Company lists · Data refreshed October 2026
Top 25 Immunoassay test manufacturers based in the United States
RevenueBase identified 165 company matches for immunoassay test manufacturers associated with the United States as of October 2026 and tracks 5,882 professional contacts across them, including 2,785 with verified work emails. Portland is the largest hub.
This list covers company matches for immunoassay test manufacturers associated with the United States, 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.
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.
The 25 largest immunoassay test manufacturers based in the United States
Ranked by team size| # | Company | Contacts | |||
|---|---|---|---|---|---|
| 1 | 1,352 contacts → | ||||
Exact match Recorded description not available. Recorded in the RevenueBase company graph · Oct 14, 2026 · View company records in RevenueBase | |||||
| 2 | 684 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 | |||||
| 3 | 456 contacts → | ||||
Exact match Recorded description not available. Recorded in the RevenueBase company graph · Oct 14, 2026 · View company records in RevenueBase | |||||
| 4 | 447 contacts → | ||||
Exact match “Headquartered in Burlington, MA, for 40 years SEKISUI Diagnostics has been committed to helping improve the lives of patients by providing innovative medical diagnostics to…” Recorded in the RevenueBase company graph · Oct 14, 2026 · View company records in RevenueBase | |||||
| 5 | 161 contacts → | ||||
Exact match “LGC Clinical Diagnostics’ KPL portfolio includes a range of over 800 reagents and kits for immunoassays, immunohistochemistry, infectivity assays and flow cytometry.” Recorded in the RevenueBase company graph · Oct 14, 2026 · View company records in RevenueBase | |||||
| 6 | 127 contacts → | ||||
Exact match “Eurofins DiscoverX, the products company of Eurofins Discovery, is committed to enabling and accelerating multi-modality drug discovery and development from discovery to QC lot…” Recorded in the RevenueBase company graph · Oct 14, 2026 · View company records in RevenueBase | |||||
| 7 | 119 contacts → | ||||
Exact match “Helena Laboratories is a clinical laboratory instrument and reagent manufacturer.” Recorded in the RevenueBase company graph · Oct 14, 2026 · View company records in RevenueBase | |||||
| 8 | 118 contacts → | ||||
Exact match “Rules-Based Medicine (RBM), an IQVIA business, provides specialty immunoassay testing.” Recorded in the RevenueBase company graph · Oct 14, 2026 · View company records in RevenueBase | |||||
| 9 | 102 contacts → | ||||
Exact match “Founded in 1981, HYCOR Biomedical is a global manufacturer and marketer of in vitro diagnostic products.” Recorded in the RevenueBase company graph · Oct 14, 2026 · View company records in RevenueBase | |||||
| 10 | 98 contacts → | ||||
Exact match “Diazyme uses its proprietary enzyme technologies to develop diagnostic reagents which can be used on most automated chemistry analyzers in user-friendly formats.” Recorded in the RevenueBase company graph · Oct 14, 2026 · View company records in RevenueBase | |||||
| 11 | 92 contacts → | ||||
Exact match “Sebia is a global leader in specialized in vitro diagnostics, providing instruments and reagents for screening and monitoring diseases in Oncology (Multiple Myeloma), Diabetes…” Recorded in the RevenueBase company graph · Oct 14, 2026 · View company records in RevenueBase | |||||
| 12 | 87 contacts → | ||||
Exact match Recorded description not available. Recorded in the RevenueBase company graph · Oct 14, 2026 · View company records in RevenueBase | |||||
| 13 | 71 contacts → | ||||
Exact match “Lumos Diagnostics (ASX:LDX) specializes in rapid, cost-effective and complete point-of-care (POC) diagnostic test technology to help healthcare professionals more accurately…” Recorded in the RevenueBase company graph · Oct 14, 2026 · View company records in RevenueBase | |||||
| 14 | 64 contacts → | ||||
Exact match “Wondfo Biotech Co, Ltd.” Recorded in the RevenueBase company graph · Oct 14, 2026 · View company records in RevenueBase | |||||
| 15 | 60 contacts → | ||||
Exact match “Founded in 1982, Awareness Technology, Inc.” Recorded in the RevenueBase company graph · Oct 14, 2026 · View company records in RevenueBase | |||||
| 16 | 54 contacts → | ||||
Exact match “Lin-Zhi International, Inc.(LZI), located in Santa Clara, California, is a biotechnology company that has been in business since 1998.” Recorded in the RevenueBase company graph · Oct 14, 2026 · View company records in RevenueBase | |||||
| 17 | 52 contacts → | ||||
Exact match “VMRD was founded in 1981 by D.” Recorded in the RevenueBase company graph · Oct 14, 2026 · View company records in RevenueBase | |||||
| 18 | 51 contacts → | ||||
Exact match “We are a leading global developer and provider of innovative molecular and immunodiagnostic products focused on infectious and gastroenterological diseases.” Recorded in the RevenueBase company graph · Oct 14, 2026 · View company records in RevenueBase | |||||
| 19 | 49 contacts → | ||||
