Company lists · Data refreshed October 2026
Top 25 Armature test system suppliers based in the United States
RevenueBase identified 56 company matches for armature test system suppliers associated with the United States as of October 2026 and tracks 2,754 professional contacts across them, including 1,432 with verified work emails. Concord is the largest hub.
This list covers company matches for armature test system 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 22, 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 armature test system suppliers based in the United States
Ranked by team size| # | Company | Contacts | |||
|---|---|---|---|---|---|
| 1 | 1,263 contacts → | ||||
Exact match “Shermco Industries is a provider of safe, reliable testing, repair, professional training, electrical outage planning, maintenance and analysis of rotating apparatus and…” Recorded in the RevenueBase company graph · Oct 22, 2026 · View company records in RevenueBase | |||||
| 2 | 654 contacts → | ||||
Exact match “Doble is the world’s most trusted brand in electrical diagnostics.” Recorded in the RevenueBase company graph · Oct 22, 2026 · View company records in RevenueBase | |||||
| 3 | 116 contacts → | ||||
Exact match “TESCO Metering: The source for meter testing instruments and accessories for over 100 Years.” Recorded in the RevenueBase company graph · Oct 22, 2026 · View company records in RevenueBase | |||||
| 4 | 101 contacts → | ||||
Exact match “For over 25 years, Sentinel-TDS, based in Dallas/Ft.” Recorded in the RevenueBase company graph · Oct 22, 2026 · View company records in RevenueBase | |||||
| 5 | 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 22, 2026 · View company records in RevenueBase | |||||
| 6 | 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 22, 2026 · View company records in RevenueBase | |||||
| 7 | 49 contacts → | ||||
Exact match “We rent and support electrical testing equipment.” Recorded in the RevenueBase company graph · Oct 22, 2026 · View company records in RevenueBase | |||||
| 8 | 40 contacts → | ||||
Exact match “PHENIX Technologies Inc, A Division of Doble Engineering, designs and manufactures a wide range of High Voltage, High Current, and High Power Test Systems and Components.” Recorded in the RevenueBase company graph · Oct 22, 2026 · View company records in RevenueBase | |||||
| 9 | 29 contacts → | ||||
Exact match “POWER TOGETHER.” Recorded in the RevenueBase company graph · Oct 22, 2026 · View company records in RevenueBase | |||||
| 10 | 27 contacts → | ||||
Exact match “Sentinel Power Services, Inc.” Recorded in the RevenueBase company graph · Oct 22, 2026 · View company records in RevenueBase | |||||
| 11 | 23 contacts → | ||||
Exact match “Electrom Instruments designs and manufactures advanced motor and coil testers.” Recorded in the RevenueBase company graph · Oct 22, 2026 · View company records in RevenueBase | |||||
| 12 | 22 contacts → | ||||
Exact match “For 75+ years, IRD® LLC has specialized in highly technical machinery that assists in the repair of industrial equipment.” Recorded in the RevenueBase company graph · Oct 22, 2026 · View company records in RevenueBase | |||||
| 13 | 19 contacts → | ||||
Exact match “CAMCO is an independent testing and repair facility.” Recorded in the RevenueBase company graph · Oct 22, 2026 · View company records in RevenueBase | |||||
| 14 | 16 contacts → | ||||
Exact match “Transformer Services Inc.” Recorded in the RevenueBase company graph · Oct 22, 2026 · View company records in RevenueBase | |||||
| 15 | 15 contacts → | ||||
Exact match “RPI is a manufacturer of test equipment used in the automotive Industry for testing electronic components.” Recorded in the RevenueBase company graph · Oct 22, 2026 · View company records in RevenueBase | |||||
| 16 | 14 contacts → | ||||
Exact match “Ultimate Tool & Safety provides tools, equipment, and services to utility and related industries.” Recorded in the RevenueBase company graph · Oct 22, 2026 · View company records in RevenueBase | |||||
| 17 | 14 contacts → | ||||
Exact match “Electrical testing of Electrical Components” Recorded in the RevenueBase company graph · Oct 22, 2026 · View company records in RevenueBase | |||||
| 18 | 9 contacts → | ||||
Exact match “Byram Laboratories, headquartered in Branchburg, New Jersey, is a world-class distributor, manufacturer, modification center and calibration facility for industrial…” Recorded in the RevenueBase company graph · Oct 22, 2026 · View company records in RevenueBase | |||||
| 19 | 7 contacts → | ||||
Exact match “ProgUSA helps U.S.” Recorded in the RevenueBase company graph · Oct 22, 2026 · View company records in RevenueBase | |||||
| 20 | 6 contacts → | ||||
Exact match Recorded description not available. Recorded in the RevenueBase company graph · Oct 22, 2026 · View company records in RevenueBase | |||||
| 21 | 5 contacts → | ||||
Exact match Recorded description not available. Recorded in the RevenueBase company graph · Oct 22, 2026 · View company records in RevenueBase | |||||
| 22 | 5 contacts → | ||||
Exact match “ASD is an expert in power industry solutions, high voltage and high current testing.” Recorded in the RevenueBase company graph · Oct 22, 2026 · View company records in RevenueBase | |||||
| 23 | 4 contacts → | ||||
Exact match “As a leader in the industry for 50 years, we know how manufacturers struggle to find motor testers that meet their needs and are made to last.” Recorded in the RevenueBase company graph · Oct 22, 2026 · View company records in RevenueBase | |||||
| 24 | 4 contacts → | ||||
Exact match “High Voltage Service/DYMAX Service is a growing testing, repair and engineering company, in the business since 1981, specializing in electrical power solutions.” Recorded in the RevenueBase company graph · Oct 22, 2026 · View company records in RevenueBase | |||||
