Company lists · Data refreshed November 2026
Top 25 Ev diagnostic testing companies worldwide
RevenueBase identified 677 company matches for ev diagnostic testing companies worldwide as of November 2026 and tracks 9,531 professional contacts across them, including 3,192 with verified work emails. The United States is the largest market and London the largest hub.
This list covers company matches for ev diagnostic testing companies worldwide, 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 6, 2026. Country and city lists for ev diagnostic testing companies follow the table.
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 ev diagnostic testing companies worldwide
Ranked by team size| # | Company | Contacts | |||
|---|---|---|---|---|---|
| 1 | 1,324 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 · Nov 6, 2026 · View company records in RevenueBase | |||||
| 2 | 678 contacts → | ||||
Exact match “Electric Power Systems is an independent electrical testing & engineering organization.” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase | |||||
| 3 | 662 contacts → | ||||
Exact match “Doble is the world’s most trusted brand in electrical diagnostics.” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase | |||||
| 4 | 471 contacts → | ||||
Exact match “We provide global testing services for automotive, aeronautic & defence industries : we perform environmental, mechanical, EMC and electrical tests.” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase | |||||
| 5 | 341 contacts → | ||||
Exact match “At Protech Automotive Solutions®, we are dedicated to pioneering advanced diagnostic scanning, ADAS calibration, and mechanical expertise to ensure vehicle safety and reliability.” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase | |||||
| 6 | 320 contacts → | ||||
Exact match “At Noregon, we are experts at acquiring, analyzing, and interpreting vehicle data.” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase | |||||
| 7 | 225 contacts → | ||||
Exact match “Building on its history of leadership in the automotive industry, Burke Porter is now an Ascential Technologies company.” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase | |||||
| 8 | 211 contacts → | ||||
Exact match “Engineering is our Passion We are an international team of more than 850 employees with our own subsidiaries in eight countries.” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase | |||||
| 9 | 172 contacts → | ||||
Exact match “THE AUTOMOTIVE AFTERMARKET INDUSTRY LEADER Innova Electronics Corporation is a leading supplier of test equipment and diagnostic reporting for the automotive aftermarket, offering…” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase | |||||
| 10 | 156 contacts → | ||||
Exact match “Trialon is now Element!” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase | |||||
| 11 | 138 contacts → | ||||
Exact match “Mobile Auto Solutions provides unrivaled experience, capabilities, training, and equipment to the automotive industry.” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase | |||||
| 12 | 119 contacts → | ||||
Exact match “Test Automation * Centralized Lab Management * Combustion Analysis * HiL Simulation Systems * Model-based Sensors A&D Technology delivers integrated test and lab management…” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase | |||||
| 13 | 99 contacts → | ||||
Exact match “D&V Electronics of Toronto, Canada designs and manufactures electric motor, inverter, BSG / ISG motors, alternator and starter testers for endurance, performance and production…” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase | |||||
| 14 | 93 contacts → | ||||
Exact match “FEV is a leading independent international service provider of vehicle and powertrain development for hardware and software.” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase | |||||
| 15 | 90 contacts → | ||||
Exact match “Somos solución integral en la ejecución de pruebas a sistemas eléctricos a cualquier nivel de tensión; Ofrecemos la ejecución de una amplia gama de pruebas eléctricas, soportados…” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase | |||||
| 16 | 87 contacts → | ||||
Exact match “World market leader in battery diagnosis for e-cars and plug-in hybrids.” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase | |||||
| 17 | 81 contacts → | ||||
Exact match “Understanding vehicles.” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase | |||||
| 18 | 76 contacts → | ||||
Exact match “Die KPS Prüfservice ist bundesweit unter den marktführenden Unternehmen im Bereich elektrische Betriebsmittelprüfungen.” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase | |||||