Exact match “Alfa Wassermann Diagnostic Technologies, LLC is a leading provider of medical diagnostic instrumentation and reagents to the physician office, veterinary lab, and…” Recorded in the RevenueBase company graph · Oct 14, 2026 · View company records in RevenueBase | |||||
| 20 | 44 contacts → | ||||
Exact match “Calbiotech is a worldwide leader in immunoassay development and manufacturing.” Recorded in the RevenueBase company graph · Oct 14, 2026 · View company records in RevenueBase | |||||
| 21 | 42 contacts → | ||||
Exact match Recorded description not available. Recorded in the RevenueBase company graph · Oct 14, 2026 · View company records in RevenueBase | |||||
| 22 | 38 contacts → | ||||
Exact match “Alfa Scientific Designs, Inc.(ALFA) is a leader in the development and manufacturing of rapid medical tests.” Recorded in the RevenueBase company graph · Oct 14, 2026 · View company records in RevenueBase | |||||
| 23 | 37 contacts → | ||||
Exact match “NOWDiagnostics (NOWDx) develops and manufactures over-the-counter (OTC) and point-of-care (POC) diagnostic tests.” Recorded in the RevenueBase company graph · Oct 14, 2026 · View company records in RevenueBase | |||||
| 24 | 36 contacts → | ||||
Exact match “ZEUS Scientific is your first choice for high-performing, easy-to-use clinical diagnostic solutions.” Recorded in the RevenueBase company graph · Oct 14, 2026 · View company records in RevenueBase | |||||
| 25 | 34 contacts → | ||||
Exact match “Arlington Scientific, Inc® (ASI) is a USA based industry leading global medical technology company that develops, manufactures, and sells in-vitro diagnostics, nonmammalian…” Recorded in the RevenueBase company graph · Oct 14, 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 “immunoassay test manufacturers”. 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 165 immunoassay test manufacturers based in the United States
See the full list, filter by size, metro and specialty, and access 2,785 tracked professional contacts with verified work emails. Direct dials are available where recorded.
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Immunoassay test manufacturers based in the United States at a glance
As of Oct 14, 2026Companies by employee count
Email recency for this list is measured worldwide rather than for United States, so it is reported there. Company counts and contact totals on this page are exact for United States, over 165 companies.
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.
- What qualifies
- Company records associated with the United States whose business descriptions match “immunoassay test 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. Where headquarters information is recorded, preview rows are also filtered to this page’s location. 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 2,785 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.
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 test manufacturers”; each Exact match badge shows search membership, not an individual similarity or quality score.
How many immunoassay test manufacturers are there based in the United States?
RevenueBase identified 165 company matches for immunoassay test manufacturers associated with the United States 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?
Sysmex America, INC tops the displayed preview by professional contacts tracked in RevenueBase. Recorded headquarters appear in the company rows.
Which city has the most immunoassay test manufacturers?
Portland leads with 5 company records, followed by Rockville (4) and Houston (3).
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 2,785 professional contacts with verified work emails tracked across these 165 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.
Ready to reach these companies? Verified emails and direct dials for all 165 immunoassay test manufacturers based in the United States. Start with a free account, no credit card.
Download this list →Related lists
Immunoassay test manufacturers by geography
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.
More company lists
- All company lists
- Lists by location
- Lists A-Z
- New lists
- Immunoassay test manufacturers based in Brazil
- Immunoassay test manufacturers based in France
- Immunoassay test manufacturers based in Germany
- Immunoassay test manufacturers based in India
- Immunoassay test manufacturers based in the United Kingdom
- AI companies based in the United States
Company intelligence · public preview
Top 25 immunoassay test manufacturers based in the United States
Find companies in any niche.
Describe the businesses you want in your own words. RevenueBase SmartSearch matches company descriptions by meaning.
RevenueBase records 165 matching company records for immunoassay test manufacturers based in the United States, with 5,882 tracked contacts and 2,785 verified work emails.
This public preview shows 25 selected records ordered by tracked contacts. RevenueBase SmartSearch finds company descriptions that match by meaning at Exact. Snapshot: October 14, 2026.
