Company lists · Data refreshed September 2026
Top 25 Automotive testing suppliers based in the United States
RevenueBase identified 181 company matches for automotive testing suppliers associated with the United States as of September 2026 and tracks 7,966 professional contacts across them, including 2,440 with verified work emails. Houston is the largest hub.
This list covers company matches for automotive testing suppliers 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 September 30, 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 automotive testing suppliers based in the United States
Ranked by team size| # | Company | Contacts | |||
|---|---|---|---|---|---|
| 1 | 1,553 contacts → | ||||
Exact match “Stratosphere Quality, founded in 2009, is a major global provider of quality assurance and outsourcing solutions, such as sorting and inspection services, to manufacturers of…” Recorded in the RevenueBase company graph · Sep 30, 2026 · View company records in RevenueBase | |||||
| 2 | 890 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 · Sep 30, 2026 · View company records in RevenueBase | |||||
| 3 | 712 contacts → | ||||
Exact match “TÜV Rheinland is a world leader in testing, inspection and certification services for a wide variety of industries.” Recorded in the RevenueBase company graph · Sep 30, 2026 · View company records in RevenueBase | |||||
| 4 | 476 contacts → | ||||
Exact match “Vayan Group, LLC is a leading provider of technology-driven quality assurance solutions for OEMs, Tier 1 and Tier 2 suppliers across the automotive, aerospace, electronics…” Recorded in the RevenueBase company graph · Sep 30, 2026 · View company records in RevenueBase | |||||
| 5 | 310 contacts → | ||||
Exact match “Founded in 1925 and headquartered in Akron, Ohio, Smithers is a multinational provider of testing, consulting, information, and certification services.” Recorded in the RevenueBase company graph · Sep 30, 2026 · View company records in RevenueBase | |||||
| 6 | 250 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 · Sep 30, 2026 · View company records in RevenueBase | |||||
| 7 | 224 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 · Sep 30, 2026 · View company records in RevenueBase | |||||
| 8 | 223 contacts → | ||||
Exact match “Building on its history of leadership in the automotive industry, Burke Porter is now an Ascential Technologies company.” Recorded in the RevenueBase company graph · Sep 30, 2026 · View company records in RevenueBase | |||||
| 9 | 211 contacts → | ||||
Exact match “Pro QC International provides tailored quality solutions with a human touch in 100 countries.” Recorded in the RevenueBase company graph · Sep 30, 2026 · View company records in RevenueBase | |||||
| 10 | 157 contacts → | ||||
Exact match “QualityLogic delivers full spectrum QA products and services to technology companies in rapidly evolving markets, or where transformative technologies are changing the world.” Recorded in the RevenueBase company graph · Sep 30, 2026 · View company records in RevenueBase | |||||
| 11 | 154 contacts → | ||||
Exact match “Trialon is now Element!” Recorded in the RevenueBase company graph · Sep 30, 2026 · View company records in RevenueBase | |||||
| 12 | 153 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 · Sep 30, 2026 · View company records in RevenueBase | |||||
| 13 | 145 contacts → | ||||
Exact match “Intrepid Control Systems is a global provider of Innovative Vehicle Network and Embedded tools.” Recorded in the RevenueBase company graph · Sep 30, 2026 · View company records in RevenueBase | |||||
| 14 | 129 contacts → | ||||
Exact match “Circuit Check is a leading provider of automated test systems and test fixtures for complex electronic products for the automotive, military/aerospace, medical, industrial, and…” Recorded in the RevenueBase company graph · Sep 30, 2026 · View company records in RevenueBase | |||||
| 15 | 112 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 · Sep 30, 2026 · View company records in RevenueBase | |||||
| 16 | 103 contacts → | ||||
Exact match “Millbrook provides vehicle test and validation services and systems to customers in the automotive, transport, tyre, petrochemical and defence industries.” Recorded in the RevenueBase company graph · Sep 30, 2026 · View company records in RevenueBase | |||||
| 17 | 83 contacts → | ||||
Exact match “Sustained Quality has been a trusted partner in quality since 2007, delivering inspection, sorting, rework/repair, engineering, and containment services to the automotive…” Recorded in the RevenueBase company graph · Sep 30, 2026 · View company records in RevenueBase | |||||
| 18 | 70 contacts → | ||||
Exact match “TRP Laboratories provides standard and custom testing services across the United States.” Recorded in the RevenueBase company graph · Sep 30, 2026 · View company records in RevenueBase | |||||
| 19 | 68 contacts → | ||||
Exact match “AIR HYGIENE is known for providing professional services which include the following:* Providing superior, cost saving services to our clients!* High quality emission testing…” Recorded in the RevenueBase company graph · Sep 30, 2026 · View company records in RevenueBase | |||||
| 20 | 59 contacts → | ||||
Exact match “Welcome to ZwickRoell in North America ZwickRoell is committed to helping you improve the performance and safety of your products.” Recorded in the RevenueBase company graph · Sep 30, 2026 · View company records in RevenueBase | |||||
