Company lists · Data refreshed September 2026
Top 25 Stem cell contract manufacturers worldwide
RevenueBase identified 464 stem cell contract manufacturers worldwide as of September 2026 and tracks 25,617 professional contacts across them, including 11,365 with verified work emails and 0 with mobile numbers. The United States is the largest market and San Diego the largest hub.
This list covers stem cell contract manufacturers worldwide, 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 18, 2026. Country and city lists for stem cell contract manufacturers follow the table.
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.
The 25 largest stem cell contract manufacturers worldwide
Ranked by team size| # | Company | Contacts | |||
|---|---|---|---|---|---|
| 1 | 2,510 contacts → | ||||
Partial evidence “AGC Biologics is a leading global biopharmaceutical Contract Development and Manufacturing Organization (CDMO) with a strong commitment to delivering the highest standard of…” Source: RevenueBase Database · checked Sep 18, 2026Thanks. The Data Team will review it. | |||||
| 2 | 1,270 contacts → | ||||
Partial evidence “Resilience is a North American contract development and manufacturing organization (CDMO) focused on delivering high-quality, scalable manufacturing solutions for advanced…” Source: RevenueBase Database · checked Sep 18, 2026Thanks. The Data Team will review it. | |||||
| 3 | 1,072 contacts → | ||||
Indirect evidence Source: RevenueBase Database · checked Sep 18, 2026Thanks. The Data Team will review it. | |||||
| 4 | 890 contacts → | ||||
Indirect evidence “Your medical device in safe hands.” Source: RevenueBase Database · checked Sep 18, 2026Thanks. The Data Team will review it. | |||||
| 5 | 861 contacts → | ||||
Strong evidence “OXB (LSE: OXB) is a global quality and innovation-led contract development and manufacturing organisation (CDMO) in cell and gene therapy with a mission to enable its clients to…” Source: RevenueBase Database · checked Sep 18, 2026Thanks. The Data Team will review it. | |||||
| 6 | 677 contacts → | ||||
Strong evidence “Paragon Medical is a global medical device contract design and manufacturer specializing in high-precision components and full devices.” Source: RevenueBase Database · checked Sep 18, 2026Thanks. The Data Team will review it. | |||||
| 7 | 560 contacts → | ||||
Partial evidence “Ajinomoto Bio-Pharma Services is a fully integrated contract development and manufacturing organization with sites in Belgium, United States, Japan, and India, providing support…” Source: RevenueBase Database · checked Sep 18, 2026Thanks. The Data Team will review it. | |||||
| 8 | 559 contacts → | ||||
Partial evidence “AccuMED Corp is a contract manufacturing partner to major medical device companies, providing exceptional, customer-centric solutions of the highest quality on time and at…” Source: RevenueBase Database · checked Sep 18, 2026Thanks. The Data Team will review it. | |||||
| 9 | 510 contacts → | ||||
Strong evidence “Tegra Medical is an end-to-end contract manufacturing solutions provider, known as the company “where medical devices come to life.” Our customers look to us to manufacture…” Source: RevenueBase Database · checked Sep 18, 2026Thanks. The Data Team will review it. | |||||
| 10 | 470 contacts → | ||||
Partial evidence “Evergen is a leading Contract Development and Manufacturing Organization (CDMO) pushing the boundaries of innovation and tissue engineering to meet patient needs in regenerative…” Source: RevenueBase Database · checked Sep 18, 2026Thanks. The Data Team will review it. | |||||
| 11 | 437 contacts → | ||||
Strong evidence “RoslinCT is a leading global contract development and manufacturing services organization (CDMO) focused on Advanced Cell Therapies.” Source: RevenueBase Database · checked Sep 18, 2026Thanks. The Data Team will review it. | |||||
| 12 | 437 contacts → | ||||
Partial evidence “IDT Biologika is your full-service CDMO for viral vaccines, cell & gene therapeutics and other biologics protecting humans worldwide!” Source: RevenueBase Database · checked Sep 18, 2026Thanks. The Data Team will review it. | |||||
| 13 | 414 contacts → | ||||
Indirect evidence “Norwood Medical’s legacy of expertise in complex machining dates back as far as the 1920s, when it first opened its doors for business as a machine tool shop.” Source: RevenueBase Database · checked Sep 18, 2026Thanks. The Data Team will review it. | |||||
| 14 | 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 18, 2026Thanks. The Data Team will review it. | |||||
| 15 | 361 contacts → | ||||
Partial evidence “ElevateBio is a technology-driven advanced therapy contract development and manufacturing organization (CDMO) powering the creation of life-transforming therapies.” Source: RevenueBase Database · checked Sep 18, 2026Thanks. The Data Team will review it. | |||||
| 16 | 359 contacts → | ||||
Partial evidence “Cadence is a vertically integrated, medical device contract manufacturing organization serving the medical device, diagnostics, and drug delivery markets, providing best-in-class…” Source: RevenueBase Database · checked Sep 18, 2026Thanks. The Data Team will review it. | |||||
| 17 | 356 contacts → | ||||