RevenueBase compiles business descriptions for niche-company discovery; each row shows a recorded excerpt where available. Adapt this search to find the companies and contacts you want.
Top 25 immunoassay test manufacturers based in the United States
The public list shows selected company records with contact and verified-email coverage. Reported employee bands provide separate company-size context.
| # | Company | Headquarters on record | Reported employees | RevenueBase SmartSearch | Tracked contacts |
|---|---|---|---|---|---|
| 1 |  Sysmex America, INCsysmex.comHQ: Lincolnshire, IL, United StatesReported employees: 1,001-5,000 | Lincolnshire, IL, United States | 1,001-5,000 | Exact match | 1,352 contacts → |
No recorded description excerpt is available for this public record. | |||||
| 2 | Meridian Bioscience INCmeridianbioscience.com HQ: Cincinnati, OH, United StatesReported employees: 501-1,000 | Cincinnati, OH, United States | 501-1,000 | Exact match | 684 contacts → |
“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 description excerpt · October 14, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 3 | Orasure Technologies, INCorasure.com HQ: Bethlehem, PA, United StatesReported employees: 501-1,000 | Bethlehem, PA, United States | 501-1,000 | Exact match | 456 contacts → |
No recorded description excerpt is available for this public record. | |||||
| 4 |  Sekisui Diagnosticssekisuidiagnostics.comHQ: Burlington, MA, United StatesReported employees: 201-500 | Burlington, MA, United States | 201-500 | Exact match | 447 contacts → |
“Headquartered in Burlington, MA, for 40 years SEKISUI Diagnostics has been committed to helping improve the lives of patients by providing innovative medical diagnostics to…” Recorded description excerpt · October 14, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 5 | KPL Part Of LGC Clinical Diagnosticsseracare.com HQ: Gaithersburg, MD, United StatesReported employees: 51-200 | Gaithersburg, MD, United States | 51-200 | Exact match | 161 contacts → |
“LGC Clinical Diagnostics’ KPL portfolio includes a range of over 800 reagents and kits for immunoassays, immunohistochemistry, infectivity assays and flow cytometry.” Recorded description excerpt · October 14, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 6 | Eurofins Discoverxdiscoverx.com HQ: Fremont, CA, United StatesReported employees: 51-200 | Fremont, CA, United States | 51-200 | Exact match | 127 contacts → |
“Eurofins DiscoverX, the products company of Eurofins Discovery, is committed to enabling and accelerating multi-modality drug discovery and development from discovery to QC lot…” Recorded description excerpt · October 14, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 7 |  Helena Laboratories Corporationhelena.comHQ: Beaumont, TX, United StatesReported employees: 201-500 | Beaumont, TX, United States | 201-500 | Exact match | 119 contacts → |
“Helena Laboratories is a clinical laboratory instrument and reagent manufacturer.” Recorded description excerpt · October 14, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 8 |  Rules-Based Medicine, An Iqvia Businessrbm.iqvia.comHQ: Austin, TX, United StatesReported employees: 51-200 | Austin, TX, United States | 51-200 | Exact match | 118 contacts → |
“Rules-Based Medicine (RBM), an IQVIA business, provides specialty immunoassay testing.” Recorded description excerpt · October 14, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 9 |  Hycor Biomedical LLChycorbiomedical.comHQ: Garden Grove, CA, United StatesReported employees: 51-200 | Garden Grove, CA, United States | 51-200 | Exact match | 102 contacts → |
“Founded in 1981, HYCOR Biomedical is a global manufacturer and marketer of in vitro diagnostic products.” Recorded description excerpt · October 14, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 10 | Diazyme Laboratories, INCdiazyme.com HQ: Poway, CA, United StatesReported employees: 51-200 | Poway, CA, United States | 51-200 | Exact match | 98 contacts → |
“Diazyme uses its proprietary enzyme technologies to develop diagnostic reagents which can be used on most automated chemistry analyzers in user-friendly formats.” Recorded description excerpt · October 14, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 11 |  Sebia USAsebia.comHQ: Norcross, GA, United StatesReported employees: 51-200 | Norcross, GA, United States | 51-200 | Exact match | 92 contacts → |
“Sebia is a global leader in specialized in vitro diagnostics, providing instruments and reagents for screening and monitoring diseases in Oncology (Multiple Myeloma), Diabetes…” Recorded description excerpt · October 14, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 12 | Nittobo America INCnittobous.com HQ: Murrieta, CA, United StatesReported employees: 51-200 | Murrieta, CA, United States | 51-200 | Exact match | 87 contacts → |
No recorded description excerpt is available for this public record. | |||||
| 13 | Lumos Diagnosticslumosdiagnostics.com HQ: Carlsbad, CA, United StatesReported employees: 51-200 | Carlsbad, CA, United States | 51-200 | Exact match | 71 contacts → |
