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Data / Nonprofits / Illinois / Oak Brook / Human services

Human services nonprofits in Oak Brook, IL: 18 registered with the IRS

18 human services nonprofits are registered with the IRS in Oak Brook, IL, 17 of them 501(c)(3) charities; the 9 that report revenue took in $8.2 million. The largest by revenue: Muhsen ($3.3 million), Greencastle of Mulford Inc ($2.3 million), Liberty Commons NFP ($1.6 million).

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Every organization, largest by revenue first

OrganizationTypeSinceRevenueAssetsFiling
Muhsen501(c)(3)2015$3.3 million$5.3 million2024-12
Greencastle of Mulford Inc501(c)(3)1980$2.3 million$2.2 million2024-12
Liberty Commons NFP501(c)(2)2019$1.6 million$7 million2025-03
Embrace Living Charities501(c)(3)1941$404,569$6.2 million2025-12
Womens Treatment Center501(c)(3)1990$278,314$2.2 million2024-06
Heart of Portillos Foundation Inc501(c)(3)2020$214,269$888,5912024-12
Malankara Orthodox Christian Society of Chicago501(c)(3)2024$95,091$34,6842025-12
Golden Life Foundation501(c)(3)2019$39,741$02025-07
Illinois Registry of Interpreters for the Deaf501(c)(3)2025$5,038$38,6062024-06
Aigas University501(c)(3)2022$0$02025-12
Beeee NFP501(c)(3)2020$0$02025-12
Eloisa Blanco International Foundation Inc501(c)(3)2018$0$13,4762024-12
Frieden Foundation501(c)(3)2024$0$02025-05
Illinois Childrens Healthcare Foundation501(c)(3)2003$151 million2024-12
Michael A & Frances Halikias Charitable Trust501(c)(3)1998$1.6 million2025-06
Muslim Womens Alliance501(c)(3)2010$0$02025-12
Noor Talents Foundation Inc501(c)(3)2022$0$02025-12
Trinity Advocacy Guardians NFP501(c)(3)2023$0$02025-12

Other causes in Oak Brook, IL

Every nonprofit in Oak Brook, IL · Human services 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.