| Eleutherian Mills-Hagley Foundation Inc | 501(c)(3) | 1953 | $13.8 million | $206.6 million | 2024-12 |
| Delaware Art Museum | 501(c)(3) | 1935 | $7.5 million | $57.2 million | 2025-12 |
| Grand Opera House Inc | 501(c)(3) | 1972 | $7.5 million | $16.1 million | 2025-07 |
| Local Independent Online News Publishers Inc | 501(c)(3) | 2019 | $4.6 million | $8.1 million | 2025-12 |
| Christina Cultural Arts Center Inc | 501(c)(3) | 1946 | $4.1 million | $8.4 million | 2024-12 |
| Historical Society of Delaware | 501(c)(3) | 1957 | $3.9 million | $27.7 million | 2025-06 |
| Association of Boards in Theological Education in Trust | 501(c)(3) | 1995 | $3.2 million | $20.9 million | 2025-12 |
| Delaware Theatre Company | 501(c)(3) | 1979 | $3.1 million | $3 million | 2025-06 |
| The Music School of Delaware Inc | 501(c)(3) | 1941 | $3 million | $15.5 million | 2025-06 |
| Psychoanalytic Electronic Publishing Inc Joint Venture | 501(c)(3) | 1999 | $2.4 million | $2.3 million | 2024-12 |
| Historic Red Clay Valley Inc | 501(c)(3) | 1962 | $2.1 million | $13.6 million | 2024-12 |
| The Delaware Childrens Museum Inc | 501(c)(3) | 1988 | $1.8 million | $1.7 million | 2025-09 |
| Collegiate Network Inc | 501(c)(3) | 1995 | $1.7 million | $1.1 million | 2025-06 |
| Delaware Symphony Association | 501(c)(3) | 1948 | $1.7 million | $2.1 million | 2025-06 |
| New Candlelight Productions Inc | 501(c)(3) | 2006 | $1.6 million | $1.7 million | 2024-12 |
| Spotlight Delaware Inc | 501(c)(3) | 2022 | $1.5 million | $1.3 million | 2024-12 |
| Opera Delaware Inc | 501(c)(3) | 1955 | $1.5 million | $2.6 million | 2025-08 |
| Delaware Center for Contemporary Arts | 501(c)(3) | 1979 | $1.3 million | $3.6 million | 2025-07 |
| First State Ballet Theatre Inc | 501(c)(3) | 2000 | $998,554 | $1 million | 2024-12 |
| Intermarium Foundation | 501(c)(3) | 2023 | $852,312 | $436,156 | 2024-12 |
| Delaware Academy of Vocal Arts | 501(c)(3) | 2023 | $738,333 | $74,977 | 2025-07 |
| The Choir School of Delaware Inc | 501(c)(3) | 2007 | $655,438 | $310,163 | 2025-07 |
| Wilmington Childrens Chorus Inc | 501(c)(3) | 2020 | $584,953 | $495,459 | 2025-06 |
| Lumen Prize Foundation Inc | 501(c)(3) | 2026 | $541,094 | $102,081 | 2025-12 |
| African American Heritage Center of Delaware Inc | 501(c)(3) | 2023 | $512,004 | $1.2 million | 2024-12 |
| Delaware Arts Alliance Inc | 501(c)(3) | 2013 | $484,232 | $448,800 | 2025-12 |
| 4 Youth Productions Inc | 501(c)(3) | 2015 | $416,716 | $84,302 | 2025-06 |
| Delaware Shakespeare Festival Inc | 501(c)(3) | 2004 | $387,976 | $75,587 | 2025-12 |
| Theanalysis News Inc | 501(c)(3) | 2021 | $358,034 | $1.3 million | 2025-12 |
| Wilmington Ballet Academy of the Dance Inc | 501(c)(3) | 2009 | $339,540 | $648,327 | 2024-08 |
| Nick Loeb Foundation Inc | 501(c)(3) | 2023 | $294,708 | $94,191 | 2024-12 |