“Lumos Diagnostics (ASX:LDX) specializes in rapid, cost-effective and complete point-of-care (POC) diagnostic test technology to help healthcare professionals more accurately…” Recorded description excerpt · October 14, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 14 | Wondfo USAwondfousa.com HQ: Bolingbrook, IL, United StatesReported employees: 51-200 | Bolingbrook, IL, United States | 51-200 | Exact match | 64 contacts → |
“Wondfo Biotech Co, Ltd.” Recorded description excerpt · October 14, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 15 | Awareness Technology, INCawaretech.com HQ: Palm City, FL, United StatesReported employees: 51-200 | Palm City, FL, United States | 51-200 | Exact match | 60 contacts → |
“Founded in 1982, Awareness Technology, Inc.” Recorded description excerpt · October 14, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 16 |  Lin-Zhi International, INClin-zhi.comHQ: Santa Clara, CA, United StatesReported employees: 11-50 | Santa Clara, CA, United States | 11-50 | Exact match | 54 contacts → |
“Lin-Zhi International, Inc.(LZI), located in Santa Clara, California, is a biotechnology company that has been in business since 1998.” Recorded description excerpt · October 14, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 17 | Vmrd, INCvmrd.com HQ: Pullman, WA, United StatesReported employees: 51-200 | Pullman, WA, United States | 51-200 | Exact match | 52 contacts → |
“VMRD was founded in 1981 by D.” Recorded description excerpt · October 14, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 18 |  ALPCOalpco.comHQ: Salem, NH, United StatesReported employees: 11-50 | Salem, NH, United States | 11-50 | Exact match | 51 contacts → |
“We are a leading global developer and provider of innovative molecular and immunodiagnostic products focused on infectious and gastroenterological diseases.” Recorded description excerpt · October 14, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 19 |  Alfa Wassermann Diagnostic Technologiesalfawassermannus.comHQ: West Caldwell, NJ, United StatesReported employees: 51-200 | West Caldwell, NJ, United States | 51-200 | Exact match | 49 contacts → |
“Alfa Wassermann Diagnostic Technologies, LLC is a leading provider of medical diagnostic instrumentation and reagents to the physician office, veterinary lab, and…” Recorded description excerpt · October 14, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 20 | Calbiotech, INCcalbiotech.com HQ: El Cajon, CA, United StatesReported employees: 11-50 | El Cajon, CA, United States | 11-50 | Exact match | 44 contacts → |
“Calbiotech is a worldwide leader in immunoassay development and manufacturing.” Recorded description excerpt · October 14, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 21 | Grifols Diagnostic Solutions INCdiagnostic.grifols.com HQ: Emeryville, CA, United StatesReported employees: 1,001-5,000 | Emeryville, CA, United States | 1,001-5,000 | Exact match | 42 contacts → |
No recorded description excerpt is available for this public record. | |||||
| 22 |  Alfa Scientific Designs, INCalfascientific.comHQ: Poway, CA, United StatesReported employees: 51-200 | Poway, CA, United States | 51-200 | Exact match | 38 contacts → |
“Alfa Scientific Designs, Inc.(ALFA) is a leader in the development and manufacturing of rapid medical tests.” Recorded description excerpt · October 14, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 23 | Nowdiagnostics Nowdxnowdx.com HQ: Springdale, AR, United StatesReported employees: 11-50 | Springdale, AR, United States | 11-50 | Exact match | 37 contacts → |
“NOWDiagnostics (NOWDx) develops and manufactures over-the-counter (OTC) and point-of-care (POC) diagnostic tests.” Recorded description excerpt · October 14, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 24 | Zeus Scientific IS NOW Sebiazeusscientific.com HQ: Branchburg, NJ, United StatesReported employees: 51-200 | Branchburg, NJ, United States | 51-200 | Exact match | 36 contacts → |
“ZEUS Scientific is your first choice for high-performing, easy-to-use clinical diagnostic solutions.” Recorded description excerpt · October 14, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 25 |  Arlington Scientific, INCarlingtonscientific.comHQ: Springville, UT, United StatesReported employees: 11-50 | Springville, UT, United States | 11-50 | Exact match | 34 contacts → |
“Arlington Scientific, Inc® (ASI) is a USA based industry leading global medical technology company that develops, manufactures, and sells in-vitro diagnostics, nonmammalian…” Recorded description excerpt · October 14, 2026Open company data in RevenueBase ↗Free signup required. | |||||
Showing 25 of 165 company matches
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Immunoassay test manufacturers: dataset insights
October 14, 2026These summaries describe recorded coverage in this saved dataset. This page is derived from saved source records; per-contact mobile coverage and email-recency results are not established by this snapshot.
