Nonprofits in Wilmington, Delaware
Nonprofits in Wilmington, Delaware. Browse 5,363 public nonprofit profiles. Review organization identities, available filing years, and their complete CharitySense profiles.
Location refers to headquarters recorded in public sources, not an organization’s service area. Classification describes its reported category and does not assess its effectiveness.
Nonprofit profiles
- Olsson Family Foundation
EIN 814600250 · Headquarters: Wilmington, DE, USA · Philanthropy, Voluntarism & Grantmaking Foundations · Latest available filing year: 2025 · Primary form: IRS Form 990-PF
- Oluv C Joynor Foundation Inc
EIN 453987964 · Headquarters: WILMINGTON, DE, USA · Human Services · Latest available filing year: 2024 · Primary form: IRS Form 990-PF
- Omega Psi Phi Fraternity
EIN 516020923 · Headquarters: Wilmington, DE, US · Unknown & Unclassified · Latest available filing year: 2019 · Primary form: IRS Form 990-N
- Omega Psi Phi Fraternity Inc Psi Zeta Chapter
EIN 274741398 · Headquarters: Wilmington, DE, US · Unknown & Unclassified · Latest available filing year: 2016 · Primary form: IRS Form 990-N
- Omni Youth Circle of New Castle Inc
EIN 332609832 · Headquarters: WILMINGTON, DE, USA · Education · Latest available filing year: 2024 · Primary form: IRS Form 990-EZ
- Oncology Nursing Society
EIN 510318799 · Headquarters: Wilmington, DE, US · Unknown & Unclassified · Latest available filing year: 2012 · Primary form: IRS Form 990-N
- One At A Time Foundation
EIN 261122718 · Headquarters: Wilmington, DE, USA · Philanthropy, Voluntarism & Grantmaking Foundations · Latest available filing year: 2024 · Primary form: IRS Form 990-PF
- One of 1 Foundation
EIN 854014340 · Headquarters: Wilmington, DE, USA · Philanthropy, Voluntarism & Grantmaking Foundations · Latest available filing year: 2025 · Primary form: IRS Form 990-PF
- One of Us Global Foundation
EIN 920296682 · Headquarters: Wilmington, DE, USA · Philanthropy, Voluntarism & Grantmaking Foundations · Latest available filing year: 2024 · Primary form: IRS Form 990-PF
- One Village Alliance
EIN 352367946 · Headquarters: Wilmington, DE, USA · Youth Development · Latest available filing year: 2023 · Primary form: IRS Form 990
- One4hope Foundation
EIN 333436539 · Headquarters: Wilmington, DE, USA · International, Foreign Affairs & National Security · Latest available filing year: 2025 · Primary form: IRS Form 990-EZ
- Onfoundation
EIN 871641523 · Headquarters: Wilmington, DE, US · International, Foreign Affairs & National Security · Latest available filing year: 2025 · Primary form: IRS Form 990-N
- Onward Path Foundation
EIN 464399810 · Headquarters: Wilmington, DE, USA · Public & Societal Benefit · Latest available filing year: 2025 · Primary form: IRS Form 990-PF
- Op Music House
EIN 271573321 · Headquarters: Wilmington, DE, US · Unknown & Unclassified · Latest available filing year: 2012 · Primary form: IRS Form 990-N
- Open Blockchain Foundation
EIN 823878759 · Headquarters: Wilmington, DE, USA · Philanthropy, Voluntarism & Grantmaking Foundations · Latest available filing year: 2022 · Primary form: IRS Form 990-PF
- Open Path Ai Foundation Inc
EIN 993102005 · Headquarters: WILMINGTON, DE, USA · Science & Technology · Latest available filing year: 2025 · Primary form: IRS Form 990
- OpenJS Foundation
EIN 471491876 · Headquarters: WILMINGTON, DE, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990
- OpenNetworks Foundation Inc
EIN 991100549 · Headquarters: Wilmington, DE, USA · Diseases, Disorders & Medical Disciplines · Latest available filing year: 2025 · Primary form: IRS Form 990-EZ
- Openpower Foundation
EIN 464627734 · Headquarters: WILMINGTON, DE, USA · Community Improvement & Capacity Building · Latest available filing year: 2024 · Primary form: IRS Form 990
