Company lists · Data refreshed September 2026
Top 25 Animal testing alternative nonprofits worldwide
RevenueBase identified 105 animal testing alternative nonprofits worldwide as of September 2026 and tracks 614 professional contacts across them, including 262 with verified work emails. The United States is the largest market and Washington the largest hub.
This list covers animal testing alternative nonprofits 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 19, 2026. Country and city lists for animal testing alternative nonprofits 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 animal testing alternative nonprofits worldwide
Ranked by team size| # | Company | Contacts | |||
|---|---|---|---|---|---|
| 1 | 53 contacts → | ||||
Strong evidence “The Institute for In Vitro Sciences,(IIVS) is a non-profit organization wholly dedicated to the advancement of alternative testing methods.” Source: RevenueBase Database · checked Sep 19, 2026Thanks. The Data Team will review it. | |||||
| 2 | 36 contacts → | ||||
Strong evidence “Cruelty Free International is the leading organisation working to end animal testing worldwide, we challenge and inspire others, working with politicians, businesses, and…” Source: RevenueBase Database · checked Sep 19, 2026Thanks. The Data Team will review it. | |||||
| 3 | 36 contacts → | ||||
Partial evidence “Toxys is global leading expert that develops and offers a broad spectrum of unique animal-free laboratory tests for the safety assessment of novel medicines, chemicals, cosmetics…” Source: RevenueBase Database · checked Sep 19, 2026Thanks. The Data Team will review it. | |||||
| 4 | 32 contacts → | ||||
Strong evidence “The NC3Rs is a UK-based scientific organisation dedicated to replacing, refining and reducing the use of animals in research and testing (the 3Rs).” Source: RevenueBase Database · checked Sep 19, 2026Thanks. The Data Team will review it. | |||||
| 5 | 22 contacts → | ||||
Partial evidence “Animal Free Research UK (formerly the Dr Hadwen Trust) is the UK’s leading medical research charity that funds and promotes the development of techniques to replace the use of…” Source: RevenueBase Database · checked Sep 19, 2026Thanks. The Data Team will review it. | |||||
| 6 | 22 contacts → | ||||
Strong evidence “SenzaGen aims to be a leader in in vitro science and testing, driving the transition from animal testing to methods better suited to reflect human biology.” Source: RevenueBase Database · checked Sep 19, 2026Thanks. The Data Team will review it. | |||||
| 7 | 19 contacts → | ||||
Indirect evidence Source: RevenueBase Database · checked Sep 19, 2026Thanks. The Data Team will review it. | |||||
| 8 | 19 contacts → | ||||
Indirect evidence “Wij geloven in een toekomst zonder dierproeven.” Source: RevenueBase Database · checked Sep 19, 2026Thanks. The Data Team will review it. | |||||
| 9 | 16 contacts → | ||||
Partial evidence “For over 50 years, Replacing Animal Research has been working towards a better future for animals and humans.” Source: RevenueBase Database · checked Sep 19, 2026Thanks. The Data Team will review it. | |||||
| 10 | 15 contacts → | ||||
Partial evidence “Since our founding in 1929, the National Anti-Vivisection Society (NAVS) has pursued the goal of bringing an end to the needless suffering and exploitation of animals used in the…” Source: RevenueBase Database · checked Sep 19, 2026Thanks. The Data Team will review it. | |||||
| 11 | 15 contacts → | ||||
Indirect evidence “Sus Clinicals solves major problems in qualifying new cancer drugs, devices, diagnostics and therapies.” Source: RevenueBase Database · checked Sep 19, 2026Thanks. The Data Team will review it. | |||||
| 12 | 14 contacts → | ||||
Strong evidence “White Coat Waste Project (WCW) is a 501c3 nonprofit organization, taxpayer watchdog, and bipartisan coalition of 3 million liberty lovers and animal lovers.” Source: RevenueBase Database · checked Sep 19, 2026Thanks. The Data Team will review it. | |||||
| 13 | 12 contacts → | ||||
Partial evidence “The International Collaboration on Cosmetics Safety (ICCS) is focused on advancing the adoption of animal-free science for human and environmental safety assessments of cosmetics…” Source: RevenueBase Database · checked Sep 19, 2026Thanks. The Data Team will review it. | |||||
| 14 | 12 contacts → | ||||
Partial evidence “The Swiss 3R Competence Centre (3RCC) promotes the 3Rs Principle (Replacement, Reduction and Refinement of animal experimentation) in Switzerland and facilitates its…” Source: RevenueBase Database · checked Sep 19, 2026Thanks. The Data Team will review it. | |||||
| 15 | 9 contacts → | ||||
Partial evidence “Beagle Freedom Project (BFP) is a non-profit animal rescue and advocacy organization and the world’s leading organization for rescuing and rehoming animals used in experimental…” Source: RevenueBase Database · checked Sep 19, 2026Thanks. The Data Team will review it. | |||||
| 16 | 9 contacts → | ||||
Indirect evidence “Exir Bio is an emerging entity in the biomedical sector that employs stem cells and primary cells derived from non-human primates for conducting in vitro evaluations of drug…” Source: RevenueBase Database · checked Sep 19, 2026Thanks. The Data Team will review it. | |||||
