Company lists · Data refreshed September 2026
Top 25 Biological research centers based in the United States
RevenueBase identified 423 biological research centers headquartered in the United States as of September 2026 and tracks 109,473 professional contacts across them, including 52,091 with verified work emails and 30,988 with mobile numbers. San Diego is the largest hub.
This list covers biological research centers 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 7, 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.
The 25 largest biological research centers based in the United States
Ranked by team size| # | Company | RevenueBase Smart Search | Contacts | ||
|---|---|---|---|---|---|
| 1 | Indirect evidence | 70,907 contacts → | |||
“About Thermo Fisher Scientific Thermo Fisher Scientific Inc.” Source: company website · checked Sep 7, 2026Thanks. The Data Team will review it. | |||||
| 2 | Partial evidence | 14,166 contacts → | |||
“At Charles River, we are guided by our strong purpose-to create healthier lives-which centers around the patients who rely on the therapeutics we help to develop, the animals in…” Source: company website · checked Sep 7, 2026Thanks. The Data Team will review it. | |||||
| 3 | Indirect evidence | 1,194 contacts → | |||
“GenScript Life Science Group is a part of GenScript Biotech Corporation.” Source: company website · checked Sep 7, 2026Thanks. The Data Team will review it. | |||||
| 4 | Partial evidence | 1,015 contacts → | |||
“WHERE INSIGHTS LEAD TO ANSWERS Expect More In choosing a partner for discovery, development and research models, expect more: more attention, more insight, and a superlative…” Source: company website · checked Sep 7, 2026Thanks. The Data Team will review it. | |||||
| 5 | Partial evidence | 915 contacts → | |||
“BioAgilytix is a leading global contract research organization focused on supporting pharmaceutical and biotech partners in all phases of drug development.” Source: company website · checked Sep 7, 2026Thanks. The Data Team will review it. | |||||
| 6 | Indirect evidence | 802 contacts → | |||
“Aldevron is proud to be part of Danaher.” Source: company website · checked Sep 7, 2026Thanks. The Data Team will review it. | |||||
| 7 | Partial evidence | 439 contacts → | |||
“Envigo provides the broadest range of research models and related services to the pharmaceutical and biotechnology industries, government, academia, and other life science…” Source: company website · checked Sep 7, 2026Thanks. The Data Team will review it. | |||||
| 8 | Indirect evidence | 428 contacts → | |||
“When scientific advancement and technological innovation converge, we meet the needs of our customers everywhere.” Source: company website · checked Sep 7, 2026Thanks. The Data Team will review it. | |||||
| 9 | Partial evidence | 421 contacts → | |||
“BioIVT, formerly BioreclamationIVT, is a leading global provider of high-quality biological specimens and value-added services.” Source: company website · checked Sep 7, 2026Thanks. The Data Team will review it. | |||||
| 10 | Partial evidence | 347 contacts → | |||
“KCAS Bio is a top-tier contract research organization (CRO) that has 45 years of experience with both large pharma and biotech sponsors, providing comprehensive bioanalytical drug…” Source: company website · checked Sep 7, 2026Thanks. The Data Team will review it. | |||||
| 11 | Partial evidence | 337 contacts → | |||
“We are the world’s leading experts and go-to collaborators in biological products and services, focused on protecting the health and safety of people around the world.” Source: company website · checked Sep 7, 2026Thanks. The Data Team will review it. | |||||
| 12 | Indirect evidence | 256 contacts → | |||
“Project Farma is a patient-focused global leader in advancing technical operations from ideation through commercialization with a proven track record of planning, building, and…” Source: company website · checked Sep 7, 2026Thanks. The Data Team will review it. | |||||
| 13 | Partial evidence | 188 contacts → | |||
“IITRI was founded in 1936 as the research arm of the Illinois Institute of Technology (IIT).” Source: company website · checked Sep 7, 2026Thanks. The Data Team will review it. | |||||
| 14 | Indirect evidence | 182 contacts → | |||
“Santa Cruz Biotechnology, Inc.” Source: company website · checked Sep 7, 2026Thanks. The Data Team will review it. | |||||
| 15 | Indirect evidence | 166 contacts → | |||
“Monogram Biosciences, a LabCorp company, is a leader in developing and commercializing innovative products to help guide and improve the treatment of infectious diseases, cancer…” Source: company website · checked Sep 7, 2026Thanks. The Data Team will review it. | |||||
| 16 | Partial evidence | 166 contacts → | |||
