Company lists · Data refreshed November 2026
Top 25 Engine diagnostics testing services based in the United States
RevenueBase identified 352 company matches for engine diagnostics testing services associated with the United States as of November 2026 and tracks 6,780 professional contacts across them, including 2,424 with verified work emails. Houston is the largest hub.
This list covers company matches for engine diagnostics testing 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.
The 25 largest engine diagnostics testing services based in the United States
Ranked by team size| # | Company | Contacts | |||
|---|---|---|---|---|---|
| 1 | 961 contacts → | ||||
Exact match “Applied Technical Services assists commercial and industrial clients by providing inspection, testing, consulting engineering, and calibration services.” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase | |||||
| 2 | 326 contacts → | ||||
Exact match “Watch our video on the history and culture of Pace at https://goo.gl/L3ruD3 or get a more detailed look through our company brochure at https://goo.gl/feMDwU!” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase | |||||
| 3 | 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 | |||||
| 4 | 287 contacts → | ||||
Exact match “Kett Engineering Corporation has been operating for over 60 years and has spent the past 28 years dedicating its services to supporting the automotive testing and staffing needs…” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase | |||||
| 5 | 278 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 | |||||
| 6 | 238 contacts → | ||||
Exact match “MGA is recognized worldwide as one of the leading independent providers of testing services and equipment.” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase | |||||
| 7 | 220 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 | |||||
| 8 | 211 contacts → | ||||
Exact match “RJ Lee Group provides comprehensive laboratory testing and scientific consulting services.” 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 | 133 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 | |||||
| 12 | 129 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 | |||||
| 13 | 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 | |||||
| 14 | 106 contacts → | ||||
Exact match “For over 25 years, Sentinel-TDS, based in Dallas/Ft.” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase | |||||
| 15 | 78 contacts → | ||||
Exact match Recorded description not available. Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase | |||||
| 16 | 70 contacts → | ||||
Exact match “Texas OilTech Laboratories, is committed to remaining a world-class petroleum testing laboratory for the analysis of fuels, lubricants, petrochemical, and environmental materials.” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase | |||||
| 17 | 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 | |||||
| 18 | 57 contacts → | ||||
Exact match “Hickok has been in the business of developing and manufacturing tools and equipment for over 100 years.” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase | |||||
| 19 | 50 contacts → | ||||
Exact match “PES is an independent testing laboratory, specializing in mechanical, metallurgical, chemical and nondestructive testing and analysis.” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase | |||||
| 20 | 47 contacts → | ||||
Exact match “Since 1970, Michelson Laboratories has provided efficient testing and analyses to an extensive spectrum of customers.” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase | |||||
| 21 | 45 contacts → | ||||
Exact match Recorded description not available. Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase | |||||
| 22 | 44 contacts → | ||||
Exact match “For over 30 years, industry has been relying on RTI Laboratories as an analytical resource.” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase | |||||
| 23 | 40 contacts → | ||||
Exact match “Erthwrks provides air testing services for industry.” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase | |||||
| 24 | 39 contacts → | ||||
Exact match “Excel Engineering is a highly qualified and certified provider of testing services.” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase | |||||
| 25 | 38 contacts → | ||||
Exact match “Founded in 1986, LITE-CHECK was the first company to offer electronic testers for commercial trailers.” 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 “engine diagnostics testing services”. 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 352 engine diagnostics testing services based in the United States
See the full list, filter by size, metro and specialty, and access 2,424 tracked professional contacts with verified work emails. Direct dials are available where recorded.
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Engine diagnostics testing services based in the United States at a glance
As of Nov 6, 2026Companies by employee count
Email recency for this list is measured worldwide rather than for United States, so it is reported there. Company counts and contact totals on this page are exact for United States, over 352 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 “engine diagnostics 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. 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 2,424 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 “engine diagnostics testing services”; each Exact match badge shows search membership, not an individual similarity or quality score.
How many engine diagnostics testing services are there based in the United States?
RevenueBase identified 352 company matches for engine diagnostics testing 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?
Applied Technical Services, LLC tops the displayed preview by professional contacts tracked in RevenueBase. Recorded headquarters appear in the company rows.
Which city has the most engine diagnostics testing services?
Houston leads with 14 company records, followed by Atlanta (5) and Vancouver (5).