Indirect evidence “Avid Bioservices is a biologics CDMO and partner focused on delivering quality, speed, and predictability from DNA to CGMP.” Source: RevenueBase Database · checked Sep 18, 2026Thanks. The Data Team will review it. | |||||
| 18 | 313 contacts → | ||||
Partial evidence “Adaptimmune is a fully integrated cell therapy company, designed and built from the ground up with four U.K- and U.S-based biotechnology hub locations.” Source: RevenueBase Database · checked Sep 18, 2026Thanks. The Data Team will review it. | |||||
| 19 | 308 contacts → | ||||
Partial evidence “Your Global Partner for Full-Service Contract Manufacturing of Single-Use Medical Devices.” Source: RevenueBase Database · checked Sep 18, 2026Thanks. The Data Team will review it. | |||||
| 20 | 293 contacts → | ||||
Partial evidence “AVNA (formerly OKAY Industries) is a contract manufacturing partner for leading medical device OEMs.” Source: RevenueBase Database · checked Sep 18, 2026Thanks. The Data Team will review it. | |||||
| 21 | 281 contacts → | ||||
Indirect evidence “Andelyn Biosciences is a gene therapy CDMO dedicated to Turning Hope Into Reality™.” Source: RevenueBase Database · checked Sep 18, 2026Thanks. The Data Team will review it. | |||||
| 22 | 243 contacts → | ||||
Partial evidence “Founded in 2014 in Indianapolis, IN, Genezen is a best-in-class gene therapy CDMO with over a decade of experience supporting the cell and gene therapy manufacturing market…” Source: RevenueBase Database · checked Sep 18, 2026Thanks. The Data Team will review it. | |||||
| 23 | 220 contacts → | ||||
Partial evidence “Cellares is the first Integrated Development and Manufacturing Organization (IDMO), providing global cell therapy development and manufacturing services through an Industry 4.0…” Source: RevenueBase Database · checked Sep 18, 2026Thanks. The Data Team will review it. | |||||
| 24 | 218 contacts → | ||||
Indirect evidence “With a 60+ year history as a service provider to the life sciences industry, Advanced BioScience Laboratories (ABL) provides a strong core of product development expertise, GMP…” Source: RevenueBase Database · checked Sep 18, 2026Thanks. The Data Team will review it. | |||||
| 25 | 217 contacts → | ||||
Indirect evidence “Streamline your biomanufacturing programs with Cytovance Biologics!” Source: RevenueBase Database · checked Sep 18, 2026Thanks. The Data Team will review it. | |||||
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: stem cell contract manufacturers. 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 stem cell contract manufacturers.
- Partial evidence
- Its own public description names part of stem cell contract manufacturers, so it works in or next to the category without describing itself that way.
- Indirect evidence
- The description shown does not name stem cell contract manufacturers. 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 464 stem cell contract manufacturers worldwide
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Stem cell contract manufacturers worldwide at a glance
As of Sep 18, 2026Companies by employee count
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 stem cell contract manufacturers, 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.
- Coverage
- 4 countries, largest first: the United States, the United Kingdom, Germany, Japan. Country and city lists for stem cell contract manufacturers are linked below.
- What qualifies
- Companies worldwide whose own description of what they do matches “stem cell contract manufacturers”. 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 stem cell contract manufacturers), 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 stem cell contract manufacturers, and records with no verified work email.
- 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, 11,365 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 18, 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.
Stem cell contract manufacturers by location
4 lists · largest firstEvery Stem cell contract manufacturers list RevenueBase publishes, by country and city. Counts are matching companies in each list as of its own refresh date.
Countries
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 stem cell contract manufacturers, 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 stem cell contract manufacturers are there worldwide?
RevenueBase identified 464 stem cell contract manufacturers worldwide 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?
AGC Biologics, headquartered in Bothell, tops this list with the largest team on record.
Which country has the most stem cell contract manufacturers?
The United States leads with 350 companies, followed by the United Kingdom (45) and Germany (43). Every stem cell contract manufacturers list by country and city is linked on this page.
Which city has the most stem cell contract manufacturers?
San Diego leads with 20 headquartered companies, followed by Cambridge (11) and Philadelphia (8).
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 11,365 verified decision-maker contacts tracked across these 464 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 18, 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.