“For more than 45 years, Enzo Biochem has been a leader in innovation and product development to support a diverse range of needs in biomedical research and healthcare.” Source: company website · checked Sep 7, 2026Thanks. The Data Team will review it. | |||||
| 17 | Indirect evidence | 151 contacts → | |||
“ACROBiosystems Group, founded in 2010 and listed in 2021, is a biotechnology company aimed at being a cornerstone of the global biopharmaceutical and health industries by…” Source: company website · checked Sep 7, 2026Thanks. The Data Team will review it. | |||||
| 18 | Partial evidence | 150 contacts → | |||
“Allentown is a global leader in biomedical research solutions, providing innovative equipment, integrated systems, and specialized services that support the evolving needs of…” Source: company website · checked Sep 7, 2026Thanks. The Data Team will review it. | |||||
| 19 | Indirect evidence | 147 contacts → | |||
“BIOQUAL, Inc.” Source: company website · checked Sep 7, 2026Thanks. The Data Team will review it. | |||||
| 20 | Partial evidence | 140 contacts → | |||
“Vector Laboratories serves and partners with scientists and industry teams developing the next generation of diagnostics, therapeutics, and biological insights.” Source: company website · checked Sep 7, 2026Thanks. The Data Team will review it. | |||||
| 21 | Indirect evidence | 136 contacts → | |||
“Aliri is committed to solving industry challenges by bringing innovative bioanalysis and spatial solutions to biotech and pharma, as the complexity of the drug development…” Source: company website · checked Sep 7, 2026Thanks. The Data Team will review it. | |||||
| 22 | Indirect evidence | 136 contacts → | |||
“Croda formulates its purpose as 'Smart science to improve lives™'.” Source: company website · checked Sep 7, 2026Thanks. The Data Team will review it. | |||||
| 23 | Indirect evidence | 134 contacts → | |||
“ZeptoMetrix brings together some of the world's leading scientists in the fight against infectious disease.” Source: company website · checked Sep 7, 2026Thanks. The Data Team will review it. | |||||
| 24 | Indirect evidence | 133 contacts → | |||
“Reaction Biology specializes in answering your complex scientific questions to accelerate the development of your breakthrough therapeutic candidates.” Source: company website · checked Sep 7, 2026Thanks. The Data Team will review it. | |||||
| 25 | Indirect evidence | 126 contacts → | |||
“The Genesis Biotechnology Group is a consortium of vertically integrated corporate entities, which facilitate the overall market implementation and delivery of basic science…” Source: company website · checked Sep 7, 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: biological research centers. 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 biological research centers.
- Partial evidence
- Its own public description names part of biological research centers, so it works in or next to the category without describing itself that way.
- Indirect evidence
- The description shown does not name biological research centers. 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 423 biological research centers based in the United States
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Biological research centers based in the United States at a glance
As of Sep 7, 2026Companies by employee count
Freshness & accuracy
How recently the business emails on this list were verified
Email last verified
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 biological research centers, 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 “biological research centers”. 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 biological research centers), 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 biological research centers, 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, 52,091 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 7, 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 biological research centers, 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 biological research centers are there based in the United States?
RevenueBase identified 423 biological research centers 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?
Thermo Fisher Scientific, headquartered in Waltham, tops this list with the largest team on record.
Which city has the most biological research centers?
San Diego leads with 20 headquartered companies, followed by New York (12) and Rockville (9).
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 52,091 verified decision-maker contacts tracked across these 423 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 7, 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.
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