Reported company sizes
165 records in the displayed employee bands.
0 matching records are outside the displayed bands or do not have a displayed size. Bars show shares of the displayed bands.
Email recency for this list is measured worldwide rather than for United States, so it is reported there. Company counts and contact totals on this page are exact for United States, over 165 companies.
How this company list was built
Describe a niche in your own words: companies installing commercial solar, or manufacturers of sustainable packaging. RevenueBase SmartSearch finds companies whose compiled business descriptions match by meaning. This list is one saved example to adapt.
Where the company descriptions come from
RevenueBase compiles company information from public sources, including company websites and public professional profiles such as LinkedIn, alongside information supplied by companies. The short recorded excerpt shown here is separate from the complete business description used for matching; individual source URLs and collection dates are not provided in this public snapshot.
RevenueBase SmartSearch matching settings
- Exact
- Closest fits to the business described.
- Similar
- Similar businesses with a wider range of fits.
- Related
- Related businesses in and around the category.
- Broad
- A broader set of businesses connected to the description.
RevenueBase SmartSearch · Exact match identifies inclusion in this search's closest semantic matching setting. It is not a per-company confidence score, a literal keyword match, or a quality endorsement.
Selection, ordering and scope
The public list shows selected company records with contact and verified-email coverage. Reported employee bands provide separate company-size context.
This page is derived from saved source records; per-contact mobile coverage and email-recency results are not established by this snapshot.
Recorded company descriptions support research; check company websites for current services. The selected preview is ordered by tracked contacts and is not a list of the best service providers.
Snapshot: October 14, 2026.
RevenueBase is a B2B data infrastructure company. Its September 3, 2026 published methodology describes a graph of 60 million companies and 398.9 million professional contacts; these platform figures differ from this page's totals. Published methodology ↗
Questions about this company list
What does Exact match mean for immunoassay test manufacturers?
The separate RevenueBase SmartSearch column identifies inclusion at the closest semantic matching preset. It is not a literal keyword match, a per-company confidence score or a quality endorsement. Changing the search form opens a new search in RevenueBase; it does not reclassify these saved rows.
How many immunoassay test manufacturers did RevenueBase find based in the United States?
The saved snapshot records 165 matching company records, 5,882 tracked contacts and 2,785 verified emails. The public preview displays 25 selected records.
Where do the company descriptions come from?
RevenueBase compiles company information from public sources, including company websites and public professional profiles such as LinkedIn, alongside information supplied by companies. The short recorded excerpt shown here is separate from the complete business description used for matching; individual source URLs and collection dates are not provided in this public snapshot.
How are the public companies ordered?
The selected public records are ordered by contacts tracked in RevenueBase, highest first. Contact coverage is a prospecting measure, not an assessment of the company's services or quality.
How can I get contact information?
Select a company's contact count to open its filtered contacts in RevenueBase. Free signup is required and includes 500 credits and limited free results. Verified emails, direct dials and mobile numbers depend on available coverage.
How current is this list?
Snapshot: October 14, 2026. Review each company's website for current services and locations. A recorded business description does not establish that every company offers every service named in the search.
What do headquarters and employee bands mean?
These are recorded company-level fields, rather than a map of every branch or a count of specialists. Missing headquarters or employee bands are labeled; older records may show a location separately from recorded headquarters.
Build your next target company list
Adapt this niche search and work with available contacts in RevenueBase.
Related lists
Immunoassay test manufacturers by geography
Cite this list
RevenueBase Data Team. Top 25 immunoassay test manufacturers based in the United States. Snapshot: October 14, 2026. https://revenuebase.ai/companies/immunoassay-test-manufacturers/united-states.
This is a selected public preview of saved company records, rather than an independently verified census. Open the source page ↗
More company lists
- All company lists
- Lists by location
- Lists A-Z
- New lists
- Immunoassay test manufacturers based in Brazil
- Immunoassay test manufacturers based in France
- Immunoassay test manufacturers based in Germany
- Immunoassay test manufacturers based in India
- Immunoassay test manufacturers based in the United Kingdom
- AI companies based in the United States
Company intelligence · public preview
Top 25 immunoassay test manufacturers based in the United States
RevenueBase records 165 matching company records for immunoassay test manufacturers based in the United States, with 5,882 tracked contacts and 2,785 verified work emails.
