Company lists · Data refreshed November 2026

Top 25 Factory quality assurance services worldwide

RevenueBase identified 1,484 company matches for factory quality assurance services worldwide as of November 2026 and tracks 126,180 professional contacts across them, including 32,792 with verified work emails. China is the largest market and Shenzhen the largest hub.

This list covers company matches for factory quality assurance services worldwide, found by RevenueBase SmartSearch using the meaning of business descriptions in its company graph at Exact. Ranked by professionals tracked, largest first. Rows show recorded descriptions where available, Exact search membership and the snapshot date. Data refreshed November 6, 2026. Country and city lists for factory quality assurance services follow the table.

Published by RevenueBase, a B2B data infrastructure company. This list was built with RevenueBase SmartSearch, the natural-language company search RevenueBase customers use to build their own targeted lists and unlock verified emails and direct dials at the companies on them. How these lists are built and judged.

How to read this list RevenueBase SmartSearch · Exact Recorded Nov 6, 2026 How this list was built
1,484Companies
126,180Contacts tracked
32,792Verified emails
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The 25 largest factory quality assurance services worldwide

Ranked by team size
Top 25 of 1,484 company matches for factory quality assurance services worldwide, ordered by professional contacts tracked in RevenueBase, largest first. Recorded Nov 6, 2026. The RevenueBase SmartSearch column shows Exact match membership in this saved search. Click a contact count to view that company's people. Totals use company locations recorded by RevenueBase; the displayed preview is a smaller selection.
#CompanyRevenueBase SmartSearchHeadquartersEmployeesContacts
1Exact matchBaar, SwitzerlandHQ recorded Nov 6, 202610001+65,863 contacts →

Exact match

“SGS is the world’s leading Testing, Inspection and Certification company.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
2Exact matchLondon, NY, United KingdomHQ recorded Nov 6, 202610001+24,944 contacts →

Exact match

“Intertek is a leading Total Quality Assurance provider to industries worldwide.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
3Exact matchNanterre, FranceHQ recorded Nov 6, 202610001+4,012 contacts →

Exact match

“QUALITY ALONG THE SUPPLY CHAIN Founded in 1997, TRIGO Group is a multinational company providing quality solutions for the automotive, aerospace and other transport industries.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
4Exact matchKowloon, NY, Hong KongHQ recorded Nov 6, 202610001+3,981 contacts →

Exact match

“The Bureau Veritas Consumer Products Services division is a world-leading concept-to-consumer quality assurance and compliance services provider to manufacturers, distributors and…”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
5Exact matchCologne, GermanyHQ recorded Nov 6, 202610001+3,044 contacts →

Exact match

“Formel D is a global service provider for testing, inspection & certification.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
6Exact matchHong KongHQ recorded Nov 6, 20265,001-10,0001,729 contacts →

Exact match

“At QIMA, we are on a mission to help our clients make products consumers can trust.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
7Exact matchFishers, IN, United StatesHQ recorded Nov 6, 20261,001-5,0001,663 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 · Nov 6, 2026 · View company records in RevenueBase
8Exact matchMadrid, United KingdomHQ recorded Nov 6, 202610001+1,167 contacts →

Exact match

“For 150 years, TÜV Rheinland has stood for ensuring quality, safety, and efficiency in conjunction with people, the environment, and technology.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
9Exact matchCzęstochowa, PolandHQ recorded Nov 6, 20265,001-10,000778 contacts →

Exact match

“Exact x Forestall is a leading global provider of quality control solutions.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
10Exact matchKolkata, IndiaHQ recorded Nov 6, 20261,001-5,000596 contacts →

Exact match

“MSK is a leading Independent Inspection, Testing and Certification Expert, with a global network of offices and laboratories in 28 countries across 5 continents, with headquarters…”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
11Exact matchSterling Heights, SC, United StatesHQ recorded Nov 6, 20261,001-5,000510 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 · Nov 6, 2026 · View company records in RevenueBase
12Exact matchDongguan City, ChinaHQ recorded Nov 6, 2026201-500339 contacts →

Exact match

“Impactiva is the world's leader in Process Optimization, Quality Management and Quality Assurance/Control for the Leather, Footwear, Leathergoods, Outdoor Gear and Apparel…”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
13Exact matchQingdao, LuxembourgHQ recorded Nov 6, 20261,001-5,000297 contacts →

Exact match

“Since 2017, the Eurofins Softlines & Hardlines network of testing laboratories has established itself as a challenger in consumer product testing, driving innovation, compliance…”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
14Exact matchLondon, United KingdomHQ recorded Nov 6, 20261,001-5,000268 contacts →

Exact match

“Since 1987 HQTS has delivered product inspections, factory audits, testing and quality consulting throughout Asia.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
15Exact matchBerlin, AZ, ItalyHQ recorded Nov 6, 20261,001-5,000243 contacts →

Exact match

“For more than a decade the Tentamus Group has been providing services to customers all over the world.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
16Exact matchBan Chang, ThailandHQ recorded Nov 6, 2026201-500239 contacts →

Exact match

“Dexon is committed to the delivery of quality inspection services and continuous improvement for our customers satisfaction.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
17Exact matchMchenry, IL, United StatesHQ recorded Nov 6, 2026501-1,000219 contacts →

Exact match

“Pro QC International provides tailored quality solutions with a human touch in 100 countries.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
18Exact matchNewmarket, ON, CanadaHQ recorded Nov 6, 2026501-1,000202 contacts →

Exact match

“Q2 Management™ is a ISO-certified quality assurance solutions provider to the manufacturing industry.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
19Exact matchBirmingham, United KingdomHQ recorded Nov 6, 20261,001-5,000201 contacts →