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 2,424 professional contacts with verified work emails tracked across these 352 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 352 engine diagnostics testing services based in the United States. Start with a free account, no credit card.
Download this list →Related lists
Engine diagnostics testing services by geography
- Engine diagnostics testing services based in Australia
- Engine diagnostics testing services based in Brazil
- Engine diagnostics testing services based in Canada
- Engine diagnostics testing services based in France
- Engine diagnostics testing services based in Germany
- Engine diagnostics testing services based in India
- Engine diagnostics testing services based in Italy
- Engine diagnostics testing services based in the United Kingdom
About this data
RevenueBase is a B2B data infrastructure company. Its company graph covers 60 million companies and 398.9 million professional contacts, with emails verified on a rolling cadence rather than scraped once and left to decay. These company lists are generated directly from that graph with RevenueBase SmartSearch, the same natural-language company search every RevenueBase user has: describe a market in plain words, get the companies that match, and add verified emails and direct dials for the people at them. It is the same data that powers RevenueBase's B2B data products, and a free account includes 500 credits to start. How these lists are built and judged.
More company lists
- All company lists
- Lists by location
- Lists A-Z
- New lists
- Engine diagnostics testing services based in Australia
- Engine diagnostics testing services based in Brazil
- Engine diagnostics testing services based in Canada
- Engine diagnostics testing services based in France
- Engine diagnostics testing services based in Germany
- Engine diagnostics testing services based in India
Company intelligence · public preview
Top 25 engine diagnostics testing services based in the United States
Find companies in any niche.
Describe the businesses you want in your own words. RevenueBase SmartSearch matches company descriptions by meaning.
RevenueBase records 352 matching company records for engine diagnostics testing services based in the United States, with 6,780 tracked contacts and 2,424 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 engine diagnostics testing services based in the United States
The public list shows selected company records with contact and verified-email coverage. Reported employee bands provide separate company-size context.
| # | Company | Headquarters on record | Reported employees | RevenueBase SmartSearch | Tracked contacts |
|---|---|---|---|---|---|
| 1 |  Applied Technical Services, LLCatslab.comHQ: Marietta, GA, United StatesReported employees: 1,001-5,000 | Marietta, GA, United States | 1,001-5,000 | Exact match | 961 contacts → |
“Applied Technical Services assists commercial and industrial clients by providing inspection, testing, consulting engineering, and calibration services.” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 2 |  Pace Analyticalpacelabs.comHQ: Minneapolis, MN, United StatesReported employees: 1,001-5,000 | Minneapolis, MN, United States | 1,001-5,000 | Exact match | 326 contacts → |
“Watch our video on the history and culture of Pace at https://goo.gl/L3ruD3 or get a more detailed look through our company brochure at https://goo.gl/feMDwU!” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 3 |  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. | |||||
| 4 |  Kett Engineering Corporationketteng.comHQ: Los Angeles, MI, United StatesReported employees: 501-1,000 | Los Angeles, MI, United States | 501-1,000 | Exact match | 287 contacts → |
“Kett Engineering Corporation has been operating for over 60 years and has spent the past 28 years dedicating its services to supporting the automotive testing and staffing needs…” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 5 |  Diesel Laptopsdiesellaptops.comHQ: Irmo, SC, United StatesReported employees: 51-200 | Irmo, SC, United States | 51-200 | Exact match | 278 contacts → |
“Diesel Laptops provides commercial truck efficiency solutions for truck repair facilities.” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 6 |  MGA Research Corporationmgaresearch.comHQ: Akron, VA, United StatesReported employees: 201-500 | Akron, VA, United States | 201-500 | Exact match | 238 contacts → |
“MGA is recognized worldwide as one of the leading independent providers of testing services and equipment.” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 7 |  Polaris Laboratoriespolarislabs.comHQ: Indianapolis, United StatesReported employees: 201-500 | Indianapolis, United States | 201-500 | Exact match | 220 contacts → |
“POLARIS Laboratories® can help you prevent maintenance failure.” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 8 |  RJ LEE Grouprjleegroup.comHQ: Pittsburgh, PA, United StatesReported employees: 201-500 | Pittsburgh, PA, United States | 201-500 | Exact match | 211 contacts → |
