The companies listed here are large organizations predominantly engaged in research services, with a significant representation of universities and public research institutions. These entities, such as UCL, King's College London, and the University of Cambridge, focus on academic excellence, interdisciplinary collaboration, and impactful research across various fields. CNRS and CEA are examples of public bodies dedicated to scientific exploration and technological advancement.
A notable pattern in this dataset is the concentration of headquarters in major global cities, particularly London and Paris. Other significant locations include Rome, Edinburgh, and Beijing. The majority of these institutions have long histories, with several founded centuries ago, indicating established traditions in research and education.
| # | Company | Employees | |||
|---|---|---|---|---|---|
| 1 | 24,678 | ||||
| 2 | 23,074 | ||||
| 3 |
King's College Londonkcl.ac.uk
Top-ranked university offering world-class education and research, fostering innovation and positive societal impact globally and locally. |
20,705 | |||
| 4 | 20,440 | ||||
| 5 |
University of Cambridgecam.ac.uk
A leading research university with 31 Colleges and over 150 departments, faculties, and schools, focused on excellence in education and research |
20,304 | |||
| 6 | 19,468 | ||||
| 7 |
Imperial College Londonimperial.ac.uk
Leading university specializing in science, medicine, engineering, and business, fostering interdisciplinary collaboration to advance knowledge and improve health. |
18,233 | |||
| 8 |
Sapienza Università di Romauniroma1.it
A prestigious, historic university in Rome with a diverse range of academic programs, research opportunities, and international exchange programs for students and academics |
16,981 | |||
| 9 |
The University of Edinburghed.ac.uk
A world-leading university offering globally recognized teaching, research, and innovation for over 425 years, unlocking the potential of students worldwide |
16,057 | |||
| 10 |
Chinese Academy of Sciencesenglish.cas.cn
Leading national scientific institution in China, specializing in natural sciences, high technology development, research institutes, academic divisions, higher education, and national strategic research |
15,069 | |||
| 11 |
KU Leuvenkuleuven.be
A multidisciplinary university founded in 1425, offering research-driven education and being Belgium's largest and one of Europe's most renowned universities |
14,935 | |||
| 12 |
Los Alamos National Laboratorylanl.gov
Multidisciplinary research institution focused on national security, nuclear stockpile safety, and advanced science in space, energy, computing, medicine, and nanotechnology. |
13,603 | |||
| 13 |
Københavns Universitet - University of Copenhagenku.dk
The University of Copenhagen is the largest research and education institution in Denmark with over 40,000 students and 9,000 employees |
13,237 | |||
| 14 |
Universidade Estadual de Campinasunicamp.br
Public university in São Paulo, Brazil, with a focus on science education Offers undergraduate and graduate programs with multiple campuses |
12,392 | |||
| 15 |
Technical University of Munichtum.de
A leading European university with top-class facilities, innovative research, and a focus on creating societal value through education, research, and entrepreneurship |
11,766 | |||
| 16 |
Utrecht Universityuu.nl
A research-focused university in Utrecht fostering interdisciplinary collaboration, empowering students, and creating impactful contributions to society for present and future generations |
11,444 | |||
| 17 |
University of Amsterdamuva.nl
A large and diverse university in Amsterdam, fostering individuality, creativity, and innovation through research, education, and collaboration to address global challenges |
11,245 | |||
| 18 |
Aarhus Universityau.dk
Leading international research university with 11,000 staff and 44,500 students, focusing on research, education, consultancy, and talent development. |
11,102 | |||
| 19 |
Politecnico di Milanopolimi.it
A scientific-technological university focusing on high-quality teaching, research, and collaboration with businesses worldwide to drive innovation and internationalization |
10,413 | |||
| 20 |
Universitat de Barcelonaweb.ub.edu
Leading Spanish university with extensive research departments, numerous projects, and collaborations with national and European institutions and businesses. |
10,368 | |||
| 21 |
Delft University of Technologytudelft.nl
Top European university focused on technological development and research for a better society, with key areas including health, energy, environment, and infrastructure |
10,093 | |||
| 22 |
US Department of Agriculture (USDA) Agricultural Research Service (ARS)ars.usda.gov
A leading agricultural research agency under USDA, conducting cutting-edge projects to improve farming practices and technologies for consumers worldwide |
9,821 | |||
| 23 |
Peking Universitypku.edu.cn
Established in 1898, this prestigious university is a global research leader, dedicated to advancing knowledge and promoting core values of innovation and equality |
9,763 | |||
| 24 |
Google DeepMinddeepmind.google
Advances artificial intelligence with breakthrough research. Solves complex problems like disease diagnosis, energy saving, and protein folding with safe, ethical AI. |