| 21 | 58 contacts → | ||||
Exact match “DG Technologies (formerly Dearborn Group) is a value leader in vehicle network solutions for in-vehicle and controller area networks providing diagnostic, reprogramming…” Recorded in the RevenueBase company graph · Sep 30, 2026 · View company records in RevenueBase | |||||
| 22 | 48 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 · Sep 30, 2026 · View company records in RevenueBase | |||||
| 23 | 45 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 · Sep 30, 2026 · View company records in RevenueBase | |||||
| 24 | 45 contacts → | ||||
Exact match “Since 1996, Bay Area Compliance Laboratories Corp.” Recorded in the RevenueBase company graph · Sep 30, 2026 · View company records in RevenueBase | |||||
| 25 | 38 contacts → | ||||
Exact match “Excel Engineering is a highly qualified and certified provider of testing services.” Recorded in the RevenueBase company graph · Sep 30, 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 “automotive testing suppliers”. 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 181 automotive testing suppliers based in the United States
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Automotive testing suppliers based in the United States at a glance
As of Sep 30, 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 181 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 “automotive testing suppliers” 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 2,440 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 September 30, 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 “automotive testing suppliers”; each Exact match badge shows search membership, not an individual similarity or quality score.
How many automotive testing suppliers are there based in the United States?
RevenueBase identified 181 company matches for automotive testing suppliers associated with the United States as of September 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?
Stratosphere Quality tops the displayed preview by professional contacts tracked in RevenueBase. Recorded headquarters appear in the company rows.
Which city has the most automotive testing suppliers?
Houston leads with 5 company records, followed by Auburn Hills (4) and Wixom (4).
How do I get contact information for these companies?
A free RevenueBase account lets you run this exact search and work limited free results with 500 credits to start. Upgrading provides access to the 2,440 professional contacts with verified work emails tracked across these 181 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 September 30, 2026.
Ready to reach these companies? Verified emails and direct dials for all 181 automotive testing suppliers based in the United States. Start with a free account, no credit card.
Download this list →Related lists
Automotive testing suppliers by geography
- Automotive testing suppliers based in Brazil
- Automotive testing suppliers based in Canada
- Automotive testing suppliers based in France
- Automotive testing suppliers based in Germany
- Automotive testing suppliers based in India
- Automotive testing suppliers based in Italy
- Automotive testing suppliers based in Spain
- Automotive testing suppliers based in Türkiye
- Automotive testing suppliers 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
- Automotive testing suppliers based in Brazil
- Automotive testing suppliers based in Canada
- Automotive testing suppliers based in France
- Automotive testing suppliers based in Germany
- Automotive testing suppliers based in India
- Automotive testing suppliers based in Italy
Company intelligence · public preview
Top 25 automotive testing suppliers 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 181 matching company records for automotive testing suppliers based in the United States, with 7,966 tracked contacts and 2,440 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: September 30, 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 automotive testing suppliers 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 |  Stratosphere Qualitystratospherequality.comHQ: Fishers, IN, United StatesReported employees: 1,001-5,000 | Fishers, IN, United States | 1,001-5,000 | Exact match | 1,553 contacts → |
“Stratosphere Quality, founded in 2009, is a major global provider of quality assurance and outsourcing solutions, such as sorting and inspection services, to manufacturers of…” Recorded description excerpt · September 30, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 2 |  Applied Technical Services, LLCatslab.comHQ: Marietta, GA, United StatesReported employees: 1,001-5,000 | Marietta, GA, United States | 1,001-5,000 | Exact match | 890 contacts → |
“Applied Technical Services assists commercial and industrial clients by providing inspection, testing, consulting engineering, and calibration services.” Recorded description excerpt · September 30, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 3 |  TÜV Rheinland North Americatuv.comHQ: Boxborough, MA, United StatesReported employees: 501-1,000 | Boxborough, MA, United States | 501-1,000 | Exact match | 712 contacts → |
“TÜV Rheinland is a world leader in testing, inspection and certification services for a wide variety of industries.” Recorded description excerpt · September 30, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 4 |  Vayan Group, LLCvayangroup.comHQ: Sterling Heights, MI, United StatesReported employees: 1,001-5,000 | Sterling Heights, MI, United States | 1,001-5,000 | Exact match | 476 contacts → |
