192,432+ foundations indexed

Grant Funder Directory

Search 192,432+ US foundations and grant funders — financial profiles, grant histories, key people. Free.

44,999 results Philanthropy, Voluntarism & Grantmaking
Funder Assets
The Side By Side Foundation$942K
The Siders Foundation
The Sidhu Family Foundation$7.6M
The Sidman Family Foundation Inc$7.0M
The Sidney & Kathryn Taurel Foundation Inc$33K
The Sidney and Deanna Wolk Family$35.3M
The Sidney and Jacqueline Wolgin$5.7M
The Sidney E Frank Foundation$324.8M
The Sidney Ferenc Family Foundation$265K
The Sidney Fleck Charitable Foundation Inc$395K
The Sidney Milton and Leoma$11.8M
The Sidney Schonfeld Foundation$29K
The Siebold Foundation$14K
The Sievers Family Foundation
The Sievert Family Foundation$1.6M
The Sifford & Wilson Family Foundation$687K
The Sigel Family Foundation$1.1M
The Sigmund Cohn Family Foundation Inc$1.0M
The Signatry Charitable Trust$816.2M
The Silas West Foundation$176K
The Silber Foundation
The Silberstein Family$153K
The Silberstein Family$165K
The Silseth Foundation$5.9M
The Silva Bridge Foundation$5K
The Silvene Bracalente Memorial
The Silver Circle Family Foundation$30K
The Silver Family Foundation Inc$13K
The Silver Foundation
The Silver Lining Foundation
The Silver Lining Foundation Inc$6K
The Silver Shire Foundation
The Silver Tie Fund Inc$1.3M
The Silverbird 29 Fund$16.7M
The Silverman Family Charitable$1.8M
The Silverstein Foundation for$241K
The Silvestri Family Foundation$3.6M
The SimBio Foundation$403K
The Simi and Leon Charitable Foundation$7.4M
The Simmons Foundation$2.5M

Want AI-powered funder matching?

Tell us about your organization and Grantable's AI will score every funder on fit — focus area, geography, funding range, and eligibility. Free, instant, no signup.

About the Funder Directory

Grantable's Funder Directory provides detailed profiles for over 192,432 US foundations and grant-making organizations. Each profile includes financial data, grant histories, key people, and focus areas — all sourced from IRS Form 990-PF filings and enriched with Candid classification data.

Whether you're a nonprofit researching potential funders, a grant writer identifying new prospects, or a researcher analyzing philanthropic trends, our directory provides the information you need to make informed decisions about your fundraising strategy.

Foundations by Cause