| 19 | 68 contacts → | ||||
Exact match “TRP Laboratories provides standard and custom testing services across the United States.” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase | |||||
| 20 | 65 contacts → | ||||
Exact match “We successfully operate one of the most modern test laboratories for power electronics and energy storage in Bochum.” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase | |||||
| 21 | 56 contacts → | ||||
Exact match “DG Technologies (formerly Dearborn Group) is a value leader in vehicle network solutions for in-vehicle and controller area networks providing diagnostic, reprogramming…” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase | |||||
| 22 | 55 contacts → | ||||
Exact match “Acculogic is a global supplier of automated test equipment and application support services for the electronics and EV battery market.” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase | |||||
| 23 | 53 contacts → | ||||
Exact match “With its core areas of expertise – diagnostics and testing – Softing Automotive is all about key technologies in automotive electronics as well as closely related areas of the…” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase | |||||
| 24 | 52 contacts → | ||||
Exact match “KST is an independent testing service provider for the development and validation of modern drive systems.” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase | |||||
| 25 | 52 contacts → | ||||
Exact match “TJ|H2b Analytical Services is a full service laboratory that offers analytical testing and diagnostic evaluation of oil and gas insulated electrical equipment at our global lab…” Recorded in the RevenueBase company graph · Nov 6, 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 “ev diagnostic testing companies”. 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 677 ev diagnostic testing companies worldwide
See the full list, filter by size, metro and specialty, and access 3,192 tracked professional contacts with verified work emails. Direct dials are available where recorded.
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Ev diagnostic testing companies worldwide at a glance
As of Nov 6, 2026Companies by employee count
Email recency is reported on each country list linked below.
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.
- Coverage
- Every country. Country and city lists for ev diagnostic testing companies are linked below.
- What qualifies
- Company records worldwide whose business descriptions match “ev diagnostic testing companies” 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. 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 3,192 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 6, 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.
Ev diagnostic testing companies by location
3 lists · largest firstEvery Ev diagnostic testing companies list RevenueBase publishes, by country and city. Counts are matching companies in each list as of its own refresh date.
Countries
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 “ev diagnostic testing companies”; each Exact match badge shows search membership, not an individual similarity or quality score.
How many ev diagnostic testing companies are there worldwide?
RevenueBase identified 677 company matches for ev diagnostic testing companies worldwide 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?
Shermco Industries tops the displayed preview by professional contacts tracked in RevenueBase. Recorded headquarters appear in the company rows.
Which country has the most ev diagnostic testing companies?
The United States leads with 104 companies, followed by the United Kingdom (85) and Germany (74). Every ev diagnostic testing companies list by country and city is linked on this page.
Which city has the most ev diagnostic testing companies?
London leads with 7 company records, followed by Pune (6) and Bangalore (4).
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 3,192 professional contacts with verified work emails tracked across these 677 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 6, 2026.
Ready to reach these companies? Verified emails and direct dials for all 677 ev diagnostic testing companies worldwide. 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
Company intelligence · public preview
Top 25 ev diagnostic testing companies worldwide
Find companies in any niche.
Describe the businesses you want in your own words. RevenueBase SmartSearch matches company descriptions by meaning.