| 17 | 8 contacts → | ||||
Partial evidence “The Humane Research Trust CIO is a charity registered in England & Wales (number 1203103) that funds projects to replace the use of animals and animal-derived products in medical…” Source: RevenueBase Database · checked Sep 19, 2026Thanks. The Data Team will review it. | |||||
| 18 | 8 contacts → | ||||
Indirect evidence “The International Foundation for Ethical Research (IFER) supports the development, validation and implementation of innovative scientific methodologies that advance science and…” Source: RevenueBase Database · checked Sep 19, 2026Thanks. The Data Team will review it. | |||||
| 19 | 7 contacts → | ||||
Indirect evidence “Americans for Medical Progress (AMP) is dedicated to ensuring that vital medical advances continue to be made.” Source: RevenueBase Database · checked Sep 19, 2026Thanks. The Data Team will review it. | |||||
| 20 | 6 contacts → | ||||
Strong evidence “The mission of AAVS is to end the use of animals in science through education, advocacy, and the development of alternative methods.” Source: RevenueBase Database · checked Sep 19, 2026Thanks. The Data Team will review it. | |||||
| 21 | 5 contacts → | ||||
Partial evidence “The RepRefRed Society, the association "Gesellschaft zur Förderung von Alternativen Biomodellen", was founded on the 18th of January in 2016 by researchers from the three Austrian…” Source: RevenueBase Database · checked Sep 19, 2026Thanks. The Data Team will review it. | |||||
| 22 | 5 contacts → | ||||
Strong evidence “OMIC-A R&I is an independent, research-driven contract laboratory that focuses on alternative methods to animal studies.” Source: RevenueBase Database · checked Sep 19, 2026Thanks. The Data Team will review it. | |||||
| 23 | 4 contacts → | ||||
Indirect evidence “Forska utan djurförsök – för en modern, djurfri forskning Forska utan djurförsök bildades 1964 med syftet att stödja forskning som ersätter djurförsök med moderna, djurfria…” Source: RevenueBase Database · checked Sep 19, 2026Thanks. The Data Team will review it. | |||||
| 24 | 4 contacts → | ||||
Indirect evidence “PETA’s Science Advancement & Outreach (SAO) division aims to change the paradigm of U.S.” Source: RevenueBase Database · checked Sep 19, 2026Thanks. The Data Team will review it. | |||||
| 25 | 4 contacts → | ||||
Partial evidence “Alphenyx is specialized in sourcing and transformation of human tissues to develop testing tools for research.” Source: RevenueBase Database · checked Sep 19, 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: animal testing alternative nonprofits. 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 animal testing alternative nonprofits.
- Partial evidence
- Its own public description names part of animal testing alternative nonprofits, so it works in or next to the category without describing itself that way.
- Indirect evidence
- The description shown does not name animal testing alternative nonprofits. 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 105 animal testing alternative nonprofits worldwide
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Animal testing alternative nonprofits worldwide at a glance
As of Sep 19, 2026Companies by employee count
Email recency is reported on each country list linked below.
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 animal testing alternative nonprofits, 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
- Every country. Country and city lists for animal testing alternative nonprofits are linked below.
- What qualifies
- Companies worldwide whose own description of what they do matches “animal testing alternative nonprofits”. 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 animal testing alternative nonprofits), 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 animal testing alternative nonprofits, 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, 262 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 19, 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.
Animal testing alternative nonprofits by location
1 lists · largest firstEvery Animal testing alternative nonprofits 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 animal testing alternative nonprofits, 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 animal testing alternative nonprofits are there worldwide?
RevenueBase identified 105 animal testing alternative nonprofits 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?
Institute For In Vitro Sciences, INC, headquartered in Gaithersburg, tops this list with the largest team on record.
Which country has the most animal testing alternative nonprofits?
The United States leads with 26 companies. Every animal testing alternative nonprofits list by country and city is linked on this page.
Which city has the most animal testing alternative nonprofits?
Washington leads with 6 headquartered companies, followed by London (5) and Paris (3).
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 262 verified decision-maker contacts tracked across these 105 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 19, 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.