| Pieces of A Dream Inc | 501(c)(3) | 2007 | $291,397 | $224,240 | 2025-12 |
| Wilmington Drama League Inc | 501(c)(3) | 1943 | $289,843 | $2.4 million | 2025-06 |
| Theatre N | 501(c)(3) | 2017 | $270,523 | $26,030 | 2024-12 |
| Delaware Childrens Theatre LTD | 501(c)(3) | 1979 | $151,480 | $313,572 | 2025-06 |
| 1103 Market Street Foundation | 501(c)(3) | 2006 | $142,815 | $438,789 | 2025-12 |
| Greenbank Mill Associates Inc | 501(c)(3) | 1988 | $135,500 | $1.6 million | 2025-12 |
| August Quarterly Festival Committee Inc | 501(c)(3) | 2015 | $121,414 | $32,631 | 2025-12 |
| Market Street Music Corporation | 501(c)(3) | 2009 | $117,151 | $104,116 | 2025-08 |
| National Society of the Colonial Dames of Amer in the State of de | 501(c)(3) | 1976 | $111,916 | $1.6 million | 2026-04 |
| Delaware College of Art and Design | 501(c)(3) | 1997 | $107,952 | $14,991 | 2025-06 |
| Delart Cinema | 501(c)(3) | 2024 | $99,728 | $13,706 | 2024-12 |
| Delaware Performing Arts Center Inc | 501(c)(3) | 1986 | $92,109 | $4 million | 2025-06 |
| Friends of First State Inc | 501(c)(3) | 2022 | $88,157 | $117,928 | 2026-06 |
| City Theater Company | 501(c)(3) | 1994 | $85,201 | $15,284 | 2025-08 |
| Uniting Brown Ballers Foundation | 501(c)(3) | 2023 | $84,598 | $11,652 | 2025-12 |
| Friends of Historic Riverview Cemetery Inc | 501(c)(3) | 2009 | $79,526 | $469,360 | 2025-12 |
| Light Up the Queen Foundation | 501(c)(3) | 2010 | $73,183 | $163,181 | 2025-06 |
| Newark Union Corporation | 501(c)(3) | 2021 | $68,370 | $794,436 | 2025-12 |
| Jester Artspace | 501(c)(3) | 2015 | $53,822 | $32,226 | 2025-06 |
| Dickinson Theatre Organ Soc Inc | 501(c)(3) | 1982 | $51,163 | $530,544 | 2025-06 |
| Society of Colonial Wars of Delaware | 501(c)(3) | 2021 | $43,155 | $212,078 | 2024-12 |
| The Delaware Sports Museum and Hall of Fame Association Inc | 501(c)(3) | 1978 | $40,879 | $73,089 | 2024-12 |
| Owls Nest Fund for Historic Designated Facilities | 501(c)(3) | 2012 | $31,138 | $70,951 | 2025-12 |
| The Marketing of You Inc | 501(c)(3) | 2015 | $30,159 | $8,315 | 2025-12 |
| Delaware Military Heritage and Education Foundation Inc | 501(c)(3) | 2005 | $25,774 | $390,734 | 2024-12 |
| Arts Consortium of Delaware Inc | 501(c)(3) | 1993 | $20,170 | $28,684 | 2025-06 |
| 150 Madison Lane Preservation Fund | 501(c)(3) | 2017 | $17,759 | $697,635 | 2025-12 |
| Studio Group Incorporated | 501(c)(3) | 1963 | $16,105 | $340,858 | 2025-04 |
| In Wilmington Marketing Group Inc | 501(c)(3) | 2016 | $12,000 | $7,248 | 2026-06 |
| Balik Balik Edu Arts Life Foundation | 501(c)(3) | 2025 | $800 | $1 | 2025-12 |
| International Friends Verderame Inc | 501(c)(3) | 2019 | $250 | $10,170 | 2025-12 |
| Academic Authors Inc | 501(c)(3) | 2015 | $0 | $0 | 2025-12 |