- Operadelaware Inc
EIN 516018055 · Headquarters: WILMINGTON, DE, USA · Arts, Culture & Humanities · Latest available filing year: 2024 · Primary form: IRS Form 990
- Operation Disarm Support Foundation
EIN 020617581 · Headquarters: Wilmington, DE, US · Crime & Legal Related · Latest available filing year: 2011 · Primary form: IRS Form 990-N
- Operation JOY Foundation
EIN 870886003 · Headquarters: Wilmington, DE, USA · Philanthropy, Voluntarism & Grantmaking Foundations · Latest available filing year: 2025 · Primary form: IRS Form 990-PF
- Operation Wesley
EIN 453724090 · Headquarters: Wilmington, DE, US · Unknown & Unclassified · Latest available filing year: 2014 · Primary form: IRS Form 990-N
- Opportunity Society Foundation
EIN 202588808 · Headquarters: WILMINGTON, DE, USA · Human Services · Latest available filing year: 2011 · Primary form: IRS Form 990-EZ
- OPT for Holistic Living a NJ Nonprofit Corporation
EIN 934065153 · Headquarters: Wilmington, DE, USA · Philanthropy, Voluntarism & Grantmaking Foundations · Latest available filing year: 2025 · Primary form: IRS Form 990-PF
- Optimist International
EIN 475644375 · Headquarters: Wilmington, DE, US · Unknown & Unclassified · Latest available filing year: 2017 · Primary form: IRS Form 990-N
- Orchard 15 Foundation
EIN 204759727 · Headquarters: Wilmington, DE, USA · Philanthropy, Voluntarism & Grantmaking Foundations · Latest available filing year: 2010 · Primary form: IRS Form 990-PF
- Order of the Eastern Star
EIN 237515139 · Headquarters: Wilmington, DE, US · Unknown & Unclassified · Latest available filing year: 2021 · Primary form: IRS Form 990-N
- Order of the Eastern Star
EIN 516015495 · Headquarters: WILMINGTON, DE, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N
- Orders and Medals Society of America Inc
EIN 953450031 · Headquarters: WILMINGTON, DE, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-EZ
- Ordinal Research Institute
EIN 874696290 · Headquarters: Wilmington, DE, USA · Science & Technology · Latest available filing year: 2025 · Primary form: IRS Form 990-PF
- Organization of Minority Women Inc
EIN 510261842 · Headquarters: Wilmington, DE, US · Civil Rights, Social Action & Advocacy · Latest available filing year: 2014 · Primary form: IRS Form 990-N
- Original Wilmington Memorial Day Committee Inc
EIN 861607414 · Headquarters: Wilmington, DE, US · Arts, Culture & Humanities · Latest available filing year: 2023 · Primary form: IRS Form 990-N
- Origins of Life Foundation
EIN 394276866 · Headquarters: Wilmington, DE, USA · Philanthropy, Voluntarism & Grantmaking Foundations · Latest available filing year: 2025 · Primary form: IRS Form 990-PF
- Ortega Foundation
EIN 650014714 · Headquarters: Wilmington, DE, USA · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-PF
- Orthodox Hawaiian Iveron Icon Association
EIN 454631464 · Headquarters: WILMINGTON, DE, USA · Religion Related · Latest available filing year: 2025 · Primary form: IRS Form 990
- Orville and Gayle Kolterman Family Foundation
EIN 461571389 · Headquarters: Wilmington, DE, USA · Philanthropy, Voluntarism & Grantmaking Foundations · Latest available filing year: 2025 · Primary form: IRS Form 990-PF
- Ostrava Foundation for International Education
EIN 465030322 · Headquarters: Wilmington, DE, US · International, Foreign Affairs & National Security · Latest available filing year: 2017 · Primary form: IRS Form 990-N
- Otts-King Family Foundation
EIN 873899554 · Headquarters: Wilmington, DE, USA · Philanthropy, Voluntarism & Grantmaking Foundations · Latest available filing year: 2025 · Primary form: IRS Form 990-PF
- Our Earth Foundation
EIN 450505434 · Headquarters: Wilmington, DE, USA · Philanthropy, Voluntarism & Grantmaking Foundations · Latest available filing year: 2025 · Primary form: IRS Form 990-PF