“Vayan Group, LLC is a leading provider of technology-driven quality assurance solutions for OEMs, Tier 1 and Tier 2 suppliers across the automotive, aerospace, electronics…” Recorded description excerpt · September 30, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 5 | Smitherssmithers.com HQ: Akron, OH, United StatesReported employees: 501-1,000 | Akron, OH, United States | 501-1,000 | Exact match | 310 contacts → |
“Founded in 1925 and headquartered in Akron, Ohio, Smithers is a multinational provider of testing, consulting, information, and certification services.” Recorded description excerpt · September 30, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 6 |  Kett Engineering Corporationketteng.comHQ: Los Angeles, CA, United StatesReported employees: 501-1,000 | Los Angeles, CA, United States | 501-1,000 | Exact match | 250 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 · September 30, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 7 |  MGA Research Corporationmgaresearch.comHQ: Akron, NY, United StatesReported employees: 201-500 | Akron, NY, United States | 201-500 | Exact match | 224 contacts → |
“MGA is recognized worldwide as one of the leading independent providers of testing services and equipment.” Recorded description excerpt · September 30, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 8 |  Burke Porter, An Ascential Technologies Brandascentialtech.comHQ: Grand Rapids, MI, United StatesReported employees: 201-500 | Grand Rapids, MI, United States | 201-500 | Exact match | 223 contacts → |
“Building on its history of leadership in the automotive industry, Burke Porter is now an Ascential Technologies company.” Recorded description excerpt · September 30, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 9 |  PRO QC Internationalproqc.comHQ: Mchenry, IL, United StatesReported employees: 501-1,000 | Mchenry, IL, United States | 501-1,000 | Exact match | 211 contacts → |
“Pro QC International provides tailored quality solutions with a human touch in 100 countries.” Recorded description excerpt · September 30, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 10 |  Qualitylogicqualitylogic.comHQ: Boise, ID, United StatesReported employees: 51-200 | Boise, ID, United States | 51-200 | Exact match | 157 contacts → |
“QualityLogic delivers full spectrum QA products and services to technology companies in rapidly evolving markets, or where transformative technologies are changing the world.” Recorded description excerpt · September 30, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 11 | Trialon Corporationelement.com HQ: Burton, MI, United StatesReported employees: 501-1,000 | Burton, MI, United States | 501-1,000 | Exact match | 154 contacts → |
“Trialon is now Element!” Recorded description excerpt · September 30, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 12 |  Innova Electronics Corpinnova.comHQ: Irvine, CA, United StatesReported employees: 51-200 | Irvine, CA, United States | 51-200 | Exact match | 153 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 · September 30, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 13 |  Intrepid Control Systemsintrepidcs.comHQ: Troy, MI, United StatesReported employees: 201-500 | Troy, MI, United States | 201-500 | Exact match | 145 contacts → |
“Intrepid Control Systems is a global provider of Innovative Vehicle Network and Embedded tools.” Recorded description excerpt · September 30, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 14 |  Circuit Check INCcircuitcheck.comHQ: Maple Grove, MN, United StatesReported employees: 201-500 | Maple Grove, MN, United States | 201-500 | Exact match | 129 contacts → |
“Circuit Check is a leading provider of automated test systems and test fixtures for complex electronic products for the automotive, military/aerospace, medical, industrial, and…” Recorded description excerpt · September 30, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 15 |  A&d Technologyaanddtech.comHQ: Ann Arbor, MI, United StatesReported employees: 51-200 | Ann Arbor, MI, United States | 51-200 | Exact match | 112 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 · September 30, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 16 | Millbrookutac.com HQ: Livonia, MI, United StatesReported employees: 501-1,000 | Livonia, MI, United States | 501-1,000 | Exact match | 103 contacts → |
“Millbrook provides vehicle test and validation services and systems to customers in the automotive, transport, tyre, petrochemical and defence industries.” Recorded description excerpt · September 30, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 17 |  Sustained Qualitysustained-quality.comHQ: South Bend, IN, United StatesReported employees: 51-200 | South Bend, IN, United States | 51-200 | Exact match | 83 contacts → |
“Sustained Quality has been a trusted partner in quality since 2007, delivering inspection, sorting, rework/repair, engineering, and containment services to the automotive…” Recorded description excerpt · September 30, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 18 |  TRP Laboratoriestrplabs.comHQ: Troy, MI, United StatesReported employees: 51-200 | Troy, MI, United States | 51-200 | Exact match | 70 contacts → |