| 25 | 4 contacts → | ||||
Exact match “I&E Central is an equipment and services provider to Reliability, Electrical and Predictive Maintenance professionals.” Recorded in the RevenueBase company graph · Oct 22, 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 “armature test system 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 56 armature test system suppliers based in the United States
See the full list, filter by size, metro and specialty, and access 1,432 tracked professional contacts with verified work emails. Direct dials are available where recorded.
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Armature test system suppliers based in the United States at a glance
As of Oct 22, 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 56 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 “armature test system 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 1,432 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 22, 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 “armature test system suppliers”; each Exact match badge shows search membership, not an individual similarity or quality score.
How many armature test system suppliers are there based in the United States?
RevenueBase identified 56 company matches for armature test system 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?
Shermco Industries tops the displayed preview by professional contacts tracked in RevenueBase. Recorded headquarters appear in the company rows.
Which city has the most armature test system suppliers?
Concord leads with 2 company records, followed by Racine (2) and Accident (1).
How do I get contact information for these companies?
A free RevenueBase account lets you run this exact search and work limited free results with 500 credits to start. Upgrading provides access to the 1,432 professional contacts with verified work emails tracked across these 56 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 22, 2026.
Ready to reach these companies? Verified emails and direct dials for all 56 armature test system suppliers based in the United States. Start with a free account, no credit card.
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About this data
RevenueBase is a B2B data infrastructure company. Its company graph covers 60 million companies and 398.9 million professional contacts, with emails verified on a rolling cadence rather than scraped once and left to decay. These company lists are generated directly from that graph with RevenueBase SmartSearch, the same natural-language company search every RevenueBase user has: describe a market in plain words, get the companies that match, and add verified emails and direct dials for the people at them. It is the same data that powers RevenueBase's B2B data products, and a free account includes 500 credits to start. How these lists are built and judged.
More company lists
- All company lists
- Lists by location
- Lists A-Z
- New lists
- Armature test system suppliers based in India
- AI companies based in the United States
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- Manufacturing companies based in the United States
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Company intelligence · public preview
Top 25 armature test system 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 56 matching company records for armature test system suppliers based in the United States, with 2,754 tracked contacts and 1,432 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 22, 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 armature test system 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 |  Shermco Industriesshermco.comHQ: Irving, TX, United StatesReported employees: 1,001-5,000 | Irving, TX, United States | 1,001-5,000 | Exact match | 1,263 contacts → |
“Shermco Industries is a provider of safe, reliable testing, repair, professional training, electrical outage planning, maintenance and analysis of rotating apparatus and…” Recorded description excerpt · October 22, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 2 |  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 22, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 3 |  Tesco Meteringtescometering.comHQ: Bristol, PA, United StatesReported employees: 201-500 | Bristol, PA, United States | 201-500 | Exact match | 116 contacts → |
“TESCO Metering: The source for meter testing instruments and accessories for over 100 Years.” Recorded description excerpt · October 22, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 4 | Technical Diagnostic Servicestdssolutions.com HQ: Fort Worth, TX, United StatesReported employees: 201-500 | Fort Worth, TX, United States | 201-500 | Exact match | 101 contacts → |
“For over 25 years, Sentinel-TDS, based in Dallas/Ft.” Recorded description excerpt · October 22, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 5 | 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 22, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 6 |  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 22, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 7 | 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 22, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 8 | Phenix Technologies, A Doble Companyphenixtech.com HQ: Accident, MD, United StatesReported employees: 51-200 | Accident, MD, United States | 51-200 | Exact match | 40 contacts → |
“PHENIX Technologies Inc, A Division of Doble Engineering, designs and manufactures a wide range of High Voltage, High Current, and High Power Test Systems and Components.” Recorded description excerpt · October 22, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 9 | Techpro Power Group INCtechpropowergroup.com HQ: Ft. Worth, TX, United StatesReported employees: 201-500 | Ft. Worth, TX, United States | 201-500 | Exact match | 29 contacts → |
