Company lists · Data refreshed September 2026

Top 25 Good manufacturing practice consultants based in the United States

Name: Good manufacturing practice consultants based in the United States
Creator: RevenueBase
License: https://creativecommons.org/licenses/by/4.0/

Compiled by the RevenueBase Data Team Data refreshed Sep 16, 2026 1,489 companies tracked

RevenueBase identified 1,489 good manufacturing practice consultants headquartered in the United States as of September 2026 and tracks 22,815 professional contacts across them, including 9,331 with verified work emails. San Diego is the largest hub.

This list covers good manufacturing practice consultants 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 16, 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 16, 2026 86% judged on-target in blind review

1,489Companies

22,815Contacts tracked

9,331Verified emails

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The 25 largest good manufacturing practice consultants based in the United States

Ranked by team size

Top 25 of 1,489 good manufacturing practice consultants based in the United States, ranked by team size, largest first. Data refreshed Sep 16, 2026. RevenueBase Smart Search rates how each company's information relates to good manufacturing practice consultants: 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	Ips-Integrated Project Services	Indirect evidence	Blue Bell, PA, United StatesHQ checked Sep 16, 2026	1,001-5,000	3,577 contacts →
	Indirect evidence “IPS, a Berkshire Hathaway company, is a global leader in technical consulting, architecture, engineering, procurement, construction management, commissioning, qualification…” Source: RevenueBase Database · checked Sep 16, 2026
2	Propharma	Indirect evidence	Raleigh, NC, United StatesHQ checked Sep 16, 2026	1,001-5,000	2,079 contacts →
	Indirect evidence “At ProPharma, we help pharmaceutical, biotechnology, and medical device companies bring life-changing therapies to market.” Source: RevenueBase Database · checked Sep 16, 2026
3	Astrix	Indirect evidence	Red Bank, NJ, United StatesHQ checked Sep 16, 2026	501-1,000	596 contacts →
	Indirect evidence “Astrix is the global leader in delivering innovative strategies and solutions to the life sciences industry.” Source: RevenueBase Database · checked Sep 16, 2026
4	Pace Life Sciences	Indirect evidence	Oakdale, MN, United StatesHQ checked Sep 16, 2026	501-1,000	411 contacts →
	Indirect evidence “At Pace® Life Sciences, our people are driven by purpose, advancing science to improve lives across the pharmaceutical, biopharmaceutical, and gene therapy industries.” Source: RevenueBase Database · checked Sep 16, 2026
5	Verista	Partial evidence	Fishers, IN, United StatesHQ checked Sep 16, 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 16, 2026
6	Registrar Corp	Indirect evidence	Hampton, VA, United StatesHQ checked Sep 16, 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 16, 2026
7	Valsource INC	Indirect evidence	Downingtown, PA, United StatesHQ checked Sep 16, 2026	201-500	245 contacts →
	Indirect evidence “Since 1996, ValSource has worked with hundreds of pharmaceutical, biopharma, and medical device organizations around the world.” Source: RevenueBase Database · checked Sep 16, 2026
8	Kymanox	Indirect evidence	Morrisville, NC, United StatesHQ checked Sep 16, 2026	201-500	239 contacts →
	Indirect evidence “Kymanox (‘ki-mah-noks’), meaning Ideal Knowledge Transfer, is your trusted partner in advancing life science innovation.” Source: RevenueBase Database · checked Sep 16, 2026
9	Arizona Nutritional Supplements ANS	Indirect evidence	Chandler, AZ, United StatesHQ checked Sep 16, 2026	501-1,000	239 contacts →
	Indirect evidence “Arizona Nutritional Supplements (ANS) is a full service, cGMP certified, contract manufacturer specializing in nutritional and dietary supplements.” Source: RevenueBase Database · checked Sep 16, 2026
10	Sequence INC	Partial evidence	Morrisville, NC, United StatesHQ checked Sep 16, 2026	201-500	232 contacts →
	Partial evidence “Sequence, LLC provides turn-key consulting solutions and services for the biopharmaceutical manufacturing industry, specializing in Commissioning, Qualification and Validation…” Source: RevenueBase Database · checked Sep 16, 2026
11	Mcra, An Iqvia Business	Indirect evidence	Washington, DC, United StatesHQ checked Sep 16, 2026	51-200	226 contacts →
	Indirect evidence “MCRA, an IQVIA business, is a leading full-service medical device, diagnostics, and biologics CRO and consulting advisory firm helping global healthcare companies maximize the…” Source: RevenueBase Database · checked Sep 16, 2026
12	Captek Softgel International	Indirect evidence	Cerritos, CA, United StatesHQ checked Sep 16, 2026	501-1,000	225 contacts →
	Indirect evidence “Established in 1996, CAPTEK® Softgel International Inc.(CSI) is a privately-owned, FDA registered and audited, GMP-certified, a full-service contract manufacturer of custom…” Source: RevenueBase Database · checked Sep 16, 2026
13	ECI	Indirect evidence	Marlborough, MA, United StatesHQ checked Sep 16, 2026	201-500	194 contacts →
	Indirect 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 16, 2026
14	Lachman Consultant Services	Indirect evidence	Westbury, NY, United StatesHQ checked Sep 16, 2026	51-200	179 contacts →
	Indirect evidence “Quality & Compliance \| Regulatory Strategy \| Inspection Readiness & Remediation \| Data Integrity.” Source: RevenueBase Database · checked Sep 16, 2026
