts across them, including 1,401 with verified work emails. Baton Rouge is the largest hub.
This list covers company matches for circuit breaker tester 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 23, 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 circuit breaker tester suppliers based in the United States
Ranked by team size| # | Company | Contacts | |||
|---|---|---|---|---|---|
| 1 | 1,014 contacts → | ||||
Exact match “Mitsubishi Electric Power Products, Inc.(MEPPI) is a leading U.S.” Recorded in the RevenueBase company graph · Oct 23, 2026 · View company records in RevenueBase | |||||
| 2 | 666 contacts → | ||||
Exact match “Electric Power Systems is an independent electrical testing & engineering organization.” Recorded in the RevenueBase company graph · Oct 23, 2026 · View company records in RevenueBase | |||||
| 3 | 654 contacts → | ||||
Exact match “Doble is the world’s most trusted brand in electrical diagnostics.” Recorded in the RevenueBase company graph · Oct 23, 2026 · View company records in RevenueBase | |||||
| 4 | 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 23, 2026 · View company records in RevenueBase | |||||
| 5 | 62 contacts → | ||||
Exact match “We service, maintain, repair, and upgrade all manufacturers' electrical equipment, including switchgear, circuit breakers, transformers, and starters.” Recorded in the RevenueBase company graph · Oct 23, 2026 · View company records in RevenueBase | |||||
| 6 | 53 contacts → | ||||
Exact match “Welcome to Telex.” Recorded in the RevenueBase company graph · Oct 23, 2026 · View company records in RevenueBase | |||||
| 7 | 53 contacts → | ||||
Exact match “Voltech provides innovative, reliable test equipment for the Power Electronics Industry, specializing in wound component and transformer testing.” Recorded in the RevenueBase company graph · Oct 23, 2026 · View company records in RevenueBase | |||||
| 8 | 51 contacts → | ||||
Exact match “Hipotronics is the world's leading supplier of high electrical test equipment and measurement instruments.” Recorded in the RevenueBase company graph · Oct 23, 2026 · View company records in RevenueBase | |||||
| 9 | 49 contacts → | ||||
Exact match “We rent and support electrical testing equipment.” Recorded in the RevenueBase company graph · Oct 23, 2026 · View company records in RevenueBase | |||||
| 10 | 43 contacts → | ||||
Exact match “Hioki USA Corporation delivers cutting-edge electrical test and measurement solutions that help customers achieve accuracy, efficiency, and innovation in their work.” Recorded in the RevenueBase company graph · Oct 23, 2026 · View company records in RevenueBase | |||||
| 11 | 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 23, 2026 · View company records in RevenueBase | |||||
| 12 | 39 contacts → | ||||
Exact match “EPST is a NETA Certified, Independent Electrical Testing & Engineering Organization.” Recorded in the RevenueBase company graph · Oct 23, 2026 · View company records in RevenueBase | |||||
| 13 | 38 contacts → | ||||
Exact match “At Titan we are dedicated to keeping linemen safe through quality work and excellent customer service.” Recorded in the RevenueBase company graph · Oct 23, 2026 · View company records in RevenueBase | |||||
| 14 | 37 contacts → | ||||
Exact match “AEMC® Instruments manufactures professional electrical test and measurement instruments for the industrial, commercial, and utility marketplace.” Recorded in the RevenueBase company graph · Oct 23, 2026 · View company records in RevenueBase | |||||
| 15 | 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 23, 2026 · View company records in RevenueBase | |||||
| 16 | 34 contacts → | ||||
Exact match “CBS Field Services is bringing together Western Electrical Services (WES) and PowerTech Services (PTS) to form one company to provide engineering services and electrical…” Recorded in the RevenueBase company graph · Oct 23, 2026 · View company records in RevenueBase | |||||
| 17 | 33 contacts → | ||||
Exact match “AEA is the premier value-added innovator in the electrical power distribution industry.” Recorded in the RevenueBase company graph · Oct 23, 2026 · View company records in RevenueBase | |||||
| 18 | 32 contacts → | ||||
Exact match “The Belyea Company stocks one of the largest inventories of remanufactured electrical power equipment in the country.” Recorded in the RevenueBase company graph · Oct 23, 2026 · View company records in RevenueBase | |||||
| 19 | 25 contacts → | ||||
Exact match “Coastal Power Systems is a critical power infrastructure manufacturer and service provider supporting Data Centers, industrial, utility, commercial, and mission-critical…” Recorded in the RevenueBase company graph · Oct 23, 2026 · View company records in RevenueBase | |||||
| 20 | 24 contacts → | ||||
Exact match “We make software to help test electrical apparatus, analyze the data, and generate reports.” Recorded in the RevenueBase company graph · Oct 23, 2026 · View company records in RevenueBase | |||||
| 21 | 21 contacts → | ||||
Exact match “Breakers Unlimited is a leader in providing circuit breakers, fuses, motor control, and accessories to the electrical wholesale and distributor market in the United States.” Recorded in the RevenueBase company graph · Oct 23, 2026 · View company records in RevenueBase | |||||
| 22 | 19 contacts → | ||||
Exact match “CAMCO is an independent testing and repair facility.” Recorded in the RevenueBase company graph · Oct 23, 2026 · View company records in RevenueBase | |||||
| 23 | 16 contacts → | ||||
Exact match “OptiFuse is a manufacturer and marketer of over-current and over-voltage protective devices.” Recorded in the RevenueBase company graph · Oct 23, 2026 · View company records in RevenueBase | |||||
| 24 | 16 contacts → | ||||