Exact match

“Established in 1994, G&P is a world-leading provider of quality management services to the manufacturing industry, primarily in the automotive, aerospace and off-highway sectors.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
20Exact matchNoida, IndiaHQ recorded Nov 6, 202651-200196 contacts →

Exact match

“Today RSJ Inspection is one of the best-known complete conformity assessments & neutral third party companies in Asia.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
21Exact matchLieusaint, FranceHQ recorded Nov 6, 2026201-500170 contacts →

Exact match

“AS INTERNATIONAL was founded in 1983 in the textile and clothing sector by two French manufacturers to support manufacturers, importers, brands and distributors in their quality…”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
22Exact matchGloucester City, CA, United StatesHQ recorded Nov 6, 2026201-500167 contacts →

Exact match

“Decofrut has been in the fruit business since 1988 and performing Quality Control Services at origin & destination for exporters and importers, with permanent offices in Europe…”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
23Exact matchCzęstochowa, PolandHQ recorded Nov 6, 2026501-1,000156 contacts →

Exact match

“Wspieramy procesy zapewnienia jakości w Polsce i Europie.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
24Exact matchAuburn, IN, United StatesHQ recorded Nov 6, 2026201-500139 contacts →

Exact match

“We're there, so our customers don’t have to be.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
25Exact matchSalt Lake City, United StatesHQ recorded Nov 6, 2026201-500133 contacts →

Exact match

“IDFL Institute and Laboratory is the global leader in filled textile quality assurance services.”

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

Showing 25 of 1,484 factory quality assurance services worldwide

See the full list, filter by size, metro and specialty, and access 32,792 tracked professional contacts with verified work emails. Direct dials are available where recorded.

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Factory quality assurance services worldwide at a glance

As of Nov 6, 2026
26.0%Verified-email coverage
85.0Average contacts per company
11-50Median size (employees)
2.6%Largest-city concentration · Shenzhen
Nov 6, 2026Page data refreshed

Companies by employee count

1-10
594
11-50
440
51-200
250
201-500
102
501-1,000
34
1,001-5,000
23
5,001-10,000
4
10001+
24

Email recency is reported on each country list linked below.

How this list was built

The recorded descriptions help you assess these company matches. Check a company’s website for its current services and locations.

Source
The RevenueBase company graph: 60 million companies and 398.9 million professional contacts resolved from primary sources, queried with RevenueBase SmartSearch, the natural-language company search available to every RevenueBase user.
Coverage
Every country. Country and city lists for factory quality assurance services are linked below.
What qualifies
Company records worldwide whose business descriptions match “factory quality assurance services” by meaning at the Exact setting. Descriptions are compiled in the RevenueBase company graph from public websites, profiles and company information where available; they are not guaranteed quotations from the company's website.
RevenueBase SmartSearch
Describe a niche company in your own words to find businesses by meaning. Exact, Similar, Related and Broad control the breadth of RevenueBase SmartSearch. This saved list uses Exact. Each row's Exact match badge shows inclusion in that search, not an individual score or a service-quality judgment.
Public preview
The public preview omits records without a verified work email. Dataset totals and geographic summaries describe the full matched records before these preview filters.
Match quality
RevenueBase's August 25, 2026 study assessed 4,198 description/company pairs across matching settings. The publisher reports 86% good or better at Exact. This evaluates the method across queries; it does not audit this individual list. Recorded company descriptions, where available, help you judge each match yourself. Read the full methodology: how the lists are built and what the study measures.
Ranking
Team size, largest first: companies are ordered by the number of professionals RevenueBase tracks at each one. Employee ranges shown are reported bands, for context.
Verification
Every displayed company carries at least one verified work email. RevenueBase tracks 32,792 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.

Factory quality assurance services by location

10 lists · largest first

Every Factory quality assurance services list RevenueBase publishes, by country and city. Counts are matching companies in each list as of its own refresh date.

Countries

Frequently asked

What is RevenueBase SmartSearch?

RevenueBase SmartSearch finds niche companies by the meaning of their business descriptions in the RevenueBase company graph. Exact, Similar, Related and Broad control how closely companies must fit your description. This list uses Exact for “factory quality assurance services”; each Exact match badge shows search membership, not an individual similarity or quality score.

How many factory quality assurance services are there worldwide?

RevenueBase identified 1,484 company matches for factory quality assurance services worldwide as of November 2026, using the meaning of business descriptions at Exact. This is the recorded matched set in the RevenueBase company graph.

What is the largest company on this list?

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

Which country has the most factory quality assurance services?

China leads with 167 companies, followed by the United States (157) and India (105). Every factory quality assurance services list by country and city is linked on this page.

Which city has the most factory quality assurance services?

Shenzhen leads with 39 company records, followed by Karachi (16) and Dhaka (14).

How do I get contact information for these companies?

A free RevenueBase account lets you run this exact search and work limited free results with 500 credits to start. Upgrading provides access to the 32,792 professional contacts with verified work emails tracked across these 1,484 companies; direct dials are available where recorded.

How current is this list?

The list refreshes periodically as the company graph is re-checked. This page's figures were pulled on November 6, 2026.

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About this data

RevenueBase is a B2B data infrastructure company. Its company graph covers 60 million companies and 398.9 million professional contacts, with emails verified on a rolling cadence rather than scraped once and left to decay. These company lists are generated directly from that graph with RevenueBase SmartSearch, the same natural-language company search every RevenueBase user has: describe a market in plain words, get the companies that match, and add verified emails and direct dials for the people at them. It is the same data that powers RevenueBase's B2B data products, and a free account includes 500 credits to start. How these lists are built and judged.