- Our Lady of Fatima Catholic Education Foundation of New Hampshire
EIN 990459085 · Headquarters: Wilmington, DE, USA · Philanthropy, Voluntarism & Grantmaking Foundations · Latest available filing year: 2025 · Primary form: IRS Form 990-PF
- Our Lady's Statue Inc
EIN 510400767 · Headquarters: WILMINGTON, DE, USA · Arts, Culture & Humanities · Latest available filing year: 2016 · Primary form: IRS Form 990
- Our Saviors University
EIN 451536828 · Headquarters: WILMINGTON, DE, US · Education · Latest available filing year: 2018 · Primary form: IRS Form 990-N
- Our Youth Inc
EIN 510400912 · Headquarters: WILMINGTON, DE, USA · Human Services · Latest available filing year: 2024 · Primary form: IRS Form 990
- Ovationant Foundation
EIN 843600082 · Headquarters: Wilmington, DE, USA · Philanthropy, Voluntarism & Grantmaking Foundations · Latest available filing year: 2022 · Primary form: IRS Form 990-PF
- Overcome the World
EIN 884117327 · Headquarters: WILMINGTON, DE, US · Human Services · Latest available filing year: 2024 · Primary form: IRS Form 990-N
- Owens Family Charitable Foundation
EIN 464183686 · Headquarters: Wilmington, DE, USA · Public & Societal Benefit · Latest available filing year: 2024 · Primary form: IRS Form 990-PF
- Owls Nest Fund for Historic Designated Facilities
EIN 454445805 · Headquarters: WILMINGTON, DE, USA · Arts, Culture & Humanities · Latest available filing year: 2025 · Primary form: IRS Form 990
- Oxuf Inc
EIN 922686634 · Headquarters: Wilmington, DE, USA · Education · Latest available filing year: 2024 · Primary form: IRS Form 990
- Oyebimpe Generous Heart Foundation
EIN 934495029 · Headquarters: Wilmington, DE, US · Mental Health & Crisis Intervention · Latest available filing year: 2023 · Primary form: IRS Form 990-N
- Oze Family Foundation
EIN 462111172 · Headquarters: WILMINGTON, DE, USA · Philanthropy, Voluntarism & Grantmaking Foundations · Latest available filing year: 2024 · Primary form: IRS Form 990-PF
- P R Kellerman Foundation
EIN 010715984 · Headquarters: Wilmington, DE, US · Arts, Culture & Humanities · Latest available filing year: 2013 · Primary form: IRS Form 990-N
- P-Squared Philanthropies Inc
EIN 831042303 · Headquarters: Wilmington, DE, USA · Philanthropy, Voluntarism & Grantmaking Foundations · Latest available filing year: 2024 · Primary form: IRS Form 990-PF
- Pa'Lante Foundation
EIN 853136697 · Headquarters: Wilmington, DE, USA · Philanthropy, Voluntarism & Grantmaking Foundations · Latest available filing year: 2024 · Primary form: IRS Form 990-PF
- Padua Academy Foundation
EIN 510355109 · Headquarters: WILMINGTON, DE, USA · Education · Latest available filing year: 2025 · Primary form: IRS Form 990
- Pak Futures Foundation
EIN 334243840 · Headquarters: WILMINGTON, DE, US · Community Improvement & Capacity Building · Latest available filing year: 2025 · Primary form: IRS Form 990-N
- Paladin Theatre Group
EIN 203930540 · Headquarters: Wilmington, DE, US · Arts, Culture & Humanities · Latest available filing year: 2019 · Primary form: IRS Form 990-N
- Palmer and Susan Taylor Foundation
EIN 475141196 · Headquarters: Wilmington, DE, USA · Philanthropy, Voluntarism & Grantmaking Foundations · Latest available filing year: 2024 · Primary form: IRS Form 990-PF
- Paltiel Family Foundation
EIN 813506111 · Headquarters: Wilmington, DE, USA · Philanthropy, Voluntarism & Grantmaking Foundations · Latest available filing year: 2024 · Primary form: IRS Form 990-PF
- Pape Family Foundation
EIN 931231080 · Headquarters: Wilmington, DE, USA · Philanthropy, Voluntarism & Grantmaking Foundations · Latest available filing year: 2025 · Primary form: IRS Form 990-PF
- Paraffin Moon Media Corporation