Exact match Recorded description not available. Recorded in the RevenueBase company graph · Oct 23, 2026 · View company records in RevenueBase | |||||
| 25 | 16 contacts → | ||||
Exact match “EMA Electromechanics is a MV circuit breaker OEM based out of Sweetwater, Texas - USA.” Recorded in the RevenueBase company graph · Oct 23, 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 “circuit breaker tester 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 100 circuit breaker tester suppliers based in the United States
See the full list, filter by size, metro and specialty, and access 1,401 tracked professional contacts with verified work emails. Direct dials are available where recorded.
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Circuit breaker tester suppliers based in the United States at a glance
As of Oct 23, 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 100 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 “circuit breaker tester 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 1,401 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 23, 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 “circuit breaker tester suppliers”; each Exact match badge shows search membership, not an individual similarity or quality score.
How many circuit breaker tester suppliers are there based in the United States?
RevenueBase identified 100 company matches for circuit breaker tester 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?
Mitsubishi Electric Power Products, INC tops the displayed preview by professional contacts tracked in RevenueBase. Recorded headquarters appear in the company rows.
Which city has the most circuit breaker tester suppliers?
Baton Rouge leads with 2 company records, followed by Birmingham (2) and Concord (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 1,401 professional contacts with verified work emails tracked across these 100 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 23, 2026.
Ready to reach these companies? Verified emails and direct dials for all 100 circuit breaker tester suppliers based in the United States. Start with a free account, no credit card.
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Circuit breaker tester 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.
More company lists
- All company lists
- Lists by location
- Lists A-Z
- New lists
- Circuit breaker tester 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
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Company intelligence · public preview
Top 25 circuit breaker tester 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 100 matching company records for circuit breaker tester suppliers based in the United States, with 3,572 tracked contacts and 1,401 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 23, 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 circuit breaker tester 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 | 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 23, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 2 |  Electric Power Systemsvoltyx.comHQ: Maryland Heights, MO, United StatesReported employees: 501-1,000 | Maryland Heights, MO, United States | 501-1,000 | Exact match | 666 contacts → |
“Electric Power Systems is an independent electrical testing & engineering organization.” Recorded description excerpt · October 23, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 3 |  Doble Engineeringdoble.comHQ: Marlborough, MA, United StatesReported employees: 501-1,000 | Marlborough, MA, United States | 501-1,000 | Exact match | 654 contacts → |
“Doble is the world’s most trusted brand in electrical diagnostics.” Recorded description excerpt · October 23, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 4 | 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 23, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 5 | Southern Power Systemssopower.com HQ: Baton Rouge, LA, United StatesReported employees: 51-200 | Baton Rouge, LA, United States | 51-200 | Exact match | 62 contacts → |
“We service, maintain, repair, and upgrade all manufacturers' electrical equipment, including switchgear, circuit breakers, transformers, and starters.” Recorded description excerpt · October 23, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 6 | Telex LLCtelexllc.com HQ: Fayetteville, AR, United StatesReported employees: 51-200 | Fayetteville, AR, United States | 51-200 | Exact match | 53 contacts → |
“Welcome to Telex.” Recorded description excerpt · October 23, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 7 | Voltech Instrumentsvoltech.com HQ: Fort Myers, FL, United StatesReported employees: 11-50 | Fort Myers, FL, United States | 11-50 | Exact match | 53 contacts → |
“Voltech provides innovative, reliable test equipment for the Power Electronics Industry, specializing in wound component and transformer testing.” Recorded description excerpt · October 23, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 8 |  Hipotronics, INChubbell.comHQ: Reading, PA, United StatesReported employees: 11-50 | Reading, PA, United States | 11-50 | Exact match | 51 contacts → |
“Hipotronics is the world's leading supplier of high electrical test equipment and measurement instruments.” Recorded description excerpt · October 23, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 9 | Intellirentintellirentco.com HQ: Roanoke, TX, United StatesReported employees: 51-200 | Roanoke, TX, United States | 51-200 | Exact match | 49 contacts → |
“We rent and support electrical testing equipment.” Recorded description excerpt · October 23, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 10 |  Hioki USA Corporationhioki.comHQ: Dallas, TX, United StatesReported employees: 11-50 | Dallas, TX, United States | 11-50 | Exact match | 43 contacts → |
