Company lists · Data refreshed November 2026

Top 25 Diagnostic auto services based in the United States

RevenueBase identified 3,574 company matches for diagnostic auto services associated with the United States as of November 2026 and tracks 19,114 professional contacts across them, including 2,785 with verified work emails. Houston is the largest hub.

This list covers company matches for diagnostic auto services 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 November 6, 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.

How to read this list RevenueBase SmartSearch · Exact Recorded Nov 6, 2026 How this list was built
3,574Companies
19,114Contacts tracked
2,785Verified emails
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The 25 largest diagnostic auto services based in the United States

Ranked by team size
Top 25 of 3,574 company matches for diagnostic auto services based in the United States, 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 matchElk Grove, CA, United StatesHQ recorded Nov 6, 2026201-500643 contacts →

Exact match

“ALLDATA® is the leading provider of OEM automotive repair information and solutions to the professional automotive service industry.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
2Exact 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
3Exact matchCanton, MI, United StatesHQ recorded Nov 6, 202651-200372 contacts →

Exact match

“21st century complete automotive repair facility designed to make car repairs simple, affordable and reliable.”

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 matchHigh Ridge, MO, United StatesHQ recorded Nov 6, 20261,001-5,000290 contacts →

Exact match

“At Dobbs Tire & Auto Centers, we’re more than just a trusted name in tires and automotive service-we’re a team driven by excellence, powered by purpose, and committed to growing…”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
8Exact 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
9Exact matchToledo, OH, United StatesHQ recorded Nov 6, 20261,001-5,000243 contacts →

Exact match

“TUFFY HISTORY Tuffy is one of the largest automotive repair chains in the country.”

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 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
12Exact 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
13Exact matchPlano, TX, United StatesHQ recorded Nov 6, 2026501-1,000149 contacts →

Exact match

Recorded description not available.

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
14Exact 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
15Exact 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
16Exact matchFarmers Branch, TX, United StatesHQ recorded Nov 6, 2026201-500133 contacts →

Exact match

“We are your solution for sublet repairs and a variety of critical vehicle repair solutions.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
17Exact 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
18Exact 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
19Exact matchSouthampton, FL, United StatesHQ recorded Nov 6, 202651-20096 contacts →

Exact match

“BOLT ON TECHNOLOGY designs automotive software solutions that solve the most common struggles facing the Automotive Repair Industry.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
20Exact matchTempe, AZ, United StatesHQ recorded Nov 6, 2026201-50086 contacts →

Exact match

“Sun Devil Auto was started in 1978 and has grown to over 30 locations in 3 states, yet maintains that family owned feeling.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
21Exact matchAustin, TX, United StatesHQ recorded Nov 6, 202651-20081 contacts →

Exact match

“Lamb's Tire & Automotive is a GENUINE AUSTIN ORIGINAL founded in 1987 - Now with 16 Austin-area locations AUSTIN'S COMPLETE CAR CARE Headquarters Lamb’s Tire and Automotive…”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
22Exact matchHugo, MN, United StatesHQ recorded Nov 6, 2026201-50075 contacts →

Exact match

“Bring your vehicle to TGK Automotive for top-notch auto repair and maintenance services.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
23Exact matchSan Diego, CA, United StatesHQ recorded Nov 6, 202651-20067 contacts →

Exact match

“At AutoVitals, we help independent auto repair shops run more customer-focused, efficient, and profitable businesses.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
24Exact matchNew York, NY, United StatesHQ recorded Nov 6, 202651-20067 contacts →

Exact match

“At Revv, we leverage AI and machine learning to empower automotive repair shops with revolutionary SaaS solutions that enhance safety, profitability, accuracy, and efficiency.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
25Exact matchMadison, IN, United StatesHQ recorded Nov 6, 20261,001-5,00065 contacts →

Exact match

“Before Rotary was a company, it was a solution.”

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

Showing 25 of 3,574 diagnostic auto services based in the United States

See the full list, filter by size, metro and specialty, and access 2,785 tracked professional contacts with verified work emails. Direct dials are available where recorded.

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Diagnostic auto services based in the United States at a glance

As of Nov 6, 2026
14.6%Verified-email coverage
5.3Average contacts per company
1-10Median size (employees)
1.2%Largest-city concentration · Houston
Nov 6, 2026Page data refreshed

Companies by employee count

1-10
2,469
11-50
895
51-200
76
201-500
16
501-1,000
9
1,001-5,000
8
5,001-10,000
1
10001+
2

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 3,574 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 “diagnostic auto 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. 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 2,785 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.

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

How many diagnostic auto services are there based in the United States?

RevenueBase identified 3,574 company matches for diagnostic auto services associated with the United States 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?

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

Which city has the most diagnostic auto services?

Houston leads with 43 company records, followed by Chicago (30) and Phoenix (26).

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 2,785 professional contacts with verified work emails tracked across these 3,574 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.