EIN 852740679 · Headquarters: Wilmington, DE, US · Arts, Culture & Humanities · Latest available filing year: 2025 · Primary form: IRS Form 990-N
- Parent Booster USA Inc
EIN 331281497 · Headquarters: Wilmington, DE, US · Education · Latest available filing year: 2025 · Primary form: IRS Form 990-N
- Parent Booster USA Inc
EIN 331838213 · Headquarters: Wilmington, DE, US · Education · Latest available filing year: 2025 · Primary form: IRS Form 990-N
- Parent Information Center of Delaware Inc
EIN 510271546 · Headquarters: WILMINGTON, DE, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990
- Parents with Incarcerated Children Inc
EIN 203260786 · Headquarters: Wilmington, DE, US · Human Services · Latest available filing year: 2025 · Primary form: IRS Form 990-N
- Park Family Foundation Inc
EIN 471958302 · Headquarters: Wilmington, DE, USA · Philanthropy, Voluntarism & Grantmaking Foundations · Latest available filing year: 2024 · Primary form: IRS Form 990-PF
- Parker Charitable Foundation Trust
EIN 207069347 · Headquarters: WILMINGTON, DE, USA · Philanthropy, Voluntarism & Grantmaking Foundations · Latest available filing year: 2025 · Primary form: IRS Form 990-PF
- Parker Family Charitable Foundation
EIN 844181211 · Headquarters: Wilmington, DE, USA · Philanthropy, Voluntarism & Grantmaking Foundations · Latest available filing year: 2024 · Primary form: IRS Form 990-PF
- Parliamentarians of Kent County Delaware Pkcd
EIN 853863897 · Headquarters: Wilmington, DE, US · Education · Latest available filing year: 2024 · Primary form: IRS Form 990-N
- Partnership for the Delaware Estuary Inc
EIN 510375307 · Headquarters: WILMINGTON, DE, USA · Environment · Latest available filing year: 2024 · Primary form: IRS Form 990
- Partnership in Reentry Resource Network
EIN 854300228 · Headquarters: Wilmington, DE, US · Crime & Legal Related · Latest available filing year: 2024 · Primary form: IRS Form 990-N
- Pass the Debt Inc
EIN 454607656 · Headquarters: Wilmington, DE, US · Youth Development · Latest available filing year: 2022 · Primary form: IRS Form 990-N
- Passion and Perseverance Foundation
EIN 883733405 · Headquarters: Wilmington, DE, USA · Philanthropy, Voluntarism & Grantmaking Foundations · Latest available filing year: 2025 · Primary form: IRS Form 990-PF
- PaTaN Family Foundation
EIN 920398577 · Headquarters: Wilmington, DE, USA · Philanthropy, Voluntarism & Grantmaking Foundations · Latest available filing year: 2024 · Primary form: IRS Form 990-PF
- Patel Family Foundation
EIN 873741492 · Headquarters: Wilmington, DE, USA · Philanthropy, Voluntarism & Grantmaking Foundations · Latest available filing year: 2024 · Primary form: IRS Form 990-PF
- Path of Life Outreach Corporation
EIN 820964302 · Headquarters: Wilmington, DE, US · Human Services · Latest available filing year: 2025 · Primary form: IRS Form 990-N
- Pathfinder Foundation Inc
EIN 275487095 · Headquarters: Wilmington, DE, USA · Philanthropy, Voluntarism & Grantmaking Foundations · Latest available filing year: 2023 · Primary form: IRS Form 990-PF
- Pathology Foundation of Delaware
EIN 222473826 · Headquarters: Wilmington, DE, US · Diseases, Disorders & Medical Disciplines · Latest available filing year: 2008 · Primary form: IRS Form 990-N
- Patients and Physicians Alliance
EIN 510415603 · Headquarters: WILMINGTON, DE, USA · Health Care · Latest available filing year: 2010 · Primary form: IRS Form 990
- Patricia Hoy Conrad Memorial Scholarship Fund Inc
EIN 475633797 · Headquarters: Wilmington, DE, US · Education · Latest available filing year: 2023 · Primary form: IRS Form 990-N
- Patricia S and William J Hagenah Foundation
EIN 320087646 · Headquarters: Wilmington, DE, USA · Philanthropy, Voluntarism & Grantmaking Foundations · Latest available filing year: 2025 · Primary form: IRS Form 990-PF