| Agilent Community Outreach | 501(c)(3) | 2018 | $0 | $0 | 2025-12 |
| Akiya Collective | 501(c)(3) | 2025 | $0 | $0 | 2025-12 |
| American Friends of the City of Paris Museum of Modern Art Inc | 501(c)(3) | 2015 | | $11,658 | 2024-12 |
| Arab Reporters for Investigative Journalism Inc | 501(c)(3) | 2025 | | $1 | 2025-12 |
| Archeological Society of the Northern Chesapeake Inc | 501(c)(3) | 2013 | $0 | $0 | 2025-12 |
| Art Like Me Inc | 501(c)(3) | 2024 | $0 | $0 | 2024-12 |
| Art for Life- Delaware | 501(c)(3) | 2016 | $0 | $0 | 2024-12 |
| Artistic Cultural Exchange | 501(c)(3) | 2024 | | | |
| Aspects of Art & Development Incorporated | 501(c)(3) | 2025 | | | |
| Asvins Foundation | 501(c)(3) | 2020 | | $1.1 million | 2025-12 |
| Barrel of Makers Inc | 501(c)(3) | 2014 | $0 | $0 | 2025-12 |
| Blackfeather Academy Inc | 501(c)(3) | 2025 | | | |
| Blondie Mansion Inc | 501(c)(3) | 2025 | | | |
| Blue Rock Chorus Club | 501(c)(3) | 2026 | $0 | $0 | 2025-12 |
| Brandywine High School Band Boosters Association | 501(c)(3) | 2024 | $0 | $0 | 2024-06 |
| Brandywine Hundred Historical Society Inc | 501(c)(3) | 2023 | $0 | $0 | 2025-12 |
| Brandywine Partners W3R Inc | 501(c)(3) | 2023 | $0 | $0 | 2025-12 |
| Canid Literary & Arts Foundation | 501(c)(3) | 2026 | | | |
| Carnaval Santa Maria Atexcac de | 501(c)(3) | 2024 | | | |
| Chichester Alumni Community Band Association | 501(c)(3) | 2017 | $0 | $0 | 2024-12 |
| Club de Danza Quetzalli Inc | 501(c)(3) | 2026 | | | |
| Community Refugee Relief Initiative Inc | 501(c)(3) | 2019 | $0 | $0 | 2025-12 |
| Connect66 Foundation | 501(c)(3) | 2025 | | | |
| Conrad Music Boosters | 501(c)(3) | 2025 | $0 | $0 | 2025-12 |
| Cupcakes for Cancer Foundation | 501(c)(3) | 2022 | $0 | $0 | 2025-12 |
| DVS 86 Foundation Inc | 501(c)(3) | 2025 | $0 | $0 | 2025-12 |
| Deconstructing Design Inc | 501(c)(3) | 2025 | | | |
| Delaware Blues Society | 501(c)(3) | 2019 | $0 | $0 | 2024-12 |
| Delaware Dance Education Organization | 501(c)(3) | 2019 | $0 | $0 | 2025-12 |
| Delaware Film Institute | 501(c)(3) | 2026 | $0 | $0 | 2025-12 |
| Delaware Italian American Education Association Inc | 501(c)(3) | 2014 | $0 | $0 | 2025-12 |
| Delaware Italian American Foundation Inc | 501(c)(3) | 2019 | $0 | $0 | 2025-12 |
| Delaware Music & Arts Collective LTD | 501(c)(3) | 2023 | | | |
| Delaware Music Initiative Inc | 501(c)(3) | 2025 | | | |
| Delaware Music Network | 501(c)(3) | 2025 | $0 | $0 | 2024-12 |
| Delaware Sensory Museum Inc | 501(c)(3) | 2025 | $0 | $0 | 2025-12 |
| Delaware Swedish Colonial Society | 501(c)(3) | 2023 | $0 | $0 | 2025-12 |
| Delaware Youth Pride Inc | 501(c)(3) | 2024 | $0 | $0 | 2025-12 |
| Delma - Delaware Malayalee Association Inc | 501(c)(3) | 2024 | $0 | $0 | 2024-12 |
| Eaves Family Foundation | 501(c)(3) | 2020 | | $3.4 million | 2025-12 |
