# Top 100 education providers in the world

Tamtam tracks 23,937 education providers worldwide. This list ranks the 100 largest by number of employees on LinkedIn, led by University of California, Education nationale and The California State University. Their median headcount is 25,036. Half of them were founded in 1887 or later. The most common headquarters are New York (6), São Paulo (5) and Cambridge (3).

These organizations are primarily large educational institutions and healthcare providers from various countries. They include public school systems, universities, and major hospital networks. The list features entities like the University of California, which focuses on higher education and research, and NYC Public Schools, the largest urban public school system. Other significant organizations are Northwell Health, a large New York healthcare system, and DEKRA, which provides expert safety services.

The data shows a concentration of large-scale public and private service providers. Many of these organizations, such as the Education nationale in Paris and the Los Angeles Unified School District, are involved in managing extensive educational infrastructure. There is also a notable presence of large healthcare groups like Quirónsalud and Cleveland Clinic, indicating a blend of education and health services among these major employers.

🌍 World · 100 companies · Updated Nov 12, 2026

| # | Company | Industry | Headquarters | Employees | Founded |
|---|---|---|---|---|---|
| 1 | [University of California](https://www.tamtam.ai/c/university-of-california) (jobs.universityofcalifornia.edu)<br>Educating top minds, advancing research, engaging communities, supporting economy, improving health, protecting environment, and driving innovation across California. | Higher Education | 🇺🇸 Oakland | 152,503 |  |
| 2 | [Education nationale](https://www.tamtam.ai/c/education-nationale)<br>Management and oversight of public education, development of educational policies, and support for schools and teachers nationwide. | Education | 🇫🇷 Paris | 113,899 | 2000 |
| 3 | [The California State University](https://www.tamtam.ai/c/the-california-state-university) (calstate.edu)<br>Leading higher education system in California with 23 campuses, offering quality, affordable education and producing job-ready graduates for the workforce | Higher Education | 🇺🇸 Long Beach | 93,821 |  |
| 4 | [SMK Wiraswasta](https://www.tamtam.ai/c/smk-wiraswasta)<br>An entrepreneurial business specializing in various services or products | Education Administration Programs | 🇮🇩 Cimahi | 81,815 |  |
| 5 | [NYC Public Schools](https://www.tamtam.ai/c/nyc-public-schools) (schools.nyc.gov)<br>Largest urban public school system serving 1.1 million students with diverse staff committed to equity, inclusion, and educational excellence. | Primary and Secondary Education | 🇺🇸 New York | 78,078 |  |
| 6 | [Servicio Nacional de Aprendizaje (SENA)](https://www.tamtam.ai/c/servicio-nacional-de-aprendizaje-sena) (sena.edu.co)<br>A national establishment in Colombia offering free technical training and job placement services to enhance competitiveness and employment opportunities for individuals | Higher Education | 🇨🇴 Bogotá | 61,960 |  |
| 7 | [Northwell Health](https://www.tamtam.ai/c/northwell-health) (northwell.edu)<br>Largest New York healthcare system with hospitals, outpatient facilities, research institutes, medical education, and extensive patient care services. | Hospitals and Health Care | 🇺🇸 Lake Success | 56,405 | 1997 |
| 8 | [Quirónsalud](https://www.tamtam.ai/c/quironsalud) (quironsalud.com)<br>Leader in healthcare in Spain and Europe with over 50,000 professionals and 59 hospitals, focusing on medical research, education, and cutting-edge technology | Wellness and Fitness Services | 🇪🇸 Madrid | 50,000 | 1893 |
| 9 | [Cleveland Clinic](https://www.tamtam.ai/c/cleveland-clinic) (my.clevelandclinic.org)<br>A not-for-profit academic medical center in Ohio, offering clinical care, research, and education with multiple facilities worldwide | Hospitals and Health Care | 🇺🇸 Cleveland | 49,624 |  |
| 10 | [DEKRA](https://www.tamtam.ai/c/dekra) (dekra.com)<br>DEKRA provides expert safety services worldwide, including vehicle inspection, claims services, industrial inspections, training, product certification, and sustainable solutions | Public Safety | 🇩🇪 Stuttgart | 49,000 |  |
| 11 | [Mayo Clinic](https://www.tamtam.ai/c/mayo-clinic) (mayoclinic.org)<br>A leading not-for-profit medical practice founded on values of patient-centered care, teamwork, professionalism, and excellence in healthcare services | Hospitals and Health Care | 🇺🇸 Rochester | 48,774 |  |
