Company lists · Data refreshed November 2026

Top 25 Fleet diagnostic services worldwide

RevenueBase identified 2,558 company matches for fleet diagnostic services worldwide as of November 2026 and tracks 20,741 professional contacts across them, including 5,132 with verified work emails. The United States is the largest market and Houston the largest hub.

This list covers company matches for fleet diagnostic 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 fleet diagnostic 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
2,558Companies
20,741Contacts tracked
5,132Verified emails
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The 25 largest fleet diagnostic services worldwide

Ranked by team size
Top 25 of 2,558 company matches for fleet diagnostic 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 matchWalnut Creek, CA, United StatesHQ recorded Nov 6, 20261,001-5,0001,219 contacts →

Exact match

“At Amerit, we have built our reputation of being the country’s most dependable, trustworthy and hard-working partner through our singular focus on doing one thing, and doing it…”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
3Exact 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
4Exact 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
5Exact 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
6Exact 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
7Exact matchCincinnati, OH, United StatesHQ recorded Nov 6, 2026201-500305 contacts →

Exact match

“For more than 60 years, Mike Albert Fleet Solutions has empowered organizations to transform their fleets into strategic assets.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
8Exact matchTel Aviv, IsraelHQ recorded Nov 6, 2026n/a299 contacts →

Exact match

“Engie is a connected car maintenance solution for every car on the road.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
9Exact 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
10Exact 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
11Exact 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
12Exact matchCherryville, NC, United StatesHQ recorded Nov 6, 2026201-500199 contacts →

Exact match

“FleetNet America excels in vehicle maintenance and repair solutions for commercial and private fleets.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
13Exact matchSaint-priest, FranceHQ recorded Nov 6, 20261,001-5,000194 contacts →

Exact match

“Avec plus de centres en Europe, First Stop accompagne la mobilité des conducteurs particuliers et des entreprises avec des solutions d'entretien et de gestion de flottes de…”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
14Exact 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
15Exact 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
16Exact matchSan Francisco, CA, United StatesHQ recorded Nov 6, 202651-200144 contacts →

Exact match

“Motorq (pronounced mo-torque) is the platform for Connected Vehicle Intelligence.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
17Exact matchBroadview, IL, United StatesHQ recorded Nov 6, 2026201-500138 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
18Exact matchBuffalo Grove, IL, United StatesHQ recorded Nov 6, 202651-200133 contacts →

Exact match

“HP Tuners, Connect, Read, Edit, Write, Drive… HP Tuners, the home of VCM Suite and the MPVI since 2003.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
19Exact matchHerzelia, IsraelHQ recorded Nov 6, 202651-200133 contacts →

Exact match

“Questar is a global leader in Predictive Vehicle Health Management (PVHM) for commercial fleets.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
20Exact matchJacksonville, FL, United StatesHQ recorded Nov 6, 2026201-500129 contacts →

Exact match

“Complete end-to-end solutions for collision, glass, and repair shops.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
21Exact matchSunnyvale, CA, United StatesHQ recorded Nov 6, 2026201-500113 contacts →

Exact match

“Your partner in auto safety.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
22Exact matchJohannesburg, South AfricaHQ recorded Nov 6, 202651-200100 contacts →

Exact match

“ZF Commercial Vehicle Solutions provides the capability to shape the future of commercial transportation systems.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
23Exact matchSan Leandro, CA, United StatesHQ recorded Nov 6, 2026501-1,00097 contacts →

Exact match

“Peterson Trucks: Serving your Northern California Trucking Needs.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
24Exact matchPlymouth, IN, United StatesHQ recorded Nov 6, 2026201-50095 contacts →

Exact match

“TRUST WIERS FOR COST-EFFECTIVE TRUCK & VEHICLE REPAIRS.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
25Exact matchPhiladelphia, PA, United StatesHQ recorded Nov 6, 2026501-1,00094 contacts →

Exact match

“Leveraging our OEM expertise and 70+ years of experience, we provide comprehensive fleet services at our 12 service centers and over 200 mobile vehicles that come to you.”

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

Showing 25 of 2,558 fleet diagnostic services worldwide

See the full list, filter by size, metro and specialty, and access 5,132 tracked professional contacts with verified work emails. Direct dials are available where recorded.

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Fleet diagnostic services worldwide at a glance

As of Nov 6, 2026
24.7%Verified-email coverage
8.1Average contacts per company
1-10Median size (employees)
0.7%Largest-city concentration · Houston
Nov 6, 2026Page data refreshed

Companies by employee count

1-10
1,425
11-50
779
51-200
182
201-500
38
501-1,000
14
1,001-5,000
7
5,001-10,000
1
10001+
4

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 fleet diagnostic services are linked below.
What qualifies
Company records worldwide whose business descriptions match “fleet diagnostic 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 5,132 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.

Fleet diagnostic services by location

9 lists · largest first

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

How many fleet diagnostic services are there worldwide?

RevenueBase identified 2,558 company matches for fleet diagnostic 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 fleet diagnostic services?

The United States leads with 748 companies, followed by the United Kingdom (277) and Brazil (133). Every fleet diagnostic services list by country and city is linked on this page.

Which city has the most fleet diagnostic services?

Houston leads with 19 company records, followed by London (15) and Dubai (14).

How do I get contact information for these companies?

A free RevenueBase account lets you run this exact search and work limited free results with 500 credits to start. Upgrading provides access to the 5,132 professional contacts with verified work emails tracked across these 2,558 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.