| Esta - Eastern States Theater Association Inc | 501(c)(3) | 2015 | $0 | $0 | 2025-12 |
| Experience I Always Wanted Inc | 501(c)(3) | 2025 | $0 | $0 | 2025-12 |
| Faces of Impact Foundation | 501(c)(3) | 2026 | $0 | $0 | 2025-12 |
| First State Crafters Inc | 501(c)(3) | 2024 | $0 | $0 | 2025-12 |
| Five Peaks Foundation for Arts and Culture Inc | 501(c)(3) | 2025 | $0 | $0 | 2026-03 |
| Foundation for Art & Design Inc | 501(c)(3) | 2021 | $0 | $0 | 2023-12 |
| Francesco and Mary Giambelli Foundation Inc | 501(c)(3) | 2014 | | $26.4 million | 2024-12 |
| Friends of Delawares Gambrinus Statue Inc | 501(c)(3) | 2017 | $0 | $0 | 2025-12 |
| Friends of Global Voices Inc | 501(c)(3) | 2010 | $0 | $0 | 2025-12 |
| Friends of Mt Olive Burial Grounds Foundation Inc | 501(c)(3) | 2022 | $0 | $0 | 2025-12 |
| Friends of the Furness Railroaddistrict Inc | 501(c)(3) | 2007 | $0 | $0 | 2024-12 |
| Fusion Fashion Tech Corporation | 501(c)(3) | 2024 | | | |
| Glamorous Events By Gloria Dreams To Reality Inc | 501(c)(3) | 2025 | | | |
| Glen R Dash Charitable Foundation | 501(c)(3) | 1998 | | $1.3 million | 2025-12 |
| Go Vegan Radio | 501(c)(3) | 2014 | $0 | $0 | 2025-12 |
| Hagerty Drivers Foundation | 501(c)(3) | 2021 | | $186,183 | 2025-12 |
| Happy Hour Charities Inc | 501(c)(3) | 2025 | $0 | $0 | 2025-12 |
| Harmony Weavers Guild | 501(c)(3) | 2023 | $0 | $0 | 2025-06 |
| Historic 1904 Machine Shop | 501(c)(3) | 2026 | | | |
| Historical Society for the United States Dist CT for the Dist of de | 501(c)(3) | 1991 | $0 | $0 | 2024-12 |
| Iranti Press Foundation | 501(c)(3) | 2025 | $0 | $0 | 2025-12 |
| Irish Delaware Incorporated | 501(c)(3) | 2025 | | | |
| Is15 Foundation | 501(c)(3) | 2019 | | $151,181 | 2025-12 |
| Italian Language Project Inc | 501(c)(3) | 2025 | $0 | $0 | 2025-12 |
| Italo Americans United Inc | 501(c)(3) | 1983 | $0 | $0 | 2025-12 |
| Jamaican Delaware Association | 501(c)(3) | 2025 | $0 | $0 | 2025-12 |
| Jamaican Heritage and Reggae Museum Inc | 501(c)(3) | 2024 | $0 | $0 | 2025-12 |
| Journeyable Travel Foundation | 501(c)(3) | 2024 | $0 | $0 | 2025-12 |
| Kadist Collection Manager Inc | 501(c)(3) | 2023 | | $41.6 million | 2024-12 |
| Lazarus Foundation of America Inc | 501(c)(3) | 2025 | | | |
| Lyons Family Foundation | 501(c)(3) | 2020 | | $1.2 million | 2025-12 |
| MKM Foundation | 501(c)(3) | 1999 | | $23.2 million | 2024-12 |
| Macedonia International University Inc | 501(c)(3) | 2023 | $0 | $0 | 2025-12 |
| Mexican Cultural Traditions Foundation | 501(c)(3) | 2025 | | | |
| Music Crew Inc | 501(c)(3) | 2021 | $0 | $0 | 2025-07 |
| National Miss Juneteenth Scholarship | 501(c)(3) | 2022 | $0 | $0 | 2025-12 |
| National Society of the Daughters of the American Revolution | 501(c)(3) | 1949 | $0 | $0 | 2025-12 |
