The foundations in New York presented here are primarily large non-profit organizations and philanthropic services. Many focus on global issues, such as the Ford Foundation, which works to disrupt inequality, and the Open Society Foundations, which promotes human rights. Others like Robin Hood address local poverty, while The Michael J. Fox Foundation for Parkinson's Research funds medical research.
A clear pattern among these foundations is their establishment across several decades of the 20th and early 21st centuries, with a concentration of founding dates in the 1980s and 1990s. The majority are headquartered in New York, reflecting the city's role as a hub for philanthropic activity.
| # | Company | Employees | |||
|---|---|---|---|---|---|
| 1 |
Ford Foundationfordfoundation.org
Works to disrupt inequality globally by grant-making, reducing poverty, strengthening democratic values, and promoting international cooperation to advance human achievement. |
987 | |||
| 2 |
Open Society Foundationsopensocietyfoundations.org
Provide grants and support to promote tolerance, transparency, human rights, and fairness in political, legal, and economic systems worldwide. |
862 | |||
| 3 |
The Posse Foundationpossefoundation.org
An organization that identifies high school students with potential, placing them in diverse teams for full-tuition scholarships at partner colleges |
783 | |||
| 4 |
Robin Hoodrobinhood.org
Organization in New York addresses poverty by funding impactful programs and schools, providing essential services to empower families in need |
715 | |||
| 5 |
Crohn's & Colitis Foundationcrohnscolitisfoundation.org
A non-profit organization dedicated to research, patient support, and education for those living with inflammatory bowel disease (IBD) |
617 | |||
| 6 |
American Foundation for Suicide Preventionafsp.org
Dedicated to saving lives and bringing hope by promoting mental health awareness, conducting research, advocacy, and providing support for those affected by suicide |
616 | |||
| 7 |
The Shubert Organizationshubert.nyc
A leading professional theatre company and Broadway theatre owner, producing and showcasing plays and musicals while providing innovative ticketing services internationally |
538 | |||
| 8 |
The Rockefeller Foundationrockefellerfoundation.org
A global foundation dedicated to promoting human well-being through solving world challenges related to health, food, energy, and jobs |
537 | |||
| 9 |
Mellon Foundationmellon.org
The organization is the largest supporter of the arts and humanities, dedicated to building just communities through grants promoting critical thinking and creativity |
533 | |||
| 10 |
Simons Foundationsimonsfoundation.org
Grant funding and support for research in mathematics, physical sciences, life sciences, autism, neuroscience, and computational science research. |
531 | |||
| 11 |
Clinton Foundationclintonfoundation.org
The Foundation works to create economic opportunity, improve public health, and inspire civic engagement through cooperation and collaboration with partners |
509 | |||
| 12 |
The Michael J. Fox Foundation for Parkinson's Researchmichaeljfox.org
A non-profit organization focused on funding research and developing therapies to find a cure for Parkinson's disease and improve treatments for patients |
479 | |||
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. | |||||
| 13 |
Bloomberg Philanthropiesbloomberg.org
Global philanthropic organization dedicated to advancing arts, education, environment, government innovation, and public health initiatives along with other charitable activities |
473 | |||
| 14 |
Guggenheim New Yorkguggenheim.org
Established in 1937, this foundation promotes understanding and appreciation of modern and contemporary art and architecture through exhibitions, education programs, research, and publications |
460 | |||
| 15 |
Jewish National Fund - USAjnf.org
A philanthropic organization dedicated to securing a strong future for Israel through projects in forestry, housing, water solutions, education, and more |
380 | |||
| 16 |
Algorand Foundationalgorand.co
Supports a scalable blockchain ecosystem with instant finality, low fees, quantum security, and developer-friendly tools for global solutions. |
113 | |||
| 17 |
Alzheimer's Drug Discovery Foundationalzdiscovery.org
A charity focused on accelerating drug discovery for Alzheimer's disease through funding research initiatives globally, supporting new treatments for patients |
76 | |||
| 18 |
United Church Fundsucfunds.org
An asset management firm serving churches and faith-based organizations, offering investment services aligned with their values for strengthening ministry |
25 | |||
| 19 |
The Pinkerton Foundationthepinkertonfoundation.org
Grantmaking organization supporting youth programs in under-resourced NYC communities, focusing on education, after-school, career readiness, and youth justice projects |
22 | |||
| 20 |
ATLAS FOUNDATION FOR AUTISM INCatlasforautism.org
Specializes in serving students with Autism, ADHD, LD and other learning differences, focusing on empowerment, communication, respect, and social integration |
21 | |||
| 21 |
The Governors Island Foundationgovisland.com
An independent nonprofit dedicated to preserving, enhancing and advocating for Governors Island as a vibrant public resource for all |
18 | |||
| 22 |
Spencer Educational Foundationspencered.org
Fostering education and professional development of risk management and insurance students through scholarships, grants, and internships since 1979. |
10 | |||
| 23 |
Samuel H. Kress Foundationkressfoundation.org
Dedicated to supporting the study, conservation, and appreciation of European art, architecture, and archaeology from antiquity to the early 19th century |
7 | |||
| 24 |
Writers Guild of America East, Foundation d/b/a Writers Guild Initiativewritersguildinitiative.org
Non-profit organization associated with Writers Guild of America, East, focusing on making storytelling accessible to all backgrounds, particularly underserved communities |
4 | |||
| 25 |
Solon E Summerfield Foundationsummerfieldfoundation.org
The foundation partners in NYC to create opportunities for youth affected by social, racial, and economic injustices for choice-filled lives |
3 | |||
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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 Nov 12, 2026.
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