“TRP Laboratories provides standard and custom testing services across the United States.” Recorded description excerpt · September 30, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 19 |  AIR Hygiene International, INCairhygiene.comHQ: Tulsa, United StatesReported employees: 11-50 | Tulsa, United States | 11-50 | Exact match | 68 contacts → |
“AIR HYGIENE is known for providing professional services which include the following:* Providing superior, cost saving services to our clients!* High quality emission testing…” Recorded description excerpt · September 30, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 20 |  Zwickroell In North Americazwickroell.comHQ: Kennesaw, GA, United StatesReported employees: 1,001-5,000 | Kennesaw, GA, United States | 1,001-5,000 | Exact match | 59 contacts → |
“Welcome to ZwickRoell in North America ZwickRoell is committed to helping you improve the performance and safety of your products.” Recorded description excerpt · September 30, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 21 | DG Technologiesdgtech.com HQ: Farmington Hills, MI, United StatesReported employees: 11-50 | Farmington Hills, MI, United States | 11-50 | Exact match | 58 contacts → |
“DG Technologies (formerly Dearborn Group) is a value leader in vehicle network solutions for in-vehicle and controller area networks providing diagnostic, reprogramming…” Recorded description excerpt · September 30, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 22 | Product Evaluation Systems, LLCpes-testing.com HQ: Latrobe, PA, United StatesReported employees: 51-200 | Latrobe, PA, United States | 51-200 | Exact match | 48 contacts → |
“PES is an independent testing laboratory, specializing in mechanical, metallurgical, chemical and nondestructive testing and analysis.” Recorded description excerpt · September 30, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 23 | Michelson Laboratories, INCmichelsonlab.com HQ: Commerce, CA, United StatesReported employees: 51-200 | Commerce, CA, United States | 51-200 | Exact match | 45 contacts → |
“Since 1970, Michelson Laboratories has provided efficient testing and analyses to an extensive spectrum of customers.” Recorded description excerpt · September 30, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 24 | BAY Area Compliance Laboratories, Corpbaclcorp.com HQ: Sunnyvale, CA, United StatesReported employees: 11-50 | Sunnyvale, CA, United States | 11-50 | Exact match | 45 contacts → |
“Since 1996, Bay Area Compliance Laboratories Corp.” Recorded description excerpt · September 30, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 25 | Excel Engineeringexcelengineering.org HQ: Diagonal, IA, United StatesReported employees: 51-200 | Diagonal, IA, United States | 51-200 | Exact match | 38 contacts → |
“Excel Engineering is a highly qualified and certified provider of testing services.” Recorded description excerpt · September 30, 2026Open company data in RevenueBase ↗Free signup required. | |||||
Showing 25 of 181 company matches
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Automotive testing suppliers: dataset insights
September 30, 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
180 records in the displayed employee bands.
1 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 181 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: September 30, 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 automotive testing suppliers?
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 automotive testing suppliers did RevenueBase find based in the United States?
The saved snapshot records 181 matching company records, 7,966 tracked contacts and 2,440 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: September 30, 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
Automotive testing suppliers by geography
- Automotive testing suppliers based in Brazil
- Automotive testing suppliers based in Canada
- Automotive testing suppliers based in France
- Automotive testing suppliers based in Germany
- Automotive testing suppliers based in India
- Automotive testing suppliers based in Italy
- Automotive testing suppliers based in Spain
- Automotive testing suppliers based in Türkiye
- Automotive testing suppliers based in the United Kingdom
Cite this list
RevenueBase Data Team. Top 25 automotive testing suppliers based in the United States. Snapshot: September 30, 2026. https://revenuebase.ai/companies/automotive-testing-suppliers/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
- Automotive testing suppliers based in Brazil
- Automotive testing suppliers based in Canada
- Automotive testing suppliers based in France
- Automotive testing suppliers based in Germany
- Automotive testing suppliers based in India
- Automotive testing suppliers based in Italy
Company intelligence · public preview
Top 25 automotive testing suppliers based in the United States
RevenueBase records 181 matching company records for automotive testing suppliers based in the United States, with 7,966 tracked contacts and 2,440 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: September 30, 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 automotive testing suppliers 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 | Stratosphere Qualitystratospherequality.com HQ: Fishers, IN, United StatesReported employees: 1,001-5,000 | Fishers, IN, United States | 1,001-5,000 | Exact match | 1,553 contacts → |
