Company lists · Data refreshed November 2026
Top 25 Bioassay development services based in the United States
RevenueBase identified 224 company matches for bioassay development services associated with the United States as of November 2026 and tracks 12,730 professional contacts across them, including 4,589 with verified work emails. San Diego is the largest hub.
This list covers company matches for bioassay development services 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 November 6, 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 bioassay development services based in the United States
Ranked by team size| # | Company | Contacts | |||
|---|---|---|---|---|---|
| 1 | 5,439 contacts → | ||||
Exact match “As the drug development business of Laboratory Corporation of America Holdings (Labcorp) and the world’s most comprehensive drug development #CRO service company, we have helped…” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase | |||||
| 2 | 945 contacts → | ||||
Exact match “BioAgilytix is a leading global contract research organization focused on supporting pharmaceutical and biotech partners in all phases of drug development.” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase | |||||
| 3 | 619 contacts → | ||||
Exact match “QPS is a GLP/GCP-compliant contract research organization (CRO) delivering the highest grade of discovery, preclinical, and clinical drug development services.” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase | |||||
| 4 | 374 contacts → | ||||
Exact match “KCAS Bio is a top-tier contract research organization (CRO) that has 45 years of experience with both large pharma and biotech sponsors, providing comprehensive bioanalytical drug…” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase | |||||
| 5 | 357 contacts → | ||||
Exact match “At Personalis, we are transforming the active management of cancer through breakthrough personalized testing.” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase | |||||
| 6 | 225 contacts → | ||||
Exact match “Biocytogen provides integrated solutions for next-generation antibody drug development to the global biomedical communities.” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase | |||||
| 7 | 201 contacts → | ||||
Exact match Recorded description not available. Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase | |||||
| 8 | 138 contacts → | ||||
Exact match “Immunologix Laboratories is a unique scientific partner, offering GLP and GCP compliant laboratory capabilities focused on ligand binding-based bioanalysis coupled with expert…” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase | |||||
| 9 | 135 contacts → | ||||
Exact match “Aliri is committed to solving industry challenges by bringing innovative bioanalysis and spatial solutions to biotech and pharma, as the complexity of the drug development…” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase | |||||
| 10 | 130 contacts → | ||||
Exact match “Reaction Biology specializes in answering your complex scientific questions to accelerate the development of your breakthrough therapeutic candidates.” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase | |||||
| 11 | 129 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 · Nov 6, 2026 · View company records in RevenueBase | |||||
| 12 | 101 contacts → | ||||
Exact match “At the forefront of genetic and biologic therapy innovation, Franklin Biolabs is a fully integrated preclinical CRO with a proven record of taking breakthrough therapies from…” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase | |||||
| 13 | 101 contacts → | ||||
Exact match “Nitto Avecia Pharma Services is your single source for analytical services for the pharma, biotech, and medical device industries.” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase | |||||
| 14 | 83 contacts → | ||||
Exact match “DCN Dx specializes in the contract development of rapid point of care tests.” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase | |||||
| 15 | 76 contacts → | ||||
Exact match “Eurofins Viracor BioPharma is a trusted provider of drug development solutions to pharmaceutical and contract research organizations.” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase | |||||
| 16 | 72 contacts → | ||||
Exact match “Cygnus Technologies, part of Maravai LifeSciences, provides best-in-class analytical tools and solutions to help companies developing therapeutic proteins, vaccines, antibodies…” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase | |||||
| 17 | 71 contacts → | ||||
Exact match “At Alturas Analytics, we deliver results on time with the highest level of integrity.” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase | |||||
| 18 | 65 contacts → | ||||
Exact match Recorded description not available. Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase | |||||
| 19 | 61 contacts → | ||||