“Hioki USA Corporation delivers cutting-edge electrical test and measurement solutions that help customers achieve accuracy, efficiency, and innovation in their work.” Recorded description excerpt · October 23, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 11 | 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 23, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 12 | EPS Technologyeps-technology.com HQ: Durham, CT, United StatesReported employees: 51-200 | Durham, CT, United States | 51-200 | Exact match | 39 contacts → |
“EPST is a NETA Certified, Independent Electrical Testing & Engineering Organization.” Recorded description excerpt · October 23, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 13 | Titan Utility Servicestitanutility.net HQ: Tickfaw, LA, United StatesReported employees: 51-200 | Tickfaw, LA, United States | 51-200 | Exact match | 38 contacts → |
“At Titan we are dedicated to keeping linemen safe through quality work and excellent customer service.” Recorded description excerpt · October 23, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 14 | HQ: Dover, NH, United StatesReported employees: 51-200 | Dover, NH, United States | 51-200 | Exact match | 37 contacts → |
“AEMC® Instruments manufactures professional electrical test and measurement instruments for the industrial, commercial, and utility marketplace.” Recorded description excerpt · October 23, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 15 | 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 23, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 16 | CBS Field Servicescbsfieldservices.com HQ: Phoenix, AZ, United StatesReported employees: 51-200 | Phoenix, AZ, United States | 51-200 | Exact match | 34 contacts → |
“CBS Field Services is bringing together Western Electrical Services (WES) and PowerTech Services (PTS) to form one company to provide engineering services and electrical…” Recorded description excerpt · October 23, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 17 |  Arizona Electrical Apparatus, INCaeacircuitbreakers.comHQ: Tucson, AZ, United StatesReported employees: 51-200 | Tucson, AZ, United States | 51-200 | Exact match | 33 contacts → |
“AEA is the premier value-added innovator in the electrical power distribution industry.” Recorded description excerpt · October 23, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 18 | Belyea Company INCbelyeapower.com HQ: Easton, PA, United StatesReported employees: 11-50 | Easton, PA, United States | 11-50 | Exact match | 32 contacts → |
“The Belyea Company stocks one of the largest inventories of remanufactured electrical power equipment in the country.” Recorded description excerpt · October 23, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 19 | Coastal Power Systemscoastalpowersystems.com HQ: Tomball, TX, United StatesReported employees: 11-50 | Tomball, TX, United States | 11-50 | Exact match | 25 contacts → |
“Coastal Power Systems is a critical power infrastructure manufacturer and service provider supporting Data Centers, industrial, utility, commercial, and mission-critical…” Recorded description excerpt · October 23, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 20 |  Powerdb, INCpowerdb.comHQ: College Station, TX, United StatesReported employees: 11-50 | College Station, TX, United States | 11-50 | Exact match | 24 contacts → |
“We make software to help test electrical apparatus, analyze the data, and generate reports.” Recorded description excerpt · October 23, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 21 | Breakers Unlimited, INCbreakersunlimited.com HQ: Noblesville, IN, United StatesReported employees: 51-200 | Noblesville, IN, United States | 51-200 | Exact match | 21 contacts → |
“Breakers Unlimited is a leader in providing circuit breakers, fuses, motor control, and accessories to the electrical wholesale and distributor market in the United States.” Recorded description excerpt · October 23, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 22 | ARM Camcoarmcamco.net HQ: Ebensburg, PA, United StatesReported employees: 51-200 | Ebensburg, PA, United States | 51-200 | Exact match | 19 contacts → |
“CAMCO is an independent testing and repair facility.” Recorded description excerpt · October 23, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 23 | Optifuseoptifuse.com HQ: El Cajon, CA, United StatesReported employees: 11-50 | El Cajon, CA, United States | 11-50 | Exact match | 16 contacts → |
“OptiFuse is a manufacturer and marketer of over-current and over-voltage protective devices.” Recorded description excerpt · October 23, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 24 | High Voltage, INChvinc.com HQ: Copake, NY, United StatesReported employees: 11-50 | Copake, NY, United States | 11-50 | Exact match | 16 contacts → |
No recorded description excerpt is available for this public record. | |||||
| 25 | EMA Electromechanicsemaelectromechanics.com HQ: Sweetwater, TX, United StatesReported employees: 51-200 | Sweetwater, TX, United States | 51-200 | Exact match | 16 contacts → |
“EMA Electromechanics is a MV circuit breaker OEM based out of Sweetwater, Texas - USA.” Recorded description excerpt · October 23, 2026Open company data in RevenueBase ↗Free signup required. | |||||
Showing 25 of 100 company matches
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Circuit breaker tester suppliers: dataset insights
October 23, 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
100 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 100 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 23, 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 circuit breaker tester 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 circuit breaker tester suppliers did RevenueBase find based in the United States?
