Company lists · Data refreshed September 2026
Top 25 Automotive supplier quality auditors worldwide
RevenueBase identified 226 automotive supplier quality auditors worldwide as of September 2026 and tracks 6,973 professional contacts across them, including 1,222 with verified work emails and 0 with mobile numbers. The United States is the largest market and Pune the largest hub.
This list covers automotive supplier quality auditors worldwide, matched on what each company actually does as described in its own words. Ranked by team size, largest first. Every row shows the company's own description, its RevenueBase Smart Search rating, and when it was last checked. Data refreshed September 16, 2026. Country and city lists for automotive supplier quality auditors follow the table.
Published by RevenueBase, a B2B data infrastructure company. This list was built with RevenueBase Smart Search, 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 supplier quality auditors worldwide
Ranked by team size| # | Company | Contacts | |||
|---|---|---|---|---|---|
| 1 | 1,553 contacts → | ||||
Partial evidence “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…” Source: RevenueBase Database · checked Sep 16, 2026Thanks. The Data Team will review it. | |||||
| 2 | 574 contacts → | ||||
Strong evidence “Interface Microsystems are leading suppliers of automotive electronics.” Source: RevenueBase Database · checked Sep 16, 2026Thanks. The Data Team will review it. | |||||
| 3 | 476 contacts → | ||||
Strong evidence “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…” Source: RevenueBase Database · checked Sep 16, 2026Thanks. The Data Team will review it. | |||||
| 4 | 384 contacts → | ||||
Indirect evidence “Established in year 1998, a 60:40 JV- Machino TSK Nippon Cables and became 100% subsidiary of HI-LEX Corporation Japan Formerly Nippon Cable System Inc.” Source: RevenueBase Database · checked Sep 16, 2026Thanks. The Data Team will review it. | |||||
| 5 | 211 contacts → | ||||
Partial evidence “Pro QC International provides tailored quality solutions with a human touch in 100 countries.” Source: RevenueBase Database · checked Sep 16, 2026Thanks. The Data Team will review it. | |||||
| 6 | 181 contacts → | ||||
Strong evidence “National leader as provider of quality services in the automotive industry.” Source: RevenueBase Database · checked Sep 16, 2026Thanks. The Data Team will review it. | |||||
| 7 | 152 contacts → | ||||
Indirect evidence “India Forge was founded in 1960 as a Tier-I manufacturer of forgings to serve the automobile and heavy industry.” Source: RevenueBase Database · checked Sep 16, 2026Thanks. The Data Team will review it. | |||||
| 8 | 132 contacts → | ||||
Indirect evidence “We're there, so our customers don’t have to be.” Source: RevenueBase Database · checked Sep 16, 2026Thanks. The Data Team will review it. | |||||
| 9 | 109 contacts → | ||||
Strong evidence “We, the redi-Group, are a global provider of project- and quality management services in the automotive- and other quality-oriented industries.” Source: RevenueBase Database · checked Sep 16, 2026Thanks. The Data Team will review it. | |||||
| 10 | 86 contacts → | ||||
Partial evidence “As a globally accredited testing service provider, we specialize in validation and consulting in the automotive industry.” Source: RevenueBase Database · checked Sep 16, 2026Thanks. The Data Team will review it. | |||||
| 11 | 83 contacts → | ||||
Strong evidence “Sustained Quality has been a trusted partner in quality since 2007, delivering inspection, sorting, rework/repair, engineering, and containment services to the automotive…” Source: RevenueBase Database · checked Sep 16, 2026Thanks. The Data Team will review it. | |||||
| 12 | 80 contacts → | ||||
Indirect evidence “Since 1994, EAGLE has built an excellent reputation by providing third party auditing services that are objective and value-added.” Source: RevenueBase Database · checked Sep 16, 2026Thanks. The Data Team will review it. | |||||
| 13 | 54 contacts → | ||||
Partial evidence “Viking Products is a privately held IATF 16949/ISO 14001 certified supplier.” Source: RevenueBase Database · checked Sep 16, 2026Thanks. The Data Team will review it. | |||||
| 14 | 47 contacts → | ||||
