Company lists · Data refreshed October 2026

Top 25 Quality assurance system suppliers worldwide

Name: Quality assurance system suppliers worldwide
Creator: RevenueBase
License: https://creativecommons.org/licenses/by/4.0/

Compiled by the RevenueBase Data Team Data refreshed Oct 29, 2026 6,595 companies tracked

RevenueBase identified 6,595 company matches for quality assurance system suppliers worldwide as of October 2026 and tracks 254,325 professional contacts across them, including 63,907 with verified work emails. The United States is the largest market and Sao Paulo the largest hub.

This list covers company matches for quality assurance system suppliers 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 October 29, 2026. Country and city lists for quality assurance system suppliers 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 Oct 29, 2026 How this list was built

6,595Companies

254,325Contacts tracked

63,907Verified emails

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The 25 largest quality assurance system suppliers worldwide

Ranked by team size

Top 25 of 6,595 company matches for quality assurance system suppliers worldwide, ordered by professional contacts tracked in RevenueBase, largest first. Recorded Oct 29, 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.
#	Company	RevenueBase SmartSearch	Headquarters	Employees	Contacts
1	SGS	Exact match	Baar, SwitzerlandHQ recorded Oct 29, 2026	10001+	63,840 contacts →
	Exact match “SGS is the world’s leading Testing, Inspection and Certification company.” Recorded in the RevenueBase company graph · Oct 29, 2026 · View company records in RevenueBase
2	Bureau Veritas	Exact match	Paris, United KingdomHQ recorded Oct 29, 2026	10001+	48,617 contacts →
	Exact match “Bureau Veritas is a world leader in Testing, Inspection and Certification.” Recorded in the RevenueBase company graph · Oct 29, 2026 · View company records in RevenueBase
3	Intertek	Exact match	London, United KingdomHQ recorded Oct 29, 2026	10001+	24,130 contacts →
	Exact match “Intertek is a leading Total Quality Assurance provider to industries worldwide.” Recorded in the RevenueBase company graph · Oct 29, 2026 · View company records in RevenueBase
4	UL Solutions	Exact match	Northbrook, IL, United StatesHQ recorded Oct 29, 2026	10001+	12,880 contacts →
	Exact match “A global leader in applied safety science, UL Solutions (NYSE: ULS) transforms safety, security and sustainability challenges into opportunities for customers in more than 110…” Recorded in the RevenueBase company graph · Oct 29, 2026 · View company records in RevenueBase
5	TÜV Rheinland Group	Exact match	Cologne, GermanyHQ recorded Oct 29, 2026	10001+	8,316 contacts →
	Exact match “Neutral, independent third party For more than 150 years, TÜV Rheinland has stood for ensuring quality, safety, and efficiency in conjunction with people, the environment, and…” Recorded in the RevenueBase company graph · Oct 29, 2026 · View company records in RevenueBase
6	TRIGO	Exact match	Nanterre, FranceHQ recorded Oct 29, 2026	10001+	3,844 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 · Oct 29, 2026 · View company records in RevenueBase
7	Formel D Group	Exact match	Cologne, GermanyHQ recorded Oct 29, 2026	10001+	2,943 contacts →
	Exact match “Formel D is a global service provider for testing, inspection & certification.” Recorded in the RevenueBase company graph · Oct 29, 2026 · View company records in RevenueBase
8	OCA Global	Exact match	Sant Cugat Del Valles, SpainHQ recorded Oct 29, 2026	1,001-5,000	2,931 contacts →
	Exact match “OCA Global is a private business group –with headquarters in Spain–, dedicated to inspection, quality control, certification, testing, consulting, and training activities.” Recorded in the RevenueBase company graph · Oct 29, 2026 · View company records in RevenueBase
9	TUV India Pvt. LTD	Exact match	Mumbai, IndiaHQ recorded Oct 29, 2026	1,001-5,000	2,262 contacts →
	Exact match “TUV India Pvt.” Recorded in the RevenueBase company graph · Oct 29, 2026 · View company records in RevenueBase
10	ACE	Exact match	CanadaHQ recorded Oct 29, 2026	n/a	1,973 contacts →
	Exact match “consulting firm in quality and environmental management system, quality control,quality assurance and lean manufacturing and productivity improvement.” Recorded in the RevenueBase company graph · Oct 29, 2026 · View company records in RevenueBase
11	QIMA	Exact match	Hong KongHQ recorded Oct 29, 2026	5,001-10,000	1,653 contacts →
	Exact match “QIMA is more than a testing, inspection, certification, and compliance company: We are on a mission to offer clients smart solutions to make products consumers can trust.” Recorded in the RevenueBase company graph · Oct 29, 2026 · View company records in RevenueBase
12	Stratosphere Quality	Exact match	Fishers, IN, United StatesHQ recorded Oct 29, 2026	1,001-5,000	1,595 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 · Oct 29, 2026 · View company records in RevenueBase
13	DQS	Exact match	Frankfurt, GermanyHQ recorded Oct 29, 2026	1,001-5,000	1,382 contacts →
	Exact match “DQS – Leveraging Quality, Driving Success.” Recorded in the RevenueBase company graph · Oct 29, 2026 · View company records in RevenueBase
14	Vinçotte	Exact match	Vilvoorde, BelgiumHQ recorded Oct 29, 2026	1,001-5,000	1,259 contacts →
	Exact match “Vinçotte (a Kiwa company since May 2022) offers objective and advisory services in inspection, certification, conformity assessment and training.” Recorded in the RevenueBase company graph · Oct 29, 2026 · View company records in RevenueBase
15	AENOR	Exact match	Madrid, SpainHQ recorded Oct 29, 2026	501-1,000	978 contacts →
	Exact match “AENOR is a global company, that identifies and helps organizations to overcome relevant competitiveness gaps.” Recorded in the RevenueBase company graph · Oct 29, 2026 · View company records in RevenueBase
16	British Engineering Services Group	Exact match	Warrington, United KingdomHQ recorded Oct 29, 2026	1,001-5,000	775 contacts →
	Exact match “Testing, inspection, certification and compliance is our core business so that’s what gets 100% of our focus.” Recorded in the RevenueBase company graph · Oct 29, 2026 · View company records in RevenueBase
17	Exact X Forestall Group	Exact match	Częstochowa, PolandHQ recorded Oct 29, 2026	5,001-10,000	759 contacts →
	Exact match “Exact x Forestall is a leading global provider of quality control solutions.” Recorded in the RevenueBase company graph · Oct 29, 2026 · View company records in RevenueBase
18	MTP Métodos Y Tecnología	Exact match	Madrid, SpainHQ recorded Oct 29, 2026	501-1,000	717 contacts →
	Exact match “Consultora especializada en servicios de Aseguramiento de la Calidad del Software dirigidos a controlar y mejorar los costes, plazos y calidad del ciclo de vida de los productos…” Recorded in the RevenueBase company graph · Oct 29, 2026 · View company records in RevenueBase
19	Kiwa Suomi	Exact match	Helsinki, FinlandHQ recorded Oct 29, 2026	10001+	683 contacts →
	Exact match “Kiwa on yksi maailman johtavista asiantuntijoista turvallisuudessa, laadussa ja luotettavuudessa.” Recorded in the RevenueBase company graph · Oct 29, 2026 · View company records in RevenueBase
20	Intedya International Dynamic Advisors	Exact match	Cayes, HaitiHQ recorded Oct 29, 2026	201-500	587 contacts →
	Exact match “Intedya is an Global Company specialized in Consulting, Training, Auditing based on International and Local Standards and best practices to manage Quality, Environment, Food…” Recorded in the RevenueBase company graph · Oct 29, 2026 · View company records in RevenueBase
21	Mitra SK	Exact match	Kolkata, IndiaHQ recorded Oct 29, 2026	1,001-5,000	580 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 · Oct 29, 2026 · View company records in RevenueBase
22	ASQ	Exact match	Milwaukee, WI, United StatesHQ recorded Oct 29, 2026	51-200	541 contacts →
	Exact match “ASQ is the leading membership association that helps quality professionals achieve career goals and drive excellence through quality in their organizations and industries.” Recorded in the RevenueBase company graph · Oct 29, 2026 · View company records in RevenueBase
23	ILAB	Exact match	Indianapolis, IN, United StatesHQ recorded Oct 29, 2026	501-1,000	440 contacts →
	Exact match “iLAB specializes in Software Quality Assurance services, providing global solutions to our customers.” Recorded in the RevenueBase company graph · Oct 29, 2026 · View company records in RevenueBase
24	Quality Professionals Q-Pros	Exact match	TX, United StatesHQ recorded Oct 29, 2026	501-1,000	393 contacts →
	Exact match “Quality Professionals (Q-Pros) is a global independent software Quality Assurance and Testing services provider supporting enterprise and government organizations.” Recorded in the RevenueBase company graph · Oct 29, 2026 · View company records in RevenueBase
25	Tescom	Exact match	Atlanta, GA, United StatesHQ recorded Oct 29, 2026	201-500	391 contacts →
	Exact match “Tescom is one of the world's largest independent Software Quality Assurance companies and a pioneer in the industry.” Recorded in the RevenueBase company graph · Oct 29, 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 “quality assurance system 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 6,595 quality assurance system suppliers worldwide