“POWER TOGETHER.” Recorded description excerpt · October 22, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 10 |  Sentinel Power Servicessentinelpowerservices.comHQ: Tulsa, OK, United StatesReported employees: 51-200 | Tulsa, OK, United States | 51-200 | Exact match | 27 contacts → |
“Sentinel Power Services, Inc.” Recorded description excerpt · October 22, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 11 | Electrom Instruments, INCelectrominst.com HQ: Longmont, CO, United StatesReported employees: 11-50 | Longmont, CO, United States | 11-50 | Exact match | 23 contacts → |
“Electrom Instruments designs and manufactures advanced motor and coil testers.” Recorded description excerpt · October 22, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 12 | IRD LLCirdproducts.com HQ: Louisville, KY, United StatesReported employees: 11-50 | Louisville, KY, United States | 11-50 | Exact match | 22 contacts → |
“For 75+ years, IRD® LLC has specialized in highly technical machinery that assists in the repair of industrial equipment.” Recorded description excerpt · October 22, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 13 | 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 22, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 14 | Transformer Service INCtransformer-svc.com HQ: Concord, NH, United StatesReported employees: 11-50 | Concord, NH, United States | 11-50 | Exact match | 16 contacts → |
“Transformer Services Inc.” Recorded description excerpt · October 22, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 15 | RPI INCrpiincorp.com HQ: Racine, WI, United StatesReported employees: 11-50 | Racine, WI, United States | 11-50 | Exact match | 15 contacts → |
“RPI is a manufacturer of test equipment used in the automotive Industry for testing electronic components.” Recorded description excerpt · October 22, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 16 | Ultimate Tool & Safetyultimatetoolandsafety.com HQ: Arlington, TX, United StatesReported employees: 11-50 | Arlington, TX, United States | 11-50 | Exact match | 14 contacts → |
“Ultimate Tool & Safety provides tools, equipment, and services to utility and related industries.” Recorded description excerpt · October 22, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 17 | Veteran Electrical Power Systems, INCvet-eps.com HQ: Los Angeles, CA, United StatesReported employees: 11-50 | Los Angeles, CA, United States | 11-50 | Exact match | 14 contacts → |
“Electrical testing of Electrical Components” Recorded description excerpt · October 22, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 18 | Byram Laboratories, INCbyramlabs.com HQ: Branchburg, NJ, United StatesReported employees: 11-50 | Branchburg, NJ, United States | 11-50 | Exact match | 9 contacts → |
“Byram Laboratories, headquartered in Branchburg, New Jersey, is a world-class distributor, manufacturer, modification center and calibration facility for industrial…” Recorded description excerpt · October 22, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 19 | Progusaprogusa.net HQ: Altamonte Springs, FL, United StatesReported employees: 11-50 | Altamonte Springs, FL, United States | 11-50 | Exact match | 7 contacts → |
“ProgUSA helps U.S.” Recorded description excerpt · October 22, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 20 | Power Plus Engineering, INCepowerplus.com HQ: Novi, MI, United StatesReported employees: 11-50 | Novi, MI, United States | 11-50 | Exact match | 6 contacts → |
No recorded description excerpt is available for this public record. | |||||
| 21 | Bierer & Associates, INCbierermeters.com HQ: Blythewood, SC, United StatesReported employees: 11-50 | Blythewood, SC, United States | 11-50 | Exact match | 5 contacts → |
No recorded description excerpt is available for this public record. | |||||
| 22 | Automation Systems And Diagnostics, INCasdpower.com HQ: Apex, NC, United StatesReported employees: 1-10 | Apex, NC, United States | 1-10 | Exact match | 5 contacts → |
“ASD is an expert in power industry solutions, high voltage and high current testing.” Recorded description excerpt · October 22, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 23 | ESWeswtesters.com HQ: Racine, WI, United StatesReported employees: 11-50 | Racine, WI, United States | 11-50 | Exact match | 4 contacts → |
“As a leader in the industry for 50 years, we know how manufacturers struggle to find motor testers that meet their needs and are made to last.” Recorded description excerpt · October 22, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 24 |  High Voltage Serviceresapower.comHQ: Blaine, MN, United StatesReported employees: 51-200 | Blaine, MN, United States | 51-200 | Exact match | 4 contacts → |
“High Voltage Service/DYMAX Service is a growing testing, repair and engineering company, in the business since 1981, specializing in electrical power solutions.” Recorded description excerpt · October 22, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 25 | I&e Central LLCie-central.com HQ: York, PA, United StatesReported employees: 1-10 | York, PA, United States | 1-10 | Exact match | 4 contacts → |
“I&E Central is an equipment and services provider to Reliability, Electrical and Predictive Maintenance professionals.” Recorded description excerpt · October 22, 2026Open company data in RevenueBase ↗Free signup required. | |||||
Showing 25 of 56 company matches
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Armature test system suppliers: dataset insights
October 22, 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
56 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 56 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 22, 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 armature test system 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 armature test system suppliers did RevenueBase find based in the United States?