This public preview shows 25 selected records ordered by tracked contacts. RevenueBase SmartSearch finds company descriptions that match by meaning at Exact. Snapshot: October 14, 2026.
RevenueBase compiles business descriptions for niche-company discovery; each row shows a recorded excerpt where available. Adapt this search to find the companies and contacts you want.
Top 25 immunoassay test manufacturers based in the United States
The public list shows selected company records with contact and verified-email coverage. Reported employee bands provide separate company-size context.
| # | Company | Headquarters on record | Reported employees | RevenueBase SmartSearch | Tracked contacts |
|---|---|---|---|---|---|
| 1 | Sysmex America, INCsysmex.com HQ: Lincolnshire, IL, United StatesReported employees: 1,001-5,000 | Lincolnshire, IL, United States | 1,001-5,000 | Exact match | 1,352 contacts → |
No recorded description excerpt is available for this public record. | |||||
| 2 | Meridian Bioscience INCmeridianbioscience.com HQ: Cincinnati, OH, United StatesReported employees: 501-1,000 | Cincinnati, OH, United States | 501-1,000 | Exact match | 684 contacts → |
“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 description excerpt · October 14, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 3 | Orasure Technologies, INCorasure.com HQ: Bethlehem, PA, United StatesReported employees: 501-1,000 | Bethlehem, PA, United States | 501-1,000 | Exact match | 456 contacts → |
No recorded description excerpt is available for this public record. | |||||
| 4 | Sekisui Diagnosticssekisuidiagnostics.com HQ: Burlington, MA, United StatesReported employees: 201-500 | Burlington, MA, United States | 201-500 | Exact match | 447 contacts → |
“Headquartered in Burlington, MA, for 40 years SEKISUI Diagnostics has been committed to helping improve the lives of patients by providing innovative medical diagnostics to…” Recorded description excerpt · October 14, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 5 | KPL Part Of LGC Clinical Diagnosticsseracare.com HQ: Gaithersburg, MD, United StatesReported employees: 51-200 | Gaithersburg, MD, United States | 51-200 | Exact match | 161 contacts → |
“LGC Clinical Diagnostics’ KPL portfolio includes a range of over 800 reagents and kits for immunoassays, immunohistochemistry, infectivity assays and flow cytometry.” Recorded description excerpt · October 14, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 6 | Eurofins Discoverxdiscoverx.com HQ: Fremont, CA, United StatesReported employees: 51-200 | Fremont, CA, United States | 51-200 | Exact match | 127 contacts → |
“Eurofins DiscoverX, the products company of Eurofins Discovery, is committed to enabling and accelerating multi-modality drug discovery and development from discovery to QC lot…” Recorded description excerpt · October 14, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 7 | Helena Laboratories Corporationhelena.com HQ: Beaumont, TX, United StatesReported employees: 201-500 | Beaumont, TX, United States | 201-500 | Exact match | 119 contacts → |
“Helena Laboratories is a clinical laboratory instrument and reagent manufacturer.” Recorded description excerpt · October 14, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 8 | Rules-Based Medicine, An Iqvia Businessrbm.iqvia.com HQ: Austin, TX, United StatesReported employees: 51-200 | Austin, TX, United States | 51-200 | Exact match | 118 contacts → |
“Rules-Based Medicine (RBM), an IQVIA business, provides specialty immunoassay testing.” Recorded description excerpt · October 14, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 9 | Hycor Biomedical LLChycorbiomedical.com HQ: Garden Grove, CA, United StatesReported employees: 51-200 | Garden Grove, CA, United States | 51-200 | Exact match | 102 contacts → |
“Founded in 1981, HYCOR Biomedical is a global manufacturer and marketer of in vitro diagnostic products.” Recorded description excerpt · October 14, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 10 | Diazyme Laboratories, INCdiazyme.com HQ: Poway, CA, United StatesReported employees: 51-200 | Poway, CA, United States | 51-200 | Exact match | 98 contacts → |
“Diazyme uses its proprietary enzyme technologies to develop diagnostic reagents which can be used on most automated chemistry analyzers in user-friendly formats.” Recorded description excerpt · October 14, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 11 | Sebia USAsebia.com HQ: Norcross, GA, United StatesReported employees: 51-200 | Norcross, GA, United States | 51-200 | Exact match | 92 contacts → |
“Sebia is a global leader in specialized in vitro diagnostics, providing instruments and reagents for screening and monitoring diseases in Oncology (Multiple Myeloma), Diabetes…” Recorded description excerpt · October 14, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 12 | Nittobo America INCnittobous.com HQ: Murrieta, CA, United StatesReported employees: 51-200 | Murrieta, CA, United States | 51-200 | Exact match | 87 contacts → |
No recorded description excerpt is available for this public record. | |||||