Partial evidence “Kumar Exports - India is an automotive company based out of CASTING DIVISION C-179, Focal Point,Phase VI, LUDHIANA, Punjab, India, India.” Source: RevenueBase Database · checked Sep 16, 2026Thanks. The Data Team will review it. | |||||
| 15 | 43 contacts → | ||||
Partial evidence “SIIMEX is one of the largest provider of quality assurance and offshoring personnel services within the Mexican Republic, we have 20 years providing our services to the largest…” Source: RevenueBase Database · checked Sep 16, 2026Thanks. The Data Team will review it. | |||||
| 16 | 31 contacts → | ||||
Partial evidence “Our organization is committed to achieve customer satisfaction by manufacturing and supplying of products with Quality, Cost effectivity, Timely delivery through continual…” Source: RevenueBase Database · checked Sep 16, 2026Thanks. The Data Team will review it. | |||||
| 17 | 30 contacts → | ||||
Indirect evidence “HPGC Pvt Ltd is into Training,Consulting & auditing which includes IATF 16949,ISO 14001,ISO 45001,VDA 6.3Problem solving,TPM,Lean,7 QC tools,” Source: RevenueBase Database · checked Sep 16, 2026Thanks. The Data Team will review it. | |||||
| 18 | 27 contacts → | ||||
Strong evidence “Lindinger Inspection Engineers is a global provider of Supplier Quality Surveillance Inspection and Expediting services.” Source: RevenueBase Database · checked Sep 16, 2026Thanks. The Data Team will review it. | |||||
| 19 | 25 contacts → | ||||
Indirect evidence “Stillstand, Eskalation, Null-Fehler-Anforderung.” Source: RevenueBase Database · checked Sep 16, 2026Thanks. The Data Team will review it. | |||||
| 20 | 23 contacts → | ||||
Strong evidence “International Quality Control started out in 1998 and since has grown in both domestic and global markets to help serve the Automotive Industry’s quality needs.” Source: RevenueBase Database · checked Sep 16, 2026Thanks. The Data Team will review it. | |||||
| 21 | 23 contacts → | ||||
Indirect evidence “Somos una empresa sorteadora dedicada a prestar servicios de aseguramiento de calidad a través de inspecciones y retrabajos de materiales, así como representación (nacionales y…” Source: RevenueBase Database · checked Sep 16, 2026Thanks. The Data Team will review it. | |||||
| 22 | 21 contacts → | ||||
Indirect evidence “Wir machen Fortschritt.” Source: RevenueBase Database · checked Sep 16, 2026Thanks. The Data Team will review it. | |||||
| 23 | 20 contacts → | ||||
Indirect evidence “Since 1986, the Vendor Control Service, Inc.” Source: RevenueBase Database · checked Sep 16, 2026Thanks. The Data Team will review it. | |||||
| 24 | 20 contacts → | ||||
Strong evidence “Quality Service Group was formed in 2001 by automotive professionals who know what it means to provide a solid and reliable support system of integrated services.” Source: RevenueBase Database · checked Sep 16, 2026Thanks. The Data Team will review it. | |||||
| 25 | 20 contacts → | ||||
Strong evidence “D&F Corporation is a leading supplier of checking fixtures and secondary machines for the Automotive Industry.” Source: RevenueBase Database · checked Sep 16, 2026Thanks. The Data Team will review it. | |||||
RevenueBase Smart Search
RevenueBase Smart Search assesses information from a company’s LinkedIn profile, information supplied directly by the company, its website, and other publicly available sources. It uses that information to rate how closely the company relates to this list’s category: automotive supplier quality auditors. Every row carries its rating and the description the rating was read from, so each one can be checked rather than taken on trust.
- Strong evidence
- The company's own public description of its business names automotive supplier quality auditors.
- Partial evidence
- Its own public description names part of automotive supplier quality auditors, so it works in or next to the category without describing itself that way.
- Indirect evidence
- The description shown does not name automotive supplier quality auditors. The match rests on the rest of the company's public profile rather than the one sentence quoted here, so this is the rating to check first.
RevenueBase Smart Search is how these lists are built: RevenueBase's data engine and AI assemble the companies that match a category defined in a user's own words, so a list can be about what companies actually do rather than about whichever industry code they were filed under.