| New Sweden Centre Inc | 501(c)(3) | 1993 | $0 | $0 | 2025-12 |
| Objective Journalism Society | 501(c)(3) | 2025 | | | |
| Original Music Association of Delaware | 501(c)(3) | 2024 | $0 | $0 | 2026-06 |
| Paraffin Moon Media Corporation | 501(c)(3) | 2020 | $0 | $0 | 2025-12 |
| Peterpan Co | 501(c)(3) | 2023 | $0 | $0 | 2023-12 |
| Philadelphia Area Jugglers Associat Ion | 501(c)(3) | 2026 | | | |
| Philadelphia Legacy Media Foundation | 501(c)(3) | 2019 | $0 | $0 | 2023-12 |
| Plymale Private Foundation | 501(c)(3) | 2019 | | $1.3 million | 2025-12 |
| Preservation Delaware Inc | 501(c)(3) | 1995 | | $569,950 | 2025-06 |
| Profundo Bono Inc | 501(c)(3) | 2017 | $0 | $12,392 | 2026-06 |
| Punjabis in Delaware Inc | 501(c)(3) | 2018 | $0 | $0 | 2025-12 |
| Quaker Hill Historic Preservation Foundation | 501(c)(3) | 1994 | $0 | $0 | 2025-12 |
| Realise Inc | 501(c)(3) | 2026 | | | |
| Resolution Steel Orchestra Inc | 501(c)(3) | 2025 | $0 | $0 | 2025-12 |
| Rockwood Park Preservation Society Inc | 501(c)(3) | 2017 | $0 | $0 | 2025-12 |
| Serafin Presents Inc | 501(c)(3) | 2025 | $0 | $0 | 2025-06 |
| Serviam Media Inc | 501(c)(3) | 2002 | $0 | $0 | 2025-12 |
| Shadowlight USA Inc | 501(c)(3) | 2019 | $0 | $0 | 2025-12 |
| Shoestring Productions LTD | 501(c)(3) | 1988 | $0 | $0 | 2025-08 |
| Society for Preservation & Encourmt of Barbershop Quartet Singing Amer | 501(c)(3) | 1946 | $0 | $0 | 2025-12 |
| Sorbello Foundation | 501(c)(3) | 2026 | | | |
| Splice Music Incorporated | 501(c)(3) | 2024 | | | |
| Stage Magazine Inc | 501(c)(3) | 2012 | $0 | $0 | 2025-12 |
| Stone Map and Atlas Foundation | 501(c)(3) | 2005 | | $10 million | 2024-12 |
| Sundial Forum for Contemporary Indigenous Art | 501(c)(3) | 2004 | $0 | $0 | 2023-12 |
| Swinney Family Foundation | 501(c)(3) | 2019 | | $1.5 million | 2023-12 |
| The Episcopal Womens History Project Inc | 501(c)(3) | 2025 | | | |
| The F & I Us Foundation | 501(c)(3) | 2019 | | $10.2 million | 2025-12 |
| The Lundberg Family Founation | 501(c)(3) | 2020 | | $1.6 million | 2025-12 |
| The Mountain Spring Foundation | 501(c)(3) | 2020 | | $9.1 million | 2024-12 |
| The Queen 1789 Foundation Inc | 501(c)(3) | 2026 | | | |
| The Winkler Lowry Foundation | 501(c)(3) | 2020 | | $447,565 | 2025-12 |
| Three Circle Group Corp | 501(c)(3) | 2024 | | | |
| Tias Foundation | 501(c)(3) | 2024 | | | |
| Tinyg Limited | 501(c)(3) | 2025 | | | |
| Torrington Savings Foundation | 501(c)(3) | 2020 | | $1.2 million | 2024-12 |
| Ty Dyno Teaches Inc | 501(c)(3) | 2026 | | | |
| Unearthed Legacy Foundation | 501(c)(3) | 2026 | | | |
| Wilmington Classical Guitar Society | 501(c)(3) | 2014 | $0 | $0 | 2025-06 |
| Wilmington Concert Opera Inc | 501(c)(3) | 2018 | $0 | $0 | 2025-12 |
| Windmar Foundation | 501(c)(3) | 2014 | | $5.8 million | 2024-12 |