See the full list, filter by size, metro and specialty, and access 63,907 tracked professional contacts with verified work emails. Direct dials are available where recorded.

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Quality assurance system suppliers worldwide at a glance

As of Oct 29, 2026

25.1%Verified-email coverage

38.6Average contacts per company

1-10Median size (employees)

1.1%Largest-city concentration · Sao Paulo

Oct 29, 2026Page data refreshed

Companies by employee count

1-10

4,070

11-50

1,639

51-200

515

201-500

189

501-1,000

1,001-5,000

5,001-10,000

10001+

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 quality assurance system suppliers are linked below.
What qualifies: Company records worldwide whose business descriptions match “quality assurance system 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. 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 63,907 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 October 29, 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.

Quality assurance system suppliers by location

32 lists · largest first

Every Quality assurance system suppliers list RevenueBase publishes, by country and city. Counts are matching companies in each list as of its own refresh date.

Countries

Cities

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 “quality assurance system suppliers”; each Exact match badge shows search membership, not an individual similarity or quality score.

How many quality assurance system suppliers are there worldwide?

RevenueBase identified 6,595 company matches for quality assurance system suppliers worldwide as of October 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 quality assurance system suppliers?

The United States leads with 584 companies, followed by Brazil (467) and India (437). Every quality assurance system suppliers list by country and city is linked on this page.

Which city has the most quality assurance system suppliers?

Sao Paulo leads with 72 company records, followed by Lima (59) and Istanbul (47).

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 63,907 professional contacts with verified work emails tracked across these 6,595 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 October 29, 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.