Company lists · Data refreshed November 2026

Top 25 Diagnostic device testing companies worldwide

RevenueBase identified 1,448 company matches for diagnostic device testing companies worldwide as of November 2026 and tracks 255,446 professional contacts across them, including 74,624 with verified work emails. The United States is the largest market and Istanbul the largest hub.

This list covers company matches for diagnostic device testing companies 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 diagnostic device testing companies 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
1,448Companies
255,446Contacts tracked
74,624Verified emails
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The 25 largest diagnostic device testing companies worldwide

Ranked by team size
Top 25 of 1,448 company matches for diagnostic device testing companies 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 matchParis, United KingdomHQ recorded Nov 6, 202610001+50,489 contacts →

Exact match

“Bureau Veritas is a world leader in Testing, Inspection and Certification.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
3Exact 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
4Exact matchMunich, GermanyHQ recorded Nov 6, 202610001+14,378 contacts →

Exact match

“TÜV SÜD is the trusted partner of choice for safety, security and sustainability solutions.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
5Exact matchNorthbrook, NC, United StatesHQ recorded Nov 6, 202610001+13,154 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 · Nov 6, 2026 · View company records in RevenueBase
6Exact matchBowen Hills, TX, AustraliaHQ recorded Nov 6, 202610001+10,555 contacts →

Exact match

“A global leader in testing, ALS provides comprehensive testing solutions to clients in a wide range of industries around the world.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
7Exact matchCologne, GermanyHQ recorded Nov 6, 202610001+8,583 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 · Nov 6, 2026 · View company records in RevenueBase
8Exact matchStuttgart, GermanyHQ recorded Nov 6, 202610001+6,103 contacts →

Exact match

“For more than 100 years, DEKRA has been a trusted name in safety.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
9Exact matchLondon, United KingdomHQ recorded Nov 6, 20265,001-10,0004,533 contacts →

Exact match

“The Element Materials Technology Group is one of the world’s leading global providers of testing, inspection, and certification services for a diverse range of products…”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
10Exact 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
11Exact matchPlainpalais, SwitzerlandHQ recorded Nov 6, 20265,001-10,0002,546 contacts →

Exact match

“Cotecna is a leading provider of testing, inspection and certification services.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
12Exact matchMumbai, IndiaHQ recorded Nov 6, 20261,001-5,0002,377 contacts →

Exact match

“TUV India Pvt.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
13Exact 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
14Exact matchToronto, ON, CanadaHQ recorded Nov 6, 20261,001-5,0001,232 contacts →

Exact match

“At CSA Group, we excel in addressing emerging, complex issues and technologies.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
15Exact matchWarrington, United KingdomHQ recorded Nov 6, 20261,001-5,000787 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 · Nov 6, 2026 · View company records in RevenueBase
16Exact matchNavi Mumbai, IndiaHQ recorded Nov 6, 20261,001-5,000774 contacts →

Exact match

“We are committed to strengthening safety systems with the most reliable Testing and Auditing Solutions.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
17Exact matchCincinnati, OH, United StatesHQ recorded Nov 6, 2026501-1,000702 contacts →

Exact match

“Meridian is a fully integrated life science company that develops, manufactures, markets and distributes a broad range of innovative diagnostic test kits, rare reagents, specialty…”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
18Exact matchHelsinki, FinlandHQ recorded Nov 6, 202610001+692 contacts →

Exact match

“Kiwa on yksi maailman johtavista asiantuntijoista turvallisuudessa, laadussa ja luotettavuudessa.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
19Exact 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
20Exact matchLysaker, NorwayHQ recorded Nov 6, 2026501-1,000473 contacts →

Exact match

“We contribute to a safer world by sharing knowledge and safeguarding products, the environment, people and systems.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
21Exact matchDepok, IndonesiaHQ recorded Nov 6, 2026201-500453 contacts →

Exact match

“Consumer service in certification, inspection, and laboratory testing.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
22Exact matchCallao, PeruHQ recorded Nov 6, 20261,001-5,000430 contacts →

Exact match

“Somos líderes mundiales en inspección, verificación, análisis y certificación.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
23Exact matchMilan, ItalyHQ recorded Nov 6, 20261,001-5,000423 contacts →

Exact match

“Il Gruppo IMQ rappresenta una delle più importanti realtà italiane nel settore della valutazione della conformità (certificazione, prove, verifiche, ispezioni), presente anche nei…”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
24Exact matchSan Diego, MD, United StatesHQ recorded Nov 6, 2026501-1,000414 contacts →

Exact match

“For more than 50 years, Technical Safety Services has helped laboratories, pharmacies, healthcare, and life science facilities protect the environments and systems they depend on.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
25Exact matchLinden, NJ, United StatesHQ recorded Nov 6, 2026501-1,000382 contacts →

Exact match

“Accu Reference Medical Lab is a state-of-the-art medical testing laboratory service that provides a complete range of tests for diagnosis, screening or evaluation of diseases and…”

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

Showing 25 of 1,448 diagnostic device testing companies worldwide

See the full list, filter by size, metro and specialty, and access 74,624 tracked professional contacts with verified work emails. Direct dials are available where recorded.

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Diagnostic device testing companies worldwide at a glance

As of Nov 6, 2026
29.2%Verified-email coverage
176.4Average contacts per company
11-50Median size (employees)
0.8%Largest-city concentration · Istanbul
Nov 6, 2026Page data refreshed

Companies by employee count

1-10
447
11-50
497
51-200
243
201-500
110
501-1,000
44
1,001-5,000
49
5,001-10,000
11
10001+
33

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 diagnostic device testing companies are linked below.
What qualifies
Company records worldwide whose business descriptions match “diagnostic device testing companies” 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 74,624 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.

Diagnostic device testing companies by location

9 lists · largest first

Every Diagnostic device testing 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 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 “diagnostic device testing companies”; each Exact match badge shows search membership, not an individual similarity or quality score.

How many diagnostic device testing companies are there worldwide?

RevenueBase identified 1,448 company matches for diagnostic device testing companies 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 diagnostic device testing companies?

The United States leads with 253 companies, followed by India (129) and Germany (88). Every diagnostic device testing companies list by country and city is linked on this page.

Which city has the most diagnostic device testing companies?

Istanbul leads with 11 company records, followed by New Delhi (11) and London (10).

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 74,624 professional contacts with verified work emails tracked across these 1,448 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.