The saved snapshot records 56 matching company records, 2,754 tracked contacts and 1,432 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 22, 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
Armature test system suppliers by geography
Cite this list
RevenueBase Data Team. Top 25 armature test system suppliers based in the United States. Snapshot: October 22, 2026. https://revenuebase.ai/companies/armature-test-system-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
- Armature test system 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 armature test system suppliers based in the United States
RevenueBase records 56 matching company records for armature test system suppliers based in the United States, with 2,754 tracked contacts and 1,432 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 22, 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 armature test system 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 | Shermco Industriesshermco.com HQ: Irving, TX, United StatesReported employees: 1,001-5,000 | Irving, TX, United States | 1,001-5,000 | Exact match | 1,263 contacts → |
“Shermco Industries is a provider of safe, reliable testing, repair, professional training, electrical outage planning, maintenance and analysis of rotating apparatus and…” Recorded description excerpt · October 22, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 2 | 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 22, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 3 | Tesco Meteringtescometering.com HQ: Bristol, PA, United StatesReported employees: 201-500 | Bristol, PA, United States | 201-500 | Exact match | 116 contacts → |
“TESCO Metering: The source for meter testing instruments and accessories for over 100 Years.” Recorded description excerpt · October 22, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 4 | Technical Diagnostic Servicestdssolutions.com HQ: Fort Worth, TX, United StatesReported employees: 201-500 | Fort Worth, TX, United States | 201-500 | Exact match | 101 contacts → |
“For over 25 years, Sentinel-TDS, based in Dallas/Ft.” Recorded description excerpt · October 22, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 5 | 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 22, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 6 | 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 22, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 7 | 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 22, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 8 | Phenix Technologies, A Doble Companyphenixtech.com HQ: Accident, MD, United StatesReported employees: 51-200 | Accident, MD, United States | 51-200 | Exact match | 40 contacts → |
“PHENIX Technologies Inc, A Division of Doble Engineering, designs and manufactures a wide range of High Voltage, High Current, and High Power Test Systems and Components.” Recorded description excerpt · October 22, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 9 | Techpro Power Group INCtechpropowergroup.com HQ: Ft. Worth, TX, United StatesReported employees: 201-500 | Ft. Worth, TX, United States | 201-500 | Exact match | 29 contacts → |
“POWER TOGETHER.” Recorded description excerpt · October 22, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 10 | Sentinel Power Servicessentinelpowerservices.com HQ: Tulsa, OK, United StatesReported employees: 51-200 | Tulsa, OK, United States | 51-200 | Exact match | 27 contacts → |
“Sentinel Power Services, Inc.” Recorded description excerpt · October 22, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 11 | Electrom Instruments, INCelectrominst.com HQ: Longmont, CO, United StatesReported employees: 11-50 | Longmont, CO, United States | 11-50 | Exact match | 23 contacts → |
“Electrom Instruments designs and manufactures advanced motor and coil testers.” Recorded description excerpt · October 22, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 12 | IRD LLCirdproducts.com HQ: Louisville, KY, United StatesReported employees: 11-50 | Louisville, KY, United States | 11-50 | Exact match | 22 contacts → |
“For 75+ years, IRD® LLC has specialized in highly technical machinery that assists in the repair of industrial equipment.” Recorded description excerpt · October 22, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 13 | 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 22, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 14 | Transformer Service INCtransformer-svc.com HQ: Concord, NH, United StatesReported employees: 11-50 | Concord, NH, United States | 11-50 | Exact match | 16 contacts → |
“Transformer Services Inc.” Recorded description excerpt · October 22, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 15 | RPI INCrpiincorp.com HQ: Racine, WI, United StatesReported employees: 11-50 | Racine, WI, United States | 11-50 | Exact match | 15 contacts → |