| 12 | [Los Angeles Unified School District](https://www.tamtam.ai/c/los-angeles-unified-school-district) (lausd.org)<br>Public school district serving nearly 575,000 students across over 900 schools, focusing on academic achievement and healthy meals. | Education Administration Programs | 🇺🇸 Los Angeles | 45,643 | 1853 |
| 13 | [Borges engenharia](https://www.tamtam.ai/c/borges-engenharia) (iics.org.br)<br>Specializes in training, updating, and specializing university graduates in the fields of Law, Communication, Business Management, Education, and Health with a focus on ethics and scientific knowledge | Higher Education | 🇧🇷 São Paulo | 42,454 | 1972 |
| 14 | [Einstein Hospital Israelita](https://www.tamtam.ai/c/einstein-hospital-israelita) (einstein.br)<br>A leading healthcare institution offering cutting-edge treatments, compassionate care, social responsibility initiatives, and education and research programs for the community | Hospitals and Health Care | 🇧🇷 São Paulo | 40,979 |  |
| 15 | [NGO](https://www.tamtam.ai/c/ngo) (sarthakindia.org)<br>This organization provides training and employment opportunities for differently privileged individuals, including those with disabilities and those from disadvantaged backgrounds, in various fields | Non-profit Organizations | 🇮🇳 New Delhi | 40,614 | 2008 |
| 16 | [Laureate Education, Inc.](https://www.tamtam.ai/c/laureate-education-inc) (laureate.net)<br>Providing accessible, high-quality undergraduate and graduate degree programs focused on developing skills and creating positive societal impact. | Higher Education | 🇺🇸 Miami | 40,326 | 1999 |
| 17 | [NSW Department of Education](https://www.tamtam.ai/c/nsw-department-of-education) (education.nsw.gov.au)<br>Leading education system in NSW, preparing students for success in society Offers employees flexible working conditions, attractive salaries, and opportunities for growth | Education Administration Programs | 🇦🇺 Sydney | 39,443 | 1848 |
| 18 | [Johns Hopkins Medicine](https://www.tamtam.ai/c/johns-hopkins-medicine) (hopkinsmedicine.org)<br>Coordinates research, teaching, patient care, and related enterprises for the university's School of Medicine and health system, including hospitals and healthcare practices. | Hospitals and Health Care | 🇺🇸 Baltimore | 39,325 |  |
| 19 | [University of Michigan](https://www.tamtam.ai/c/university-of-michigan) (umich.edu)<br>A prestigious institution dedicated to excellence in knowledge, art, and leadership development, serving Michigan and the world for the greater good | Higher Education | 🇺🇸 Ann Arbor | 39,204 | 1817 |
| 20 | [T.C. Millî Eğitim Bakanlığı](https://www.tamtam.ai/c/t-c-milli-egitim-bakanl-g) (meb.gov.tr)<br>Operating as a government ministry, managing national education since the founding of the republic, with various name changes over time, current structure defined by a 2011 decree. | Utilities | 🇹🇷 Çankaya | 39,164 | 1920 |
| 21 | [Chicago Public Schools](https://www.tamtam.ai/c/chicago-public-schools) (cps.edu)<br>Provides education to over 340,000 students across more than 600 schools, focusing on college, career, and life readiness. | Education Administration Programs | 🇺🇸 Chicago | 38,314 | 1837 |
| 22 | [Fresher](https://www.tamtam.ai/c/fresher-bangalore) (gssedu.org)<br>A platform sharing job updates and opportunities specifically geared towards freshers in the workforce | Staffing and Recruiting | 🇮🇳 Bengaluru | 37,683 |  |
| 23 | [Escola Estadual](https://www.tamtam.ai/c/escola-estadual) (escolaestadualfidelisreis.blogspot.com)<br>A primary/secondary education company located in Uberaba, Brazil, providing educational services to students in the local area | Primary and Secondary Education | 🇧🇷 Uberaba | 37,198 |  |
| 24 | [Harvard University](https://www.tamtam.ai/c/harvard-university) (harvard.edu)<br>An institution dedicated to teaching, learning, and research, producing global leaders across disciplines since 1636 Maintains flagship social media channels | Higher Education | 🇺🇸 Cambridge | 34,940 |  |
| 25 | [PW (PhysicsWallah)](https://www.tamtam.ai/c/pw-physicswallah) (pw.live)<br>An educational platform offering affordable and high-quality resources for students preparing for entrance exams, led by renowned physics teacher and YouTuber | Education | 🇮🇳 Noida | 34,293 | 2016 |
| 26 | [SENA](https://www.tamtam.ai/c/sena) (edu.co)<br>Official training institution established in 1957, funded by a payroll tax, focused on achieving social and economic goals for Colombia | Education Administration Programs | 🇨🇴 | 32,386 | 1957 |