15	Quality Chemical Laboratories	Indirect evidence	Wilmington, NC, United StatesHQ checked Sep 16, 2026	201-500	177 contacts →
	Indirect evidence “QCL is science driven, quality focused, and responsive.” Source: RevenueBase Database · checked Sep 16, 2026
16	Norwich Pharma Services	Partial evidence	Norwich, NY, United StatesHQ checked Sep 16, 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 16, 2026
17	SSI Strategy	Indirect evidence	Parsippany, NJ, United StatesHQ checked Sep 16, 2026	51-200	169 contacts →
	Indirect evidence “At SSI Strategy, we're strategic partners deeply invested in our clients' success.” Source: RevenueBase Database · checked Sep 16, 2026
18	Usdm Life Sciences	Indirect evidence	Santa Barbara, CA, United StatesHQ checked Sep 16, 2026	201-500	165 contacts →
	Indirect evidence “At USDM Life Sciences, we empower life sciences organizations to drive innovation through intelligent operations.” Source: RevenueBase Database · checked Sep 16, 2026
19	Sovereign Pharmaceuticals	Partial evidence	Fort Worth, TX, United StatesHQ checked Sep 16, 2026	51-200	164 contacts →
	Partial evidence “Sovereign Pharmaceuticals is a capable, nimble Contract Development Manufacturing Organization (CDMO) focused on the customer and committed to exceeding regulatory and quality…” Source: RevenueBase Database · checked Sep 16, 2026
20	Medpro Systems	Indirect evidence	Mount Arlington, NJ, United StatesHQ checked Sep 16, 2026	51-200	151 contacts →
	Indirect evidence “We help Life Sciences and Healthcare companies drive better health outcomes by navigating complexity throughout their compliance and commercial operations.” Source: RevenueBase Database · checked Sep 16, 2026
21	MMR Consulting	Indirect evidence	Carlsbad, CA, United StatesHQ checked Sep 16, 2026	51-200	124 contacts →
	Indirect evidence “MMR Consulting Inc.” Source: RevenueBase Database · checked Sep 16, 2026
22	Total Validation Services	Partial evidence	Moraga, CA, United StatesHQ checked Sep 16, 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 16, 2026
23	Validant	Partial evidence	San Francisco, CA, United StatesHQ checked Sep 16, 2026	201-500	120 contacts →
	Partial evidence “Validant has joined forces with our partner consultancy groups to reposition as one global regulatory brand: ELIQUENT Life Sciences.” Source: RevenueBase Database · checked Sep 16, 2026
24	Xogene	Indirect evidence	Englewood, NJ, United StatesHQ checked Sep 16, 2026	51-200	113 contacts →
	Indirect evidence “Offering flexibility, in-depth regulatory knowledge, and technical expertise in the area of Transparency and Clinical Trial disclosure, Xogene offers quality outsourcing of…” Source: RevenueBase Database · checked Sep 16, 2026
25	Opus Regulatory INC	Indirect evidence	Boston, MA, United StatesHQ checked Sep 16, 2026	51-200	113 contacts →
	Indirect evidence “Opus Regulatory is a niche consulting firm headquartered in the Seaport district of Boston.” Source: RevenueBase Database · checked Sep 16, 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: good manufacturing practice consultants. 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 good manufacturing practice consultants.
Partial evidence: Its own public description names part of good manufacturing practice consultants, so it works in or next to the category without describing itself that way.
Indirect evidence: The description shown does not name good manufacturing practice consultants. 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 1,489 good manufacturing practice consultants based in the United States

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Good manufacturing practice consultants based in the United States at a glance

As of Sep 16, 2026

40.9%Verified-email coverage

15.3Average contacts per company

1-10Median size (employees)

3.0%Largest-city concentration · San Diego

Sep 16, 2026Page data refreshed

Companies by employee count

1-10

938

11-50

359

51-200

140

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 1,489 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 good manufacturing practice consultants, 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 “good manufacturing practice consultants”. 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 good manufacturing practice consultants), 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 good manufacturing practice consultants, 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, 9,331 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 16, 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.

Good manufacturing practice consultants by metro

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 good manufacturing practice consultants, 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 good manufacturing practice consultants are there based in the United States?

RevenueBase identified 1,489 good manufacturing practice consultants 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?

Ips-Integrated Project Services, headquartered in Blue Bell, tops this list with the largest team on record.

Which city has the most good manufacturing practice consultants?

San Diego leads with 44 headquartered companies, followed by Boston (41) and Raleigh (27).

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 9,331 verified decision-maker contacts tracked across these 1,489 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 16, 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.