Company lists · Data refreshed September 2026

Top 25 Pharmaceutical testing companies based in the United States

Name: Pharmaceutical testing companies based in the United States
Creator: RevenueBase
License: https://creativecommons.org/licenses/by/4.0/

Compiled by the RevenueBase Data Team Data refreshed Sep 17, 2026 565 companies tracked

RevenueBase identified 565 company matches for pharmaceutical testing companies associated with the United States as of September 2026 and tracks 64,441 professional contacts across them, including 24,194 with verified work emails. San Diego is the largest hub.

This list covers company matches for pharmaceutical 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

565Companies

64,441Contacts tracked

24,194Verified emails

Explore this list → Free signup · no credit card · 500 free credits

The 25 largest pharmaceutical testing companies based in the United States

Ranked by team size

Top 25 of 565 company matches for pharmaceutical 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.
#	Company	RevenueBase SmartSearch	Headquarters	Employees	Contacts
1	Labcorp	Exact match	Burlington, NC, United StatesHQ recorded Sep 17, 2026	10001+	38,427 contacts →
	Exact match “Clear and confident health care decisions begin with questions.” Recorded in the RevenueBase company graph · Sep 17, 2026 · View company records in RevenueBase
2	Eurofins Lancaster Laboratories	Exact match	Lancaster, PA, United StatesHQ recorded Sep 17, 2026	1,001-5,000	1,638 contacts →
	Exact match “Eurofins Lancaster Laboratories is one of the largest commercial contract laboratories in the world providing comprehensive laboratory services in the pharmaceutical…” Recorded in the RevenueBase company graph · Sep 17, 2026 · View company records in RevenueBase
3	Bioagilytix	Exact match	Durham, NC, United StatesHQ recorded Sep 17, 2026	1,001-5,000	915 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
4	Nelson Labs	Exact match	Salt Lake City, UT, United StatesHQ recorded Sep 17, 2026	501-1,000	775 contacts →
	Exact match “Nelson Labs is a global leader in microbiological and analytical chemistry testing and advisory services for the medical device and pharmaceutical industries.” Recorded in the RevenueBase company graph · Sep 17, 2026 · View company records in RevenueBase
5	Frontage Laboratories, INC	Exact match	Exton, PA, United StatesHQ recorded Sep 17, 2026	1,001-5,000	727 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
6	Fisher Clinical Services	Exact match	Waltham, MA, United StatesHQ recorded Sep 17, 2026	10001+	611 contacts →
	Exact match “Thermo Fisher Scientific provides industry-leading pharma services solutions for drug development, clinical trial logistics, and commercial manufacturing to customers through our…” Recorded in the RevenueBase company graph · Sep 17, 2026 · View company records in RevenueBase
7	Labconnect	Exact match	Durham, NC, United StatesHQ recorded Sep 17, 2026	501-1,000	610 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
8	QPS Holdings, LLC	Exact match	Newark, DE, United StatesHQ recorded Sep 17, 2026	1,001-5,000	592 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 · Sep 17, 2026 · View company records in RevenueBase
9	Microbac Laboratories, INC	Exact match	Pittsburgh, PA, United StatesHQ recorded Sep 17, 2026	501-1,000	494 contacts →
	Exact match “Companies of all sizes partner with Microbac to test the quality, safety, and performance of their products and operations.” Recorded in the RevenueBase company graph · Sep 17, 2026 · View company records in RevenueBase
10	ACM Global Laboratories	Exact match	Rochester, NY, United StatesHQ recorded Sep 17, 2026	1,001-5,000	446 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
11	Sunrise Medical Laboratories	Exact match	Hicksville, NY, United StatesHQ recorded Sep 17, 2026	501-1,000	350 contacts →
	Exact match Recorded description not available. Recorded in the RevenueBase company graph · Sep 17, 2026 · View company records in RevenueBase
12	Kcas BIO	Exact match	Olathe, KS, United StatesHQ recorded Sep 17, 2026	201-500	347 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 · Sep 17, 2026 · View company records in RevenueBase
13	Pathology Laboratories, INC	Exact match	Toledo, OH, United StatesHQ recorded Sep 17, 2026	201-500	312 contacts →
	Exact match “Established in Toledo, Ohio in 1946, Pathology Laboratories, Inc.(PathLabs) fostered a reputation among the area’s private medical practitioners as a provider of prompt, reliable…” Recorded in the RevenueBase company graph · Sep 17, 2026 · View company records in RevenueBase
14	Certified Laboratories, INC	Exact match	Melville, NY, United StatesHQ recorded Sep 17, 2026	1,001-5,000	287 contacts →
	Exact match “As part of Certified Group, Certified Laboratories partners with customers to deliver innovative scientific solutions and expertise – So The World Can Trust In What It Consumes™.” Recorded in the RevenueBase company graph · Sep 17, 2026 · View company records in RevenueBase
