Company lists · Data refreshed November 2026

Top 25 Vehicle diagnostic testing services worldwide

RevenueBase identified 5,714 company matches for vehicle diagnostic testing services worldwide as of November 2026 and tracks 35,926 professional contacts across them, including 6,749 with verified work emails. The United States is the largest market and Sao Paulo the largest hub.

This list covers company matches for vehicle diagnostic testing services 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 vehicle diagnostic testing services 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.

How to read this list RevenueBase SmartSearch · Exact Recorded Nov 6, 2026 How this list was built
5,714Companies
35,926Contacts tracked
6,749Verified emails
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The 25 largest vehicle diagnostic testing services worldwide

Ranked by team size
Top 25 of 5,714 company matches for vehicle diagnostic testing services worldwide, ordered by professional contacts tracked in RevenueBase, largest first. Recorded Nov 6, 2026. The RevenueBase SmartSearch column shows Exact match membership in this saved search. Click a contact count to view that company's people. Totals use company locations recorded by RevenueBase; the displayed preview is a smaller selection.
#CompanyRevenueBase SmartSearchHeadquartersEmployeesContacts
1Exact matchFairlawn, United StatesHQ recorded Nov 6, 20261,001-5,0001,463 contacts →

Exact match

“Playing our part right from the start.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
2Exact matchLetchworth Garden City, United KingdomHQ recorded Nov 6, 20261,001-5,0001,089 contacts →

Exact match

“At Kwik Fit, we’re here when you need us so you can drive away happy every time.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
3Exact matchMonastier Di Treviso, ItalyHQ recorded Nov 6, 2026501-1,000685 contacts →

Exact match

“TEXA was founded in 1992 by its current CEO, Bruno Vianello and today is among the main international players in the automotive industry.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
4Exact matchHanover, GermanyHQ recorded Nov 6, 20261,001-5,000614 contacts →

Exact match

“Optimizing digital processes, the general inspection, PTI - TÜV NORD Mobility is all of this.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
5Exact matchSan Diego, CA, United StatesHQ recorded Nov 6, 2026201-500534 contacts →

Exact match

“Headquartered in San Diego, California, Mitchell 1 has provided quality repair information solutions to the motor vehicle industry for 100 years.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
6Exact matchGermanyHQ recorded Nov 6, 20265,001-10,000432 contacts →

Exact match

“Vertrauen ist die Basis.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
7Exact matchLewisville, TX, United StatesHQ recorded Nov 6, 202610001+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
8Exact matchPlano, TX, United StatesHQ recorded Nov 6, 2026501-1,000331 contacts →

Exact match

“Headquartered in Plano, Texas, asTech® focuses on providing OEM diagnostics to collision repair shops nationwide.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
9Exact matchGreensboro, NC, United StatesHQ recorded Nov 6, 2026201-500320 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
10Exact matchShah Alam, MalaysiaHQ recorded Nov 6, 20261,001-5,000318 contacts →

Exact match

“Puspakom Sdn Bhd (PUSPAKOM) is Malaysia's first and only comprehensive national vehicle inspection company appointed by the Malaysian Government to undertake all mandatory…”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
11Exact matchIrmo, SC, United StatesHQ recorded Nov 6, 202651-200278 contacts →

Exact match

“Diesel Laptops provides commercial truck efficiency solutions for truck repair facilities.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
12Exact matchTroy, MI, United StatesHQ recorded Nov 6, 2026201-500262 contacts →

Exact match

“MOTOR Information Systems, one of the world’s premier suppliers of automotive data, has been trusted by the industry to provide accurate, thorough and timely information since…”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
13Exact matchMalmö, SwedenHQ recorded Nov 6, 2026501-1,000254 contacts →

Exact match

“När den svenska marknaden för bilprovning avreglerades 2010 bestämde vi oss för att ta steget och göra något annorlunda.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
14Exact matchMontreuil, FranceHQ recorded Nov 6, 202651-200249 contacts →

