Company lists · Data refreshed September 2026

Top 25 Preclinical testing companies based in the United States

RevenueBase identified 406 company matches for preclinical testing companies associated with the United States as of September 2026 and tracks 21,503 professional contacts across them, including 7,992 with verified work emails. San Diego is the largest hub.

This list covers company matches for preclinical testing companies 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
406Companies
21,503Contacts tracked
7,992Verified emails
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The 25 largest preclinical testing companies based in the United States

Ranked by team size
Top 25 of 406 company matches for preclinical testing companies 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 matchPrinceton, NJ, United StatesHQ recorded Sep 17, 202610001+5,220 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 · Sep 17, 2026 · View company records in RevenueBase
2Exact matchMorrisville, NC, United StatesHQ recorded Sep 17, 20261,001-5,0002,584 contacts →

Exact match

“Premier Research International LLC (Premier) is a global leader in clinical research and consulting services with expertise in driving an efficient and effective path to market…”

Recorded in the RevenueBase company graph · Sep 17, 2026 · View company records in RevenueBase
3Exact matchLincoln, NE, United StatesHQ recorded Sep 17, 20261,001-5,0001,080 contacts →

Exact match

“Celerion, a leader in early clinical research, delivers Applied Translational Medicine.”

Recorded in the RevenueBase company graph · Sep 17, 2026 · View company records in RevenueBase
4Exact 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
5Exact 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
6Exact 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
7Exact 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
8Exact 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
9Exact matchSan Diego, CA, United StatesHQ recorded Sep 17, 20261,001-5,000441 contacts →

Exact match

“Crown Bioscience, a JSR Life Sciences company, is a global contract research organization (CRO) providing discovery, preclinical, and translational platforms to advance oncology…”

Recorded in the RevenueBase company graph · Sep 17, 2026 · View company records in RevenueBase
10Exact matchIndianapolis, IN, United StatesHQ recorded Sep 17, 20261,001-5,000439 contacts →

Exact match

“Envigo provides the broadest range of research models and related services to the pharmaceutical and biotechnology industries, government, academia, and other life science…”

Recorded in the RevenueBase company graph · Sep 17, 2026 · View company records in RevenueBase
11Exact 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
12Exact 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
13Exact matchOverland Park, KS, United StatesHQ recorded Sep 17, 2026201-500168 contacts →

Exact match

“Dr.”

Recorded in the RevenueBase company graph · Sep 17, 2026 · View company records in RevenueBase
14Exact 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
15Exact matchMadison, WI, United StatesHQ recorded Sep 17, 202651-200153 contacts →

Exact match

“MERIT is an innovative clinical endpoint expert providing attentive expertise in our therapeutic areas.”

Recorded in the RevenueBase company graph · Sep 17, 2026 · View company records in RevenueBase
16Exact 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
17Exact matchMalvern, PA, United StatesHQ recorded Sep 17, 202651-200133 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 · Sep 17, 2026 · View company records in RevenueBase
18Exact 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
19Exact 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
20Exact 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
21Exact 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
22Exact matchCarlsbad, CA, United StatesHQ recorded Sep 17, 202651-20098 contacts →

Exact match

“Navigate BioPharma is a specialty laboratory offering high quality, innovative and differentiated precision medicine solutions for drug development and diagnostic applications.”

Recorded in the RevenueBase company graph · Sep 17, 2026 · View company records in RevenueBase
23Exact matchSt. Paul, MN, United StatesHQ recorded Sep 17, 2026201-50090 contacts →

Exact match

“DSI is a pioneering biomedical research company focused on preclinical systems physiology and pharmacology.”

Recorded in the RevenueBase company graph · Sep 17, 2026 · View company records in RevenueBase
24Exact matchSchaumburg, IL, United StatesHQ recorded Sep 17, 202651-20086 contacts →

Exact match

“IHMA provides a full suite of technical capabilities and domain expertise in all phases of antimicrobial drug development: drug discovery, clinical development, regulatory…”

Recorded in the RevenueBase company graph · Sep 17, 2026 · View company records in RevenueBase
25Exact 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

Showing 25 of 406 preclinical testing companies based in the United States

See the full list, filter by size, metro and specialty, and access 7,992 tracked professional contacts with verified work emails. Direct dials are available where recorded.

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Preclinical testing companies based in the United States at a glance

As of Sep 17, 2026
37.2%Verified-email coverage
53.0Average contacts per company
11-50Median size (employees)
4.2%Largest-city concentration · San Diego
Sep 17, 2026Page data refreshed

Companies by employee count

1-10
146
11-50
156
51-200
63
201-500
8
501-1,000
15
1,001-5,000
13
5,001-10,000
1
10001+
3

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 406 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 companies” by meaning at the Exact setting. Descriptions are compiled in the RevenueBase company graph from public websites, profiles and company information where available; they are not guaranteed quotations from the company's website.
RevenueBase SmartSearch
Describe a niche company in your own words to find businesses by meaning. Exact, Similar, Related and Broad control the breadth of RevenueBase SmartSearch. This saved list uses Exact. Each row's Exact match badge shows inclusion in that search, not an individual score or a service-quality judgment.
Public preview
The public preview omits records without a verified work email. 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 7,992 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 companies”; each Exact match badge shows search membership, not an individual similarity or quality score.

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

RevenueBase identified 406 company matches for preclinical testing companies 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?

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

Which city has the most preclinical testing companies?

San Diego leads with 17 company records, followed by Durham (10) 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 7,992 professional contacts with verified work emails tracked across these 406 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.