Company lists · Data refreshed September 2026

Top 25 Quality management systems companies worldwide

RevenueBase identified 1,455 quality management systems companies worldwide as of September 2026 and tracks 8,632 professional contacts across them, including 1,987 with verified work emails and 0 with mobile numbers. The United States is the largest market and Sao Paulo the largest hub.

This list covers quality management systems companies 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 19, 2026. Country and city lists for quality management systems companies 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.

How to read this list HQ checked on every row RevenueBase Smart Search rating on every row Refreshed Sep 19, 2026 86% judged on-target in blind review
1,455Companies
8,632Contacts tracked
1,987Verified emails
0Mobile numbers
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The 25 largest quality management systems companies worldwide

Ranked by team size
Top 25 of 1,455 quality management systems companies worldwide, ranked by team size, largest first. Data refreshed Sep 19, 2026. RevenueBase Smart Search rates how each company's information relates to quality management systems companies: strong evidence (its own description names it), partial (names part of it), indirect (matched on the rest of its profile rather than the description shown). Click a contact count to view that company's people.
#CompanyRevenueBase Smart SearchHeadquartersEmployeesContacts
1Strong evidenceZollikofen, SwitzerlandHQ checked Sep 19, 202651-200251 contacts →

Strong evidence

“The Swiss Association for Quality and Management Systems (SQS) is Switzerland's leading organisation for certification and assessment services.”

Source: RevenueBase Database · checked Sep 19, 2026
2Indirect evidenceBrookville, OH, United StatesHQ checked Sep 19, 2026501-1,000246 contacts →

Indirect evidence

“At Green Tokai Co, Ltd, we are dedicated to consistently meeting and exceeding our customers’ expectations in product performance, service, and delivery.”

Source: RevenueBase Database · checked Sep 19, 2026
3Indirect evidenceAnn Arbor, MI, United StatesHQ checked Sep 19, 2026501-1,000216 contacts →

Indirect evidence

Source: RevenueBase Database · checked Sep 19, 2026
4Strong evidenceNewmarket, ON, CanadaHQ checked Sep 19, 2026501-1,000199 contacts →

Strong evidence

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

Source: RevenueBase Database · checked Sep 19, 2026
5Strong evidenceBirmingham, United KingdomHQ checked Sep 19, 20261,001-5,000196 contacts →

Strong evidence

“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.”

Source: RevenueBase Database · checked Sep 19, 2026
6Strong evidenceKavaklı, TürkiyeHQ checked Sep 19, 2026201-500144 contacts →

Strong evidence

“Mita manufactures parts per annum, using tons of raw material, in compliance with the ISO 9001, ISO/TS 16949 and ISO 14001 management system standards.”

Source: RevenueBase Database · checked Sep 19, 2026
7Partial evidenceWuppertal, GermanyHQ checked Sep 19, 2026201-500142 contacts →

Partial evidence

“Welcome to Babtec Babtec: innovative software for quality.”

Source: RevenueBase Database · checked Sep 19, 2026
8Partial evidenceLondon, United KingdomHQ checked Sep 19, 202611-50110 contacts →

Partial evidence

“Your partners in quality.”

Source: RevenueBase Database · checked Sep 19, 2026
9Strong evidenceLangenfeld (rheinland), GermanyHQ checked Sep 19, 20261,001-5,000109 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 19, 2026
10Strong evidenceBalneário Camboriú, BrazilHQ checked Sep 19, 202651-200109 contacts →

Strong evidence

“We are active in the planning and development of software for quality management since 2008 and our main challenge to facilitate the management of the companies.”

Source: RevenueBase Database · checked Sep 19, 2026
11Strong evidenceNorth Olmsted, OH, United StatesHQ checked Sep 19, 2026201-500100 contacts →

Strong evidence

“Building on 30+ years of experience, IQS is modern, enterprise-grade quality management software designed to help our customers ensure compliance and bring the highest quality…”

Source: RevenueBase Database · checked Sep 19, 2026
12Partial evidenceFrankfurt, GermanyHQ checked Sep 19, 202651-20086 contacts →

Partial evidence

“Die Deutsche Gesellschaft für Qualität (DGQ) ist überzeugt, dass Qualität das Herzstück allen Erfolgs ist.”

Source: RevenueBase Database · checked Sep 19, 2026
13Strong evidenceTampa, FL, United StatesHQ checked Sep 19, 202651-20075 contacts →

Strong evidence

Qualityze is a leading provider of AI-powered, cloud-based Quality Management System (QMS) software for Life Sciences and Manufacturing organizations.”

Source: RevenueBase Database · checked Sep 19, 2026
14Strong evidenceMinneapolis, MN, United StatesHQ checked Sep 19, 202651-20071 contacts →

Strong evidence

“Plexus International is a global leader in providing training, assessment, and consulting services for organizations to attain quality management systems excellence.”