Exact match

“Autovision est une enseigne exploitée par VIVAUTO SA, société agréée par le Ministère chargé des Transports au titre de Réseau de Contrôle Technique Automobile.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
15Exact matchOstfildern, GermanyHQ recorded Nov 6, 2026501-1,000240 contacts →

Exact match

“Deutsche Automobil Treuhand GmbH (DAT) is an international company operating within the automotive industry.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
16Exact matchKnoxville, TN, United StatesHQ recorded Nov 6, 2026501-1,000220 contacts →

Exact match

“Vehlo solutions unlock potential across vehicle service and repair by giving power back to your people.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
17Exact matchIndianapolis, United StatesHQ recorded Nov 6, 2026201-500220 contacts →

Exact match

“POLARIS Laboratories® can help you prevent maintenance failure.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
18Exact matchAachen, GermanyHQ recorded Nov 6, 2026501-1,000211 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
19Exact matchBogota, ColombiaHQ recorded Nov 6, 2026501-1,000195 contacts →

Exact match

“Somos un centro integral de servicios automotrices, ofrecemos soluciones acertadas y confiables en Inspección de Asegurabilidad, Peritajes, y Revisión Técnico Mecánica”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
20Exact matchVilvoorde, BelgiumHQ recorded Nov 6, 2026501-1,000194 contacts →

Exact match

“Macadam is an independent expert in vehicle inspections, remarketing services and audits for leasing companies and car manufacturers.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
21Exact matchIhringen, GermanyHQ recorded Nov 6, 2026501-1,000180 contacts →

Exact match

“Curiosity is our fuel.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
22Exact matchMadrid, SpainHQ recorded Nov 6, 2026501-1,000177 contacts →

Exact match

“En Red Itevelesa somos la empresa líder a nivel nacional en el sector de las ITV.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
23Exact matchDexter, NY, United StatesHQ recorded Nov 6, 2026501-1,000173 contacts →

Exact match

“Opus IVS helps independent automotive shops repair the most complex vehicles fast with diagnostics, programming and live repair guidance from OE brand-specific master technicians.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
24Exact matchIrvine, CA, United StatesHQ recorded Nov 6, 202651-200172 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
25Exact matchLosheim Am See, GermanyHQ recorded Nov 6, 20261,001-5,000166 contacts →

Exact match

“Die KÜS – die Kraftfahrzeug-Überwachungsorganisation freiberuflicher Kfz-Sachverständiger – ist als große und bundesweit vertretene Überwachungs- und Sachverständigenorganisation…”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase

Showing 25 of 5,714 vehicle diagnostic testing services worldwide

See the full list, filter by size, metro and specialty, and access 6,749 tracked professional contacts with verified work emails. Direct dials are available where recorded.

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Vehicle diagnostic testing services worldwide at a glance

As of Nov 6, 2026
18.8%Verified-email coverage
6.3Average contacts per company
1-10Median size (employees)
0.9%Largest-city concentration · Sao Paulo
Nov 6, 2026Page data refreshed

Companies by employee count

1-10
3,622
11-50
1,277
51-200
245
201-500
60
501-1,000
35
1,001-5,000
17
5,001-10,000
4
10001+
5

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 vehicle diagnostic testing services are linked below.
What qualifies
Company records worldwide whose business descriptions match “vehicle diagnostic testing services” 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 6,749 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.

Vehicle diagnostic testing services by location

13 lists · largest first

Every Vehicle diagnostic testing services 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 “vehicle diagnostic testing services”; each Exact match badge shows search membership, not an individual similarity or quality score.

How many vehicle diagnostic testing services are there worldwide?

RevenueBase identified 5,714 company matches for vehicle diagnostic testing services 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?

OEC tops the displayed preview by professional contacts tracked in RevenueBase. Recorded headquarters appear in the company rows.

Which country has the most vehicle diagnostic testing services?

The United States leads with 1,305 companies, followed by the United Kingdom (776) and Germany (479). Every vehicle diagnostic testing services list by country and city is linked on this page.

Which city has the most vehicle diagnostic testing services?

Sao Paulo leads with 49 company records, followed by Dubai (28) and London (28).

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 6,749 professional contacts with verified work emails tracked across these 5,714 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.

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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.