- Patrick Foundation
EIN 061519341 · Headquarters: Wilmington, DE, USA · Philanthropy, Voluntarism & Grantmaking Foundations · Latest available filing year: 2025 · Primary form: IRS Form 990-PF
- Patriot Ocean Foundation
EIN 872664179 · Headquarters: Wilmington, DE, USA · Philanthropy, Voluntarism & Grantmaking Foundations · Latest available filing year: 2024 · Primary form: IRS Form 990-PF
- Patterson Barclay Memorial Foundation Inc
EIN 580904580 · Headquarters: Wilmington, DE, USA · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-PF
- Patterson Family Foundation Inc
EIN 582145618 · Headquarters: Wilmington, DE, USA · Philanthropy, Voluntarism & Grantmaking Foundations · Latest available filing year: 2024 · Primary form: IRS Form 990-PF
- Patti Mishaw Foundation
EIN 300722611 · Headquarters: Wilmington, DE, US · Education · Latest available filing year: 2015 · Primary form: IRS Form 990-N
- Paul & Edith Babson Foundation 106846-000
EIN 046037891 · Headquarters: WILMINGTON, DE, USA · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-PF
- Paul a Shaw Tr Uw Fbo Wilm Med Ctr Shaw
EIN 516510608 · Headquarters: WILMINGTON, DE, USA · Philanthropy, Voluntarism & Grantmaking Foundations · Latest available filing year: 2025 · Primary form: IRS Form 990-PF
- Paul and June Rossetti Foundation
EIN 832198543 · Headquarters: Wilmington, DE, USA · Philanthropy, Voluntarism & Grantmaking Foundations · Latest available filing year: 2024 · Primary form: IRS Form 990-PF
- Paul and Marian Gerhart Charitable Fund
EIN 832486909 · Headquarters: Wilmington, DE, USA · Philanthropy, Voluntarism & Grantmaking Foundations · Latest available filing year: 2024 · Primary form: IRS Form 990-PF
- Paul and Patricia Kuehner Family Foundation
EIN 260849308 · Headquarters: Wilmington, DE, USA · Philanthropy, Voluntarism & Grantmaking Foundations · Latest available filing year: 2025 · Primary form: IRS Form 990-PF
- Paul J Mueller Jr and Ann K Mueller Foundation
EIN 833029239 · Headquarters: Wilmington, DE, USA · Philanthropy, Voluntarism & Grantmaking Foundations · Latest available filing year: 2025 · Primary form: IRS Form 990-PF
- Paul J Wrobleski Foundation
EIN 834218547 · Headquarters: Wilmington, DE, USA · Philanthropy, Voluntarism & Grantmaking Foundations · Latest available filing year: 2022 · Primary form: IRS Form 990-PF
- Paul Mellon Health Care Plan Trust 032485-000
EIN 521957034 · Headquarters: WILMINGTON, DE, USA · Mutual & Membership Benefit · Latest available filing year: 2025 · Primary form: IRS Form 990
- Paul T and Aili R Jeffries Foundation
EIN 341864788 · Headquarters: WILMINGTON, DE, USA · Philanthropy, Voluntarism & Grantmaking Foundations · Latest available filing year: 2025 · Primary form: IRS Form 990-PF
- Paula Del Nunzio Balser and Paul F Balser Sr Family Foundation
EIN 471208681 · Headquarters: Wilmington, DE, USA · Philanthropy, Voluntarism & Grantmaking Foundations · Latest available filing year: 2024 · Primary form: IRS Form 990-PF
- Pay It Forward Networking Group Corporation
EIN 883827001 · Headquarters: Wilmington, DE, US · Community Improvement & Capacity Building · Latest available filing year: 2025 · Primary form: IRS Form 990-N
- Pc Fellowship Club
EIN 822220724 · Headquarters: WILMINGTON, DE, US · Unknown & Unclassified · Latest available filing year: 2022 · Primary form: IRS Form 990-N
- Peace Love and Llamas Foundation
EIN 874277279 · Headquarters: Wilmington, DE, USA · Philanthropy, Voluntarism & Grantmaking Foundations · Latest available filing year: 2025 · Primary form: IRS Form 990-PF
- Peace Page Foundation
EIN 920824180 · Headquarters: Wilmington, DE, US · Education · Latest available filing year: 2023 · Primary form: IRS Form 990-N