| 13 | Lumos Diagnosticslumosdiagnostics.com HQ: Carlsbad, CA, United StatesReported employees: 51-200 | Carlsbad, CA, United States | 51-200 | Exact match | 71 contacts → |
“Lumos Diagnostics (ASX:LDX) specializes in rapid, cost-effective and complete point-of-care (POC) diagnostic test technology to help healthcare professionals more accurately…” Recorded description excerpt · October 14, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 14 | Wondfo USAwondfousa.com HQ: Bolingbrook, IL, United StatesReported employees: 51-200 | Bolingbrook, IL, United States | 51-200 | Exact match | 64 contacts → |
“Wondfo Biotech Co, Ltd.” Recorded description excerpt · October 14, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 15 | Awareness Technology, INCawaretech.com HQ: Palm City, FL, United StatesReported employees: 51-200 | Palm City, FL, United States | 51-200 | Exact match | 60 contacts → |
“Founded in 1982, Awareness Technology, Inc.” Recorded description excerpt · October 14, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 16 | Lin-Zhi International, INClin-zhi.com HQ: Santa Clara, CA, United StatesReported employees: 11-50 | Santa Clara, CA, United States | 11-50 | Exact match | 54 contacts → |
“Lin-Zhi International, Inc.(LZI), located in Santa Clara, California, is a biotechnology company that has been in business since 1998.” Recorded description excerpt · October 14, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 17 | Vmrd, INCvmrd.com HQ: Pullman, WA, United StatesReported employees: 51-200 | Pullman, WA, United States | 51-200 | Exact match | 52 contacts → |
“VMRD was founded in 1981 by D.” Recorded description excerpt · October 14, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 18 | ALPCOalpco.com HQ: Salem, NH, United StatesReported employees: 11-50 | Salem, NH, United States | 11-50 | Exact match | 51 contacts → |
“We are a leading global developer and provider of innovative molecular and immunodiagnostic products focused on infectious and gastroenterological diseases.” Recorded description excerpt · October 14, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 19 | Alfa Wassermann Diagnostic Technologiesalfawassermannus.com HQ: West Caldwell, NJ, United StatesReported employees: 51-200 | West Caldwell, NJ, United States | 51-200 | Exact match | 49 contacts → |
“Alfa Wassermann Diagnostic Technologies, LLC is a leading provider of medical diagnostic instrumentation and reagents to the physician office, veterinary lab, and…” Recorded description excerpt · October 14, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 20 | Calbiotech, INCcalbiotech.com HQ: El Cajon, CA, United StatesReported employees: 11-50 | El Cajon, CA, United States | 11-50 | Exact match | 44 contacts → |
“Calbiotech is a worldwide leader in immunoassay development and manufacturing.” Recorded description excerpt · October 14, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 21 | Grifols Diagnostic Solutions INCdiagnostic.grifols.com HQ: Emeryville, CA, United StatesReported employees: 1,001-5,000 | Emeryville, CA, United States | 1,001-5,000 | Exact match | 42 contacts → |
No recorded description excerpt is available for this public record. | |||||
| 22 | Alfa Scientific Designs, INCalfascientific.com HQ: Poway, CA, United StatesReported employees: 51-200 | Poway, CA, United States | 51-200 | Exact match | 38 contacts → |
“Alfa Scientific Designs, Inc.(ALFA) is a leader in the development and manufacturing of rapid medical tests.” Recorded description excerpt · October 14, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 23 | Nowdiagnostics Nowdxnowdx.com HQ: Springdale, AR, United StatesReported employees: 11-50 | Springdale, AR, United States | 11-50 | Exact match | 37 contacts → |
“NOWDiagnostics (NOWDx) develops and manufactures over-the-counter (OTC) and point-of-care (POC) diagnostic tests.” Recorded description excerpt · October 14, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 24 | Zeus Scientific IS NOW Sebiazeusscientific.com HQ: Branchburg, NJ, United StatesReported employees: 51-200 | Branchburg, NJ, United States | 51-200 | Exact match | 36 contacts → |
“ZEUS Scientific is your first choice for high-performing, easy-to-use clinical diagnostic solutions.” Recorded description excerpt · October 14, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 25 | Arlington Scientific, INCarlingtonscientific.com HQ: Springville, UT, United StatesReported employees: 11-50 | Springville, UT, United States | 11-50 | Exact match | 34 contacts → |
“Arlington Scientific, Inc® (ASI) is a USA based industry leading global medical technology company that develops, manufactures, and sells in-vitro diagnostics, nonmammalian…” Recorded description excerpt · October 14, 2026Open company data in RevenueBase ↗Free signup required. | |||||
Showing 25 of 165 company matches
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Immunoassay test manufacturers: dataset insights
October 14, 2026These summaries describe recorded coverage in this saved dataset. This page is derived from saved source records; per-contact mobile coverage and email-recency results are not established by this snapshot.
