Company lists · Data refreshed September 2026

Top 25 Pharmaceutical quality assurance firms based in the United States

Name: Pharmaceutical quality assurance firms 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 677 companies tracked

RevenueBase identified 677 pharmaceutical quality assurance firms headquartered in the United States as of September 2026 and tracks 10,473 professional contacts across them, including 4,328 with verified work emails. San Diego is the largest hub.

This list covers pharmaceutical quality assurance firms 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

677Companies

10,473Contacts tracked

4,328Verified emails

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

Ranked by team size

Top 25 of 677 pharmaceutical quality assurance firms 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 firms: 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	Caliber Technologies	Partial evidence	Pittsburgh, PA, United StatesHQ checked Sep 17, 2026	501-1,000	860 contacts →
	Partial evidence “For over 25 years, Caliber has helped regulated industries modernize quality, laboratory, and manufacturing operations through software built for regulatory compliance.” Source: RevenueBase Database · checked Sep 17, 2026
3	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
4	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
5	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
6	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
7	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
8	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
9	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
10	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
11	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
12	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
13	Medivant Healthcare	Partial evidence	Chandler, AZ, United StatesHQ checked Sep 17, 2026	51-200	158 contacts →
	Partial evidence “Uniquely poised as a world class FDA registered outsourcing pharmaceutical manufacturer, Medivant offers the best in the industry when it comes to reliability and management…” Source: RevenueBase Database · checked Sep 17, 2026
14	MMR Consulting	Indirect evidence	Carlsbad, CA, United StatesHQ checked Sep 17, 2026	51-200	124 contacts →
	Indirect evidence “MMR Consulting Inc.” Source: RevenueBase Database · checked Sep 17, 2026
15	Total Validation Services	Partial evidence	Moraga, CA, United StatesHQ checked Sep 17, 2026	11-50	120 contacts →
	Partial evidence “Total Validation Services (TVS) is an industry leader in delivering practical and cost-effective commissioning, qualification, and validation solutions, in addition to project…” Source: RevenueBase Database · checked Sep 17, 2026
16	Qualio	Partial evidence	San Francisco, CA, United StatesHQ checked Sep 17, 2026	51-200	119 contacts →
	Partial evidence “Qualio is a unified quality and compliance management platform that helps regulated organizations get products to market faster with reduced risk.” Source: RevenueBase Database · checked Sep 17, 2026
17	EAGLE	Indirect evidence	Houston, TX, United StatesHQ checked Sep 17, 2026	51-200	112 contacts →
	Indirect evidence “Eagle Analytical is an FDA- and DEA-registered, A2LA ISO 17025-accredited laboratory that provides analytical chemistry, microbiological testing, consulting, and technical…” Source: RevenueBase Database · checked Sep 17, 2026
18	Masuu Global Solutions	Indirect evidence	Miami, FL, United StatesHQ checked Sep 17, 2026	201-500	106 contacts →
	Indirect evidence “Masuu with over 280 Subject Matter Experts (SMEs) and a leadership/scientific advisory team featuring former personnel from health authorities like the USFDA, EMA, MHRA, ANVISA…” Source: RevenueBase Database · checked Sep 17, 2026
19	NSF	Partial evidence	Ann Arbor, MI, United StatesHQ checked Sep 17, 2026	5,001-10,000	101 contacts →
	Partial evidence “NSF works with pharmaceutical, medical devices, and in vitro diagnostic companies, large and small, to provide highly customized end-to-end services throughout the product…” Source: RevenueBase Database · checked Sep 17, 2026
20	Thought Frameworks	Indirect evidence	Covina, CA, United StatesHQ checked Sep 17, 2026	51-200	95 contacts →
	Indirect evidence “From Global QA and QC Partners to Full Fledged Digital Transformation Organization, We've got you covered!” Source: RevenueBase Database · checked Sep 17, 2026
21	Eurofins Infinity Laboratory Group, INC	Indirect evidence	Lancaster, CO, United StatesHQ checked Sep 17, 2026	51-200	86 contacts →
	Indirect evidence “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…” Source: RevenueBase Database · checked Sep 17, 2026
22	Cgmp Validation LLC	Partial evidence	Shawnee, KS, United StatesHQ checked Sep 17, 2026	51-200	84 contacts →
	Partial evidence “cGMP Validation was established in 1997 as a full service validation/compliance firm offering services for the pharmaceutical, bulk pharmaceutical, animal health, biotechnology…” Source: RevenueBase Database · checked Sep 17, 2026
23	Swat Solutions, INC	Indirect evidence	St. Louis Park, United StatesHQ checked Sep 17, 2026	51-200	82 contacts →
	Indirect evidence “SWAT is a leading QA company in the technology industry.” Source: RevenueBase Database · checked Sep 17, 2026
24	Scendea	Partial evidence	Washington, DC, United StatesHQ checked Sep 17, 2026	51-200	76 contacts →
	Partial evidence “Scendea is an international product development, regulatory, and compliance consulting group serving the pharmaceutical and biotechnology industry.” Source: RevenueBase Database · checked Sep 17, 2026
25	The FDA Group	Indirect evidence	Boston, MA, United StatesHQ checked Sep 17, 2026	51-200	75 contacts →
	Indirect evidence “Finding top talent in the hyper-competitive life science industries gets harder each day.” 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 firms. 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 firms.
Partial evidence: Its own public description names part of pharmaceutical quality assurance firms, 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 firms. 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 677 pharmaceutical quality assurance firms based in the United States

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

As of Sep 17, 2026

41.3%Verified-email coverage

15.5Average contacts per company

1-10Median size (employees)

2.1%Largest-city concentration · San Diego

Sep 17, 2026Page data refreshed

Companies by employee count

1-10

435

11-50

162

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 677 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 firms, 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 firms”. 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 firms), 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 firms, 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, 4,328 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.

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 firms, 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 firms are there based in the United States?

RevenueBase identified 677 pharmaceutical quality assurance firms 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 firms?

San Diego leads with 14 headquartered companies, followed by Boston (12) and Raleigh (11).

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 4,328 verified decision-maker contacts tracked across these 677 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.

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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 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.