Company lists · Data refreshed September 2026

Top 25 Preclinical testing laboratories based in the United States

RevenueBase identified 286 company matches for preclinical testing laboratories associated with the United States as of September 2026 and tracks 9,634 professional contacts across them, including 4,478 with verified work emails. Durham is the largest hub.

This list covers company matches for preclinical testing laboratories 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 September 17, 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.

How to read this list RevenueBase SmartSearch · Exact Recorded Sep 17, 2026 How this list was built
286Companies
9,634Contacts tracked
4,478Verified emails
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The 25 largest preclinical testing laboratories based in the United States

Ranked by team size
Top 25 of 286 company matches for preclinical testing laboratories based in the United States, ordered by professional contacts tracked in RevenueBase, largest first. Recorded Sep 17, 2026. The RevenueBase SmartSearch column shows Exact match membership in this saved search. Click a contact count to view that company's people. Totals use company locations recorded by RevenueBase; the displayed preview is a smaller selection.
#CompanyRevenueBase SmartSearchHeadquartersEmployeesContacts
1Exact matchDurham, NC, United StatesHQ recorded Sep 17, 20261,001-5,000915 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 · Sep 17, 2026 · View company records in RevenueBase
2Exact matchExton, PA, United StatesHQ recorded Sep 17, 20261,001-5,000727 contacts →

Exact match

“Frontage Laboratories is a US-based Contract Research Organization (CRO) that was initially established in New Jersey in April 2001 and later relocated to Pennsylvania in 2004.”

Recorded in the RevenueBase company graph · Sep 17, 2026 · View company records in RevenueBase
3Exact matchNashville, TN, United StatesHQ recorded Sep 17, 2026501-1,000690 contacts →

Exact match

“Founded in 1990, Aegis Sciences Corporation is a forensic toxicology and healthcare laboratory that provides science-driven drug testing and consulting services based in…”

Recorded in the RevenueBase company graph · Sep 17, 2026 · View company records in RevenueBase
4Exact matchDurham, NC, United StatesHQ recorded Sep 17, 2026501-1,000610 contacts →

Exact match

“LabConnect is a global central laboratory services and clinical trial sample solutions partner, integrating and optimizing sample-related activities across the study lifecycle…”

Recorded in the RevenueBase company graph · Sep 17, 2026 · View company records in RevenueBase
5Exact matchRochester, NY, United StatesHQ recorded Sep 17, 20261,001-5,000446 contacts →

Exact match

“ACM Global Laboratories, an affiliate of Rochester Regional Health in Rochester, New York, is a recognized leader global clinical trial testing services.”

Recorded in the RevenueBase company graph · Sep 17, 2026 · View company records in RevenueBase
6Exact matchOklahoma City, OK, United StatesHQ recorded Sep 17, 2026201-500286 contacts →

Exact match

“ARL Bio Pharma is a contract laboratory that provides analytical and microbiological testing for the pharmaceutical industry.”

Recorded in the RevenueBase company graph · Sep 17, 2026 · View company records in RevenueBase
7Exact matchSan Diego, CA, United StatesHQ recorded Sep 17, 2026501-1,000235 contacts →

Exact match

“Precision Diagnostics is the only U.S.”

Recorded in the RevenueBase company graph · Sep 17, 2026 · View company records in RevenueBase
8Exact matchNew Brighton, MN, United StatesHQ recorded Sep 17, 2026501-1,000215 contacts →

Exact match

“MEDTOX Laboratories contains a full-service clinical laboratory as well as a SAMHSA-certified drug testing laboratory.”

Recorded in the RevenueBase company graph · Sep 17, 2026 · View company records in RevenueBase
9Exact matchLexington, MA, United StatesHQ recorded Sep 17, 20261,001-5,000194 contacts →

Exact match

“We are a one-stop pre-clinical CRO that has assisted in the approval of 544 IND applications for clinical trials globally.”

Recorded in the RevenueBase company graph · Sep 17, 2026 · View company records in RevenueBase
10Exact matchChicago, IL, United StatesHQ recorded Sep 17, 202651-200188 contacts →

Exact match

“IITRI was founded in 1936 as the research arm of the Illinois Institute of Technology (IIT).”

Recorded in the RevenueBase company graph · Sep 17, 2026 · View company records in RevenueBase
11Exact matchWest Bend, WI, United StatesHQ recorded Sep 17, 202651-200154 contacts →

Exact match

“Founded in 2007, Spaulding Clinical is a full-service, state-of-the-art paperless Phase I clinical pharmacology unit.”

Recorded in the RevenueBase company graph · Sep 17, 2026 · View company records in RevenueBase
12Exact matchParamus, NJ, United StatesHQ recorded Sep 17, 202651-200144 contacts →

Exact match

“PsychoGenics is a preclinical CRO with expertise in CNS and orphan disorders.”