Reported company sizes
165 records in the displayed employee bands.
0 matching records are outside the displayed bands or do not have a displayed size. Bars show shares of the displayed bands.
Email recency for this list is measured worldwide rather than for United States, so it is reported there. Company counts and contact totals on this page are exact for United States, over 165 companies.
How this company list was built
Describe a niche in your own words: companies installing commercial solar, or manufacturers of sustainable packaging. RevenueBase SmartSearch finds companies whose compiled business descriptions match by meaning. This list is one saved example to adapt.
Where the company descriptions come from
RevenueBase compiles company information from public sources, including company websites and public professional profiles such as LinkedIn, alongside information supplied by companies. The short recorded excerpt shown here is separate from the complete business description used for matching; individual source URLs and collection dates are not provided in this public snapshot.
RevenueBase SmartSearch matching settings
- Exact
- Closest fits to the business described.
- Similar
- Similar businesses with a wider range of fits.
- Related
- Related businesses in and around the category.
- Broad
- A broader set of businesses connected to the description.
RevenueBase SmartSearch · Exact match identifies inclusion in this search's closest semantic matching setting. It is not a per-company confidence score, a literal keyword match, or a quality endorsement.
Selection, ordering and scope
The public list shows selected company records with contact and verified-email coverage. Reported employee bands provide separate company-size context.
This page is derived from saved source records; per-contact mobile coverage and email-recency results are not established by this snapshot.
Recorded company descriptions support research; check company websites for current services. The selected preview is ordered by tracked contacts and is not a list of the best service providers.
Snapshot: October 14, 2026.
RevenueBase is a B2B data infrastructure company. Its September 3, 2026 published methodology describes a graph of 60 million companies and 398.9 million professional contacts; these platform figures differ from this page's totals. Published methodology ↗
Questions about this company list
What does Exact match mean for immunoassay test manufacturers?
The separate RevenueBase SmartSearch column identifies inclusion at the closest semantic matching preset. It is not a literal keyword match, a per-company confidence score or a quality endorsement. Changing the search form opens a new search in RevenueBase; it does not reclassify these saved rows.
How many immunoassay test manufacturers did RevenueBase find based in the United States?
The saved snapshot records 165 matching company records, 5,882 tracked contacts and 2,785 verified emails. The public preview displays 25 selected records.
Where do the company descriptions come from?
RevenueBase compiles company information from public sources, including company websites and public professional profiles such as LinkedIn, alongside information supplied by companies. The short recorded excerpt shown here is separate from the complete business description used for matching; individual source URLs and collection dates are not provided in this public snapshot.
How are the public companies ordered?
The selected public records are ordered by contacts tracked in RevenueBase, highest first. Contact coverage is a prospecting measure, not an assessment of the company's services or quality.
How can I get contact information?
Select a company's contact count to open its filtered contacts in RevenueBase. Free signup is required and includes 500 credits and limited free results. Verified emails, direct dials and mobile numbers depend on available coverage.
How current is this list?
Snapshot: October 14, 2026. Review each company's website for current services and locations. A recorded business description does not establish that every company offers every service named in the search.
What do headquarters and employee bands mean?
These are recorded company-level fields, rather than a map of every branch or a count of specialists. Missing headquarters or employee bands are labeled; older records may show a location separately from recorded headquarters.
Build your next target company list
Adapt this niche search and work with available contacts in RevenueBase.
Related lists
Immunoassay test manufacturers by geography
Cite this list
RevenueBase Data Team. Top 25 immunoassay test manufacturers based in the United States. Snapshot: October 14, 2026. https://revenuebase.ai/companies/immunoassay-test-manufacturers/united-states.
This is a selected public preview of saved company records, rather than an independently verified census. Open the source page ↗
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