| 27 | [University of Washington](https://www.tamtam.ai/c/university-of-washington) (washington.edu)<br>Public research university offering diverse educational programs, extensive campuses, cultural activities, and high-quality medical care, engaging with communities. | Higher Education | 🇺🇸 Seattle | 32,106 |  |
| 28 | [University of Florida](https://www.tamtam.ai/c/university-of-florida) (ufl.edu)<br>A major public research university in Florida with established programs in international education, research, and service, founded in 1853 | Higher Education | 🇺🇸 Gainesville | 31,315 |  |
| 29 | [Queensland Department of Education](https://www.tamtam.ai/c/queensland-department-of-education) (qed.qld.gov.au)<br>This company in Queensland is dedicated to providing educational opportunities for all residents, focusing on equity and excellence in every stage of development | Government Administration | 🇦🇺 Brisbane | 31,077 |  |
| 30 | [University of Wisconsin-Madison](https://www.tamtam.ai/c/university-of-wisconsin-madison) (wisc.edu)<br>A prestigious public university in Madison, offering a wide range of liberal arts studies, professional programs, and student activities on a sprawling campus | Higher Education | 🇺🇸 Madison | 30,836 |  |
| 31 | [The Ohio State University](https://www.tamtam.ai/c/the-ohio-state-university) (osu.edu)<br>Large public university offering extensive research opportunities and multiple regional campuses, serving as a model for Ohio's higher education system. | Higher Education | 🇺🇸 Columbus | 30,775 | 1870 |
| 32 | [Texas A&M University](https://www.tamtam.ai/c/texas-a-and-m-university) (tamu.edu)<br>Public university offering diverse research, military officer training, athletics, and hosting presidential library with strong community values and hospitality. | Higher Education | 🇺🇸 College Station | 30,552 | 1876 |
| 33 | [Mount Sinai Health System](https://www.tamtam.ai/c/mount-sinai-health-system) (mountsinai.org)<br>Provides distinguished care, conducts transformative research, and advances biomedical education through hospitals, a medical school, and extensive ambulatory network. | Hospitals and Health Care | 🇺🇸 New York | 30,202 | 2013 |
| 34 | [HonorHealth](https://www.tamtam.ai/c/honorhealth) (honorhealth.com)<br>Provides comprehensive healthcare services including acute-care hospitals, medical group, cancer care, surgery centers, research, education, and community services across Arizona. | Hospitals and Health Care | 🇺🇸 Scottsdale | 30,000 | 2013 |
| 35 | [NYU Langone Health](https://www.tamtam.ai/c/nyu-langone-health) (jobs.nyulangone.org)<br>World-class academic medical center with top-ranked patient care, education, and research programs, serving diverse communities with excellence and inclusive values | Hospitals and Health Care | 🇺🇸 New York | 29,840 |  |
| 36 | [Indiana University](https://www.tamtam.ai/c/indiana-university) (iu.edu)<br>Public university system with nine campuses across Indiana, providing diverse educational opportunities and community engagement throughout the state. | Higher Education | 🇺🇸 Bloomington | 29,726 |  |
| 37 | [UCLA](https://www.tamtam.ai/c/ucla) (ucla.edu)<br>A renowned public research university offering diverse academic programs in a picturesque campus location within a thriving global city | Higher Education | 🇺🇸 Los Angeles | 29,540 | 1919 |
| 38 | [Tecnológico de Monterrey](https://www.tamtam.ai/c/tecnologico-de-monterrey) (tec.mx)<br>Private university system promoting research, knowledge transfer, and technology to support economic, political, and social development in Mexico. | Higher Education | 🇲🇽 Monterrey | 29,006 | 1943 |
| 39 | [University of Toronto](https://www.tamtam.ai/c/university-of-toronto) (defygravitycampaign.utoronto.ca)<br>Leading Canadian university focused on research, innovation, and global education to address pressing societal challenges and prepare students for success | Higher Education | 🇨🇦 Toronto | 28,832 |  |
| 40 | [Stanford University](https://www.tamtam.ai/c/stanford-university) (stanford.edu)<br>Leading research university fostering innovation, education, and global citizenship with extensive resources, diverse programs, and strong community partnerships. | Higher Education | 🇺🇸 Stanford | 28,573 |  |
| 41 | [University of Minnesota](https://www.tamtam.ai/c/university-of-minnesota) (twin-cities.umn.edu)<br>Offers a vast array of baccalaureate, master's, and doctoral degrees across numerous fields at five campuses, providing extensive education and outreach. | Higher Education | 🇺🇸 Minneapolis and St. Paul | 28,030 | 1851 |