“RJ Lee Group provides comprehensive laboratory testing and scientific consulting services.” 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 |  HP Tunershptuners.comHQ: Buffalo Grove, IL, United StatesReported employees: 51-200 | Buffalo Grove, IL, United States | 51-200 | Exact match | 133 contacts → |
“HP Tuners, Connect, Read, Edit, Write, Drive… HP Tuners, the home of VCM Suite and the MPVI since 2003.” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 12 |  Airpro Diagnosticsairprodiagnostics.comHQ: Jacksonville, FL, United StatesReported employees: 201-500 | Jacksonville, FL, United States | 201-500 | Exact match | 129 contacts → |
“Complete end-to-end solutions for collision, glass, and repair shops.” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 13 |  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. | |||||
| 14 |  Technical Diagnostic Servicestdssolutions.comHQ: Fort Worth, TX, United StatesReported employees: 201-500 | Fort Worth, TX, United States | 201-500 | Exact match | 106 contacts → |
“For over 25 years, Sentinel-TDS, based in Dallas/Ft.” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 15 |  Phoenix Environmental Laboratories, INCphoenixlabs.comHQ: Manchester, CT, United StatesReported employees: 51-200 | Manchester, CT, United States | 51-200 | Exact match | 78 contacts → |
No recorded description excerpt is available for this public record. | |||||
| 16 |  Texas Oiltech Laboratoriestol-lp.comHQ: Houston, TX, United StatesReported employees: 51-200 | Houston, TX, United States | 51-200 | Exact match | 70 contacts → |
“Texas OilTech Laboratories, is committed to remaining a world-class petroleum testing laboratory for the analysis of fuels, lubricants, petrochemical, and environmental materials.” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 17 |  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. | |||||
| 18 |  Hickok Waekon, LLChickokwaekon.comHQ: Cleveland, MS, United StatesReported employees: 11-50 | Cleveland, MS, United States | 11-50 | Exact match | 57 contacts → |
“Hickok has been in the business of developing and manufacturing tools and equipment for over 100 years.” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 19 |  Product Evaluation Systems, LLCpes-testing.comHQ: Latrobe, PA, United StatesReported employees: 51-200 | Latrobe, PA, United States | 51-200 | Exact match | 50 contacts → |
“PES is an independent testing laboratory, specializing in mechanical, metallurgical, chemical and nondestructive testing and analysis.” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 20 |  Michelson Laboratories, INCmichelsonlab.comHQ: Commerce, CA, United StatesReported employees: 51-200 | Commerce, CA, United States | 51-200 | Exact match | 47 contacts → |
“Since 1970, Michelson Laboratories has provided efficient testing and analyses to an extensive spectrum of customers.” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 21 |  Mchale & Associates, INCmchale.comHQ: Redmond, TN, United StatesReported employees: 51-200 | Redmond, TN, United States | 51-200 | Exact match | 45 contacts → |
No recorded description excerpt is available for this public record. | |||||
| 22 |  RTI Laboratories, INCrtilab.comHQ: Livonia, MI, United StatesReported employees: 51-200 | Livonia, MI, United States | 51-200 | Exact match | 44 contacts → |
“For over 30 years, industry has been relying on RTI Laboratories as an analytical resource.” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 23 |  Erthwrks, LLCerthwrks.comHQ: Austin, TX, United StatesReported employees: 11-50 | Austin, TX, United States | 11-50 | Exact match | 40 contacts → |
“Erthwrks provides air testing services for industry.” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 24 |  Excel Engineeringexcelengineering.orgHQ: Diagonal, MI, United StatesReported employees: 51-200 | Diagonal, MI, United States | 51-200 | Exact match | 39 contacts → |
“Excel Engineering is a highly qualified and certified provider of testing services.” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 25 |  Lite-Checklite-check.comHQ: Spokane, United StatesReported employees: 11-50 | Spokane, United States | 11-50 | Exact match | 38 contacts → |
“Founded in 1986, LITE-CHECK was the first company to offer electronic testers for commercial trailers.” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
Showing 25 of 352 company matches
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Engine diagnostics testing services: 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
344 records in the displayed employee bands.
8 matching records are outside the displayed bands or do not have a displayed size. Bars show shares of the displayed bands.
Email recency for this list is measured worldwide rather than for United States, so it is reported there. Company counts and contact totals on this page are exact for United States, over 352 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 ↗
Questions about this company list
What does Exact match mean for engine diagnostics testing services?
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 engine diagnostics testing services did RevenueBase find based in the United States?
