Company lists · Data refreshed September 2026

Top 25 Pharmaceutical testing labs based in the United States

Name: Pharmaceutical testing labs 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 646 companies tracked

RevenueBase identified 646 company matches for pharmaceutical testing labs associated with the United States as of September 2026 and tracks 62,633 professional contacts across them, including 24,579 with verified work emails. Irvine is the largest hub.

This list covers company matches for pharmaceutical testing labs 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

646Companies

62,633Contacts tracked

24,579Verified emails

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The 25 largest pharmaceutical testing labs based in the United States

Ranked by team size

Top 25 of 646 company matches for pharmaceutical testing labs 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	Pace Analytical Services	Exact match	Minneapolis, MN, United StatesHQ recorded Sep 17, 2026	1,001-5,000	2,228 contacts →
	Exact match “Pace® Science and Technology Company makes the world a safer, healthier place.” Recorded in the RevenueBase company graph · Sep 17, 2026 · View company records in RevenueBase
3	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
4	Sonora Quest Laboratories Laboratory Sciences Of Arizona	Exact match	Phoenix, AZ, United StatesHQ recorded Sep 17, 2026	1,001-5,000	1,222 contacts →
	Exact match “Sonora Quest Laboratories, a subsidiary of Laboratory Sciences of Arizona, is an Arizona-based joint venture between Banner Health and Quest Diagnostics (NYSE: DGX) that makes up…” Recorded in the RevenueBase company graph · Sep 17, 2026 · View company records in RevenueBase
5	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
6	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
7	Aegis Sciences Corporation	Exact match	Nashville, TN, United StatesHQ recorded Sep 17, 2026	501-1,000	690 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
8	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
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	Clinical Reference Laboratory	Exact match	Lenexa, KS, United StatesHQ recorded Sep 17, 2026	501-1,000	457 contacts →
	Exact match “CRL was originally founded as Enzyme Technologies in 1979 with our focus on clinical research and development.” Recorded in the RevenueBase company graph · Sep 17, 2026 · View company records in RevenueBase
11	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
12	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
13	Accu Reference Medical LAB	Exact match	Linden, NJ, United StatesHQ recorded Sep 17, 2026	501-1,000	342 contacts →
	Exact match “Accu Reference Medical Lab is a state-of-the-art medical testing laboratory service that provides a complete range of tests for diagnosis, screening or evaluation of diseases and…” Recorded in the RevenueBase company graph · Sep 17, 2026 · View company records in RevenueBase
14	Atl, A Bureau Veritas Company	Exact match	Milford, OH, United StatesHQ recorded Sep 17, 2026	501-1,000	314 contacts →
	Exact match “Founded in 1987, ATL, A Bureau Veritas Company, is a Scientific Sourcing Solutions Company.” Recorded in the RevenueBase company graph · Sep 17, 2026 · View company records in RevenueBase
15	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
16	Dominion Diagnostics	Exact match	North Kingstown, RI, United StatesHQ recorded Sep 17, 2026	201-500	304 contacts →
	Exact match “For over 25 years, Dominion Diagnostics has been advancing patient care through trusted diagnostics as a premier urine drug testing and toxicology laboratory.” Recorded in the RevenueBase company graph · Sep 17, 2026 · View company records in RevenueBase
17	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
18	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
19	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
20	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
21	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
22	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
23	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
24	Interpath Laboratory, INC	Exact match	Pendleton, OR, United StatesHQ recorded Sep 17, 2026	201-500	216 contacts →
	Exact match Recorded description not available. Recorded in the RevenueBase company graph · Sep 17, 2026 · View company records in RevenueBase
25	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

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 labs”. 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 646 pharmaceutical testing labs based in the United States

See the full list, filter by size, metro and specialty, and access 24,579 tracked professional contacts with verified work emails. Direct dials are available where recorded.

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Pharmaceutical testing labs based in the United States at a glance

As of Sep 17, 2026

39.2%Verified-email coverage

97.0Average contacts per company

11-50Median size (employees)

2.0%Largest-city concentration · Irvine

Sep 17, 2026Page data refreshed

Companies by employee count

1-10

220

11-50

251

51-200

115

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 646 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 labs” 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 24,579 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 labs”; each Exact match badge shows search membership, not an individual similarity or quality score.

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

RevenueBase identified 646 company matches for pharmaceutical testing labs 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 labs?

Irvine leads with 13 company records, followed by San Diego (12) 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 24,579 professional contacts with verified work emails tracked across these 646 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.