| 42 | [New York University](https://www.tamtam.ai/c/new-york-university) (nyu.edu)<br>Research university with global campuses and academic sites offering diverse programs in arts, sciences, law, medicine, business, and professional studies. | Higher Education | 🇺🇸 New York | 26,981 |  |
| 43 | [University of Missouri System](https://www.tamtam.ai/c/university-of-missouri-system) (umsystem.edu)<br>A prestigious public research institution in Missouri, promoting education, research, and service to serve the state, nation, and beyond | Higher Education | 🇺🇸 Columbia | 26,615 |  |
| 44 | [University of Buenos Aires](https://www.tamtam.ai/c/university-of-buenos-aires) (uba.ar)<br>Public university offering extensive undergraduate and postgraduate programs, renowned for academic excellence and significant research contributions in Argentina. | Higher Education | 🇦🇷 Buenos Aires | 26,362 | 1821 |
| 45 | [The University of Texas at Austin](https://www.tamtam.ai/c/the-university-of-texas-at-austin) (utexas.edu)<br>A prestigious public university with a large campus, diverse academic programs, and a significant number of students, faculty, and staff | Higher Education | 🇺🇸 Austin | 26,268 | 1883 |
| 46 | [Michigan State University](https://www.tamtam.ai/c/michigan-state-university) (msu.edu)<br>Leading global public university offering over 400 academic programs, fostering education, research, and community engagement with Spartan spirit. | Higher Education | 🇺🇸 East Lansing | 26,149 | 1855 |
| 47 | [Purdue University](https://www.tamtam.ai/c/purdue-university) (purdue.edu)<br>Major research university offering top programs in science, engineering, pharmacy, business, and agriculture with diverse global student community. | Higher Education | 🇺🇸 West Lafayette | 25,360 | 1869 |
| 48 | [Estácio](https://www.tamtam.ai/c/estacio) (estacio.br)<br>A leading Brazilian educational institution providing excellence in education through a wide range of courses, with a focus on innovation and social responsibility | Higher Education | 🇩🇴 Território Nacional | 25,202 | 1970 |
| 49 | [Göteborgs Stad](https://www.tamtam.ai/c/goteborgs-stad) (goteborg.se)<br>Provides diverse public services, promotes sustainable urban development, offers numerous career opportunities, and ensures equal democratic rights access. | Government Administration | 🇸🇪 | 25,079 |  |
| 50 | [The University of British Columbia](https://www.tamtam.ai/c/the-university-of-british-columbia) (ubc.ca)<br>a global center for research and teaching, consistently ranked among the top 20 public universities worldwide. | Higher Education | 🇨🇦 Vancouver | 25,036 |  |
| 51 | [University of Illinois Urbana-Champaign](https://www.tamtam.ai/c/university-of-illinois-urbana-champaign) (illinois.edu)<br>Leading public university with strong focus on education, research, global student opportunities, faculty innovation, and significant economic and community impact. | Higher Education | 🇺🇸 Champaign | 24,692 |  |
| 52 | [UCL](https://www.tamtam.ai/c/ucl) (ucl.ac.uk)<br>Leading multidisciplinary university in London, promoting academic excellence, inclusive education, and impactful research addressing real-world challenges. | Research Services | 🇬🇧 London | 24,678 |  |
| 53 | [British Council](https://www.tamtam.ai/c/british-council) (britishcouncil.org)<br>Building global connections through arts, education, English language learning, and qualifications to empower individuals and foster international understanding. | Non-profit Organizations | 🇬🇧 London | 24,510 | 1934 |
| 54 | [Department of Education](https://www.tamtam.ai/c/department-of-education) (education.vic.gov.au)<br>Providing and regulating early childhood and school education services to ensure equitable learning opportunities across Victoria. | Government Administration | 🇦🇺 | 24,494 |  |
| 55 | [University of California, Berkeley](https://www.tamtam.ai/c/university-of-california-berkeley) (berkeley.edu)<br>Public research university offering diverse academic programs, fostering innovation, and serving as a flagship institution in California. | Higher Education | 🇺🇸 Berkeley | 24,082 | 1868 |
| 56 | [Goodwill Industries International](https://www.tamtam.ai/c/goodwill-industries-international) (goodwill.org)<br>nonprofit organization providing education, training, and career services to disadvantaged individuals and people with disabilities for empowerment. | Non-profit Organizations | 🇺🇸 Rockville | 24,004 | 1902 |