“RPI is a manufacturer of test equipment used in the automotive Industry for testing electronic components.” Recorded description excerpt · October 22, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 16 | Ultimate Tool & Safetyultimatetoolandsafety.com HQ: Arlington, TX, United StatesReported employees: 11-50 | Arlington, TX, United States | 11-50 | Exact match | 14 contacts → |
“Ultimate Tool & Safety provides tools, equipment, and services to utility and related industries.” Recorded description excerpt · October 22, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 17 | Veteran Electrical Power Systems, INCvet-eps.com HQ: Los Angeles, CA, United StatesReported employees: 11-50 | Los Angeles, CA, United States | 11-50 | Exact match | 14 contacts → |
“Electrical testing of Electrical Components” Recorded description excerpt · October 22, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 18 | Byram Laboratories, INCbyramlabs.com HQ: Branchburg, NJ, United StatesReported employees: 11-50 | Branchburg, NJ, United States | 11-50 | Exact match | 9 contacts → |
“Byram Laboratories, headquartered in Branchburg, New Jersey, is a world-class distributor, manufacturer, modification center and calibration facility for industrial…” Recorded description excerpt · October 22, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 19 | Progusaprogusa.net HQ: Altamonte Springs, FL, United StatesReported employees: 11-50 | Altamonte Springs, FL, United States | 11-50 | Exact match | 7 contacts → |
“ProgUSA helps U.S.” Recorded description excerpt · October 22, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 20 | Power Plus Engineering, INCepowerplus.com HQ: Novi, MI, United StatesReported employees: 11-50 | Novi, MI, United States | 11-50 | Exact match | 6 contacts → |
No recorded description excerpt is available for this public record. | |||||
| 21 | Bierer & Associates, INCbierermeters.com HQ: Blythewood, SC, United StatesReported employees: 11-50 | Blythewood, SC, United States | 11-50 | Exact match | 5 contacts → |
No recorded description excerpt is available for this public record. | |||||
| 22 | Automation Systems And Diagnostics, INCasdpower.com HQ: Apex, NC, United StatesReported employees: 1-10 | Apex, NC, United States | 1-10 | Exact match | 5 contacts → |
“ASD is an expert in power industry solutions, high voltage and high current testing.” Recorded description excerpt · October 22, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 23 | ESWeswtesters.com HQ: Racine, WI, United StatesReported employees: 11-50 | Racine, WI, United States | 11-50 | Exact match | 4 contacts → |
“As a leader in the industry for 50 years, we know how manufacturers struggle to find motor testers that meet their needs and are made to last.” Recorded description excerpt · October 22, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 24 | High Voltage Serviceresapower.com HQ: Blaine, MN, United StatesReported employees: 51-200 | Blaine, MN, United States | 51-200 | Exact match | 4 contacts → |
“High Voltage Service/DYMAX Service is a growing testing, repair and engineering company, in the business since 1981, specializing in electrical power solutions.” Recorded description excerpt · October 22, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 25 | I&e Central LLCie-central.com HQ: York, PA, United StatesReported employees: 1-10 | York, PA, United States | 1-10 | Exact match | 4 contacts → |
“I&E Central is an equipment and services provider to Reliability, Electrical and Predictive Maintenance professionals.” Recorded description excerpt · October 22, 2026Open company data in RevenueBase ↗Free signup required. | |||||
Showing 25 of 56 company matches
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Armature test system suppliers: dataset insights
October 22, 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
56 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 56 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 22, 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 armature test system 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 armature test system suppliers did RevenueBase find based in the United States?
The saved snapshot records 56 matching company records, 2,754 tracked contacts and 1,432 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 22, 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
Armature test system suppliers by geography
Cite this list
RevenueBase Data Team. Top 25 armature test system suppliers based in the United States. Snapshot: October 22, 2026. https://revenuebase.ai/companies/armature-test-system-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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