Exact match “EpiVax has been providing immunogenicity expertise for over 25 years, helping pharmaceutical and biotech teams generate the insights they need to make informed decisions across…” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase | |||||
| 20 | 59 contacts → | ||||
Exact match “Avance Biosciences is a leading Contract Research Organization (CRO) and Contract Testing Organization (CTO) providing CGMP and GLP-compliant analytical and bioanalytical services…” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase | |||||
| 21 | 58 contacts → | ||||
Exact match “Smithers Pharmaceutical Development Services assists in the development of new medicines by providing bioanalytical services for all phases of drug development from discovery…” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase | |||||
| 22 | 52 contacts → | ||||
Exact match “B2S Life Sciences LLC is a partnership-focused biotherapeutic enablement company located in Franklin, Indiana.” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase | |||||
| 23 | 49 contacts → | ||||
Exact match “Primera Analytical Solutions is a GLP and GMP CRO in great standing with the FDA.” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase | |||||
| 24 | 46 contacts → | ||||
Exact match “Ichor Life Sciences is a longevity biotechnology company and end-to-end contract research organization.” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase | |||||
| 25 | 43 contacts → | ||||
Exact match “Accurant Biotech is a GxP-compliant contract research organization (CRO) specializing in bioanalytical support for large molecule and biologic therapeutics.” Recorded in the RevenueBase company graph · Nov 6, 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 “bioassay development services”. 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 224 bioassay development services based in the United States
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Bioassay development services based in the United States at a glance
As of Nov 6, 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 224 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 “bioassay development services” 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 4,589 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.
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 “bioassay development services”; each Exact match badge shows search membership, not an individual similarity or quality score.
How many bioassay development services are there based in the United States?
RevenueBase identified 224 company matches for bioassay development services associated with the United States 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?
Covance tops the displayed preview by professional contacts tracked in RevenueBase. Recorded headquarters appear in the company rows.
Which city has the most bioassay development services?
San Diego leads with 16 company records, followed by Madison (5) and Burlington (4).
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 4,589 professional contacts with verified work emails tracked across these 224 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.
Ready to reach these companies? Verified emails and direct dials for all 224 bioassay development services based in the United States. Start with a free account, no credit card.
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Bioassay development services 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
- Bioassay development services based in France
- Bioassay development services based in Germany
- Bioassay development services based in India
- Bioassay development services based in the United Kingdom
- AI companies based in the United States
- Cybersecurity companies based in the United States
Company intelligence · public preview
Top 25 bioassay development services 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 224 matching company records for bioassay development services based in the United States, with 12,730 tracked contacts and 4,589 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: November 6, 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 bioassay development services 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 |  Covancebiopharma.labcorp.comHQ: Princeton, WI, United StatesReported employees: 10001+ | Princeton, WI, United States | 10001+ | Exact match | 5,439 contacts → |
“As the drug development business of Laboratory Corporation of America Holdings (Labcorp) and the world’s most comprehensive drug development #CRO service company, we have helped…” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 2 |  Bioagilytixbioagilytix.comHQ: Durham, NC, United StatesReported employees: 1,001-5,000 | Durham, NC, United States | 1,001-5,000 | Exact match | 945 contacts → |
“BioAgilytix is a leading global contract research organization focused on supporting pharmaceutical and biotech partners in all phases of drug development.” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 3 |  QPS Holdings, LLCqps.comHQ: Newark, DE, United StatesReported employees: 1,001-5,000 | Newark, DE, United States | 1,001-5,000 | Exact match | 619 contacts → |