Recorded in the RevenueBase company graph · Sep 17, 2026 · View company records in RevenueBase
13Exact matchHorsham, PA, United StatesHQ recorded Sep 17, 202651-200132 contacts →

Exact match

“Drugscan is a national toxicology and infectious disease testing laboratory that partners with organizations and providers to provide the critical testing they need for healthier…”

Recorded in the RevenueBase company graph · Sep 17, 2026 · View company records in RevenueBase
14Exact matchTampa, FL, United StatesHQ recorded Sep 17, 202651-200128 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 · Sep 17, 2026 · View company records in RevenueBase
15Exact matchHercules, CA, United StatesHQ recorded Sep 17, 202651-200120 contacts →

Exact match

“Pacific BioLabs is the leading West Coast provider of GMP/GLP laboratory testing services supporting Medical Device, Pharmaceutical, and Biotechnology industries.”

Recorded in the RevenueBase company graph · Sep 17, 2026 · View company records in RevenueBase
16Exact matchWorcester, MA, United StatesHQ recorded Sep 17, 202651-200120 contacts →

Exact match

“Biomere is a preclinical contract research organization (CRO) located on the East Coast in Worcester, MA.”

Recorded in the RevenueBase company graph · Sep 17, 2026 · View company records in RevenueBase
17Exact matchSterling, VA, United StatesHQ recorded Sep 17, 202651-200108 contacts →

Exact match

“Experimental Pathology Laboratories, Inc.(EPL®) is recognized internationally for its ability to meet the needs of the scientific community and the challenges of preclinical…”

Recorded in the RevenueBase company graph · Sep 17, 2026 · View company records in RevenueBase
18Exact matchLancaster, CO, United StatesHQ recorded Sep 17, 202651-20086 contacts →

Exact match

“Infinity Laboratories, now part of Eurofins network of laboratories, is a leading contract testing organization with a national network of state-of-the-art facilities, ensuring…”

Recorded in the RevenueBase company graph · Sep 17, 2026 · View company records in RevenueBase
19Exact matchKing Of Prussia, PA, United StatesHQ recorded Sep 17, 202651-20080 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 · Sep 17, 2026 · View company records in RevenueBase
20Exact matchLenexa, KS, United StatesHQ recorded Sep 17, 2026201-50068 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 · Sep 17, 2026 · View company records in RevenueBase
21Exact matchNew Haven, CT, United StatesHQ recorded Sep 17, 202651-20067 contacts →

Exact match

“Virscio is a translational research organization providing in vivo NHP safety and disease modeling and related preclinical research and development services, including…”

Recorded in the RevenueBase company graph · Sep 17, 2026 · View company records in RevenueBase
22Exact matchRichardson, TX, United StatesHQ recorded Sep 17, 202651-20057 contacts →

Exact match

“Ellie Diagnostics is the #1 independent full-service veterinary diagnostics laboratory dedicated to transforming animal health by making wellness testing more accessible.”

Recorded in the RevenueBase company graph · Sep 17, 2026 · View company records in RevenueBase
23Exact matchBellevue, WA, United StatesHQ recorded Sep 17, 202611-5053 contacts →

Exact match

“NWCRC is a multi-specialty medical research center, dedicated to providing the highest quality medical evaluation services and interim care to our patients.”

Recorded in the RevenueBase company graph · Sep 17, 2026 · View company records in RevenueBase
24Exact matchGaithersburg, MD, United StatesHQ recorded Sep 17, 202611-5053 contacts →

Exact match

“The Institute for In Vitro Sciences,(IIVS) is a non-profit organization wholly dedicated to the advancement of alternative testing methods.”

Recorded in the RevenueBase company graph · Sep 17, 2026 · View company records in RevenueBase
25Exact matchDurham, United StatesHQ recorded Sep 17, 202651-20053 contacts →

Exact match

“Powered Research is a leading preclinical CRO specializing in non-GLP models.”

Recorded in the RevenueBase company graph · Sep 17, 2026 · View company records in RevenueBase

Showing 25 of 286 preclinical testing laboratories based in the United States

See the full list, filter by size, metro and specialty, and access 4,478 tracked professional contacts with verified work emails. Direct dials are available where recorded.

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Preclinical testing laboratories based in the United States at a glance

As of Sep 17, 2026
46.5%Verified-email coverage
33.7Average contacts per company
11-50Median size (employees)
2.8%Largest-city concentration · Durham
Sep 17, 2026Page data refreshed

Companies by employee count

1-10
93
11-50
114
51-200
51
201-500
6
501-1,000
12
1,001-5,000
6
10001+
2

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 286 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 “preclinical testing laboratories” 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 4,478 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 September 17, 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 “preclinical testing laboratories”; each Exact match badge shows search membership, not an individual similarity or quality score.

How many preclinical testing laboratories are there based in the United States?

RevenueBase identified 286 company matches for preclinical testing laboratories associated with the United States as of September 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?

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

Which city has the most preclinical testing laboratories?

Durham leads with 8 company records, followed by San Diego (8) and Chicago (7).

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 4,478 professional contacts with verified work emails tracked across these 286 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 September 17, 2026.

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About this data

RevenueBase is a B2B data infrastructure company. Its company graph covers 60 million companies and 398.9 million professional contacts, with emails verified on a rolling cadence rather than scraped once and left to decay. These company lists are generated directly from that graph with RevenueBase SmartSearch, the same natural-language company search every RevenueBase user has: describe a market in plain words, get the companies that match, and add verified emails and direct dials for the people at them. It is the same data that powers RevenueBase's B2B data products, and a free account includes 500 credits to start. How these lists are built and judged.