Company lists · Data refreshed September 2026

Top 25 Pharmaceutical quality assurance labs based in the United States

Name: Pharmaceutical quality assurance 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 924 companies tracked

RevenueBase identified 924 pharmaceutical quality assurance labs headquartered in the United States as of September 2026 and tracks 22,696 professional contacts across them, including 10,088 with verified work emails. San Diego is the largest hub.

This list covers pharmaceutical quality assurance labs headquartered in the United States, matched on what each company actually does as described in its own words. Ranked by team size, largest first. Every row shows the company's own description, its RevenueBase Smart Search rating, and when it was last checked. Data refreshed September 17, 2026.

Published by RevenueBase, a B2B data infrastructure company. This list was built with RevenueBase Smart Search, 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 HQ checked on every row RevenueBase Smart Search rating on every row Refreshed Sep 17, 2026 86% judged on-target in blind review

924Companies

22,696Contacts tracked

10,088Verified emails

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

The 25 largest pharmaceutical quality assurance labs based in the United States

Ranked by team size

Top 25 of 924 pharmaceutical quality assurance labs based in the United States, ranked by team size, largest first. Data refreshed Sep 17, 2026. RevenueBase Smart Search rates how each company's information relates to pharmaceutical quality assurance labs: strong evidence (its own description names it), partial (names part of it), indirect (matched on the rest of its profile rather than the description shown). Click a contact count to view that company's people.
#	Company	RevenueBase Smart Search	Headquarters	Employees	Contacts
1	Propharma	Partial evidence	Raleigh, NC, United StatesHQ checked Sep 17, 2026	1,001-5,000	2,079 contacts →
	Partial evidence “At ProPharma, we help pharmaceutical, biotechnology, and medical device companies bring life-changing therapies to market.” Source: RevenueBase Database · checked Sep 17, 2026
2	Eurofins Lancaster Laboratories	Partial evidence	Lancaster, PA, United StatesHQ checked Sep 17, 2026	1,001-5,000	1,638 contacts →
	Partial evidence “Eurofins Lancaster Laboratories is one of the largest commercial contract laboratories in the world providing comprehensive laboratory services in the pharmaceutical…” Source: RevenueBase Database · checked Sep 17, 2026
3	Bioagilytix	Partial evidence	Durham, NC, United StatesHQ checked Sep 17, 2026	1,001-5,000	915 contacts →
	Partial evidence “BioAgilytix is a leading global contract research organization focused on supporting pharmaceutical and biotech partners in all phases of drug development.” Source: RevenueBase Database · checked Sep 17, 2026
4	Nelson Labs	Strong evidence	Salt Lake City, UT, United StatesHQ checked Sep 17, 2026	501-1,000	775 contacts →
	Strong evidence “Nelson Labs is a global leader in microbiological and analytical chemistry testing and advisory services for the medical device and pharmaceutical industries.” Source: RevenueBase Database · checked Sep 17, 2026
5	Labconnect	Indirect evidence	Durham, NC, United StatesHQ checked Sep 17, 2026	501-1,000	610 contacts →
	Indirect evidence “LabConnect is a global central laboratory services and clinical trial sample solutions partner, integrating and optimizing sample-related activities across the study lifecycle…” Source: RevenueBase Database · checked Sep 17, 2026
6	Microbac Laboratories, INC	Partial evidence	Pittsburgh, PA, United StatesHQ checked Sep 17, 2026	501-1,000	494 contacts →
	Partial evidence “Companies of all sizes partner with Microbac to test the quality, safety, and performance of their products and operations.” Source: RevenueBase Database · checked Sep 17, 2026
7	Technical Safety Services	Indirect evidence	San Diego, CA, United StatesHQ checked Sep 17, 2026	501-1,000	386 contacts →
	Indirect evidence “Technical Safety Services is a leading compliance, calibration and certification service provider for laboratories, hospitals, and pharmacies with locations across the United…” Source: RevenueBase Database · checked Sep 17, 2026
8	Verista	Partial evidence	Fishers, IN, United StatesHQ checked Sep 17, 2026	501-1,000	323 contacts →
	Partial evidence “Verista is a leading business and technology consultancy firm that provides systems, compliance, validation and quality solutions to life science companies - enabling them to…” Source: RevenueBase Database · checked Sep 17, 2026
9	Registrar Corp	Indirect evidence	Hampton, VA, United StatesHQ checked Sep 17, 2026	51-200	317 contacts →
	Indirect evidence “Registrar Corp is your trusted partner helping you navigate global regulatory requirements with expert services, innovative software solutions and comprehensive online compliance…” Source: RevenueBase Database · checked Sep 17, 2026
10	Atl, A Bureau Veritas Company	Indirect evidence	Milford, OH, United StatesHQ checked Sep 17, 2026	501-1,000	314 contacts →