9,665 | |||
| 25 |
Lawrence Livermore National Laboratoryllnl.gov
Development and application of advanced science, technology, and engineering to enhance national security, counterterrorism, defense, energy, and environmental challenges. |
9,546 | |||
| 26 |
DTU - Technical University of Denmarkdtu.dk
Develops technology for people, conducting international elite research and study programmes to solve global challenges and create a better world. |
9,304 | |||
| 27 |
OpenAIopenai.com
An AI research and deployment company focused on creating safe and beneficial general-purpose artificial intelligence for the benefit of humanity |
9,268 | |||
| 28 |
Universidade de Brasíliaunb.br
A prestigious university offering a wide range of undergraduate, master's, and doctoral programs, as well as various support services for teaching, research, and extension activities |
9,232 | |||
| 29 |
Wageningen University & Researchwur.nl
Education and research focused on healthy food and living environments, combining natural and social sciences for practical scientific breakthroughs. |
9,227 | |||
| 30 | 9,164 | ||||
| 31 |
Addis Ababa Universityaau.edu.et
Leading university in Addis Ababa, Ethiopia, managed by the Office of External Relations, Partnerships, and Communications Official page providing updates |
8,656 | |||
| 32 |
SAP Labs Indiasap.com
A research organization in Bangalore, India, focused on SAP technology and solutions |
8,266 | |||
| 33 |
University of Groningenrug.nl
A top-ranked research university in the Netherlands offering bachelor, master, and PhD programs in English, attracting international students to vibrant Groningen |
8,245 | |||
| 34 | 7,998 | ||||
| 35 | 7,814 | ||||
| 36 |
German Aerospace Center (DLR)dlr.de
A research center in Germany focused on aeronautics, space, energy, and more Developing solutions for global challenges with 10,000 employees |
7,780 | |||
| 37 |
U.S. Geological Survey (USGS)usgs.gov
Provide impartial scientific data on ecosystems, natural hazards, resources, climate impacts, and core systems for timely environmental information. |
7,704 | |||
| 38 |
Pasteur Networkpasteur-network.org
Global health network promoting cooperation in biomedical research, public health, training, and innovation with a focus on One Health approach |
7,700 | |||
| 39 |
Université libre de Bruxellesulb.be
Large multicultural university offering diverse academic programs, conducting advanced research, employing thousands, and fostering international collaborations and scientific events. |
7,528 | |||
| 40 |
Radboud Universityru.nl
A public university in Nijmegen, Netherlands known for its research focus, established in 1923, offering seven faculties and serving over 19,130 students |
7,525 | |||
| 41 |
University of Viennaunivie.ac.at
A large employer in Vienna with 10,000 employees, the University works on research and teaching projects, offering flexible hours and international opportunities Apply now! |
7,475 | |||
| 42 |
Thermo Fisher Scientificthermofisher.com
The company is a global leader in advancing science and technology to help customers make the world healthier, cleaner, and safer |
7,431 | |||
| 43 |
Indian Institute of Science (IISc)iisc.ac.in
A leading institute in India for advanced scientific and technological research, offering various programs and promoting interdisciplinary research for societal impact |
7,413 | |||
| 44 |
Stockholm Universitysu.se
A globalized university offering diverse education and research, fostering critical thinking, and contributing actively to society since 1878 |
7,402 | |||
| 45 |
The University of Tokyou-tokyo.ac.jp
Leading university offering broad interdisciplinary research, robust liberal arts education, and fostering a vibrant global academic community. |
7,289 | |||
| 46 |
Université catholique de Louvainuclouvain.be
Provides higher education programs, conducts high-level research, and offers services to society across multiple campuses in Belgium, employing thousands of staff. |
7,288 | |||
| 47 |
Yale School of Medicinemedicine.yale.edu
A world-renowned center for biomedical research, education, and advanced healthcare with affiliations to leading institutions and a unique curriculum promoting independent thinking |
6,960 | |||
| 48 |
University of Genevaunige.ch
A prestigious university in Geneva, founded in 1559, offering a wide range of faculties and programs while fostering collaborations with international organizations |
6,934 | |||
| 49 | 6,817 | ||||
| 50 |
Eindhoven University of Technologytue.nl
Research-driven university focusing on engineering science, technology education, innovation, collaboration with industry, and societal impact through knowledge valorization. |
6,792 | |||
Want more companies than this list?This page shows the largest ones only. Connect to Tamtam to see every company that matches, filter by size, industry or growth, and reach their decision-makers. | |||||
| 51 |
Consiglio Nazionale delle Ricerchecnr.it
A public organization in Italy that conducts and promotes interdisciplinary research in various sectors for scientific, technological, and social development |
6,744 | |||
| 52 |
RTI Internationalrti.org
Independent scientific research institute providing technical, social, statistical, and engineering expertise to solve critical global challenges and improve human conditions. |
6,607 | |||