Source: RevenueBase Database · checked Sep 19, 2026
15Indirect evidenceQuebec, QC, CanadaHQ checked Sep 19, 202651-20069 contacts →

Indirect evidence

“Le Bureau de normalisation du Québec (BNQ) apporte des solutions à des besoins de marché par l’élaboration de normes consensuelles en comités équilibrés, par la mise en œuvre de…”

Source: RevenueBase Database · checked Sep 19, 2026
16Partial evidenceJundiaí, BrazilHQ checked Sep 19, 202651-20068 contacts →

Partial evidence

“Com o objetivo de assegurar a qualidade e manter um elevado nível de segurança e confiabilidade, a FLEX AERO possui um sistema de controle de qualidade que consta com auditorias…”

Source: RevenueBase Database · checked Sep 19, 2026
17Partial evidenceGuarulhos, BrazilHQ checked Sep 19, 202651-20068 contacts →

Partial evidence

“A Vibelplast, assume o compromisso de atender aos requisitos aplicáveis e melhorar continuamente seu sistema de gestão da qualidade, tornando-se referência em qualidade de…”

Source: RevenueBase Database · checked Sep 19, 2026
18Indirect evidenceOlten, SwitzerlandHQ checked Sep 19, 202611-5058 contacts →

Indirect evidence

“Mitten in unserem Namen kommen zwei «Q» zusammen.”

Source: RevenueBase Database · checked Sep 19, 2026
19Strong evidenceReggio Emilia, ItalyHQ checked Sep 19, 202651-20055 contacts →

Strong evidence

“Blulink from 1990 is a software house that develops a Software for Quality Management System – QMS.”

Source: RevenueBase Database · checked Sep 19, 2026
20Strong evidenceKolkata, IndiaHQ checked Sep 19, 2026n/a53 contacts →

Strong evidence

“Simple Solutions is a Management System Consultancy Company, which has since its inception given seed to innovate concepts in developing integrated management system development…”

Source: RevenueBase Database · checked Sep 19, 2026
21Partial evidenceGlasgow, United KingdomHQ checked Sep 19, 202611-5052 contacts →

Partial evidence

“FQM is a #QHSE (#Quality,#Health,#Safety,#Security and #Environmental compliance software, consultancy, coaching & training organisation, focused on delivering cost effective…”

Source: RevenueBase Database · checked Sep 19, 2026
22Strong evidenceAachen, GermanyHQ checked Sep 19, 202651-20049 contacts →

Strong evidence

“Innovative software for Quality Management and Integrated Management Systems – made in Germany.”

Source: RevenueBase Database · checked Sep 19, 2026
23Indirect evidenceHendon, AustraliaHQ checked Sep 19, 202611-5048 contacts →

Indirect evidence

“JLB was established in Adelaide in 1988, after recognising a need to assist organisations, hands-on, implement best practice initiatives.”

Source: RevenueBase Database · checked Sep 19, 2026
24Strong evidenceReno, NV, United StatesHQ checked Sep 19, 202651-20046 contacts →

Strong evidence

“With decades of expertise built into our quality management software and regulatory compliance software platforms, AssurX helps companies maintain quality and compliance…”

Source: RevenueBase Database · checked Sep 19, 2026
25Indirect evidenceDraper, UT, United StatesHQ checked Sep 19, 202611-5046 contacts →

Indirect evidence

“The Axeon Difference Axeon Corporation is a customer-focused, practical and approachable, technically sound training and consulting firm.”

Source: RevenueBase Database · checked Sep 19, 2026

Showing 25 of 1,455 quality management systems companies worldwide

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Quality management systems companies worldwide at a glance

As of Sep 19, 2026
23.0%Verified-email coverage
5.9Average contacts per company
1-10Median size (employees)
2.6%Largest-city concentration · Sao Paulo
Sep 19, 2026Page data refreshed

Companies by employee count

1-10
1,101
11-50
257
51-200
62
201-500
11
501-1,000
10
1,001-5,000
5
5,001-10,000
1
10001+
2

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 quality management systems companies, 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
15 countries, largest first: the United States, Brazil, Germany, India, the United Kingdom, France, Mexico, the Netherlands, Spain, Türkiye and 5 more. Country and city lists for quality management systems companies are linked below.
What qualifies
Companies worldwide whose own description of what they do matches “quality management systems companies”. 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 quality management systems companies), 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 quality management systems companies, 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, 1,987 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 19, 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.

Quality management systems companies by location

15 lists · largest first

Every Quality management systems companies 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 quality management systems companies, 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 quality management systems companies are there worldwide?

RevenueBase identified 1,455 quality management systems companies 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?

SQS, headquartered in Zollikofen, tops this list with the largest team on record.

Which country has the most quality management systems companies?

The United States leads with 292 companies, followed by Brazil (248) and Germany (124). Every quality management systems companies list by country and city is linked on this page.

Which city has the most quality management systems companies?

Sao Paulo leads with 38 headquartered companies, followed by London (18) and Pune (12).

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 1,987 verified decision-maker contacts tracked across these 1,455 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 19, 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.