	Indirect evidence “Founded in 1987, ATL, A Bureau Veritas Company, is a Scientific Sourcing Solutions Company.” Source: RevenueBase Database · checked Sep 17, 2026
11	ARL BIO Pharma	Partial evidence	Oklahoma City, OK, United StatesHQ checked Sep 17, 2026	201-500	286 contacts →
	Partial evidence “ARL Bio Pharma is a contract laboratory that provides analytical and microbiological testing for the pharmaceutical industry.” Source: RevenueBase Database · checked Sep 17, 2026
12	Elite Safety Sciences	Partial evidence	Bridgewater, NJ, United StatesHQ checked Sep 17, 2026	201-500	284 contacts →
	Partial evidence “ESS is a Pharmacovigilance service provider with the mindset to provide excellent compliance and quality deliverables.” Source: RevenueBase Database · checked Sep 17, 2026
13	BA Sciences	Partial evidence	Salem, NH, United StatesHQ checked Sep 17, 2026	201-500	257 contacts →
	Partial evidence “Since its founding in 1987, BA Sciences has been a trusted provider of high-quality analytical testing services to life science companies worldwide.” Source: RevenueBase Database · checked Sep 17, 2026
14	Valsource INC	Partial evidence	Downingtown, PA, United StatesHQ checked Sep 17, 2026	201-500	245 contacts →
	Partial evidence “Since 1996, ValSource has worked with hundreds of pharmaceutical, biopharma, and medical device organizations around the world.” Source: RevenueBase Database · checked Sep 17, 2026
15	Deibel Laboratories	Indirect evidence	Niles, IL, United StatesHQ checked Sep 17, 2026	201-500	242 contacts →
	Indirect evidence “Deibel Laboratories started in 1967 by Dr.” Source: RevenueBase Database · checked Sep 17, 2026
16	Gravity Diagnostics	Indirect evidence	Covington, KY, United StatesHQ checked Sep 17, 2026	201-500	238 contacts →
	Indirect evidence “We are an advocate for physicians and patients, supporting them with unsurpassed integrity, regulatory compliance, and clinical expertise.” Source: RevenueBase Database · checked Sep 17, 2026
17	Pace Analytical	Indirect evidence	Minneapolis, MN, United StatesHQ checked Sep 17, 2026	1,001-5,000	231 contacts →
	Indirect evidence “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!” Source: RevenueBase Database · checked Sep 17, 2026
18	PRO QC International	Partial evidence	Mchenry, IL, United StatesHQ checked Sep 17, 2026	501-1,000	211 contacts →
	Partial evidence “Pro QC International provides tailored quality solutions with a human touch in 100 countries.” Source: RevenueBase Database · checked Sep 17, 2026
19	ECI	Partial evidence	Marlborough, MA, United StatesHQ checked Sep 17, 2026	201-500	194 contacts →
	Partial evidence “Enhanced Compliance Inc.(ECI) is a global life sciences partner delivering integrated quality, regulatory, and compliance expertise-combined with hands-on engineering execution…” Source: RevenueBase Database · checked Sep 17, 2026
20	Lachman Consultant Services	Partial evidence	Westbury, NY, United StatesHQ checked Sep 17, 2026	51-200	179 contacts →
	Partial evidence “Quality & Compliance \| Regulatory Strategy \| Inspection Readiness & Remediation \| Data Integrity.” Source: RevenueBase Database · checked Sep 17, 2026
21	Quality Chemical Laboratories	Partial evidence	Wilmington, NC, United StatesHQ checked Sep 17, 2026	201-500	177 contacts →
	Partial evidence “QCL is science driven, quality focused, and responsive.” Source: RevenueBase Database · checked Sep 17, 2026
22	Norwich Pharma Services	Partial evidence	Norwich, NY, United StatesHQ checked Sep 17, 2026	201-500	174 contacts →
	Partial evidence “Norwich is a leading provider of contract manufacturing and clinical services for the pharmaceuticals industry.” Source: RevenueBase Database · checked Sep 17, 2026
23	Performance Validation	Partial evidence	Indianapolis, IN, United StatesHQ checked Sep 17, 2026	51-200	167 contacts →
	Partial evidence “Performance Validation (PV) is a global validation partner for pharmaceutical and medical device manufacturers.” Source: RevenueBase Database · checked Sep 17, 2026
24	Q Laboratories	Indirect evidence	Cincinnati, OH, United StatesHQ checked Sep 17, 2026	51-200	162 contacts →
	Indirect evidence “Q Laboratories is an FDA/MoCRA registered (#1527260), cGMP/GLP compliant, and ISO/IEC 17025 accredited contract laboratory supporting global brands in delivering safe…” Source: RevenueBase Database · checked Sep 17, 2026
25	Immunologix Laboratories	Indirect evidence	Tampa, FL, United StatesHQ checked Sep 17, 2026	51-200	128 contacts →
	Indirect evidence “Immunologix Laboratories is a unique scientific partner, offering GLP and GCP compliant laboratory capabilities focused on ligand binding-based bioanalysis coupled with expert…” Source: RevenueBase Database · checked Sep 17, 2026

RevenueBase Smart Search

RevenueBase Smart Search assesses information from a company’s LinkedIn profile, information supplied directly by the company, its website, and other publicly available sources. It uses that information to rate how closely the company relates to this list’s category: pharmaceutical quality assurance labs. Every row carries its rating and the description the rating was read from, so each one can be checked rather than taken on trust.

