| # | Company | Employees |
|---|---|---|
| 1 |
Stanford Universitystanford.edu
Leading research university fostering innovation, education, and global citizenship with extensive resources, diverse programs, and strong community partnerships. |
28,573 |
| 2 |
Stanford University Graduate School of Businessgsb.stanford.edu
The company provides management and leadership programs, including MBA, MSx, PhD, and Executive Education, empowering individuals through innovative learning experiences |
5,192 |
| 3 |
Upworkupwork.com
They provide a platform connecting companies with talent for various skills, helping individuals and businesses collaborate and achieve their full potential |
2,067 |
| 4 | 1,755 | |
| 5 |
Stanford Law Schoollaw.stanford.edu
The company is a law school that offers a variety of joint degree programs in interdisciplinary fields to prepare students for a globalized world |
655 |
| 6 |
Hoover Institution, Stanford Universityhoover.org
Researching economics, politics, and international affairs to advance ideas promoting economic opportunity, prosperity, and securing peace for America and humanity. |
652 |
| 7 |
Stanford University School of Engineeringstanford.edu
Researching, educating future engineers, and innovating pivotal technologies through a multidisciplinary approach for societal impact and 21st-century challenges. |
531 |
| 8 |
Stanford Artificial Intelligence Laboratory (SAIL)ai.stanford.edu
A prestigious Artificial Intelligence laboratory providing cutting-edge research, education, and innovation in the field since its founding in 1962 |
353 |
| 9 |
Stanford Athleticsgostanford.com
Leading athletics department at Stanford University, supporting student-athletes in intercollegiate sports and promoting physical education, recreation, and wellness initiatives with a focus on excellence and scholar-athleticism |
352 |
| 10 |
Stanford University Graduate School of Educationed.stanford.edu
A leader in education innovation, shaping teaching practices through interdisciplinary scholarship, cutting-edge research, and partnerships with educators worldwide |
343 |
| 11 |
Lelandjoinleland.com
A marketplace connecting ambitious individuals with hundreds of coaches for personalized mentorship, guidance, classes, and community to achieve career and educational goals |
333 |
| 12 |
Lincoln County Public Schoolslincoln.kyschools.us
Providing high-quality education and enriching opportunities to empower students to become college, career, and citizenship ready |
326 |
| 13 |
Me, Myself, & Youmemyselfandyougame.com
Striving to enhance social interactions, the company offers a board game designed for neurodiverse young adults to share facts, engage in challenges, and build connections |
265 |
| 14 |
Stanford Institute for Human-Centered Artificial Intelligence (HAI)hai.stanford.edu
A multidisciplinary hub focused on developing human-centered AI technologies, promoting collaboration, and enhancing human productivity and quality of life |
240 |
| 15 |
Code in Place
A group of educators created a global community offering open-access introductory computer science education during the Covid-19 pandemic |
186 |
| 16 |
Stanford Alumni Associationalumni.stanford.edu
The company provides programs and services for Stanford alumni worldwide, offering opportunities for engagement and connection throughout different stages of life |
184 |
| 17 |
Stanford University Department of Computer Sciencecs.stanford.edu
A leading computer science department focused on groundbreaking research, top-tier education, diverse community, and impactful contributions to technology industry |
182 |
| 18 |
First Southern National Bankfsnb.net
Financial institution with multiple Kentucky branches focused on exceptional customer service, quick local decisions, offering various banking products and services |
177 |
| 19 |
Stanford Mussallem Center for Biodesignbiodesign.stanford.edu
Dedicated to advancing health outcomes and equity through innovation education, translation, and policy, reinventing healthcare with technology for a healthier world |
174 |
| 20 |
DecoArt, LLCdecoart.com
Since 1985, this company has been inspiring creativity with a wide range of over 3,000 products for decorative painters and crafters in 75 countries |
174 |
| 21 |
Stanford Cancer Institutecancer.stanford.edu
Advancing cancer understanding and treatment through collaboration between physicians and scientists at a renowned medical institute |
164 |
| 22 |
Stanford Continuing Studiescontinuingstudies.stanford.edu
Offering adult students access to Stanford University's educational resources through on-campus and online courses to promote intellectual exploration and lifelong learning opportunities |
161 |
| 23 |
Extremeextreme.stanford.edu
The company offers a course at Stanford University focused on designing affordable solutions for people in need, with real-world implementation and impact |
153 |
| 24 |
Stanford GSB Impact Fundgsbimpactfund.stanford.edu
An evergreen fund investing in early-stage for-profit ventures for financial and social/environmental returns |
78 |
| 25 |
Sarafan ChEM-H | Stanford Universitychemh.stanford.edu
Innovative hub focused on improving human health through diverse disciplines and people in life, physical, and clinical sciences |
51 |
| 26 |
Stanford Angels & Entrepreneurs of Southern Californiastanfordaandeofsocal.com
A group of Stanford alumni providing investment, education, and mentorship opportunities to enrich the startup ecosystem in Southern California |
16 |
| 27 |
softudiosoftudios.com
A digital transformation company offering a wide range of services including cloud computing, e-commerce websites, and custom CMS development with a focus on innovation and affordability |
4 |
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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 Oct 24, 2026.
The same list elsewhere in United States
- The largest companies in the United States 91,669
- The largest companies in California 12,813
- The largest companies in New York State 10,485
- The largest companies in Texas 8,086
- The largest companies in Florida 4,945
- The largest companies in Illinois 4,175
- The largest companies in Pennsylvania 3,110
- The largest companies in Massachusetts 3,093
- The largest companies in Georgia 2,632
- The largest companies in Ohio 2,618
- The largest companies in New Jersey 2,569
- The largest companies in Virginia 2,503
- The largest companies in Michigan 2,346
- The largest companies in North Carolina 2,174
- The largest companies in Alabama 1,806
- The largest companies in Washington State 1,785
- The largest companies in Colorado 1,774
- The largest companies in Minnesota 1,700
- The largest companies in Maryland 1,527
- The largest companies in Wisconsin 1,482
- The largest companies in New York 6,920
- The largest companies in San Francisco 2,030
- The largest companies in Houston 1,791
- The largest companies in Chicago 1,668