| 53 |
Oak Ridge National Laboratoryornl.gov
Conducts scientific research and development to advance energy availability, environmental protection, national security, and technological innovation for the Department of Energy. |
6,512 | |||
| 54 |
RWTH Aachen Universityrwth-aachen.de
A leading European institution for science and research, offering over 150 academic programs to 45,000 students with a strong emphasis on real-world applications |
6,496 | |||
| 55 |
A*STAR - Agency for Science, Technology and Researcha-star.edu.sg
Lead public agency advancing scientific discovery and innovative technology, collaborating with partners to drive economic growth and societal benefits. |
6,475 | |||
| 56 |
Politecnico di Torinopolito.it
A leading research university in Europe specializing in engineering and architecture, collaborating with industry and offering recruitment support to companies |
6,406 | |||
| 57 |
Aalborg Universityaau.dk
Education and research focused on interdisciplinary, problem-based projects collaborating with public and private sectors to solve societal challenges. |
6,365 | |||
| 58 |
Covance
Global leader in drug development services, partnering with pharmaceutical and biotech companies to bring top prescription drugs to market and provide innovative solutions |
6,294 | |||
| 59 |
Pacific Northwest National Laboratorypnnl.gov
Research in chemistry, Earth sciences, biology, and data science to enhance energy resiliency and support national security efforts. |
6,257 | |||
| 60 |
Ecole normale supérieureens.psl.eu
Research and teaching institution, located in Paris, offering interdisciplinary training. It recruits students for master's and doctoral degrees, fostering scientific excellence. |
6,198 | |||
| 61 | 6,088 | ||||
| 62 |
Battellebattelle.org
A science and technology company solving critical issues through research, development, manufacturing, and services for government and commercial clients worldwide |
6,013 | |||
| 63 |
University of Rome Tor Vergataweb.uniroma2.it
This is a public research university located in Rome, Italy, with a current president from the Faculty of Medicine and Surgery. |
5,902 | |||
| 64 | 5,866 | ||||
| 65 | 5,797 | ||||
| 66 |
Flinders Institute for Nanoscale Science & Technologyflinders.edu.au
Utilizing cutting-edge research, we offer innovative solutions to address Australia's energy, health, security, and environmental challenges |
5,785 | |||
| 67 |
Università degli Studi di Bariuniba.it
Official page of a university in Bari, Italy, providing information and updates about various academic programs, research projects, and events |
5,765 | |||
| 68 |
University of Hamburguni-hamburg.de
A large university in Germany with about 44,000 students, 3,990 academic staff members, and 150 different buildings spread throughout the city |
5,760 | |||
| 69 |
Freie Universität Berlinfu-berlin.de
A leading research university in Germany founded in 1948 with a focus on freedom and internationality, supported by the international community |
5,725 | |||
| 70 |
University of Twenteutwente.nl
A forward-thinking university with 3,300 professionals conducting cutting-edge research, driving innovation, and providing inspiring education for over 12,000 students |
5,632 | |||
| 71 |
Kwame Nkrumah University of Science and Technology, Kumasiknust.edu.gh
A leading university in Ghana providing high-quality education in science and technology to support industrial and socio-economic development in Africa |
5,578 | |||
| 72 |
Università degli Studi di Milano-Bicoccaunimib.it
Multidisciplinary university offering professional training and research across economic, legal, scientific, medical, psychological, sociological, and educational fields. |
5,542 | |||
| 73 |
Vrije Universiteit Brusselvub.be
High-quality research, customised education, and strong social commitment focused on addressing future challenges with critical thinking and humanism. |
5,504 | |||
| 74 |
University of Antwerpuantwerpen.be
Offers bachelor and master programs, conducts competitive research, supports doctoral studies, and fosters student-centered, competency-based education. |
5,488 | |||
| 75 |
FAU Erlangen-Nürnbergfau.eu
Offers 40,000 students innovative education across engineering, business, sciences, medicine, law, and humanities, fostering career development and alumni connections. |
5,414 | |||
| 76 |
Indiana University School of Medicinemedicine.iu.edu
A top-ranked medical school offering high-quality education, access to leading research, and a vibrant campus life in multiple Indiana cities |
5,277 | |||
| 77 |
Ruhr University Bochumruhr-uni-bochum.de
A leading international research institution in the Ruhrgebiet region, offering top research opportunities and programs to develop talents and promote entrepreneurial spirit among students |
5,257 | |||
| 78 |
Berkeley Lablinktr.ee
A national laboratory managed by the University of California for the Department of Energy, focusing on sustainable energy, materials innovation, computing, and scientific exploration |
5,253 | |||
| 79 |
Argonne National Laboratoryanl.gov
National laboratory conducting advanced scientific and engineering research, developing innovative technologies, collaborating with industry and federal agencies for societal benefit. |
5,137 | |||
| 80 |
University of Bergen (UiB)uib.no
