This list compiles foundations in California, primarily focusing on non-profit organizations, education administration programs, and cultural institutions. Most are mid-sized to large organizations. Noteworthy examples include The Asia Foundation, dedicated to improving lives in Asia, and Getty, an international cultural institution supporting visual arts. The KIPP Foundation operates a network of public charter schools, while The Linux Foundation accelerates open technology development.
A significant concentration of these foundations is located in the San Francisco Bay Area, particularly San Francisco, Sunnyvale, and Los Altos. Many of the listed foundations were established in the late 20th and early 21st centuries, indicating a period of growth in philanthropic and educational initiatives.
| # | Company | Employees | |||
|---|---|---|---|---|---|
| 1 |
The Asia Foundationasiafoundation.org
A nonprofit organization focused on improving lives in Asia through initiatives related to governance, women empowerment, economic opportunity, environmental resilience, and international cooperation |
1,153 | |||
| 2 |
KIPP Foundationkipp.org
Network of 279 public charter schools serving over 210,000 students and alumni with more than 16,000 educators. |
1,069 | |||
| 3 | 1,057 | ||||
| 4 |
Yohannayohanna.org
The company offers a platform for recruiters and job seekers to connect, with job listings and collaboration opportunities available |
994 | |||
| 5 |
The Linux Foundationlinuxfoundation.org
Organization for developers and companies to build ecosystems that accelerate open technology development and commercial adoption. |
987 | |||
| 6 |
PUSD Foundationpusdfoundation.com
Providing funding, resources, and support for educational programs and activities to enhance the student experience in the District |
818 | |||
| 7 |
Tzu Chi USAtzuchi.us
An international volunteer-based NGO providing humanitarian aid, disaster relief, medical assistance, education, and promoting humanistic values and community volunteerism |
805 | |||
| 8 |
Wadhwani Foundationwadhwanifoundation.org
A global non-profit founded in 2001 focused on accelerating job growth in emerging economies and enabling individuals to earn a sustainable income |
752 | |||
| 9 |
SAG-AFTRA Foundationsagaftra.foundation
A national non-profit organization providing assistance, educational programming, and children's literacy initiatives to SAG-AFTRA professionals and the public |
647 | |||
| 10 |
Foundation for California Community Collegesfoundationccc.org
The organization supports California Community Colleges by reducing barriers to education, promoting student success, workforce development, equity, and community impact |
638 | |||
| 11 |
Cloud Native Computing Foundation (CNCF)cncf.io
Facilitating cloud native computing by hosting key software components, optimizing resource utilization, and fostering collaboration within the industry |
599 | |||
| 12 |
Chan Zuckerberg Initiativechanzuckerberg.com
A mission-driven organization collaborating with communities to address societal challenges, prioritize equity, and create a more inclusive and healthy future for all |
514 | |||
| 13 |
Gold Housegoldhouse.org
Gold House empowers and elevates Asian Pacific creators and companies through innovative programs and platforms, investing in, uniting, and promoting cultural change |
514 | |||
| 14 |
Shooting Stars Foundationshooting-stars-foundation.org
The organization raises funds through educational programs to sponsor college scholarships for students in developing countries and supports schools in low-income US neighborhoods |
471 | |||
| 15 |
PDS Health Foundationpdsfoundation.org
The company's mission is to enhance overall health by focusing on oral health, providing services locally, nationally, and internationally |
439 | |||
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. | |||||
| 16 |
California Conservation Corps Foundationcccfoundation.net
A non-profit organization supporting the educational and career development of young Californians through grants, work experience, and on-the-job training initiatives |
421 | |||
| 17 |
Mobius by Gaianmobiusdtaas.ai
A SaaS factory empowering scalable digital transformation with cutting-edge tools, low-code solutions, and XaaS phygital innovation to drive operational efficiency and customer experience enhancements |
315 | |||
| 18 | 309 | ||||
| 19 |
Stellar Development Foundationstellar.org
Building an open source financial platform in San Francisco, allowing easy and affordable money transfers and savings for everyone |
285 | |||
| 20 |
Impact Waterimpactwater.foundation
A social business providing water purification systems and maintenance to schools and healthcare centers in Africa to ensure safe drinking water access |
272 | |||
| 21 |
The David and Lucile Packard Foundationpackard.org
A family foundation driven by the values of its founders, focused on creating long-term solutions for just societies and a healthy environment |
220 | |||
| 22 |
Hoag Hospital Foundationhoaghospitalfoundation.org
A philanthropic partner supporting a hospital's mission through meaningful partnerships and advancing its success in the industry |
205 | |||
| 23 |
Organic Farming Research Foundationofrf.org
A non-profit organization advancing organic agriculture through research, education, and policy advocacy to support farmers and promote sustainable practices |
199 | |||
| 24 |
La Libertadlalibertadcr.org
The Parque La Libertad is a social and cultural development project aiming to improve quality of life through training and recreation opportunities |
183 | |||
| 25 |
huMannity Medtechumannitymedtec.org
Non-profit organization pioneering life-enhancing medical technologies for undermet healthcare needs, focusing on long-term, high-risk challenges with talented staff |
144 | |||
| 26 |
Krishnamurti Foundation of Americakfa.org
This organization preserves and shares the teachings of J Krishnamurti to promote human potential through various outreach programs and educational initiatives globally |
21 | |||
| 27 |
Premji Invest - USpremjiinvest.com
A privately held investment firm supporting the Azim Premji Foundation through direct investments in technology, consumer, financials, and healthcare sectors |
15 | |||
| 28 |
Good Foodgoodfoodfdn.org
Celebrating, connecting, and supporting passionate individuals in the food system who prioritize tasty, authentic, and responsible food to reform American food culture |
8 | |||
| 29 |
Chantiers & Territoires Solidaireschantiers-et-territoires-solidaires.fr
Funds public interest projects near Grand Paris construction sites, focusing on employment and social connection to create lasting local partnerships. |
2 | |||
| 30 |
Eco-Aviation Foundation Internationaleco-aviation.org
The company focuses on promoting eco-friendly and serene environments while emphasizing the importance of sustainability in today's world |
2 | |||
Turn this list into pipeline
Tamtam finds the decision-makers at every company on a list like this one, with verified emails, phone numbers and the buying signals that tell you when to reach out.
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 California
- The largest companies in California 15,264
- Multinational companies in California 2,591
- SaaS companies in California 1,854
- Software Development companies in California 1,649
- AI companies in California 1,296
- Companies with in-house R&D in California 1,275
- Manufacturers in California 1,066
- Hardware manufacturers in California 985
- IT Services and IT Consulting companies in California 968
- Education providers in California 950
- Subscription businesses in California 939
- Venture capital and private equity firms in California 917
- Professional services firms in California 880
- Companies with a mobile app in California 827
- Retail chains in California 803
- IT services companies in California 796
- Venture Capital and Private Equity Principals companies in California 731
- Financial services firms in California 711
- Financial Services companies in California 642
- Healthcare providers in California 569
- AI-native companies in California 561
- Hospitals and Health Care companies in California 555
- Consulting firms in California 551
- Public sector organisations in California 535