Company lists · Data refreshed October 2026

Top 25 Immunoassay manufacturers worldwide

RevenueBase identified 3,620 company matches for immunoassay manufacturers worldwide as of October 2026 and tracks 182,783 professional contacts across them, including 51,903 with verified work emails. The United States is the largest market and Tehran the largest hub.

This list covers company matches for immunoassay manufacturers 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 14, 2026. Country and city lists for immunoassay manufacturers 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 14, 2026 How this list was built
3,620Companies
182,783Contacts tracked
51,903Verified emails
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The 25 largest immunoassay manufacturers worldwide

Ranked by team size
Top 25 of 3,620 company matches for immunoassay manufacturers worldwide, ordered by professional contacts tracked in RevenueBase, largest first. Recorded Oct 14, 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 matchSanta Clara, CA, United StatesHQ recorded Oct 14, 202610001+48,350 contacts →

Exact match

“Agilent customers are finding new ways to treat cancer, ensure food, water, air, and medicine quality and safety, discover new drug treatments, research infectious diseases, and…”

Recorded in the RevenueBase company graph · Oct 14, 2026 · View company records in RevenueBase
2Exact matchMarcy-l'étoile, GermanyHQ recorded Oct 14, 202610001+12,398 contacts →

Exact match

“A family-owned company, bioMérieux has grown to become a world leader in the field of in vitro diagnostics.”

Recorded in the RevenueBase company graph · Oct 14, 2026 · View company records in RevenueBase
3Exact matchBrea, CA, United StatesHQ recorded Oct 14, 202610001+10,426 contacts →

Exact match

“A global leader in advanced diagnostics, Beckman Coulter has challenged convention to elevate the diagnostic laboratory’s role in improving patient health for more than 80 years.”

Recorded in the RevenueBase company graph · Oct 14, 2026 · View company records in RevenueBase
4Exact matchHercules, CA, United StatesHQ recorded Oct 14, 20265,001-10,0008,486 contacts →

Exact match

“Bio-Rad provides the healthcare industry with innovative and useful products that help life science researchers accelerate the discovery process and medical diagnostic labs obtain…”

Recorded in the RevenueBase company graph · Oct 14, 2026 · View company records in RevenueBase
5Exact matchSunnyvale, CA, United StatesHQ recorded Oct 14, 20265,001-10,0004,514 contacts →

Exact match

“Cepheid is dedicated to improving healthcare by pioneering molecular diagnostics that combine speed, accuracy, and flexibility.”

Recorded in the RevenueBase company graph · Oct 14, 2026 · View company records in RevenueBase
6Exact matchL'hospitalet De Llobregat, SpainHQ recorded Oct 14, 20265,001-10,0003,807 contacts →

Exact match

“Werfen is a growing, family-owned, innovative company founded in 1966 in Barcelona, Spain.”

Recorded in the RevenueBase company graph · Oct 14, 2026 · View company records in RevenueBase
7Exact matchUnited StatesHQ recorded Oct 14, 20265,001-10,0003,693 contacts →

Exact match

“Bringing precision and passion in everything we do QuidelOrtho stands at the forefront of testing, tracking and disease analysis of health conditions ranging from HIV and…”

Recorded in the RevenueBase company graph · Oct 14, 2026 · View company records in RevenueBase
8Exact matchCambridge, United KingdomHQ recorded Oct 14, 20261,001-5,0002,036 contacts →

Exact match

“At Abcam, we believe the scientific community goes further, faster when we go there together.”

Recorded in the RevenueBase company graph · Oct 14, 2026 · View company records in RevenueBase
9Exact matchMumbai, IndiaHQ recorded Oct 14, 20261,001-5,0001,937 contacts →

Exact match

“Incepted in the year 1979, Transasia Bio-Medicals Ltd, is headquartered in Mumbai, India.”

Recorded in the RevenueBase company graph · Oct 14, 2026 · View company records in RevenueBase
10Exact matchMadison, WI, United StatesHQ recorded Oct 14, 20261,001-5,0001,794 contacts →

Exact match

“At Promega Corporation, creativity and connection drive discovery and innovation.”

Recorded in the RevenueBase company graph · Oct 14, 2026 · View company records in RevenueBase
11Exact matchLincolnshire, IL, United StatesHQ recorded Oct 14, 20261,001-5,0001,352 contacts →

Exact match

Recorded description not available.

Recorded in the RevenueBase company graph · Oct 14, 2026 · View company records in RevenueBase
12Exact matchLondon, United KingdomHQ recorded Oct 14, 20261,001-5,0001,207 contacts →

Exact match

“LGC is a global leader in life sciences, diagnostics and analytical solutions.”

Recorded in the RevenueBase company graph · Oct 14, 2026 · View company records in RevenueBase
13Exact matchWaltham, MA, United StatesHQ recorded Oct 14, 20261,001-5,0001,162 contacts →

Exact match

“Nova Biomedical is entering a new chapter.”

Recorded in the RevenueBase company graph · Oct 14, 2026 · View company records in RevenueBase
14Exact matchCrumlin, United StatesHQ recorded Oct 14, 20261,001-5,0001,074 contacts →

Exact match

“Randox is dedicated to improving health worldwide.”