The saved snapshot records 100 matching company records, 3,572 tracked contacts and 1,401 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 23, 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
Circuit breaker tester suppliers by geography
Cite this list
RevenueBase Data Team. Top 25 circuit breaker tester suppliers based in the United States. Snapshot: October 23, 2026. https://revenuebase.ai/companies/circuit-breaker-tester-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
- Circuit breaker tester 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 25 circuit breaker tester suppliers based in the United States
RevenueBase records 100 matching company records for circuit breaker tester suppliers based in the United States, with 3,572 tracked contacts and 1,401 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 23, 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 circuit breaker tester 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 | 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 23, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 2 | Electric Power Systemsvoltyx.com HQ: Maryland Heights, MO, United StatesReported employees: 501-1,000 | Maryland Heights, MO, United States | 501-1,000 | Exact match | 666 contacts → |
“Electric Power Systems is an independent electrical testing & engineering organization.” Recorded description excerpt · October 23, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 3 | Doble Engineeringdoble.com HQ: Marlborough, MA, United StatesReported employees: 501-1,000 | Marlborough, MA, United States | 501-1,000 | Exact match | 654 contacts → |
“Doble is the world’s most trusted brand in electrical diagnostics.” Recorded description excerpt · October 23, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 4 | 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 23, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 5 | Southern Power Systemssopower.com HQ: Baton Rouge, LA, United StatesReported employees: 51-200 | Baton Rouge, LA, United States | 51-200 | Exact match | 62 contacts → |
“We service, maintain, repair, and upgrade all manufacturers' electrical equipment, including switchgear, circuit breakers, transformers, and starters.” Recorded description excerpt · October 23, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 6 | Telex LLCtelexllc.com HQ: Fayetteville, AR, United StatesReported employees: 51-200 | Fayetteville, AR, United States | 51-200 | Exact match | 53 contacts → |
“Welcome to Telex.” Recorded description excerpt · October 23, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 7 | Voltech Instrumentsvoltech.com HQ: Fort Myers, FL, United StatesReported employees: 11-50 | Fort Myers, FL, United States | 11-50 | Exact match | 53 contacts → |
“Voltech provides innovative, reliable test equipment for the Power Electronics Industry, specializing in wound component and transformer testing.” Recorded description excerpt · October 23, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 8 | Hipotronics, INChubbell.com HQ: Reading, PA, United StatesReported employees: 11-50 | Reading, PA, United States | 11-50 | Exact match | 51 contacts → |
“Hipotronics is the world's leading supplier of high electrical test equipment and measurement instruments.” Recorded description excerpt · October 23, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 9 | Intellirentintellirentco.com HQ: Roanoke, TX, United StatesReported employees: 51-200 | Roanoke, TX, United States | 51-200 | Exact match | 49 contacts → |
“We rent and support electrical testing equipment.” Recorded description excerpt · October 23, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 10 | Hioki USA Corporationhioki.com HQ: Dallas, TX, United StatesReported employees: 11-50 | Dallas, TX, United States | 11-50 | Exact match | 43 contacts → |
“Hioki USA Corporation delivers cutting-edge electrical test and measurement solutions that help customers achieve accuracy, efficiency, and innovation in their work.” Recorded description excerpt · October 23, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 11 | 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 23, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 12 | EPS Technologyeps-technology.com HQ: Durham, CT, United StatesReported employees: 51-200 | Durham, CT, United States | 51-200 | Exact match | 39 contacts → |
“EPST is a NETA Certified, Independent Electrical Testing & Engineering Organization.” Recorded description excerpt · October 23, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 13 | Titan Utility Servicestitanutility.net HQ: Tickfaw, LA, United StatesReported employees: 51-200 | Tickfaw, LA, United States | 51-200 | Exact match | 38 contacts → |
“At Titan we are dedicated to keeping linemen safe through quality work and excellent customer service.” Recorded description excerpt · October 23, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 14 | HQ: Dover, NH, United StatesReported employees: 51-200 | Dover, NH, United States | 51-200 | Exact match | 37 contacts → |