Showing 25 of 226 automotive supplier quality auditors worldwide
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Automotive supplier quality auditors worldwide at a glance
As of Sep 16, 2026Companies by employee count
How this list was built
Company categories are rarely black and white. RevenueBase reads each company's own description of its business to decide whether it belongs among automotive supplier quality auditors, so some rows will be adjacent to the category rather than pure plays. The description and RevenueBase Smart Search rating on every row are there so you can check each match yourself.
- Source
- The RevenueBase company graph: 60 million companies and 398.9 million professional contacts resolved from primary sources, queried with RevenueBase Smart Search, the natural-language company search available to every RevenueBase user.
- Coverage
- 4 countries, largest first: the United States, Germany, Mexico, India. Country and city lists for automotive supplier quality auditors are linked below.
- What qualifies
- Companies worldwide whose own description of what they do matches “automotive supplier quality auditors”. Matching reads each company's description, not its industry code or its name.
- RevenueBase Smart Search
- RevenueBase Smart Search is how this list is assembled and how each row is rated. RevenueBase's data engine and AI assess a company's LinkedIn profile, information supplied directly by the company, its website and other publicly available information, then relate it to a category defined in a user's own words. Each row is rated strong evidence (its own description names automotive supplier quality auditors), partial evidence (it names part of the category) or indirect evidence (the description shown names none of it and the match rests on the rest of the company's profile). The description supporting each rating is quoted on the row.
- What we exclude
- Companies whose own description does not clearly place them among automotive supplier quality auditors, and records with no verified work email.
- Match quality
- In blind human judging of this matching method, 86% of matched companies were on target. Expect roughly 1 in 7 rows to be adjacent to the category rather than a pure play. Every row shows the company's own description and its RevenueBase Smart Search rating so you can judge each match yourself. Read the full methodology: how the lists are built, how the judging worked, and what the figure means.
- 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 listed company carries at least one verified work email, 1,222 across the full list. 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 16, 2026. Lists refresh periodically as the graph is re-checked.
- Corrections
- Wrong category, wrong headquarters, or a company that has closed? Use “Report an issue” on any row. Reports go to the RevenueBase Data Team and feed back into the company graph.
Automotive supplier quality auditors by location
4 lists · largest firstEvery Automotive supplier quality auditors list RevenueBase publishes, by country and city. Counts are matching companies in each list as of its own refresh date.
Countries
Frequently asked
What is RevenueBase Smart Search?
RevenueBase Smart Search is how RevenueBase decides which companies belong on this list and how strongly each one fits. Its data engine and AI assess a company's LinkedIn profile, information supplied directly by the company, its website and other publicly available information, then relate it to the category the list is about. Each row is rated strong evidence when the company's own description names automotive supplier quality auditors, partial evidence when it names part of the category, and indirect evidence when the description shown names none of it and the match rests on the rest of the company's profile.
How many automotive supplier quality auditors are there worldwide?
RevenueBase identified 226 automotive supplier quality auditors worldwide as of September 2026, matched on each company's own description of what it does rather than its industry code.
What is the largest company on this list?
Stratosphere Quality, headquartered in Fishers, tops this list with the largest team on record.
Which country has the most automotive supplier quality auditors?
The United States leads with 68 companies, followed by Germany (56) and Mexico (53). Every automotive supplier quality auditors list by country and city is linked on this page.
Which city has the most automotive supplier quality auditors?
Pune leads with 10 headquartered companies, followed by Puebla (6) and Queretaro (6).
How do I get contact information for these companies?
A free RevenueBase account lets you run this exact search and work the top results, verified emails and direct dials included. Upgrading unlocks all 1,222 verified decision-maker contacts tracked across these 226 companies.
How current is this list?
The list refreshes periodically as the company graph is re-checked. This page's figures were pulled on September 16, 2026.
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About this data
RevenueBase is a B2B data infrastructure company. Its company graph covers 60 million companies and 398.9 million professional contacts, with emails verified on a rolling cadence rather than scraped once and left to decay. These company lists are generated directly from that graph with RevenueBase Smart Search, 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.