Recorded in the RevenueBase company graph · Oct 14, 2026 · View company records in RevenueBase
15Exact matchRockville, MD, United StatesHQ recorded Oct 14, 20261,001-5,000978 contacts →

Exact match

“Founded in 1995, Meso Scale Discovery (MSD) is a global leader in the development, manufacture, and commercialization of innovative assays and instruments for the measurement of…”

Recorded in the RevenueBase company graph · Oct 14, 2026 · View company records in RevenueBase
16Exact matchChuo-ku, JapanHQ recorded Oct 14, 202610001+915 contacts →

Exact match

“Sysmex Corporation is a global leader in in vitro diagnostics.”

Recorded in the RevenueBase company graph · Oct 14, 2026 · View company records in RevenueBase
17Exact matchAustin, TX, United StatesHQ recorded Oct 14, 2026501-1,000819 contacts →

Exact match

“At Luminex, our mission is to empower labs to obtain reliable, timely, and actionable answers, ultimately advancing health.”

Recorded in the RevenueBase company graph · Oct 14, 2026 · View company records in RevenueBase
18Exact matchCincinnati, OH, United StatesHQ recorded Oct 14, 2026501-1,000684 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 · Oct 14, 2026 · View company records in RevenueBase
19Exact matchDanvers, MA, United StatesHQ recorded Oct 14, 2026501-1,000682 contacts →

Exact match

“Founded by research scientists in Cell Signaling Technology (CST) is a private, family-owned company that prides itself on operating as a research institute developing quality…”

Recorded in the RevenueBase company graph · Oct 14, 2026 · View company records in RevenueBase
20Exact matchSan Diego, CA, United StatesHQ recorded Oct 14, 2026501-1,000678 contacts →

Exact match

“At BioLegend, we are committed to providing researchers with the most comprehensive and cutting-edge high-quality reagents for life science research.”

Recorded in the RevenueBase company graph · Oct 14, 2026 · View company records in RevenueBase
21Exact matchTampines East, SingaporeHQ recorded Oct 14, 2026201-500652 contacts →

Exact match

“Sysmex is a global market leader in the development and implementation of clinical diagnostic and health IT products and services for laboratories, hospitals and healthcare…”

Recorded in the RevenueBase company graph · Oct 14, 2026 · View company records in RevenueBase
22Exact matchHamburg, GermanyHQ recorded Oct 14, 2026501-1,000629 contacts →

Exact match

“Sysmex supports healthcare professionals and patients around the world with a broad range of medical diagnostics products and solutions in a variety of fields.”

Recorded in the RevenueBase company graph · Oct 14, 2026 · View company records in RevenueBase
23Exact matchMinnneapolis, MN, IndiaHQ recorded Oct 14, 20261,001-5,000588 contacts →

Exact match

“R&D Systems™ by Bio‑Techne, provides analytical instruments, reagents, and scientific support designed to perform in demanding research workflows.”

Recorded in the RevenueBase company graph · Oct 14, 2026 · View company records in RevenueBase
24Exact matchBoldon, United KingdomHQ recorded Oct 14, 2026201-500574 contacts →

Exact match

“Immunodiagnostic Systems (IDS) is an established in vitro diagnostic solution provider to the clinical laboratory market.”

Recorded in the RevenueBase company graph · Oct 14, 2026 · View company records in RevenueBase
25Exact matchLübeck, GermanyHQ recorded Oct 14, 20261,001-5,000569 contacts →

Exact match

“As one of the world's leading manufacturers of medical laboratory diagnostics, Euroimmun stands for innovation.”

Recorded in the RevenueBase company graph · Oct 14, 2026 · View company records in RevenueBase

Showing 25 of 3,620 immunoassay manufacturers worldwide

See the full list, filter by size, metro and specialty, and access 51,903 tracked professional contacts with verified work emails. Direct dials are available where recorded.

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Immunoassay manufacturers worldwide at a glance

As of Oct 14, 2026
28.4%Verified-email coverage
50.5Average contacts per company
11-50Median size (employees)
1.4%Largest-city concentration · Tehran
Oct 14, 2026Page data refreshed

Companies by employee count

1-10
1,056
11-50
1,370
51-200
699
201-500
248
501-1,000
109
1,001-5,000
104
5,001-10,000
10
10001+
7

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 immunoassay manufacturers are linked below.
What qualifies
Company records worldwide whose business descriptions match “immunoassay manufacturers” 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 51,903 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 14, 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.

Immunoassay manufacturers by location

19 lists · largest first

Every Immunoassay manufacturers 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 “immunoassay manufacturers”; each Exact match badge shows search membership, not an individual similarity or quality score.

How many immunoassay manufacturers are there worldwide?

RevenueBase identified 3,620 company matches for immunoassay manufacturers 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?

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

Which country has the most immunoassay manufacturers?

The United States leads with 574 companies, followed by China (508) and India (319). Every immunoassay manufacturers list by country and city is linked on this page.

Which city has the most immunoassay manufacturers?

Tehran leads with 50 company records, followed by Shenzhen (38) and New Delhi (36).

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 51,903 professional contacts with verified work emails tracked across these 3,620 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 14, 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.