Company lists · Data refreshed September 2026

Top 25 Biopharmaceutical manufacturing companies based in the United States

Name: Biopharmaceutical manufacturing companies based in the United States
Creator: RevenueBase
License: https://creativecommons.org/licenses/by/4.0/

Compiled by the RevenueBase Data Team Data refreshed Sep 6, 2026 1,168 companies tracked

RevenueBase identified 1,168 biopharmaceutical manufacturing companies headquartered in the United States as of September 2026 and tracks 429,920 professional contacts across them, including 168,616 with verified work emails and 128,243 with mobile numbers. San Diego is the largest hub.

This list covers biopharmaceutical manufacturing companies 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 6, 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 6, 2026 86% judged on-target in blind review

1,168Companies

429,920Contacts tracked

168,616Verified emails

128,243Mobile numbers

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The 25 largest biopharmaceutical manufacturing companies based in the United States

Ranked by team size

Top 25 of 1,168 biopharmaceutical manufacturing companies based in the United States, ranked by team size, largest first. Data refreshed Sep 6, 2026. RevenueBase Smart Search rates how each company's information relates to biopharmaceutical manufacturing companies: 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	Pfizer	Indirect evidence	New York, NY, United StatesHQ checked Sep 6, 2026	10001+	88,560 contacts →
	“We’re celebrating over 175 years of daring scientific innovation-and we’re not done yet.” Source: company website · checked Sep 6, 2026
2	Abbvie	Partial evidence	North Chicago, IL, United StatesHQ checked Sep 6, 2026	10001+	50,568 contacts →
	“AbbVie is a global biopharmaceutical company focused on creating medicines and solutions that put impact first, for patients, communities, and our world.” Source: company website · checked Sep 6, 2026
3	ELI Lilly And Company	Indirect evidence	Indianapolis, IN, United StatesHQ checked Sep 6, 2026	10001+	49,409 contacts →
	“We're a medicine company turning science into healing to make life better for people around the world.” Source: company website · checked Sep 6, 2026
4	MERCK	Indirect evidence	Rahway, NJ, United StatesHQ checked Sep 6, 2026	10001+	38,156 contacts →
	“At Merck, known as MSD outside of the United States and Canada, we are unified around our purpose: We use the power of leading-edge science to save and improve lives around the…” Source: company website · checked Sep 6, 2026
5	AMGEN	Indirect evidence	Thousand Oaks, CA, United StatesHQ checked Sep 6, 2026	10001+	33,433 contacts →
	“Amgen harnesses the best of biology and technology to fight the world’s toughest diseases, and make people’s lives easier, fuller and longer.” Source: company website · checked Sep 6, 2026
6	MSD	Indirect evidence	Rahway, NJ, United StatesHQ checked Sep 6, 2026	10001+	23,184 contacts →
	“At MSD, known as Merck & Co, Inc, Rahway, NJ, USA in the United States and Canada, we are unified around our purpose: We use the power of leading-edge science to save and improve…” Source: company website · checked Sep 6, 2026
7	Regeneron	Indirect evidence	Tarrytown, NY, United StatesHQ checked Sep 6, 2026	10001+	16,043 contacts →
	“At Regeneron we believe that when the right idea finds the right team, powerful change is possible.” Source: company website · checked Sep 6, 2026
8	Biogen	Indirect evidence	Cambridge, MA, United StatesHQ checked Sep 6, 2026	5,001-10,000	10,389 contacts →
	“Founded in 1978, Biogen is a leading biotechnology company that pioneers innovative science to deliver new medicines to transform patients’ lives and to create value for…” Source: company website · checked Sep 6, 2026
9	Lupin Pharmaceuticals	Indirect evidence	Somerset, NJ, United StatesHQ checked Sep 6, 2026	n/a	4,649 contacts →
	“Lupin Pharmaceuticals, Inc.” Source: company website · checked Sep 6, 2026
10	Hospira	Indirect evidence	Lake Forest, IL, United StatesHQ checked Sep 6, 2026	10001+	3,881 contacts →
	“Hospira is now part of Pfizer Inc.” Source: company website · checked Sep 6, 2026
11	CURIA	Partial evidence	Albany, NY, United StatesHQ checked Sep 6, 2026	1,001-5,000	2,975 contacts →
	“Curia is a Contract Development and Manufacturing Organization with over 30 years of experience, an integrated network of 25 global sites and 3,500 employees partnering with…” Source: company website · checked Sep 6, 2026
12	Eisai US	Indirect evidence	Nutley, NJ, United StatesHQ checked Sep 6, 2026	1,001-5,000	2,570 contacts →
	“At Eisai Inc, human health care (hhc) is our goal.” Source: company website · checked Sep 6, 2026
13	AGC Biologics	Strong evidence	Bothell, WA, United StatesHQ checked Sep 6, 2026	1,001-5,000	2,510 contacts →
	“AGC Biologics is a leading global biopharmaceutical Contract Development and Manufacturing Organization (CDMO) with a strong commitment to delivering the highest standard of…” Source: company website · checked Sep 6, 2026
14	Phillips Medisize	Partial evidence	Hudson, WI, United StatesHQ checked Sep 6, 2026	5,001-10,000	2,261 contacts →
	“As a contract development and manufacturing organization (CDMO), the world’s leading pharmaceutical, medtech and in vitro diagnostic companies trust us to help them design and…” Source: company website · checked Sep 6, 2026
15	Legend Biotech	Partial evidence	Somerset, NJ, United StatesHQ checked Sep 6, 2026	1,001-5,000	2,154 contacts →
	“Legend Biotech is a global, commercial-stage biotechnology company developing and manufacturing novel therapies.” Source: company website · checked Sep 6, 2026
16	Celgene	Indirect evidence	Summit, NJ, United StatesHQ checked Sep 6, 2026	5,001-10,000	2,098 contacts →
	“We have merged with Bristol Myers Squibb creating a leading biopharma company, ideally positioned to discover, develop and deliver innovative medicines for patients fighting…” Source: company website · checked Sep 6, 2026
17	Patheon	Partial evidence	Waltham, MA, United StatesHQ checked Sep 6, 2026	10001+	2,004 contacts →
	“Thermo Fisher Scientific provides industry-leading pharma services for drug development, clinical trial logistics, and commercial manufacturing through our Patheon™ brand.” Source: company website · checked Sep 6, 2026
18	Fresenius Kabi USA	Indirect evidence	Lake Zurich, IL, United StatesHQ checked Sep 6, 2026	1,001-5,000	1,734 contacts →
	“As a global healthcare company, Fresenius Kabi is Committed to Life.” Source: company website · checked Sep 6, 2026
19	KBI Biopharma	Partial evidence	Durham, NC, United StatesHQ checked Sep 6, 2026	1,001-5,000	1,645 contacts →
	“KBI Biopharma is an award-winning biopharmaceutical contract services organization providing fully-integrated, accelerated drug development and biomanufacturing services to…” Source: company website · checked Sep 6, 2026
20	EMD Serono, INC	Indirect evidence	Boston, MA, United StatesHQ checked Sep 6, 2026	1,001-5,000	1,578 contacts →
	“We aspire to create, improve and prolong life for people living with difficult-to-treat conditions like infertility, multiple sclerosis and cancer.” Source: company website · checked Sep 6, 2026
21	Insmed Incorporated	Partial evidence	Bridgewater Township, NJ, United StatesHQ checked Sep 6, 2026	1,001-5,000	1,512 contacts →
	“Insmed is a people-rst global biopharmaceutical company striving to deliver rst- and best-in-class therapies to transform the lives of patients facing serious diseases.” Source: company website · checked Sep 6, 2026
22	Cambrex	Partial evidence	East Rutherford, NJ, United StatesHQ checked Sep 6, 2026	1,001-5,000	1,294 contacts →
	“Cambrex is a leading global contract development and manufacturing organization (CDMO) that provides drug substance development and manufacturing across the entire drug lifecycle…” Source: company website · checked Sep 6, 2026
23	Resilience	Partial evidence	Blue Ash, OH, United StatesHQ checked Sep 6, 2026	1,001-5,000	1,270 contacts →
	“Resilience is a North American contract development and manufacturing organization (CDMO) focused on delivering high-quality, scalable manufacturing solutions for advanced…” Source: company website · checked Sep 6, 2026
24	Repligen Corporation	Partial evidence	Waltham, MA, United StatesHQ checked Sep 6, 2026	1,001-5,000	1,254 contacts →
	“Repligen, a global, bioprocessing-focused life sciences company, provides innovative solutions for the advancement of biotherapeutic manufacturing.” Source: company website · checked Sep 6, 2026
25	Genscript	Indirect evidence	Piscataway, NJ, United StatesHQ checked Sep 6, 2026	5,001-10,000	1,194 contacts →
	“GenScript Life Science Group is a part of GenScript Biotech Corporation.” Source: company website · checked Sep 6, 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: biopharmaceutical manufacturing companies. 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 biopharmaceutical manufacturing companies.
Partial evidence: Its own public description names part of biopharmaceutical manufacturing companies, so it works in or next to the category without describing itself that way.
Indirect evidence: The description shown does not name biopharmaceutical manufacturing companies. 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 1,168 biopharmaceutical manufacturing companies based in the United States