“QPS is a GLP/GCP-compliant contract research organization (CRO) delivering the highest grade of discovery, preclinical, and clinical drug development services.” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 4 |  Kcas BIOkcasbio.comHQ: Olathe, PA, United StatesReported employees: 201-500 | Olathe, PA, United States | 201-500 | Exact match | 374 contacts → |
“KCAS Bio is a top-tier contract research organization (CRO) that has 45 years of experience with both large pharma and biotech sponsors, providing comprehensive bioanalytical drug…” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 5 |  Personalis, INCpersonalis.comHQ: Fremont, CA, United StatesReported employees: 201-500 | Fremont, CA, United States | 201-500 | Exact match | 357 contacts → |
“At Personalis, we are transforming the active management of cancer through breakthrough personalized testing.” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 6 |  Biocytogenbiocytogen.comHQ: Waltham, MA, United StatesReported employees: 1,001-5,000 | Waltham, MA, United States | 1,001-5,000 | Exact match | 225 contacts → |
“Biocytogen provides integrated solutions for next-generation antibody drug development to the global biomedical communities.” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 7 |  Champions Oncology, INCchampionsoncology.comHQ: Hackensack, NJ, United StatesReported employees: 201-500 | Hackensack, NJ, United States | 201-500 | Exact match | 201 contacts → |
No recorded description excerpt is available for this public record. | |||||
| 8 |  Immunologix Laboratoriesimmunologixlabs.comHQ: Tampa, FL, United StatesReported employees: 51-200 | Tampa, FL, United States | 51-200 | Exact match | 138 contacts → |
“Immunologix Laboratories is a unique scientific partner, offering GLP and GCP compliant laboratory capabilities focused on ligand binding-based bioanalysis coupled with expert…” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 9 |  Aliri Bioanalysisaliribio.comHQ: Colorado Springs, CO, United StatesReported employees: 51-200 | Colorado Springs, CO, United States | 51-200 | Exact match | 135 contacts → |
“Aliri is committed to solving industry challenges by bringing innovative bioanalysis and spatial solutions to biotech and pharma, as the complexity of the drug development…” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 10 |  Reaction Biologyreactionbiology.comHQ: Malvern, PA, United StatesReported employees: 51-200 | Malvern, PA, United States | 51-200 | Exact match | 130 contacts → |
“Reaction Biology specializes in answering your complex scientific questions to accelerate the development of your breakthrough therapeutic candidates.” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 11 |  Eurofins Discoverxdiscoverx.comHQ: Fremont, CA, United StatesReported employees: 51-200 | Fremont, CA, United States | 51-200 | Exact match | 129 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 · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 12 |  Franklin Biolabsfranklinbio.comHQ: King Of Prussia, PA, United StatesReported employees: 51-200 | King Of Prussia, PA, United States | 51-200 | Exact match | 101 contacts → |
“At the forefront of genetic and biologic therapy innovation, Franklin Biolabs is a fully integrated preclinical CRO with a proven record of taking breakthrough therapies from…” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 13 |  Nitto Avecia Pharma Servicesaveciapharma.comHQ: Irvine, CA, United StatesReported employees: 51-200 | Irvine, CA, United States | 51-200 | Exact match | 101 contacts → |
“Nitto Avecia Pharma Services is your single source for analytical services for the pharma, biotech, and medical device industries.” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 14 |  DCN DXdcndx.comHQ: Carlsbad, CA, United StatesReported employees: 51-200 | Carlsbad, CA, United States | 51-200 | Exact match | 83 contacts → |
“DCN Dx specializes in the contract development of rapid point of care tests.” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 15 |  Eurofins Viracor Biopharma Serviceseurofins.comHQ: Lenexa, KS, United StatesReported employees: 201-500 | Lenexa, KS, United States | 201-500 | Exact match | 76 contacts → |
“Eurofins Viracor BioPharma is a trusted provider of drug development solutions to pharmaceutical and contract research organizations.” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 16 |  Cygnus Technologies, LLCcygnustechnologies.comHQ: Leland, NC, United StatesReported employees: 51-200 | Leland, NC, United States | 51-200 | Exact match | 72 contacts → |
“Cygnus Technologies, part of Maravai LifeSciences, provides best-in-class analytical tools and solutions to help companies developing therapeutic proteins, vaccines, antibodies…” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 17 |  Alturas Analytics, INCalturasanalytics.comHQ: Moscow, ID, United StatesReported employees: 51-200 | Moscow, ID, United States | 51-200 | Exact match | 71 contacts → |