“Stratosphere Quality, founded in 2009, is a major global provider of quality assurance and outsourcing solutions, such as sorting and inspection services, to manufacturers of…” Recorded description excerpt · September 30, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 2 | 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 | 890 contacts → |
“Applied Technical Services assists commercial and industrial clients by providing inspection, testing, consulting engineering, and calibration services.” Recorded description excerpt · September 30, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 3 | TÜV Rheinland North Americatuv.com HQ: Boxborough, MA, United StatesReported employees: 501-1,000 | Boxborough, MA, United States | 501-1,000 | Exact match | 712 contacts → |
“TÜV Rheinland is a world leader in testing, inspection and certification services for a wide variety of industries.” Recorded description excerpt · September 30, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 4 | Vayan Group, LLCvayangroup.com HQ: Sterling Heights, MI, United StatesReported employees: 1,001-5,000 | Sterling Heights, MI, United States | 1,001-5,000 | Exact match | 476 contacts → |
“Vayan Group, LLC is a leading provider of technology-driven quality assurance solutions for OEMs, Tier 1 and Tier 2 suppliers across the automotive, aerospace, electronics…” Recorded description excerpt · September 30, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 5 | Smitherssmithers.com HQ: Akron, OH, United StatesReported employees: 501-1,000 | Akron, OH, United States | 501-1,000 | Exact match | 310 contacts → |
“Founded in 1925 and headquartered in Akron, Ohio, Smithers is a multinational provider of testing, consulting, information, and certification services.” Recorded description excerpt · September 30, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 6 | Kett Engineering Corporationketteng.com HQ: Los Angeles, CA, United StatesReported employees: 501-1,000 | Los Angeles, CA, United States | 501-1,000 | Exact match | 250 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 · September 30, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 7 | MGA Research Corporationmgaresearch.com HQ: Akron, NY, United StatesReported employees: 201-500 | Akron, NY, United States | 201-500 | Exact match | 224 contacts → |
“MGA is recognized worldwide as one of the leading independent providers of testing services and equipment.” Recorded description excerpt · September 30, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 8 | Burke Porter, An Ascential Technologies Brandascentialtech.com HQ: Grand Rapids, MI, United StatesReported employees: 201-500 | Grand Rapids, MI, United States | 201-500 | Exact match | 223 contacts → |
“Building on its history of leadership in the automotive industry, Burke Porter is now an Ascential Technologies company.” Recorded description excerpt · September 30, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 9 | PRO QC Internationalproqc.com HQ: Mchenry, IL, United StatesReported employees: 501-1,000 | Mchenry, IL, United States | 501-1,000 | Exact match | 211 contacts → |
“Pro QC International provides tailored quality solutions with a human touch in 100 countries.” Recorded description excerpt · September 30, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 10 | Qualitylogicqualitylogic.com HQ: Boise, ID, United StatesReported employees: 51-200 | Boise, ID, United States | 51-200 | Exact match | 157 contacts → |
“QualityLogic delivers full spectrum QA products and services to technology companies in rapidly evolving markets, or where transformative technologies are changing the world.” Recorded description excerpt · September 30, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 11 | Trialon Corporationelement.com HQ: Burton, MI, United StatesReported employees: 501-1,000 | Burton, MI, United States | 501-1,000 | Exact match | 154 contacts → |
“Trialon is now Element!” Recorded description excerpt · September 30, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 12 | Innova Electronics Corpinnova.com HQ: Irvine, CA, United StatesReported employees: 51-200 | Irvine, CA, United States | 51-200 | Exact match | 153 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 · September 30, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 13 | Intrepid Control Systemsintrepidcs.com HQ: Troy, MI, United StatesReported employees: 201-500 | Troy, MI, United States | 201-500 | Exact match | 145 contacts → |
“Intrepid Control Systems is a global provider of Innovative Vehicle Network and Embedded tools.” Recorded description excerpt · September 30, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 14 | Circuit Check INCcircuitcheck.com HQ: Maple Grove, MN, United StatesReported employees: 201-500 | Maple Grove, MN, United States | 201-500 | Exact match | 129 contacts → |
“Circuit Check is a leading provider of automated test systems and test fixtures for complex electronic products for the automotive, military/aerospace, medical, industrial, and…” Recorded description excerpt · September 30, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 15 | A&d Technologyaanddtech.com HQ: Ann Arbor, MI, United StatesReported employees: 51-200 | Ann Arbor, MI, United States | 51-200 | Exact match | 112 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 · September 30, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 16 | Millbrookutac.com HQ: Livonia, MI, United StatesReported employees: 501-1,000 | Livonia, MI, United States | 501-1,000 | Exact match | 103 contacts → |
