192,432+ foundations indexed

Grant Funder Directory

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

4,516 results Wisconsin
Funder Assets
Oostburg Community Educational$111K
Open Sky Education Inc$16.4M
Open Source Seed Initiative Inc
Operational K9 Medical Team of$33K
Optimist Club Foundation of Fond du Lac
ORC Sheltered Friends Foundation$19.5M
Order of St Camillus Foundation Inc$17.9M
Oregon Anesthesiology & Research Society$4.4M
Oregon Rotary Foundation Inc
Organic Language Project Inc
Organizing Empowerment Fund Inc$2.4M
Organizing Empowerment Project Inc$5.5M
Orland Park Historical Soc$149K
Orthros Foundation Inc$21K
Orville & Evalyn Isaac Charitable$524K
Orville & Laurene Watts Scholarship Fund$1.0M
Osborne & Scekic Family Foundation$1.1M
Oscar & Augusta Schlegel Fdn
Osceola Community Health Foundation Inc$923K
Osceola Historical Society
Oshkosh Area Community Foundation$200.8M
Oshkosh Area United Way Inc$4.0M
Oshkosh Basketball Club Inc$2K
Oshkosh Chamber of Commerce Foundation$338K
Oshkosh Comm Ymca Unrestricted
Oshkosh Corporation Foundation Inc
Oshkosh Mid Morning Kiwanis Foundation Inc$111K
Oshkosh Public Museum Auxiliary Inc$46K
Osiecki Family Foundation Inc$818K
Oster Fbo St Boniface Cem
Oster for Columbus High Sch
Ostlin Education Foundation Trust
Ottenstein Family Foundation Inc$1.3M
Otto and Carol Gebhardt Foundation$572K
Otto Weisse Tr-sheb Falls
Ottumwa Regional Legacy Foundation Endowment$2.8M
Otzen Family Foundation Incorporated
Our Amazing Grace's Light Shines on$7K
Our Father's Charitable Foundation Inc$143K
Our Home Christian Ministries Inc$1.0M

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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.

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