“At Alturas Analytics, we deliver results on time with the highest level of integrity.” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 18 |  Hyperion Biotechnology, INChyperionbiotechnology.comHQ: San Antonio, TX, United StatesReported employees: 51-200 | San Antonio, TX, United States | 51-200 | Exact match | 65 contacts → |
No recorded description excerpt is available for this public record. | |||||
| 19 |  Epivax, INCepivax.comHQ: Providence, RI, United StatesReported employees: 11-50 | Providence, RI, United States | 11-50 | Exact match | 61 contacts → |
“EpiVax has been providing immunogenicity expertise for over 25 years, helping pharmaceutical and biotech teams generate the insights they need to make informed decisions across…” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 20 |  Avance Biosciences, INCavancebio.comHQ: Houston, TX, United StatesReported employees: 51-200 | Houston, TX, United States | 51-200 | Exact match | 59 contacts → |
“Avance Biosciences is a leading Contract Research Organization (CRO) and Contract Testing Organization (CTO) providing CGMP and GLP-compliant analytical and bioanalytical services…” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 21 |  Smitherssmithers.comHQ: Gaithersburg, MD, United StatesReported employees: 51-200 | Gaithersburg, MD, United States | 51-200 | Exact match | 58 contacts → |
“Smithers Pharmaceutical Development Services assists in the development of new medicines by providing bioanalytical services for all phases of drug development from discovery…” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 22 |  B2s Life Sciencesb2slifesciences.comHQ: Franklin, IN, United StatesReported employees: 11-50 | Franklin, IN, United States | 11-50 | Exact match | 52 contacts → |
“B2S Life Sciences LLC is a partnership-focused biotherapeutic enablement company located in Franklin, Indiana.” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 23 | Primera Analytical Solutions Corporationprimera-corp.com HQ: Princeton, NJ, United StatesReported employees: 51-200 | Princeton, NJ, United States | 51-200 | Exact match | 49 contacts → |
“Primera Analytical Solutions is a GLP and GMP CRO in great standing with the FDA.” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 24 |  Ichor Life Sciences, INCichorlifesciences.comHQ: Lafayette, NY, United StatesReported employees: 11-50 | Lafayette, NY, United States | 11-50 | Exact match | 46 contacts → |
“Ichor Life Sciences is a longevity biotechnology company and end-to-end contract research organization.” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 25 |  Accurant Biotech, INCaccurantbiotech.comHQ: Princeton, NJ, United StatesReported employees: 51-200 | Princeton, NJ, United States | 51-200 | Exact match | 43 contacts → |
“Accurant Biotech is a GxP-compliant contract research organization (CRO) specializing in bioanalytical support for large molecule and biologic therapeutics.” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
Showing 25 of 224 company matches
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Bioassay development services: dataset insights
November 6, 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
224 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 224 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: November 6, 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 bioassay development services?
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 bioassay development services did RevenueBase find based in the United States?
The saved snapshot records 224 matching company records, 12,730 tracked contacts and 4,589 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: November 6, 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
Bioassay development services by geography
Cite this list
RevenueBase Data Team. Top 25 bioassay development services based in the United States. Snapshot: November 6, 2026. https://revenuebase.ai/companies/bioassay-development-services/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
- Bioassay development services based in France
- Bioassay development services based in Germany
- Bioassay development services based in India
- Bioassay development services based in the United Kingdom
- AI companies based in the United States
- Cybersecurity companies based in the United States
Company intelligence · public preview
Top 25 bioassay development services based in the United States
RevenueBase records 224 matching company records for bioassay development services based in the United States, with 12,730 tracked contacts and 4,589 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: November 6, 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 bioassay development services 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 | Covancebiopharma.labcorp.com HQ: Princeton, WI, United StatesReported employees: 10001+ | Princeton, WI, United States | 10001+ | Exact match | 5,439 contacts → |
