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Data / Nonprofits / Iowa / Mason City / Philanthropy, voluntarism and grantmaking foundations

Philanthropy, voluntarism and grantmaking foundations nonprofits in Mason City, IA: 15 registered with the IRS

15 philanthropy, voluntarism and grantmaking foundations nonprofits are registered with the IRS in Mason City, IA, 15 of them 501(c)(3) charities; the 3 that report revenue took in $1.6 million. The largest by revenue: Education Foundation of the Mason City Public Schools ($785,100), United Way of North Central Iowa ($746,698), Donald J Beck Trust ($100,046).

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Every organization, largest by revenue first

OrganizationTypeSinceRevenueAssetsFiling
Education Foundation of the Mason City Public Schools501(c)(3)1996$785,100$3.4 million2025-06
United Way of North Central Iowa501(c)(3)1942$746,698$1.3 million2025-06
Donald J Beck Trust501(c)(3)2018$100,046$2 million2025-12
Beth E Reinhart Charitable Trust501(c)(3)2015$4.1 million2025-06
CFT Foundation501(c)(3)2001$6.8 million2025-12
Community Education Foundation501(c)(3)2015$100,7422025-12
David & Phyllis Murphy Charitable Foundation501(c)(3)1998$10.1 million2025-06
First Citizens Charitable Foundation Inc501(c)(3)1996$1.2 million2025-12
Koester Non-Profit Services501(c)(3)2019$0$02025-12
Laverna M Smedley Charitable Foundation501(c)(3)2022$1.5 million2025-12
Simon Says Shoes501(c)(3)2025$0$02025-12
Stratford Foundation Trust501(c)(3)1996$293,1542025-12
Stuart D Nevermann Charitable Trust501(c)(3)2022$648,2672025-12
Thomas S Kemp Foundation Inc501(c)(3)1997$4.7 million2025-12
Tomson Fam Foundation Trust501(c)(3)2014$12.5 million2025-12

Other causes in Mason City, IA

Every nonprofit in Mason City, IA · Philanthropy, voluntarism and grantmaking foundations nonprofits across the state · Nonprofits in every city of the state

Read from the IRS Exempt Organizations Business Master File, updated by the IRS on October 24, 2026 and rebuilt here every morning. Revenue and assets are from each organization's latest filing as the IRS lists it; the IRS record is the official one. Organizations only: no people are named on these pages.