| # | Company | Employees |
|---|---|---|
| 1 |
Harvard Universityharvard.edu
An institution dedicated to teaching, learning, and research, producing global leaders across disciplines since 1636 Maintains flagship social media channels |
34,940 |
| 2 |
Massachusetts Institute of Technologyweb.mit.edu
A private research university in Cambridge, Massachusetts, advancing knowledge and educating students in science and technology-focused areas |
23,586 |
| 3 |
MIT Sloan School of Managementmitsloan.mit.edu
A leading management school in Cambridge, Massachusetts that focuses on inventing ideas with impact, discovering future challenges and opportunities |
3,132 |
| 4 |
Harvard Law Schoolhls.harvard.edu
A prestigious center of legal education offering a rigorous curriculum, diverse faculty, extensive research programs, and a global network of alumni |
2,550 |
| 5 |
Aspire Instituteaspireleaders.org
A non-profit organization founded to empower low-income, first-generation college students worldwide through a fully funded leadership development program |
2,518 |
| 6 |
Mass General Hospitalmassgeneral.org
A higher education company located in Cambridge, Massachusetts, United States, specializing in providing healthcare services and medical research at Mass General Hospital |
1,839 |
| 7 |
Hult International Business Schoolhult.edu
Offers undergraduate and postgraduate business programs across global campuses with a diverse student body from over 140 nationalities. |
1,804 |
| 8 |
Lesley Universitylesley.edu
Dedicated to active learning, research, and artistic practice, fostering mentorship relationships to prepare graduates for shaping a more just world |
1,444 |
| 9 |
Harvard Kennedy Schoolhks.harvard.edu
This organization at Harvard Kennedy School aims to improve public policy, leadership, and global connections for a safer, freer, and more just society |
1,226 |
| 10 |
Harvard Graduate School of Educationgse.harvard.edu
Dedicated to studying and improving education, believing it is crucial to society's health and future |
1,109 |
| 11 |
MIT Media Labmedia.mit.edu
An interdisciplinary creative playground at the intersection of academic rigor and transformative technology, focused on positive societal impact |
801 |
| 12 |
Harvard University Graduate School of Designgsd.harvard.edu
A leading graduate school focused on educating professionals in architecture, landscape design, urban planning, and related disciplines to shape the 21st century built environment |
681 |
| 13 |
MIT Professional Educationprofessional.mit.edu
This company provides specialized education programs taught by MIT faculty for science and engineering professionals worldwide to advance their careers and organizations |
625 |
| 14 |
Harvard John A. Paulson School of Engineering and Applied Sciencesseas.harvard.edu
SEAS conducts collaborative research and education at the intersection of engineering, applied sciences, and technology to address global challenges and serve society |
600 |
| 15 |
Harvard Extension Schoolextension.harvard.edu
Provides continuing education at Harvard for over a century, offering affordable, open-enrollment courses, certificates, and degrees for adult, part-time learners. |
585 |
| 16 |
Dorchester County Public Schoolsdcps.schoolspring.com
The company's mission is to provide leadership for excellence in teaching and learning for all students, preparing them for college and careers |
584 |
| 17 | 533 | |
| 18 |
Center for Astrophysics | Harvard & Smithsoniancfa.harvard.edu
A collaborative research center between Harvard and the Smithsonian dedicated to advancing knowledge of the universe through astronomy and astrophysics |
519 |
| 19 |
EF High School Exchange Yearefexchangeyear.org
Facilitating cultural exchange by connecting high school students worldwide with American host families, creating lasting friendships and transformative experiences |
442 |
| 20 |
Lumiere Educationlumiere-education.com
This company is passionate about training future researchers, having received over 5000 student applications to their programs |
407 |
| 21 |
BLK Capital Management, Corpblkcapitalmanagement.org
A student-run hedge fund focused on educating members in active investment management, specializing in long/short equity with a global approach |
401 |
| 22 |
Buckingham Browne & Nichols Schoolbbns.org
An independent co-educational day school in Massachusetts, educating students from pre-kindergarten through twelfth grade, with top rankings and notable alumni achievements |
373 |
| 23 |
Aspire Leaders Program
A global organization empowering first-generation college students to unlock their potential through education, mentorship, and connections to Harvard faculty |
369 |
| 24 |
Cambridge-Isanti Schoolsc-ischools.org
An educational institution in partnership with the community, the company aims to educate, empower, and inspire every student to reach their full potential |
334 |
| 25 |
iGEM Competitioncompetition.igem.org
Annual synthetic biology competition for students to build genetically engineered systems using BioBricks, striving to make a positive impact on communities |
210 |
| 26 |
Harvard Kenneth C. Griffin Graduate School of Arts and Sciencesgsas.harvard.edu
The Graduate School of Arts and Sciences fosters scholarship, innovation, and diverse communities across 58 fields of study, offering 5 years of funding to PhD candidates |
199 |
| 27 |
MIT EECSeecs.mit.edu
Leading academic department preparing students for careers in research and industry through world-class faculty, innovative research, and education in electrical engineering and computing. |
193 |
| 28 |
Harvard Onlineharvardonline.harvard.edu
Enabling faculty to create open, online courses for campus and global learners, advancing research in learning sciences. |
87 |
| 29 |
MIT Materials Research Laboratorymrl.mit.edu
The company supports materials science research, interdisciplinary projects, educational outreach programs, and industry engagement to benefit society |
10 |
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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 2, 2026.
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The same list elsewhere in United States
- Education providers in California 952
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