“As the drug development business of Laboratory Corporation of America Holdings (Labcorp) and the world’s most comprehensive drug development #CRO service company, we have helped…” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 2 | Bioagilytixbioagilytix.com HQ: Durham, NC, United StatesReported employees: 1,001-5,000 | Durham, NC, United States | 1,001-5,000 | Exact match | 945 contacts → |
“BioAgilytix is a leading global contract research organization focused on supporting pharmaceutical and biotech partners in all phases of drug development.” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 3 | QPS Holdings, LLCqps.com HQ: Newark, DE, United StatesReported employees: 1,001-5,000 | Newark, DE, United States | 1,001-5,000 | Exact match | 619 contacts → |
“QPS is a GLP/GCP-compliant contract research organization (CRO) delivering the highest grade of discovery, preclinical, and clinical drug development services.” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 4 | Kcas BIOkcasbio.com HQ: Olathe, PA, United StatesReported employees: 201-500 | Olathe, PA, United States | 201-500 | Exact match | 374 contacts → |
“KCAS Bio is a top-tier contract research organization (CRO) that has 45 years of experience with both large pharma and biotech sponsors, providing comprehensive bioanalytical drug…” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 5 | Personalis, INCpersonalis.com HQ: Fremont, CA, United StatesReported employees: 201-500 | Fremont, CA, United States | 201-500 | Exact match | 357 contacts → |
“At Personalis, we are transforming the active management of cancer through breakthrough personalized testing.” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 6 | Biocytogenbiocytogen.com HQ: Waltham, MA, United StatesReported employees: 1,001-5,000 | Waltham, MA, United States | 1,001-5,000 | Exact match | 225 contacts → |
“Biocytogen provides integrated solutions for next-generation antibody drug development to the global biomedical communities.” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 7 | Champions Oncology, INCchampionsoncology.com HQ: Hackensack, NJ, United StatesReported employees: 201-500 | Hackensack, NJ, United States | 201-500 | Exact match | 201 contacts → |
No recorded description excerpt is available for this public record. | |||||
| 8 | Immunologix Laboratoriesimmunologixlabs.com HQ: Tampa, FL, United StatesReported employees: 51-200 | Tampa, FL, United States | 51-200 | Exact match | 138 contacts → |
“Immunologix Laboratories is a unique scientific partner, offering GLP and GCP compliant laboratory capabilities focused on ligand binding-based bioanalysis coupled with expert…” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 9 | Aliri Bioanalysisaliribio.com HQ: Colorado Springs, CO, United StatesReported employees: 51-200 | Colorado Springs, CO, United States | 51-200 | Exact match | 135 contacts → |
“Aliri is committed to solving industry challenges by bringing innovative bioanalysis and spatial solutions to biotech and pharma, as the complexity of the drug development…” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 10 | Reaction Biologyreactionbiology.com HQ: Malvern, PA, United StatesReported employees: 51-200 | Malvern, PA, United States | 51-200 | Exact match | 130 contacts → |
“Reaction Biology specializes in answering your complex scientific questions to accelerate the development of your breakthrough therapeutic candidates.” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 11 | Eurofins Discoverxdiscoverx.com HQ: Fremont, CA, United StatesReported employees: 51-200 | Fremont, CA, United States | 51-200 | Exact match | 129 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 · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 12 | Franklin Biolabsfranklinbio.com HQ: King Of Prussia, PA, United StatesReported employees: 51-200 | King Of Prussia, PA, United States | 51-200 | Exact match | 101 contacts → |
“At the forefront of genetic and biologic therapy innovation, Franklin Biolabs is a fully integrated preclinical CRO with a proven record of taking breakthrough therapies from…” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 13 | Nitto Avecia Pharma Servicesaveciapharma.com HQ: Irvine, CA, United StatesReported employees: 51-200 | Irvine, CA, United States | 51-200 | Exact match | 101 contacts → |
“Nitto Avecia Pharma Services is your single source for analytical services for the pharma, biotech, and medical device industries.” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 14 | DCN DXdcndx.com HQ: Carlsbad, CA, United StatesReported employees: 51-200 | Carlsbad, CA, United States | 51-200 | Exact match | 83 contacts → |
“DCN Dx specializes in the contract development of rapid point of care tests.” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 15 | Eurofins Viracor Biopharma Serviceseurofins.com HQ: Lenexa, KS, United StatesReported employees: 201-500 | Lenexa, KS, United States | 201-500 | Exact match | 76 contacts → |