| 57 | [University of Southern California](https://www.tamtam.ai/c/university-of-southern-california) (usc.edu)<br>A leading private research university located in Los Angeles, focused on academic excellence and fostering a community of alumni and students | Higher Education | 🇺🇸 Los Angeles | 23,894 | 1880 |
| 58 | [Stockholms stad](https://www.tamtam.ai/c/stockholms-stad) (jobba.stockholm)<br>The company employs around 40,000 individuals in various sectors such as education, eldercare, construction permits, and recreational facilities under city governance | Government Administration | 🇸🇪 Stockholm | 23,833 |  |
| 59 | [University of Kentucky](https://www.tamtam.ai/c/university-of-kentucky) (uky.edu)<br>A public research university dedicated to improving lives through teaching, research, healthcare, cultural enrichment, and economic development for over 150 years | Higher Education | 🇺🇸 Lexington | 23,783 | 1865 |
| 60 | [Clark County School District](https://www.tamtam.ai/c/clark-county-school-district) (recruitment.ccsd.net)<br>Public school district serving over 300,000 students with diverse programs, including magnet and career academies, focused on academic excellence. | Education Administration Programs | 🇺🇸 Las Vegas | 23,773 | 1956 |
| 61 | [Massachusetts Institute of Technology](https://www.tamtam.ai/c/massachusetts-institute-of-technology) (web.mit.edu)<br>A private research university in Cambridge, Massachusetts, advancing knowledge and educating students in science and technology-focused areas | Higher Education | 🇺🇸 Cambridge | 23,586 | 1861 |
| 62 | [Columbia University](https://www.tamtam.ai/c/columbia-university) (columbia.edu)<br>A renowned leader in higher education, Columbia attracts top minds to drive academic inquiry, make groundbreaking discoveries, and serve society globally | Higher Education | 🇺🇸 New York | 23,565 | 1754 |
| 63 | [USP - Universidade de São Paulo](https://www.tamtam.ai/c/usp-universidade-de-sao-paulo) (www5.usp.br)<br>Educates students, conducts research, and contributes to scientific productivity, recognized by global rankings for faculty, student, and staff dedication. | Higher Education | 🇧🇷 São Paulo | 23,205 | 1934 |
| 64 | [University of Oxford](https://www.tamtam.ai/c/university-of-oxford) (ox.ac.uk)<br>A leading university in various academic disciplines, fostering innovation, entrepreneurship, and social support while upholding respect and banning hate speech | Higher Education | 🇬🇧 Oxford | 23,103 | 1096 |
| 65 | [UT MD Anderson](https://www.tamtam.ai/c/ut-md-anderson) (mdanderson.org)<br>A leading cancer center focused on patient care, research, education, and prevention, with top rankings in cancer care and a mission to #EndCancer | Hospitals and Health Care | 🇺🇸 Houston | 23,100 | 1944 |
| 66 | [University of Pennsylvania](https://www.tamtam.ai/c/university-of-pennsylvania) (upenn.edu)<br>Renowned Ivy League university with 12 schools offering a wide range of programs including arts, sciences, engineering, business, and medicine | Higher Education | 🇺🇸 Philadelphia | 22,558 | 1740 |
| 67 | [EF](https://www.tamtam.ai/c/ef) (ef.com)<br>Opens the world through education, offering language, cultural exchange, academic studies, and travel to foster understanding and challenge biases. | Education | 🇨🇭 Zurich | 22,304 | 1965 |
| 68 | [UC San Diego](https://www.tamtam.ai/c/uc-san-diego) (ucsd.edu)<br>A globally renowned research university fostering collaboration, driving discoveries, and equipping students to solve pressing global issues as changemakers | Higher Education | 🇺🇸 La Jolla | 22,205 |  |
| 69 | [Henry Ford Health](https://www.tamtam.ai/c/henry-ford-health) (henryford.com)<br>Integrated health system offering acute, specialty, primary, preventive care, medical education, research, and health insurance services with academic affiliations. | Hospitals and Health Care | 🇺🇸 Detroit | 22,161 | 1915 |
| 70 | [Houston Methodist](https://www.tamtam.ai/c/houston-methodist) (houstonmethodist.org)<br>Comprehensive health system with hospitals, research institute, residency programs, outpatient and emergency care centers serving Greater Houston area. | Hospitals and Health Care | 🇺🇸 Houston | 22,002 |  |
| 71 | [Penn Medicine, University of Pennsylvania Health System](https://www.tamtam.ai/c/penn-medicine-university-of-pennsylvania-health-system) (pennmedicine.org)<br>Leading academic medical center combining cutting-edge research, comprehensive patient care, and education to improve health and transform lives regionally. | Hospitals and Health Care | 🇺🇸 Philadelphia | 21,979 |  |
