Company lists · Data refreshed November 2026

Top 25 Gmp auditors based in the United States

RevenueBase identified 357 company matches for gmp auditors associated with the United States as of November 2026 and tracks 4,097 professional contacts across them, including 1,407 with verified work emails. Houston is the largest hub.

This list covers company matches for gmp auditors 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 November 6, 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 Nov 6, 2026 How this list was built
357Companies
4,097Contacts tracked
1,407Verified emails
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The 25 largest gmp auditors based in the United States

Ranked by team size
Top 25 of 357 company matches for gmp auditors based in the United States, ordered by professional contacts tracked in RevenueBase, largest first. Recorded Nov 6, 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 matchFishers, PA, United StatesHQ recorded Nov 6, 2026501-1,000344 contacts →

Exact match

“Verista helps life sciences companies solve complex quality, compliance, validation, technology, and operational challenges with greater confidence, speed, and control.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
2Exact matchMchenry, IL, United StatesHQ recorded Nov 6, 2026501-1,000219 contacts →

Exact match

“Pro QC International provides tailored quality solutions with a human touch in 100 countries.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
3Exact matchState College, PA, United StatesHQ recorded Nov 6, 202651-200205 contacts →

Exact match

“More uptime.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
4Exact matchWilmington, NC, United StatesHQ recorded Nov 6, 2026201-500190 contacts →

Exact match

“QCL is science driven, quality focused, and responsive.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
5Exact matchCarlsbad, CA, United StatesHQ recorded Nov 6, 202651-200138 contacts →

Exact match

“MMR Consulting Inc.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
6Exact matchHouston, TX, United StatesHQ recorded Nov 6, 202651-200131 contacts →

Exact match

“Eagle Analytical is an FDA- and DEA-registered, A2LA ISO 17025-accredited laboratory that provides analytical chemistry, microbiological testing, consulting, and technical…”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
7Exact matchShawnee, PA, United StatesHQ recorded Nov 6, 202651-20091 contacts →

Exact match

“cGMP Validation was established in 1997 as a full service validation/compliance firm offering services for the pharmaceutical, bulk pharmaceutical, animal health, biotechnology…”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
8Exact matchDayton, OH, United StatesHQ recorded Nov 6, 202611-5076 contacts →

Exact match

“Since 1994, EAGLE has built an excellent reputation by providing third party auditing services that are objective and value-added.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
9Exact matchLake Forest, IL, United StatesHQ recorded Nov 6, 202651-20068 contacts →

Exact match

“Founded in 2001, cGMP Consulting Inc.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
10Exact matchCanton, MA, United StatesHQ recorded Nov 6, 202611-5068 contacts →

Exact match

“A FDA Registered, DEA Licensed CRO providing expertise in Regulated QC monograph testing; CMC Data production; Bio-analytical analysis Extractables/Leachables assessment; and…”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
11Exact matchHorsham, PA, United StatesHQ recorded Nov 6, 202611-5061 contacts →

Exact match

Recorded description not available.

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
12Exact matchSanta Maria, CA, United StatesHQ recorded Nov 6, 202651-20058 contacts →

Exact match

“Overview: Headquartered in Santa Maria, CA, Primus Auditing Ops provides the fresh produce industry with specialized services related to the safe production and handling of…”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
13Exact matchPomona, CA, United StatesHQ recorded Nov 6, 202651-20057 contacts →

Exact match

“K.C.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
14Exact matchPortland, OR, United StatesHQ recorded Nov 6, 202611-5056 contacts →

Exact match

Recorded description not available.

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
15Exact matchSouth Plainfield, NJ, United StatesHQ recorded Nov 6, 2026201-50055 contacts →

Exact match

“United Pharma Technologies (UPT) is a global life-science services company delivering CQV, validation, quality, automation, and regulatory compliance solutions to the…”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
16Exact matchSanta Ana, CA, United StatesHQ recorded Nov 6, 202651-20052 contacts →

Exact match

Recorded description not available.

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
17Exact matchPrinceton, NJ, United StatesHQ recorded Nov 6, 202651-20049 contacts →

Exact match

“Primera Analytical Solutions is a GLP and GMP CRO in great standing with the FDA.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
18Exact matchAtlanta, GA, United StatesHQ recorded Nov 6, 202651-20039 contacts →

Exact match

“Quality Executive Partners (QxP) is a premium cGMP consulting firm focused on solving complex operational and regulatory challenges across pharmaceutical manufacturing.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
19Exact matchPine Brook, NJ, United StatesHQ recorded Nov 6, 20261,001-5,00039 contacts →

Exact match

“JIAHERB is the industry’s premier NSF-GMP certified manufacturer of natural ingredients.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
20Exact matchRaleigh, GA, United StatesHQ recorded Nov 6, 202651-20039 contacts →

Exact match

“HIPP Workforce Solutions, Inc.(HIPP-WFS) is an industry leader providing fast and flexible talent solutions designed to help our clients maintain a competitive advantage in the…”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
21Exact matchMinneapolis, NJ, United StatesHQ recorded Nov 6, 202611-5038 contacts →

Exact match

“Quality Auditing LLC is the industry leader in Quality Management System Auditing & Consulting for clients in highly-regulated industries, including Medical Device…”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
22Exact matchSt. Ann, MO, United StatesHQ recorded Nov 6, 202651-20038 contacts →

Exact match

“ASI is a leading farm-to-fork food safety service provider based in St.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
23Exact matchBoulder, CO, United StatesHQ recorded Nov 6, 202611-5034 contacts →

Exact match

“cGMPnow accelerates next generation therapies to patients by providing Project Management, GMP Manufacturing Equipment, GxP Computerized Systems (IT/OT), Commissioning &…”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
24Exact matchBroomall, PA, United StatesHQ recorded Nov 6, 202611-5032 contacts →

Exact match

“First Time US Generics is a privately owned, cGMP, ISS compliant, DEA licensed contract manufacturing organization servicing the global emerging and mid sized pharmaceutical…”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
25Exact matchNew Brunswick, NJ, United StatesHQ recorded Nov 6, 202611-5031 contacts →

Exact match

“NJ Labs provides expert analytical chemistry & microbiology testing for the pharmaceutical, nutraceutical, dietary supplement, cosmetic, dairy & food industries.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase

Showing 25 of 357 gmp auditors based in the United States

See the full list, filter by size, metro and specialty, and access 1,407 tracked professional contacts with verified work emails. Direct dials are available where recorded.

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Gmp auditors based in the United States at a glance

As of Nov 6, 2026
34.3%Verified-email coverage
11.5Average contacts per company
1-10Median size (employees)
2.5%Largest-city concentration · Houston
Nov 6, 2026Page data refreshed

Companies by employee count

1-10
224
11-50
90
51-200
33
201-500
5
501-1,000
3
1,001-5,000
2

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 357 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 “gmp auditors” 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 1,407 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 November 6, 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 “gmp auditors”; each Exact match badge shows search membership, not an individual similarity or quality score.

How many gmp auditors are there based in the United States?

RevenueBase identified 357 company matches for gmp auditors associated with the United States as of November 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?

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

Which city has the most gmp auditors?

Houston leads with 9 company records, followed by Boston (7) and San Diego (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 1,407 professional contacts with verified work emails tracked across these 357 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 November 6, 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.