Strong evidence: The company's own public description of its business names pharmaceutical quality assurance labs.
Partial evidence: Its own public description names part of pharmaceutical quality assurance labs, so it works in or next to the category without describing itself that way.
Indirect evidence: The description shown does not name pharmaceutical quality assurance labs. The match rests on the rest of the company's public profile rather than the one sentence quoted here, so this is the rating to check first.

RevenueBase Smart Search is how these lists are built: RevenueBase's data engine and AI assemble the companies that match a category defined in a user's own words, so a list can be about what companies actually do rather than about whichever industry code they were filed under.

Showing 25 of 924 pharmaceutical quality assurance labs based in the United States

See the full list, filter by size, metro and specialty, and get verified emails and direct dials for all 10,088 reachable decision-makers.

Free signup · no credit card

View the full list →

Pharmaceutical quality assurance labs based in the United States at a glance

As of Sep 17, 2026

44.4%Verified-email coverage

24.6Average contacts per company

1-10Median size (employees)

2.9%Largest-city concentration · San Diego

Sep 17, 2026Page data refreshed

Companies by employee count

1-10

513

11-50

264

51-200

201-500

501-1,000

1,001-5,000

5,001-10,000

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 924 companies.

How this list was built

Company categories are rarely black and white. RevenueBase reads each company's own description of its business to decide whether it belongs among pharmaceutical quality assurance labs, so some rows will be adjacent to the category rather than pure plays. The description and RevenueBase Smart Search rating on every row are there so you can check each match yourself.

Source: The RevenueBase company graph: 60 million companies and 398.9 million professional contacts resolved from primary sources, queried with RevenueBase Smart Search, the natural-language company search available to every RevenueBase user.
What qualifies: Companies headquartered in the United States whose own description of what they do matches “pharmaceutical quality assurance labs”. Matching reads each company's description, not its industry code or its name.
RevenueBase Smart Search: RevenueBase Smart Search is how this list is assembled and how each row is rated. RevenueBase's data engine and AI assess a company's LinkedIn profile, information supplied directly by the company, its website and other publicly available information, then relate it to a category defined in a user's own words. Each row is rated strong evidence (its own description names pharmaceutical quality assurance labs), partial evidence (it names part of the category) or indirect evidence (the description shown names none of it and the match rests on the rest of the company's profile). The description supporting each rating is quoted on the row.
What we exclude: Companies whose own description does not clearly place them among pharmaceutical quality assurance labs, and records with no verified work email. Companies headquartered outside United States are excluded even when they keep an office there.
Match quality: In blind human judging of this matching method, 86% of matched companies were on target. Expect roughly 1 in 7 rows to be adjacent to the category rather than a pure play. Every row shows the company's own description and its RevenueBase Smart Search rating so you can judge each match yourself. Read the full methodology: how the lists are built, how the judging worked, and what the figure means.
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 listed company carries at least one verified work email, 10,088 across the full list. 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.
Corrections: Wrong category, wrong headquarters, or a company that has closed? Use “Report an issue” on any row. Reports go to the RevenueBase Data Team and feed back into the company graph.

Pharmaceutical quality assurance labs by metro

Pharmaceutical quality assurance labs in San Diego27

Frequently asked

What is RevenueBase Smart Search?

RevenueBase Smart Search is how RevenueBase decides which companies belong on this list and how strongly each one fits. Its data engine and AI assess a company's LinkedIn profile, information supplied directly by the company, its website and other publicly available information, then relate it to the category the list is about. Each row is rated strong evidence when the company's own description names pharmaceutical quality assurance labs, partial evidence when it names part of the category, and indirect evidence when the description shown names none of it and the match rests on the rest of the company's profile.

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

RevenueBase identified 924 pharmaceutical quality assurance labs headquartered in the United States as of September 2026, matched on each company's own description of what it does rather than its industry code.

What is the largest company on this list?

Propharma, headquartered in Raleigh, tops this list with the largest team on record.

Which city has the most pharmaceutical quality assurance labs?

San Diego leads with 27 headquartered companies, followed by Boston (17) and Raleigh (14).

How do I get contact information for these companies?

A free RevenueBase account lets you run this exact search and work the top results, verified emails and direct dials included. Upgrading unlocks all 10,088 verified decision-maker contacts tracked across these 924 companies.

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 924 pharmaceutical quality assurance labs based in the United States. Start with a free account, no credit card.

Download this list →

Related lists

Pharmaceutical quality assurance labs by geography

Browse the directory

Browse: Companies home · All United States lists · All Pharmaceutical quality assurance labs lists · New lists

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 Smart Search, 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.