“AEMC® Instruments manufactures professional electrical test and measurement instruments for the industrial, commercial, and utility marketplace.” Recorded description excerpt · October 23, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 15 | 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 23, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 16 | CBS Field Servicescbsfieldservices.com HQ: Phoenix, AZ, United StatesReported employees: 51-200 | Phoenix, AZ, United States | 51-200 | Exact match | 34 contacts → |
“CBS Field Services is bringing together Western Electrical Services (WES) and PowerTech Services (PTS) to form one company to provide engineering services and electrical…” Recorded description excerpt · October 23, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 17 | Arizona Electrical Apparatus, INCaeacircuitbreakers.com HQ: Tucson, AZ, United StatesReported employees: 51-200 | Tucson, AZ, United States | 51-200 | Exact match | 33 contacts → |
“AEA is the premier value-added innovator in the electrical power distribution industry.” Recorded description excerpt · October 23, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 18 | Belyea Company INCbelyeapower.com HQ: Easton, PA, United StatesReported employees: 11-50 | Easton, PA, United States | 11-50 | Exact match | 32 contacts → |
“The Belyea Company stocks one of the largest inventories of remanufactured electrical power equipment in the country.” Recorded description excerpt · October 23, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 19 | Coastal Power Systemscoastalpowersystems.com HQ: Tomball, TX, United StatesReported employees: 11-50 | Tomball, TX, United States | 11-50 | Exact match | 25 contacts → |
“Coastal Power Systems is a critical power infrastructure manufacturer and service provider supporting Data Centers, industrial, utility, commercial, and mission-critical…” Recorded description excerpt · October 23, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 20 | Powerdb, INCpowerdb.com HQ: College Station, TX, United StatesReported employees: 11-50 | College Station, TX, United States | 11-50 | Exact match | 24 contacts → |
“We make software to help test electrical apparatus, analyze the data, and generate reports.” Recorded description excerpt · October 23, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 21 | Breakers Unlimited, INCbreakersunlimited.com HQ: Noblesville, IN, United StatesReported employees: 51-200 | Noblesville, IN, United States | 51-200 | Exact match | 21 contacts → |
“Breakers Unlimited is a leader in providing circuit breakers, fuses, motor control, and accessories to the electrical wholesale and distributor market in the United States.” Recorded description excerpt · October 23, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 22 | ARM Camcoarmcamco.net HQ: Ebensburg, PA, United StatesReported employees: 51-200 | Ebensburg, PA, United States | 51-200 | Exact match | 19 contacts → |
“CAMCO is an independent testing and repair facility.” Recorded description excerpt · October 23, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 23 | Optifuseoptifuse.com HQ: El Cajon, CA, United StatesReported employees: 11-50 | El Cajon, CA, United States | 11-50 | Exact match | 16 contacts → |
“OptiFuse is a manufacturer and marketer of over-current and over-voltage protective devices.” Recorded description excerpt · October 23, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 24 | High Voltage, INChvinc.com HQ: Copake, NY, United StatesReported employees: 11-50 | Copake, NY, United States | 11-50 | Exact match | 16 contacts → |
No recorded description excerpt is available for this public record. | |||||
| 25 | EMA Electromechanicsemaelectromechanics.com HQ: Sweetwater, TX, United StatesReported employees: 51-200 | Sweetwater, TX, United States | 51-200 | Exact match | 16 contacts → |
“EMA Electromechanics is a MV circuit breaker OEM based out of Sweetwater, Texas - USA.” Recorded description excerpt · October 23, 2026Open company data in RevenueBase ↗Free signup required. | |||||
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Circuit breaker tester suppliers: dataset insights
October 23, 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
100 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 100 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 23, 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 circuit breaker tester 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 circuit breaker tester suppliers did RevenueBase find based in the United States?
The saved snapshot records 100 matching company records, 3,572 tracked contacts and 1,401 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 23, 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
Circuit breaker tester suppliers by geography
Cite this list
RevenueBase Data Team. Top 25 circuit breaker tester suppliers based in the United States. Snapshot: October 23, 2026. https://revenuebase.ai/companies/circuit-breaker-tester-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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