The saved snapshot records 352 matching company records, 6,780 tracked contacts and 2,424 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
Engine diagnostics testing services by geography
- Engine diagnostics testing services based in Australia
- Engine diagnostics testing services based in Brazil
- Engine diagnostics testing services based in Canada
- Engine diagnostics testing services based in France
- Engine diagnostics testing services based in Germany
- Engine diagnostics testing services based in India
- Engine diagnostics testing services based in Italy
- Engine diagnostics testing services based in the United Kingdom
Cite this list
RevenueBase Data Team. Top 25 engine diagnostics testing services based in the United States. Snapshot: November 6, 2026. https://revenuebase.ai/companies/engine-diagnostics-testing-services/united-states.
This is a selected public preview of saved company records, rather than an independently verified census. Open the source page ↗
More company lists
- All company lists
- Lists by location
- Lists A-Z
- New lists
- Engine diagnostics testing services based in Australia
- Engine diagnostics testing services based in Brazil
- Engine diagnostics testing services based in Canada
- Engine diagnostics testing services based in France
- Engine diagnostics testing services based in Germany
- Engine diagnostics testing services based in India
Company intelligence · public preview
Top 25 engine diagnostics testing services based in the United States
RevenueBase records 352 matching company records for engine diagnostics testing services based in the United States, with 6,780 tracked contacts and 2,424 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 engine diagnostics testing services based in the United States
The public list shows selected company records with contact and verified-email coverage. Reported employee bands provide separate company-size context.
| # | Company | Headquarters on record | Reported employees | RevenueBase SmartSearch | Tracked contacts |
|---|---|---|---|---|---|
| 1 | Applied Technical Services, LLCatslab.com HQ: Marietta, GA, United StatesReported employees: 1,001-5,000 | Marietta, GA, United States | 1,001-5,000 | Exact match | 961 contacts → |
“Applied Technical Services assists commercial and industrial clients by providing inspection, testing, consulting engineering, and calibration services.” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 2 | Pace Analyticalpacelabs.com HQ: Minneapolis, MN, United StatesReported employees: 1,001-5,000 | Minneapolis, MN, United States | 1,001-5,000 | Exact match | 326 contacts → |
“Watch our video on the history and culture of Pace at https://goo.gl/L3ruD3 or get a more detailed look through our company brochure at https://goo.gl/feMDwU!” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 3 | 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. | |||||
| 4 | Kett Engineering Corporationketteng.com HQ: Los Angeles, MI, United StatesReported employees: 501-1,000 | Los Angeles, MI, United States | 501-1,000 | Exact match | 287 contacts → |
“Kett Engineering Corporation has been operating for over 60 years and has spent the past 28 years dedicating its services to supporting the automotive testing and staffing needs…” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 5 | Diesel Laptopsdiesellaptops.com HQ: Irmo, SC, United StatesReported employees: 51-200 | Irmo, SC, United States | 51-200 | Exact match | 278 contacts → |
“Diesel Laptops provides commercial truck efficiency solutions for truck repair facilities.” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 6 | MGA Research Corporationmgaresearch.com HQ: Akron, VA, United StatesReported employees: 201-500 | Akron, VA, United States | 201-500 | Exact match | 238 contacts → |
“MGA is recognized worldwide as one of the leading independent providers of testing services and equipment.” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 7 | Polaris Laboratoriespolarislabs.com HQ: Indianapolis, United StatesReported employees: 201-500 | Indianapolis, United States | 201-500 | Exact match | 220 contacts → |
“POLARIS Laboratories® can help you prevent maintenance failure.” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 8 | RJ LEE Grouprjleegroup.com HQ: Pittsburgh, PA, United StatesReported employees: 201-500 | Pittsburgh, PA, United States | 201-500 | Exact match | 211 contacts → |
“RJ Lee Group provides comprehensive laboratory testing and scientific consulting services.” 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 | HP Tunershptuners.com HQ: Buffalo Grove, IL, United StatesReported employees: 51-200 | Buffalo Grove, IL, United States | 51-200 | Exact match | 133 contacts → |
“HP Tuners, Connect, Read, Edit, Write, Drive… HP Tuners, the home of VCM Suite and the MPVI since 2003.” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 12 | Airpro Diagnosticsairprodiagnostics.com HQ: Jacksonville, FL, United StatesReported employees: 201-500 | Jacksonville, FL, United States | 201-500 | Exact match | 129 contacts → |
“Complete end-to-end solutions for collision, glass, and repair shops.” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 13 | 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. | |||||