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Biopharmaceutical manufacturing companies based in the United States at a glance

As of Sep 6, 2026

39.2%Verified-email coverage

29.8%Mobile-number coverage

368.1Average contacts per company

11-50Median size (employees)

4.3%Largest-city concentration · San Diego

Sep 6, 2026Page data refreshed

Companies by employee count

1-10

408

11-50

348

51-200

204

201-500

501-1,000

1,001-5,000

5,001-10,000

10001+

Freshness & accuracy

How recently the business emails on this list were verified

Email last verified

154,0120–30

10,58031–60

11161–90

4690–180

3,867180+

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 biopharmaceutical manufacturing companies, 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 “biopharmaceutical manufacturing companies”. 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 biopharmaceutical manufacturing companies), 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 biopharmaceutical manufacturing companies, 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, 168,616 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 6, 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.

Biopharmaceutical manufacturing companies 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 biopharmaceutical manufacturing companies, 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 biopharmaceutical manufacturing companies are there based in the United States?

RevenueBase identified 1,168 biopharmaceutical manufacturing companies 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?

Pfizer, headquartered in New York, tops this list with the largest team on record.

Which city has the most biopharmaceutical manufacturing companies?

San Diego leads with 50 headquartered companies, followed by New York (25) and Boston (22).

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 168,616 verified decision-maker contacts tracked across these 1,168 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 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 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.