“Millbrook provides vehicle test and validation services and systems to customers in the automotive, transport, tyre, petrochemical and defence industries.” Recorded description excerpt · September 30, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 17 | Sustained Qualitysustained-quality.com HQ: South Bend, IN, United StatesReported employees: 51-200 | South Bend, IN, United States | 51-200 | Exact match | 83 contacts → |
“Sustained Quality has been a trusted partner in quality since 2007, delivering inspection, sorting, rework/repair, engineering, and containment services to the automotive…” Recorded description excerpt · September 30, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 18 | TRP Laboratoriestrplabs.com HQ: Troy, MI, United StatesReported employees: 51-200 | Troy, MI, United States | 51-200 | Exact match | 70 contacts → |
“TRP Laboratories provides standard and custom testing services across the United States.” Recorded description excerpt · September 30, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 19 | AIR Hygiene International, INCairhygiene.com HQ: Tulsa, United StatesReported employees: 11-50 | Tulsa, United States | 11-50 | Exact match | 68 contacts → |
“AIR HYGIENE is known for providing professional services which include the following:* Providing superior, cost saving services to our clients!* High quality emission testing…” Recorded description excerpt · September 30, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 20 | Zwickroell In North Americazwickroell.com HQ: Kennesaw, GA, United StatesReported employees: 1,001-5,000 | Kennesaw, GA, United States | 1,001-5,000 | Exact match | 59 contacts → |
“Welcome to ZwickRoell in North America ZwickRoell is committed to helping you improve the performance and safety of your products.” Recorded description excerpt · September 30, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 21 | DG Technologiesdgtech.com HQ: Farmington Hills, MI, United StatesReported employees: 11-50 | Farmington Hills, MI, United States | 11-50 | Exact match | 58 contacts → |
“DG Technologies (formerly Dearborn Group) is a value leader in vehicle network solutions for in-vehicle and controller area networks providing diagnostic, reprogramming…” Recorded description excerpt · September 30, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 22 | Product Evaluation Systems, LLCpes-testing.com HQ: Latrobe, PA, United StatesReported employees: 51-200 | Latrobe, PA, United States | 51-200 | Exact match | 48 contacts → |
“PES is an independent testing laboratory, specializing in mechanical, metallurgical, chemical and nondestructive testing and analysis.” Recorded description excerpt · September 30, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 23 | Michelson Laboratories, INCmichelsonlab.com HQ: Commerce, CA, United StatesReported employees: 51-200 | Commerce, CA, United States | 51-200 | Exact match | 45 contacts → |
“Since 1970, Michelson Laboratories has provided efficient testing and analyses to an extensive spectrum of customers.” Recorded description excerpt · September 30, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 24 | BAY Area Compliance Laboratories, Corpbaclcorp.com HQ: Sunnyvale, CA, United StatesReported employees: 11-50 | Sunnyvale, CA, United States | 11-50 | Exact match | 45 contacts → |
“Since 1996, Bay Area Compliance Laboratories Corp.” Recorded description excerpt · September 30, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 25 | Excel Engineeringexcelengineering.org HQ: Diagonal, IA, United StatesReported employees: 51-200 | Diagonal, IA, United States | 51-200 | Exact match | 38 contacts → |
“Excel Engineering is a highly qualified and certified provider of testing services.” Recorded description excerpt · September 30, 2026Open company data in RevenueBase ↗Free signup required. | |||||
Showing 25 of 181 company matches
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Automotive testing suppliers: dataset insights
September 30, 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
180 records in the displayed employee bands.
1 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 181 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: September 30, 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 automotive testing suppliers?
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 automotive testing suppliers did RevenueBase find based in the United States?
The saved snapshot records 181 matching company records, 7,966 tracked contacts and 2,440 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: September 30, 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
Automotive testing suppliers by geography
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- Automotive testing suppliers based in Germany
- Automotive testing suppliers based in India
- Automotive testing suppliers based in Italy
- Automotive testing suppliers based in Spain
- Automotive testing suppliers based in Türkiye
- Automotive testing suppliers based in the United Kingdom
Cite this list
RevenueBase Data Team. Top 25 automotive testing suppliers based in the United States. Snapshot: September 30, 2026. https://revenuebase.ai/companies/automotive-testing-suppliers/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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