| 14 | Technical Diagnostic Servicestdssolutions.com HQ: Fort Worth, TX, United StatesReported employees: 201-500 | Fort Worth, TX, United States | 201-500 | Exact match | 106 contacts → |
“For over 25 years, Sentinel-TDS, based in Dallas/Ft.” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 15 | Phoenix Environmental Laboratories, INCphoenixlabs.com HQ: Manchester, CT, United StatesReported employees: 51-200 | Manchester, CT, United States | 51-200 | Exact match | 78 contacts → |
No recorded description excerpt is available for this public record. | |||||
| 16 | Texas Oiltech Laboratoriestol-lp.com HQ: Houston, TX, United StatesReported employees: 51-200 | Houston, TX, United States | 51-200 | Exact match | 70 contacts → |
“Texas OilTech Laboratories, is committed to remaining a world-class petroleum testing laboratory for the analysis of fuels, lubricants, petrochemical, and environmental materials.” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 17 | 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. | |||||
| 18 | Hickok Waekon, LLChickokwaekon.com HQ: Cleveland, MS, United StatesReported employees: 11-50 | Cleveland, MS, United States | 11-50 | Exact match | 57 contacts → |
“Hickok has been in the business of developing and manufacturing tools and equipment for over 100 years.” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 19 | Product Evaluation Systems, LLCpes-testing.com HQ: Latrobe, PA, United StatesReported employees: 51-200 | Latrobe, PA, United States | 51-200 | Exact match | 50 contacts → |
“PES is an independent testing laboratory, specializing in mechanical, metallurgical, chemical and nondestructive testing and analysis.” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 20 | Michelson Laboratories, INCmichelsonlab.com HQ: Commerce, CA, United StatesReported employees: 51-200 | Commerce, CA, United States | 51-200 | Exact match | 47 contacts → |
“Since 1970, Michelson Laboratories has provided efficient testing and analyses to an extensive spectrum of customers.” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 21 | Mchale & Associates, INCmchale.com HQ: Redmond, TN, United StatesReported employees: 51-200 | Redmond, TN, United States | 51-200 | Exact match | 45 contacts → |
No recorded description excerpt is available for this public record. | |||||
| 22 | RTI Laboratories, INCrtilab.com HQ: Livonia, MI, United StatesReported employees: 51-200 | Livonia, MI, United States | 51-200 | Exact match | 44 contacts → |
“For over 30 years, industry has been relying on RTI Laboratories as an analytical resource.” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 23 | Erthwrks, LLCerthwrks.com HQ: Austin, TX, United StatesReported employees: 11-50 | Austin, TX, United States | 11-50 | Exact match | 40 contacts → |
“Erthwrks provides air testing services for industry.” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 24 | Excel Engineeringexcelengineering.org HQ: Diagonal, MI, United StatesReported employees: 51-200 | Diagonal, MI, United States | 51-200 | Exact match | 39 contacts → |
“Excel Engineering is a highly qualified and certified provider of testing services.” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 25 | Lite-Checklite-check.com HQ: Spokane, United StatesReported employees: 11-50 | Spokane, United States | 11-50 | Exact match | 38 contacts → |
“Founded in 1986, LITE-CHECK was the first company to offer electronic testers for commercial trailers.” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
Showing 25 of 352 company matches
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Engine diagnostics testing services: 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
344 records in the displayed employee bands.
8 matching records are outside the displayed bands or do not have a displayed size. Bars show shares of the displayed bands.
Email recency for this list is measured worldwide rather than for United States, so it is reported there. Company counts and contact totals on this page are exact for United States, over 352 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 ↗
Questions about this company list
What does Exact match mean for engine diagnostics testing services?
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 engine diagnostics testing services did RevenueBase find based in the United States?
The saved snapshot records 352 matching company records, 6,780 tracked contacts and 2,424 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
Engine diagnostics testing services by geography
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- Engine diagnostics testing services based in Italy
- Engine diagnostics testing services based in the United Kingdom
Cite this list
RevenueBase Data Team. Top 25 engine diagnostics testing services based in the United States. Snapshot: November 6, 2026. https://revenuebase.ai/companies/engine-diagnostics-testing-services/united-states.
This is a selected public preview of saved company records, rather than an independently verified census. Open the source page ↗
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- Engine diagnostics testing services based in Australia
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