RevenueBase records 677 matching company records for ev diagnostic testing companies worldwide, with 9,531 tracked contacts and 3,192 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 6, 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 ev diagnostic testing companies worldwide
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, OK, United StatesReported employees: 1,001-5,000 | Irving, OK, United States | 1,001-5,000 | Exact match | 1,324 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 · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 2 |  Electric Power Systemsvoltyx.comHQ: Maryland Heights, MI, United StatesReported employees: 501-1,000 | Maryland Heights, MI, United States | 501-1,000 | Exact match | 678 contacts → |
“Electric Power Systems is an independent electrical testing & engineering organization.” Recorded description excerpt · November 6, 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 | 662 contacts → |
“Doble is the world’s most trusted brand in electrical diagnostics.” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 4 |  Emitech Groupemitech-group.comHQ: Montigny Le Bretonneux, FranceReported employees: 501-1,000 | Montigny Le Bretonneux, France | 501-1,000 | Exact match | 471 contacts → |
“We provide global testing services for automotive, aeronautic & defence industries : we perform environmental, mechanical, EMC and electrical tests.” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 5 |  Protech Automotive Solutionsprotechautomotivesolutions.comHQ: Lewisville, TX, United StatesReported employees: 10001+ | Lewisville, TX, United States | 10001+ | Exact match | 341 contacts → |
“At Protech Automotive Solutions®, we are dedicated to pioneering advanced diagnostic scanning, ADAS calibration, and mechanical expertise to ensure vehicle safety and reliability.” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 6 |  Noregon Systemsnoregon.comHQ: Greensboro, NC, United StatesReported employees: 201-500 | Greensboro, NC, United States | 201-500 | Exact match | 320 contacts → |
“At Noregon, we are experts at acquiring, analyzing, and interpreting vehicle data.” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 7 |  Burke Porter, An Ascential Technologies Brandascentialtech.comHQ: Grand Rapids, United StatesReported employees: 201-500 | Grand Rapids, United States | 201-500 | Exact match | 225 contacts → |
“Building on its history of leadership in the automotive industry, Burke Porter is now an Ascential Technologies company.” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 8 | HQ: Aachen, GermanyReported employees: 501-1,000 | Aachen, Germany | 501-1,000 | Exact match | 211 contacts → |
“Engineering is our Passion We are an international team of more than 850 employees with our own subsidiaries in eight countries.” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 9 |  Innova Electronics Corpinnova.comHQ: Irvine, CA, United StatesReported employees: 51-200 | Irvine, CA, United States | 51-200 | Exact match | 172 contacts → |
“THE AUTOMOTIVE AFTERMARKET INDUSTRY LEADER Innova Electronics Corporation is a leading supplier of test equipment and diagnostic reporting for the automotive aftermarket, offering…” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 10 |  Trialon Corporationelement.comHQ: Burton, IN, United StatesReported employees: 501-1,000 | Burton, IN, United States | 501-1,000 | Exact match | 156 contacts → |
“Trialon is now Element!” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 11 |  Mobile Auto Solutionsmasllc.netHQ: Broadview, IL, United StatesReported employees: 201-500 | Broadview, IL, United States | 201-500 | Exact match | 138 contacts → |
“Mobile Auto Solutions provides unrivaled experience, capabilities, training, and equipment to the automotive industry.” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 12 |  A&d Technologyaanddtech.comHQ: Ann Arbor, MI, United StatesReported employees: 51-200 | Ann Arbor, MI, United States | 51-200 | Exact match | 119 contacts → |
“Test Automation * Centralized Lab Management * Combustion Analysis * HiL Simulation Systems * Model-based Sensors A&D Technology delivers integrated test and lab management…” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 13 |  D&v Electronicsdvelectronics.comHQ: Woodbridge, ON, United StatesReported employees: 51-200 | Woodbridge, ON, United States | 51-200 | Exact match | 99 contacts → |
“D&V Electronics of Toronto, Canada designs and manufactures electric motor, inverter, BSG / ISG motors, alternator and starter testers for endurance, performance and production…” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 14 |  FEV China Co., LTDfev.comHQ: Sanhe City, ChinaReported employees: 201-500 | Sanhe City, China | 201-500 | Exact match | 93 contacts → |
“FEV is a leading independent international service provider of vehicle and powertrain development for hardware and software.” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 15 |  Dagelecdagelec.comHQ: Bogota, ColombiaReported employees: 51-200 | Bogota, Colombia | 51-200 | Exact match | 90 contacts → |