15	ARL BIO Pharma	Exact match	Oklahoma City, OK, United StatesHQ recorded Sep 17, 2026	201-500	286 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
16	BA Sciences	Exact match	Salem, NH, United StatesHQ recorded Sep 17, 2026	201-500	257 contacts →
	Exact match “Since its founding in 1987, BA Sciences has been a trusted provider of high-quality analytical testing services to life science companies worldwide.” Recorded in the RevenueBase company graph · Sep 17, 2026 · View company records in RevenueBase
17	Deibel Laboratories	Exact match	Niles, IL, United StatesHQ recorded Sep 17, 2026	201-500	242 contacts →
	Exact match “Deibel Laboratories started in 1967 by Dr.” Recorded in the RevenueBase company graph · Sep 17, 2026 · View company records in RevenueBase
18	Gravity Diagnostics	Exact match	Covington, KY, United StatesHQ recorded Sep 17, 2026	201-500	238 contacts →
	Exact match “We are an advocate for physicians and patients, supporting them with unsurpassed integrity, regulatory compliance, and clinical expertise.” Recorded in the RevenueBase company graph · Sep 17, 2026 · View company records in RevenueBase
19	Precision Diagnostics	Exact match	San Diego, CA, United StatesHQ recorded Sep 17, 2026	501-1,000	235 contacts →
	Exact match “Precision Diagnostics is the only U.S.” Recorded in the RevenueBase company graph · Sep 17, 2026 · View company records in RevenueBase
20	Pace Analytical	Exact match	Minneapolis, MN, United StatesHQ recorded Sep 17, 2026	1,001-5,000	231 contacts →
	Exact match “Watch our video on the history and culture of Pace at https://goo.gl/L3ruD3 or get a more detailed look through our company brochure at https://goo.gl/feMDwU!” Recorded in the RevenueBase company graph · Sep 17, 2026 · View company records in RevenueBase
21	Halo Pharmaceutical, INC	Exact match	Whippany, NJ, United StatesHQ recorded Sep 17, 2026	201-500	219 contacts →
	Exact match “Halo Pharma is a leading provider of pharmaceutical services, including contract dosage form development, commercial manufacturing, and analytical services.” Recorded in the RevenueBase company graph · Sep 17, 2026 · View company records in RevenueBase
22	Medtox Laboratories	Exact match	New Brighton, MN, United StatesHQ recorded Sep 17, 2026	501-1,000	215 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
23	RJ LEE Group	Exact match	Pittsburgh, PA, United StatesHQ recorded Sep 17, 2026	201-500	194 contacts →
	Exact match “RJ Lee Group provides comprehensive laboratory testing and scientific consulting services.” Recorded in the RevenueBase company graph · Sep 17, 2026 · View company records in RevenueBase
24	IIT Research Institute Iitri	Exact match	Chicago, IL, United StatesHQ recorded Sep 17, 2026	51-200	188 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
25	Quality Chemical Laboratories	Exact match	Wilmington, NC, United StatesHQ recorded Sep 17, 2026	201-500	177 contacts →
	Exact match “QCL is science driven, quality focused, and responsive.” Recorded in the RevenueBase company graph · Sep 17, 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 “pharmaceutical testing companies”. 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 565 pharmaceutical testing companies based in the United States

See the full list, filter by size, metro and specialty, and access 24,194 tracked professional contacts with verified work emails. Direct dials are available where recorded.

Free signup · no credit card

View the full list →

Pharmaceutical testing companies based in the United States at a glance

As of Sep 17, 2026

37.5%Verified-email coverage

114.1Average contacts per company

11-50Median size (employees)

2.5%Largest-city concentration · San Diego

Sep 17, 2026Page data refreshed

Companies by employee count

1-10

181

11-50

226

51-200

105

201-500

501-1,000

1,001-5,000

5,001-10,000

10001+

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 565 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 “pharmaceutical 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 24,194 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 “pharmaceutical testing companies”; each Exact match badge shows search membership, not an individual similarity or quality score.

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

RevenueBase identified 565 company matches for pharmaceutical 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?

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

Which city has the most pharmaceutical testing companies?

San Diego leads with 14 company records, followed by Irvine (10) and Houston (9).

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 24,194 professional contacts with verified work emails tracked across these 565 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.

Ready to reach these companies? Verified emails and direct dials for all 565 pharmaceutical testing companies based in the United States. Start with a free account, no credit card.

Download this list →

Related lists

Pharmaceutical testing companies by geography

Browse the directory

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.