Comprehensive university offering diverse academic programs, multidisciplinary research centers, international cooperation, and advanced training for students and researchers. |
5,075 | |||
| 81 |
National Institute of Standards and Technology (NIST)nist.gov
An innovative federal agency advancing measurement science, standards, and technology to promote US innovation and industrial competitiveness |
4,946 | |||
| 82 |
Chalmers University of Technologylinktr.ee
University focused on research and education in technology, natural sciences, maritime studies, and architecture addressing global societal challenges. |
4,916 | |||
| 83 |
TÜBİTAKtubitak.gov.tr
Leading autonomous research council in Turkey, advancing science and technology through funding, conducting research, and supporting researchers to promote national development and innovation |
4,911 | |||
| 84 |
imecimec-int.com
Innovates nano- and digital technology with global partners to create advanced solutions in healthcare, clean energy, and Industry 40 Shapes future |
4,867 | |||
| 85 |
University of Münsteruni-muenster.de
A leading public university in Germany with over 43,000 students, offering a wide range of academic programs in various fields, including some courses in English |
4,802 | |||
| 86 |
Council for Scientific and Industrial Research (CSIR)csir.co.za
Accelerating socio-economic prosperity in South Africa through innovation and technology localization, providing knowledge solutions for inclusive and sustainable industry and society advancement |
4,802 | |||
| 87 |
Institut Pasteurpasteur.fr
Non-profit foundation specializing in biomedical research, public health, training, and technological innovation to combat infectious diseases worldwide. |
4,743 | |||
| 88 |
National Research Council Canada / Conseil national de recherches Canadanrc.canada.ca
Largest government research organization supporting innovation, helping SMEs scale, connecting Canadian innovators with advanced R&D capabilities, fostering partnerships. |
4,732 | |||
| 89 |
Scuola Superiore Sant'Annasantannapisa.it
An Italian public university in Pisa offering graduate programs, combined undergraduate programs with the University of Pisa, and selective free education with high academic standards |
4,714 | |||
| 90 |
Samsung R&D Institute India - Bangaloreresearch.samsung.com
A leading R&D center specializing in cutting-edge technologies for Samsung's global products and addressing specific needs of Indian consumers |
4,654 | |||
| 91 |
Technische Universität Wientuwien.at
Leading educational institution in Austria specializing in science and technology Focused on developing scientific excellence and enhancing comprehensive competence through research and teaching |
4,651 | |||
| 92 |
Scuola Normale Superioresns.it
Prestigious public university offering merit-based scholarships, integrating research and teaching in arts, humanities, and sciences with international exchange. |
4,635 | |||
| 93 |
University of Baselunibas.ch
A prestigious Swiss university offering a wide range of degree programs at the bachelor's, master's, and doctoral levels to Swiss and international students |
4,626 | |||
| 94 |
University of Ibadanedu.ng
Found in 1948, the organization began at a temporary site in Ibadan before moving to a permanent location on a spacious leased land |
4,495 | |||
| 95 |
University of Ouluoulu.fi
An international science university conducting multidisciplinary research and education to create innovation for future well-being and knowledge |
4,480 | |||
| 96 |
PRA Health Sciencesinvestor.iconplc.com
clinical research organisation combining healthcare intelligence and advanced trial methods to improve efficiency, speed, and quality of clinical trials |
4,426 | |||
| 97 |
École Polytechniquepolytechnique.edu
Leading French institution offering top-level research, academic programs, and innovation in science and technology with a strong emphasis on excellence and humanist traditions |
4,377 | |||
| 98 |
The University of Göttingenuni-goettingen.de
A renowned research university founded in 1737, offering a diverse range of subjects and emphasizing research-based teaching and excellence in various fields |
4,367 | |||
| 99 |
University of Electronic Science and Technology of Chinaedu.cn
National key university specializing in electronic science and technology, engineering, management, liberal arts, and medical science education and research. |
4,363 | |||
| 100 |
University of Lausanne - UNILunil.ch
Cutting-edge facilities and technology, unique faculties in law, biology, and geosciences Collaborates with CHUV for medical advancements Offers diverse educational and cultural activities |
4,279 | |||
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Every company on this list has a Tamtam company profile. The industry is the one the company gives on LinkedIn; categories such as SaaS or fintech are classified by Tamtam's AI from the company's website and LinkedIn page; and the headquarters city must match the company's own address. Companies are ranked by the number of employees on LinkedIn, and the list is refreshed every night. Classifications can be wrong, so treat the list as a starting point rather than an official ranking. Last updated Nov 12, 2026.
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The same list elsewhere
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