| 72 | [University of California, San Francisco](https://www.tamtam.ai/c/university-of-california-san-francisco) (ucsf.edu)<br>Driven by converging research, education, and patient care for breakthroughs. Pursues integrated excellence through collaboration among professional and graduate schools, medical center, and research programs. | Higher Education | 🇺🇸 San Francisco | 21,955 | 1873 |
| 73 | [University of Melbourne](https://www.tamtam.ai/c/university-of-melbourne) (unimelb.edu.au)<br>Provides high-quality education and research addressing global social, economic, and environmental challenges with strong community connections. | Higher Education | 🇦🇺 Melbourne | 21,904 | 1853 |
| 74 | [Vanderbilt University Medical Center](https://www.tamtam.ai/c/vanderbilt-university-medical-center) (vanderbilthealth.com)<br>Leading academic medical center, excels in patient care, research, and education, solving complex medical problems through innovation and collaboration. Specialized care for various conditions, including transplants and pediatric cancer. | Hospitals and Health Care | 🇺🇸 Nashville | 21,888 | 1875 |
| 75 | [Monash University](https://www.tamtam.ai/c/monash-university) (monash.edu)<br>Leading research-intensive university offering a wide range of undergraduate, postgraduate, and research courses with a global presence and significant impact beyond academia | Higher Education | 🇦🇺 Victoria | 21,673 |  |
| 76 | [University of Maryland](https://www.tamtam.ai/c/university-of-maryland) (umd.edu)<br>Public research university emphasizing hands-on learning, interdisciplinary collaboration, innovation, entrepreneurship, and global citizenship through diverse academic and research opportunities. | Higher Education | 🇺🇸 College Park | 21,670 |  |
| 77 | [Galileo Global Education](https://www.tamtam.ai/c/galileo-global-education) (ggeedu.com)<br>Global leader in independent higher education with 61 schools, 106 campuses in 18 countries Emphasis on employability, innovation, interdisciplinary education, and professional integration | Higher Education | 🇫🇷 Paris | 21,541 |  |
| 78 | [University of California, Davis](https://www.tamtam.ai/c/university-of-california-davis) (ucdavis.edu)<br>Public university offering diverse undergraduate and graduate programs, conducting extensive research, fostering innovation, and preparing future leaders across multiple disciplines. | Higher Education | 🇺🇸 Davis | 21,439 | 1908 |
| 79 | [Miami-Dade County Public Schools](https://www.tamtam.ai/c/miami-dade-county-public-schools) (dadeschools.net)<br>Public school district providing education services to students in Miami-Dade County, Florida, operating numerous schools and educational programs. | Education | 🇺🇸 Miami | 21,425 | 1885 |
| 80 | [University of Arizona](https://www.tamtam.ai/c/university-of-arizona) (arizona.edu)<br>Leading public research university in the American Southwest, enriching communities with top-notch research, resources, and career-focused education Your investment in yourself | Higher Education | 🇺🇸 Tucson | 21,024 |  |
| 81 | [Bertelsmann SE & Co. KGaA](https://www.tamtam.ai/c/bertelsmann-se-and-co-kgaa) (wonderl.ink)<br>A global media, services, and education company with diverse subsidiaries, generating billions in revenue and striving for climate neutrality by 2030 | Media Production | 🇩🇪 Gütersloh | 20,799 |  |
| 82 | [North Carolina State University](https://www.tamtam.ai/c/north-carolina-state-university) (ncsu.edu)<br>Comprehensive university specializing in STEM education and research, committed to improving quality of life locally and globally through innovation. | Higher Education | 🇺🇸 Raleigh | 20,729 | 1887 |
| 83 | [King's College London](https://www.tamtam.ai/c/king-s-college-london) (kcl.ac.uk)<br>Top-ranked university offering world-class education and research, fostering innovation and positive societal impact globally and locally. | Research Services | 🇬🇧 London | 20,705 |  |
| 84 | [University Hospitals](https://www.tamtam.ai/c/university-hospitals) (uhhospitals.org)<br>Integrated healthcare provider in northern Ohio, offering hospital services, outpatient facilities, physician offices, and leading research programs. | Hospitals and Health Care | 🇺🇸 Cleveland | 20,700 | 1866 |
| 85 | [Fairfax County Public Schools](https://www.tamtam.ai/c/fairfax-county-public-schools) (fcps.edu)<br>Serving over 180,000 students from prekindergarten to grade 12 with extensive staff support and advanced educational resources. | Primary and Secondary Education | 🇺🇸 Falls Church | 20,574 |  |
| 86 | [University of Cambridge](https://www.tamtam.ai/c/university-of-cambridge) (cam.ac.uk)<br>A leading research university with 31 Colleges and over 150 departments, faculties, and schools, focused on excellence in education and research | Research Services | 🇬🇧 Cambridge | 20,304 |  |