“Somos solución integral en la ejecución de pruebas a sistemas eléctricos a cualquier nivel de tensión; Ofrecemos la ejecución de una amplia gama de pruebas eléctricas, soportados…” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 16 |  Aviloo Battery Diagnosticsaviloo.comHQ: Wiener Neudorf, AustriaReported employees: 51-200 | Wiener Neudorf, Austria | 51-200 | Exact match | 87 contacts → |
“World market leader in battery diagnosis for e-cars and plug-in hybrids.” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 17 |  WOW Würth Online World Gmbhwow-portal.comHQ: Künzelsau, GermanyReported employees: 51-200 | Künzelsau, Germany | 51-200 | Exact match | 81 contacts → |
“Understanding vehicles.” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 18 |  KPS Prüfservice Gmbhkps-gruppe.deHQ: 69493, GermanyReported employees: 201-500 | 69493, Germany | 201-500 | Exact match | 76 contacts → |
“Die KPS Prüfservice ist bundesweit unter den marktführenden Unternehmen im Bereich elektrische Betriebsmittelprüfungen.” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 19 |  TRP Laboratoriestrplabs.comHQ: Troy, MI, United StatesReported employees: 51-200 | Troy, MI, United States | 51-200 | Exact match | 68 contacts → |
“TRP Laboratories provides standard and custom testing services across the United States.” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 20 |  Voltavision Gmbhvoltavision.deHQ: Bochum, GermanyReported employees: 51-200 | Bochum, Germany | 51-200 | Exact match | 65 contacts → |
“We successfully operate one of the most modern test laboratories for power electronics and energy storage in Bochum.” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 21 |  DG Technologiesdgtech.comHQ: Farmington Hills, MI, United StatesReported employees: 11-50 | Farmington Hills, MI, United States | 11-50 | Exact match | 56 contacts → |
“DG Technologies (formerly Dearborn Group) is a value leader in vehicle network solutions for in-vehicle and controller area networks providing diagnostic, reprogramming…” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 22 |  Acculogic INCacculogic.comHQ: Markham, ON, CanadaReported employees: 51-200 | Markham, ON, Canada | 51-200 | Exact match | 55 contacts → |
“Acculogic is a global supplier of automated test equipment and application support services for the electronics and EV battery market.” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 23 |  Softing Automotiveautomotive.softing.comHQ: Haar, GermanyReported employees: 51-200 | Haar, Germany | 51-200 | Exact match | 53 contacts → |
“With its core areas of expertise – diagnostics and testing – Softing Automotive is all about key technologies in automotive electronics as well as closely related areas of the…” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 24 |  Kst-Motorenversuch Gmbh & Co. KGkst-motorenversuch.deHQ: Bad Dürkheim, GermanyReported employees: 51-200 | Bad Dürkheim, Germany | 51-200 | Exact match | 52 contacts → |
“KST is an independent testing service provider for the development and validation of modern drive systems.” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 25 |  TJ H2b Analytical Servicestjh2b.comHQ: Sacramento, United StatesReported employees: 51-200 | Sacramento, United States | 51-200 | Exact match | 52 contacts → |
“TJ|H2b Analytical Services is a full service laboratory that offers analytical testing and diagnostic evaluation of oil and gas insulated electrical equipment at our global lab…” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
Showing 25 of 677 company matches
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Ev diagnostic testing companies: dataset insights
November 6, 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
642 records in the displayed employee bands.
35 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 across the whole country list rather than for Worldwide, so it is reported there. Company counts and contact totals on this page are exact for Worldwide, over 677 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 6, 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 ↗
Ev diagnostic testing companies by location
3 lists · largest firstEvery Ev diagnostic testing companies list RevenueBase publishes, by country and city. Counts are matching companies in each list as of its own refresh date.
Countries
Questions about this company list
What does Exact match mean for ev diagnostic testing companies?
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 ev diagnostic testing companies did RevenueBase find worldwide?
The saved snapshot records 677 matching company records, 9,531 tracked contacts and 3,192 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 6, 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
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Cite this list
RevenueBase Data Team. Top 25 ev diagnostic testing companies worldwide. Snapshot: November 6, 2026. https://revenuebase.ai/companies/browse/ev-diagnostic-testing-companies.