“Eurofins Viracor BioPharma is a trusted provider of drug development solutions to pharmaceutical and contract research organizations.” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 16 | Cygnus Technologies, LLCcygnustechnologies.com HQ: Leland, NC, United StatesReported employees: 51-200 | Leland, NC, United States | 51-200 | Exact match | 72 contacts → |
“Cygnus Technologies, part of Maravai LifeSciences, provides best-in-class analytical tools and solutions to help companies developing therapeutic proteins, vaccines, antibodies…” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 17 | Alturas Analytics, INCalturasanalytics.com HQ: Moscow, ID, United StatesReported employees: 51-200 | Moscow, ID, United States | 51-200 | Exact match | 71 contacts → |
“At Alturas Analytics, we deliver results on time with the highest level of integrity.” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 18 | Hyperion Biotechnology, INChyperionbiotechnology.com HQ: San Antonio, TX, United StatesReported employees: 51-200 | San Antonio, TX, United States | 51-200 | Exact match | 65 contacts → |
No recorded description excerpt is available for this public record. | |||||
| 19 | Epivax, INCepivax.com HQ: Providence, RI, United StatesReported employees: 11-50 | Providence, RI, United States | 11-50 | Exact match | 61 contacts → |
“EpiVax has been providing immunogenicity expertise for over 25 years, helping pharmaceutical and biotech teams generate the insights they need to make informed decisions across…” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 20 | Avance Biosciences, INCavancebio.com HQ: Houston, TX, United StatesReported employees: 51-200 | Houston, TX, United States | 51-200 | Exact match | 59 contacts → |
“Avance Biosciences is a leading Contract Research Organization (CRO) and Contract Testing Organization (CTO) providing CGMP and GLP-compliant analytical and bioanalytical services…” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 21 | Smitherssmithers.com HQ: Gaithersburg, MD, United StatesReported employees: 51-200 | Gaithersburg, MD, United States | 51-200 | Exact match | 58 contacts → |
“Smithers Pharmaceutical Development Services assists in the development of new medicines by providing bioanalytical services for all phases of drug development from discovery…” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 22 | B2s Life Sciencesb2slifesciences.com HQ: Franklin, IN, United StatesReported employees: 11-50 | Franklin, IN, United States | 11-50 | Exact match | 52 contacts → |
“B2S Life Sciences LLC is a partnership-focused biotherapeutic enablement company located in Franklin, Indiana.” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 23 | Primera Analytical Solutions Corporationprimera-corp.com HQ: Princeton, NJ, United StatesReported employees: 51-200 | Princeton, NJ, United States | 51-200 | Exact match | 49 contacts → |
“Primera Analytical Solutions is a GLP and GMP CRO in great standing with the FDA.” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 24 | Ichor Life Sciences, INCichorlifesciences.com HQ: Lafayette, NY, United StatesReported employees: 11-50 | Lafayette, NY, United States | 11-50 | Exact match | 46 contacts → |
“Ichor Life Sciences is a longevity biotechnology company and end-to-end contract research organization.” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 25 | Accurant Biotech, INCaccurantbiotech.com HQ: Princeton, NJ, United StatesReported employees: 51-200 | Princeton, NJ, United States | 51-200 | Exact match | 43 contacts → |
“Accurant Biotech is a GxP-compliant contract research organization (CRO) specializing in bioanalytical support for large molecule and biologic therapeutics.” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
Showing 25 of 224 company matches
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Bioassay development services: dataset insights
November 6, 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
224 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 224 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: November 6, 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 bioassay development services?
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 bioassay development services did RevenueBase find based in the United States?
The saved snapshot records 224 matching company records, 12,730 tracked contacts and 4,589 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: November 6, 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
Bioassay development services by geography
Cite this list
RevenueBase Data Team. Top 25 bioassay development services based in the United States. Snapshot: November 6, 2026. https://revenuebase.ai/companies/bioassay-development-services/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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