| 87 | [The University of Manchester](https://www.tamtam.ai/c/the-university-of-manchester) (manchester.ac.uk)<br>A prestigious university known for teaching excellence, research innovation, and a history of world firsts, with a large global alumni community | Higher Education | 🇬🇧 Manchester | 20,294 | 1824 |
| 88 | [University of Sydney](https://www.tamtam.ai/c/university-of-sydney) (sydney.edu.au)<br>Top Australian university focusing on research excellence and inclusive education, supporting diverse students and advancing knowledge globally. | Higher Education | 🇦🇺 The University of Sydney | 20,284 |  |
| 89 | [The University of North Carolina at Chapel Hill](https://www.tamtam.ai/c/the-university-of-north-carolina-at-chapel-hill) (unc.edu)<br>A leading public university known for its vibrant community, diverse student body, academic excellence, and unmatched value in higher education | Higher Education | 🇺🇸 Chapel Hill | 20,098 |  |
| 90 | [Massachusetts General Hospital](https://www.tamtam.ai/c/massachusetts-general-hospital) (massgeneral.org)<br>Dedicated to providing top-notch healthcare in a compassionate environment through innovative research and education, improving health in diverse communities served | Hospitals and Health Care | 🇺🇸 Boston | 20,001 | 1811 |
| 91 | [Cornell University](https://www.tamtam.ai/c/cornell-university) (cornell.edu)<br>Privately endowed research university partnering with New York State, focusing on public engagement to improve quality of life globally. | Higher Education | 🇺🇸 Ithaca | 19,921 | 1865 |
| 92 | [CIEE - Centro de Integração Empresa-Escola](https://www.tamtam.ai/c/ciee-centro-de-integracao-empresa-escola) (portal.ciee.org.br)<br>An organization providing learning and internship programs for adolescents and young adults, facilitating their entry into the workforce | Philanthropic Fundraising Services | 🇧🇷 São Paulo | 19,879 | 1964 |
| 93 | [Georgia Institute of Technology](https://www.tamtam.ai/c/georgia-institute-of-technology) (gatech.edu)<br>Focused technological education and research for over 25,000 students across multiple colleges, fostering innovation through numerous research centers. | Higher Education | 🇺🇸 Atlanta | 19,765 | 1888 |
| 94 | [Yale University](https://www.tamtam.ai/c/yale-university) (news.yale.edu)<br>Research university fostering global connections, creativity, and innovation, emphasizing student learning and positive worldwide impact. | Higher Education | 🇺🇸 New Haven | 19,675 |  |
| 95 | [Memorial Sloan Kettering Cancer Center](https://www.tamtam.ai/c/memorial-sloan-kettering-cancer-center) (mskcc.org)<br>Specialized teams provide personalized cancer care, conduct innovative research, and train future scientists and clinicians worldwide. | Hospitals and Health Care | 🇺🇸 New York | 19,653 | 1884 |
| 96 | [SPDM - Associação Paulista para o Desenvolvimento da Medicina](https://www.tamtam.ai/c/spdm-associacao-paulista-para-o-desenvolvimento-da-medicina) (spdm.org.br)<br>Nonprofit organization managing hospitals and health centers, promoting disease prevention, social assistance, education, and inclusive healthcare services. | Hospitals and Health Care | 🇧🇷 São Paulo | 19,529 | 1933 |
| 97 | [University of Pittsburgh](https://www.tamtam.ai/c/university-of-pittsburgh) (pitt.edu)<br>Top-ranked public institution in Pennsylvania, member of leading research universities Known for innovative discoveries and shaping future paths | Higher Education | 🇺🇸 Pittsburgh | 19,349 | 1787 |
| 98 | [UT Southwestern Medical Center](https://www.tamtam.ai/c/ut-southwestern-medical-center) (utsouthwestern.edu)<br>An academic medical center with top research, education, and patient care; offering training to students and providing specialized healthcare services | Hospitals and Health Care | 🇺🇸 Dallas | 19,275 | 1943 |
| 99 | [University of South Florida](https://www.tamtam.ai/c/university-of-south-florida) (usf.edu)<br>A metropolitan research university with campuses in Tampa Bay, offering undergraduate, graduate, and professional degrees, innovative research, and a world-class educational experience | Higher Education | 🇺🇸 Tampa | 19,255 | 1956 |
| 100 | [AFPA](https://www.tamtam.ai/c/afpa) (afpa.fr)<br>Leading adult professional training organization in France, offering a wide range of job-focused courses to help individuals gain employment and assist companies in workforce development | Professional Training and Coaching | 🇫🇷 Montreuil | 19,244 | 1946 |

## How this list is built

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.