This is a selected public preview of saved company records, rather than an independently verified census. Open the source page ↗
More company lists
Company intelligence · public preview
Top 25 ev diagnostic testing companies worldwide
RevenueBase records 677 matching company records for ev diagnostic testing companies worldwide, with 9,531 tracked contacts and 3,192 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 6, 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 ev diagnostic testing companies worldwide
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, OK, United StatesReported employees: 1,001-5,000 | Irving, OK, United States | 1,001-5,000 | Exact match | 1,324 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 · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 2 | Electric Power Systemsvoltyx.com HQ: Maryland Heights, MI, United StatesReported employees: 501-1,000 | Maryland Heights, MI, United States | 501-1,000 | Exact match | 678 contacts → |
“Electric Power Systems is an independent electrical testing & engineering organization.” Recorded description excerpt · November 6, 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 | 662 contacts → |
“Doble is the world’s most trusted brand in electrical diagnostics.” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 4 | Emitech Groupemitech-group.com HQ: Montigny Le Bretonneux, FranceReported employees: 501-1,000 | Montigny Le Bretonneux, France | 501-1,000 | Exact match | 471 contacts → |
“We provide global testing services for automotive, aeronautic & defence industries : we perform environmental, mechanical, EMC and electrical tests.” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 5 | Protech Automotive Solutionsprotechautomotivesolutions.com HQ: Lewisville, TX, United StatesReported employees: 10001+ | Lewisville, TX, United States | 10001+ | Exact match | 341 contacts → |
“At Protech Automotive Solutions®, we are dedicated to pioneering advanced diagnostic scanning, ADAS calibration, and mechanical expertise to ensure vehicle safety and reliability.” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 6 | Noregon Systemsnoregon.com HQ: Greensboro, NC, United StatesReported employees: 201-500 | Greensboro, NC, United States | 201-500 | Exact match | 320 contacts → |
“At Noregon, we are experts at acquiring, analyzing, and interpreting vehicle data.” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 7 | Burke Porter, An Ascential Technologies Brandascentialtech.com HQ: Grand Rapids, United StatesReported employees: 201-500 | Grand Rapids, United States | 201-500 | Exact match | 225 contacts → |
“Building on its history of leadership in the automotive industry, Burke Porter is now an Ascential Technologies company.” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 8 | HQ: Aachen, GermanyReported employees: 501-1,000 | Aachen, Germany | 501-1,000 | Exact match | 211 contacts → |
“Engineering is our Passion We are an international team of more than 850 employees with our own subsidiaries in eight countries.” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 9 | Innova Electronics Corpinnova.com HQ: Irvine, CA, United StatesReported employees: 51-200 | Irvine, CA, United States | 51-200 | Exact match | 172 contacts → |
“THE AUTOMOTIVE AFTERMARKET INDUSTRY LEADER Innova Electronics Corporation is a leading supplier of test equipment and diagnostic reporting for the automotive aftermarket, offering…” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 10 | Trialon Corporationelement.com HQ: Burton, IN, United StatesReported employees: 501-1,000 | Burton, IN, United States | 501-1,000 | Exact match | 156 contacts → |
“Trialon is now Element!” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 11 | Mobile Auto Solutionsmasllc.net HQ: Broadview, IL, United StatesReported employees: 201-500 | Broadview, IL, United States | 201-500 | Exact match | 138 contacts → |
“Mobile Auto Solutions provides unrivaled experience, capabilities, training, and equipment to the automotive industry.” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 12 | A&d Technologyaanddtech.com HQ: Ann Arbor, MI, United StatesReported employees: 51-200 | Ann Arbor, MI, United States | 51-200 | Exact match | 119 contacts → |
“Test Automation * Centralized Lab Management * Combustion Analysis * HiL Simulation Systems * Model-based Sensors A&D Technology delivers integrated test and lab management…” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 13 | D&v Electronicsdvelectronics.com HQ: Woodbridge, ON, United StatesReported employees: 51-200 | Woodbridge, ON, United States | 51-200 | Exact match | 99 contacts → |
“D&V Electronics of Toronto, Canada designs and manufactures electric motor, inverter, BSG / ISG motors, alternator and starter testers for endurance, performance and production…” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 14 | FEV China Co., LTDfev.com HQ: Sanhe City, ChinaReported employees: 201-500 | Sanhe City, China | 201-500 | Exact match | 93 contacts → |
