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Data / Nonprofits / Delaware / Greenville

Nonprofits in Greenville, DE: 49 registered with the IRS

49 nonprofits are registered with the IRS in Greenville, DE, 43 of them 501(c)(3) charities; the 9 that report revenue took in $84.4 million. The largest by revenue: Unidel Foundation Inc ($81 million), Forgotten Cats Inc ($2.6 million), Brandywine Valley Friends of Old Time Music Inc ($314,154). Most common causes: philanthropy, voluntarism and grantmaking foundations (17), arts, culture and humanities (3), education (3).

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Every organization, largest by revenue first

OrganizationCategoryTypeSinceRevenueAssetsFiling
Unidel Foundation IncEducation501(c)(3)1940$81 million$551.7 million2025-12
Forgotten Cats IncAnimal-related501(c)(3)2004$2.6 million$4.2 million2025-12
Brandywine Valley Friends of Old Time Music IncArts, culture and humanities501(c)(3)1977$314,154$243,6422025-12
Brandywine Baroque IncArts, culture and humanities501(c)(3)1993$231,590$1,1852025-06
Wilmington Flower Market IncHealth care501(c)(3)1953$116,242$191,9542025-07
Service Corporation of Westover Hills Homeowners AssociationHousing and shelter501(c)(4)2014$112,201$43,3102026-01
American Production & Inventory Control Brandywine Valley Chapter501(c)(6)1981$78,461$129,3422025-06
Vaishnav Sangh of Delaware IncReligion-related501(c)(3)2022$31,597$12025-12
Covenant Heritage MinistriesReligion-related501(c)(3)2011$15,830$17,2422025-12
Alcyon Foundation501(c)(3)1994$7.7 million2025-12
American College International Foundation IncPhilanthropy, voluntarism and grantmaking foundations501(c)(3)2001$24,4182025-12
American Society of Professional Estimators Delaware ChapterMutual and membership benefit501(c)(6)2014$0$02026-07
Arguild Foundation501(c)(3)1960$1.7 million2025-12
Arthur Family FoundationPhilanthropy, voluntarism and grantmaking foundations501(c)(3)1997$1 million2024-12
Bacchieri FoundationPhilanthropy, voluntarism and grantmaking foundations501(c)(3)2001$3.7 million2025-12
Barbara and William Rosenthal Family FoundationPhilanthropy, voluntarism and grantmaking foundations501(c)(3)1998$22.2 million2025-06
Barclays Charitable Trust 01202017501(c)(92)2021$7.5 million2025-12
Bear Gulch Foundation501(c)(3)1994$12.7 million2025-12
Chipman Coker FoundationPhilanthropy, voluntarism and grantmaking foundations501(c)(3)1998$5.8 million2025-12
Constance Morris Foundation 128591501(c)(3)1958$2 million2025-05
Delaware Astronomical Society501(c)(3)1973$0$02026-08
Delaware Curative Workshop IncHealth care501(c)(3)1946$3.5 million2024-12
Delaware Ornithological Society501(c)(3)1967$0$02025-06
Donald and Martha Dewees FoundationPhilanthropy, voluntarism and grantmaking foundations501(c)(3)2009$22.7 million2025-12
Edgar A Thronson Foundation501(c)(3)1993$3 million2024-12
Eppley Foundation Trust Uw Me Apt 7 6061 38 00 Fbo Research501(c)(92)1973$3.4 million2024-12
Forty-One FoundationPhilanthropy, voluntarism and grantmaking foundations501(c)(3)2015$317,8602025-12
Franke Schoonover Fund IncArts, culture and humanities501(c)(3)2000$0$02025-06
Fullwood Foundation IncPhilanthropy, voluntarism and grantmaking foundations501(c)(3)2000$3.8 million2025-06
George Washington Society501(c)(3)1989$0$02025-12
Jade Tree Foundation501(c)(3)1994$3 million2025-12
John and Alice Forester Charitable Trust501(c)(3)1993$13.5 million2025-06
Katherine S Stibbe Charitable TrustPhilanthropy, voluntarism and grantmaking foundations501(c)(3)1997$17.4 million2024-12
Kookaburra FoundationPhilanthropy, voluntarism and grantmaking foundations501(c)(3)2001$3.2 million2025-12
Melvin J and Claire M Levine Foundation U Art 10 of CML Rev TrustPhilanthropy, voluntarism and grantmaking foundations501(c)(3)2025$12025-12
Nancy Woodson Spire Foundation Inc501(c)(3)1980$28.4 million2025-06
Nielsen Family FoundationPhilanthropy, voluntarism and grantmaking foundations501(c)(3)1997$1.6 million2025-08
Nor Easter Foundation501(c)(3)1993$6.8 million2025-12
Nyssa FoundationPhilanthropy, voluntarism and grantmaking foundations501(c)(3)2022$1.6 million2025-12
Plectra Music IncPhilanthropy, voluntarism and grantmaking foundations501(c)(3)2002$3,0932025-12
Read Every Day IncEducation501(c)(3)2025$0$02025-12
Rock Oak FoundationPhilanthropy, voluntarism and grantmaking foundations501(c)(3)2021$2.8 million2025-12
Shrieking Meadow Foundation501(c)(3)1994$3.7 million2025-12
The Graham Foundation501(c)(3)1986$752,6572025-12
The Orange Tree Foundation McGuire Woods Battle & Boothe501(c)(3)1988$1.4 million2025-06
Thomas Edgar Dupuis Jr Michele Ann Dupuis and Thomas Edgar DupuisPhilanthropy, voluntarism and grantmaking foundations501(c)(3)2020$9.9 million2024-12
Tomorrows Leaders of Delaware FoundationEducation501(c)(3)2023$13,2522023-12
Travis FoundationPhilanthropy, voluntarism and grantmaking foundations501(c)(3)2011$16.8 million2024-12
Univ of Michigan Law School Trust501(c)(92)1982$42.1 million2024-12

By cause in Greenville, DE

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.