## More company lists in the world

- [The largest companies in the world](https://www.tamtam.ai/l/largest-companies-in-the-world) (415,122)
- [Multinational companies in the world](https://www.tamtam.ai/l/multinational-companies-in-the-world) (74,925)
- [Manufacturers in the world](https://www.tamtam.ai/l/manufacturers-in-the-world) (39,579)
- [Retail chains in the world](https://www.tamtam.ai/l/retail-chains-in-the-world) (35,499)
- [Companies with in-house R&D in the world](https://www.tamtam.ai/l/r-and-d-companies-in-the-world) (34,346)
- [Financial services firms in the world](https://www.tamtam.ai/l/financial-services-firms-in-the-world) (26,817)
- [Professional services firms in the world](https://www.tamtam.ai/l/professional-services-firms-in-the-world) (24,737)
- [IT Services and IT Consulting companies in the world](https://www.tamtam.ai/l/it-services-and-it-consulting-companies-in-the-world) (23,571)
- [Critical infrastructure operators in the world](https://www.tamtam.ai/l/critical-infrastructure-operators-in-the-world) (23,312)
- [SaaS companies in the world](https://www.tamtam.ai/l/saas-companies-in-the-world) (22,459)
- [IT services companies in the world](https://www.tamtam.ai/l/it-services-companies-in-the-world) (20,934)
- [Software Development companies in the world](https://www.tamtam.ai/l/software-development-companies-in-the-world) (20,534)
- [Hardware manufacturers in the world](https://www.tamtam.ai/l/hardware-companies-in-the-world) (20,159)
- [Financial Services companies in the world](https://www.tamtam.ai/l/financial-services-companies-in-the-world) (19,958)
- [Companies with a mobile app in the world](https://www.tamtam.ai/l/companies-with-mobile-app-in-the-world) (18,922)
- [Public sector organisations in the world](https://www.tamtam.ai/l/public-sector-organisations-in-the-world) (18,493)
- [Healthcare providers in the world](https://www.tamtam.ai/l/healthcare-providers-in-the-world) (16,037)
- [Consulting firms in the world](https://www.tamtam.ai/l/consulting-firms-in-the-world) (16,009)
- [Family-owned companies in the world](https://www.tamtam.ai/l/family-owned-companies-in-the-world) (14,667)
- [Distributors and wholesalers in the world](https://www.tamtam.ai/l/distributors-and-wholesalers-in-the-world) (13,470)
- [Hospitals and Health Care companies in the world](https://www.tamtam.ai/l/hospitals-and-health-care-companies-in-the-world) (12,916)
- [Corporate groups and holding companies in the world](https://www.tamtam.ai/l/holding-companies-in-the-world) (12,864)
- [E-commerce companies in the world](https://www.tamtam.ai/l/ecommerce-companies-in-the-world) (12,013)
- [Higher Education companies in the world](https://www.tamtam.ai/l/higher-education-companies-in-the-world) (11,756)

## The same list elsewhere

- [Education providers in North America](https://www.tamtam.ai/l/education-companies-in-north-america) (8,464)
- [Education providers in Europe](https://www.tamtam.ai/l/education-companies-in-europe) (7,925)
- [Education providers in Asia](https://www.tamtam.ai/l/education-companies-in-asia) (3,829)
- [Education providers in Latin America](https://www.tamtam.ai/l/education-companies-in-latin-america) (2,329)
- [Education providers in Africa](https://www.tamtam.ai/l/education-companies-in-africa) (690)
- [Education providers in the Middle East](https://www.tamtam.ai/l/education-companies-in-the-middle-east) (533)
- [Education providers in Australia](https://www.tamtam.ai/l/education-companies-australia) (402)
- [Education providers in Italy](https://www.tamtam.ai/l/education-companies-italy) (331)
- [Education providers in China](https://www.tamtam.ai/l/education-companies-china) (298)
- [Education providers in Belgium](https://www.tamtam.ai/l/education-companies-belgium) (209)
- [Education providers in Sweden](https://www.tamtam.ai/l/education-companies-sweden) (209)
- [Education providers in Argentina](https://www.tamtam.ai/l/education-companies-argentina) (204)
- [Education providers in Switzerland](https://www.tamtam.ai/l/education-companies-switzerland) (191)
- [Education providers in Pakistan](https://www.tamtam.ai/l/education-companies-pakistan) (162)
- [Education providers in Egypt](https://www.tamtam.ai/l/education-companies-egypt) (142)
- [Education providers in Bangladesh](https://www.tamtam.ai/l/education-companies-bangladesh) (137)
- [Education providers in Portugal](https://www.tamtam.ai/l/education-companies-portugal) (135)
- [Education providers in Nigeria](https://www.tamtam.ai/l/education-companies-nigeria) (134)
- [Education providers in Chile](https://www.tamtam.ai/l/education-companies-chile) (132)
- [Education providers in Poland](https://www.tamtam.ai/l/education-companies-poland) (127)
- [Education providers in Malaysia](https://www.tamtam.ai/l/education-companies-malaysia) (119)
- [Education providers in Denmark](https://www.tamtam.ai/l/education-companies-denmark) (109)
- [Education providers in South Africa](https://www.tamtam.ai/l/education-companies-south-africa) (108)
- [Education providers in Vietnam](https://www.tamtam.ai/l/education-companies-vietnam) (102)

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Source: https://www.tamtam.ai/l/education-companies-in-the-world