“FEV is a leading independent international service provider of vehicle and powertrain development for hardware and software.” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 15 | Dagelecdagelec.com HQ: Bogota, ColombiaReported employees: 51-200 | Bogota, Colombia | 51-200 | Exact match | 90 contacts → |
“Somos solución integral en la ejecución de pruebas a sistemas eléctricos a cualquier nivel de tensión; Ofrecemos la ejecución de una amplia gama de pruebas eléctricas, soportados…” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 16 | Aviloo Battery Diagnosticsaviloo.com HQ: Wiener Neudorf, AustriaReported employees: 51-200 | Wiener Neudorf, Austria | 51-200 | Exact match | 87 contacts → |
“World market leader in battery diagnosis for e-cars and plug-in hybrids.” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 17 | WOW Würth Online World Gmbhwow-portal.com HQ: Künzelsau, GermanyReported employees: 51-200 | Künzelsau, Germany | 51-200 | Exact match | 81 contacts → |
“Understanding vehicles.” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 18 | KPS Prüfservice Gmbhkps-gruppe.de HQ: 69493, GermanyReported employees: 201-500 | 69493, Germany | 201-500 | Exact match | 76 contacts → |
“Die KPS Prüfservice ist bundesweit unter den marktführenden Unternehmen im Bereich elektrische Betriebsmittelprüfungen.” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 19 | TRP Laboratoriestrplabs.com HQ: Troy, MI, United StatesReported employees: 51-200 | Troy, MI, United States | 51-200 | Exact match | 68 contacts → |
“TRP Laboratories provides standard and custom testing services across the United States.” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 20 | Voltavision Gmbhvoltavision.de HQ: Bochum, GermanyReported employees: 51-200 | Bochum, Germany | 51-200 | Exact match | 65 contacts → |
“We successfully operate one of the most modern test laboratories for power electronics and energy storage in Bochum.” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 21 | DG Technologiesdgtech.com HQ: Farmington Hills, MI, United StatesReported employees: 11-50 | Farmington Hills, MI, United States | 11-50 | Exact match | 56 contacts → |
“DG Technologies (formerly Dearborn Group) is a value leader in vehicle network solutions for in-vehicle and controller area networks providing diagnostic, reprogramming…” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 22 | Acculogic INCacculogic.com HQ: Markham, ON, CanadaReported employees: 51-200 | Markham, ON, Canada | 51-200 | Exact match | 55 contacts → |
“Acculogic is a global supplier of automated test equipment and application support services for the electronics and EV battery market.” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 23 | Softing Automotiveautomotive.softing.com HQ: Haar, GermanyReported employees: 51-200 | Haar, Germany | 51-200 | Exact match | 53 contacts → |
“With its core areas of expertise – diagnostics and testing – Softing Automotive is all about key technologies in automotive electronics as well as closely related areas of the…” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 24 | Kst-Motorenversuch Gmbh & Co. KGkst-motorenversuch.de HQ: Bad Dürkheim, GermanyReported employees: 51-200 | Bad Dürkheim, Germany | 51-200 | Exact match | 52 contacts → |
“KST is an independent testing service provider for the development and validation of modern drive systems.” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 25 | TJ H2b Analytical Servicestjh2b.com HQ: Sacramento, United StatesReported employees: 51-200 | Sacramento, United States | 51-200 | Exact match | 52 contacts → |
“TJ|H2b Analytical Services is a full service laboratory that offers analytical testing and diagnostic evaluation of oil and gas insulated electrical equipment at our global lab…” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
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Ev diagnostic testing companies: dataset insights
November 6, 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
642 records in the displayed employee bands.
35 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 across the whole country list rather than for Worldwide, so it is reported there. Company counts and contact totals on this page are exact for Worldwide, over 677 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 6, 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 ↗
Ev diagnostic testing companies by location
3 lists · largest firstEvery Ev diagnostic testing companies list RevenueBase publishes, by country and city. Counts are matching companies in each list as of its own refresh date.
Countries
Questions about this company list
What does Exact match mean for ev diagnostic testing companies?
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 ev diagnostic testing companies did RevenueBase find worldwide?
The saved snapshot records 677 matching company records, 9,531 tracked contacts and 3,192 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 6, 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 ev diagnostic testing companies worldwide. Snapshot: November 6, 2026. https://revenuebase.ai/companies/browse/ev-diagnostic-testing-companies.
This is a selected public preview of saved company records, rather than an independently verified census. Open the source page ↗