Nonprofits in Delaware
Nonprofits in Delaware. Browse 11,586 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
- 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
- Omnia Humanitas Inc
EIN 810680840 · Headquarters: Newark, DE, US · Community Improvement & Capacity Building · Latest available filing year: 2025 · Primary form: IRS Form 990-N
- Omnicolosx Inc
EIN 873197856 · Headquarters: MIDDLETOWN, DE, US · Environment · Latest available filing year: 2023 · Primary form: IRS Form 990-N
- Omoibile Esie
EIN 432058760 · Headquarters: Newark, DE, US · Arts, Culture & Humanities · Latest available filing year: 2024 · Primary form: IRS Form 990-N
- Oncology Nursing Society
EIN 510318799 · Headquarters: Wilmington, DE, US · Unknown & Unclassified · Latest available filing year: 2012 · Primary form: IRS Form 990-N
- Oncology Nursing Society
EIN 800305983 · Headquarters: Rehoboth Beach, DE, US · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-N
- Oncor Coalition Inc
EIN 934979528 · Headquarters: Historic New Castle, DE, US · Recreation & Sports · Latest available filing year: 2024 · 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 Dog More
EIN 462518792 · Headquarters: Dover, DE, USA · Animal Related · Latest available filing year: 2021 · Primary form: IRS Form 990-EZ
- One Fact Foundation
EIN 882145154 · Headquarters: CLAYMONT, DE, USA · Health Care · Latest available filing year: 2024 · Primary form: IRS Form 990-EZ
- 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 Purpose Food Pantry Corporation
EIN 863275277 · Headquarters: Smyrna, DE, US · Food, Agriculture & Nutrition · Latest available filing year: 2025 · Primary form: IRS Form 990-N
- One Step at a Time Foundation
EIN 882520965 · Headquarters: Newark, DE, USA · Human Services · Latest available filing year: 2024 · Primary form: IRS Form 990-EZ
- 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
- Onemic Onevoice
EIN 473922355 · Headquarters: Claymont, DE, US · Unknown & Unclassified · Latest available filing year: 2016 · Primary form: IRS Form 990-N
- 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 Arms National & International Ministries Incorporated
EIN 300459758 · Headquarters: Magnolia, DE, US · Religion Related · Latest available filing year: 2024 · 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 Doors-mblb Inc
EIN 854349978 · Headquarters: DOVER, DE, US · Philanthropy, Voluntarism & Grantmaking Foundations · Latest available filing year: 2025 · Primary form: IRS Form 990-N
- Open Environmental Data Inc
EIN 862759780 · Headquarters: DOVER, DE, USA · Science & Technology · Latest available filing year: 2024 · Primary form: IRS Form 990
- Open Hearts N O W Community Support Group
EIN 872684777 · Headquarters: Frankford, DE, US · Human Services · Latest available filing year: 2022 · Primary form: IRS Form 990-N
- Open Hearts Open Minds Counseling Ministries Inc
EIN 821303048 · Headquarters: SEAFORD, DE, USA · Religion Related · Latest available filing year: 2024 · Primary form: IRS Form 990-PF
- Open Net Foundation
EIN 201472003 · Headquarters: Hockessin, DE, US · Youth Development · Latest available filing year: 2025 · Primary form: IRS Form 990-N
- Open Path Ai Foundation Inc
EIN 993102005 · Headquarters: WILMINGTON, DE, USA · Science & Technology · Latest available filing year: 2025 · Primary form: IRS Form 990
- Open Rules for Cataloging Inc
EIN 924015540 · Headquarters: Lewes, DE, US · Education · Latest available filing year: 2025 · Primary form: IRS Form 990-N
- Openairinterface Foundation
EIN 993409708 · Headquarters: DOVER, DE, USA · Community Improvement & Capacity Building · Latest available filing year: 2025 · Primary form: IRS Form 990
- Openintro Inc
EIN 813557916 · Headquarters: Dover, DE, USA · International, Foreign Affairs & National Security · 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
- OpenOI Inc
EIN 392473598 · Headquarters: Dover, DE, USA · Philanthropy, Voluntarism & Grantmaking Foundations · Latest available filing year: 2025 · Primary form: IRS Form 990-PF
- 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 Ac Inc
EIN 020699201 · Headquarters: BEAR, DE, USA · Public & Societal Benefit · Latest available filing year: 2010 · Primary form: IRS Form 990-EZ
- Operation Christmas Wish Foundation
EIN 472431934 · Headquarters: TOWNSEND, DE, US · Human Services · Latest available filing year: 2022 · Primary form: IRS Form 990-N
- 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 Look Forward Inc
EIN 851182911 · Headquarters: Bear, DE, US · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-N
- Operation Seas the Day Inc
EIN 464645525 · Headquarters: BETHANY BEACH, DE, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-EZ
- Operation Shooting Star
EIN 273910075 · Headquarters: FRANKFORD, DE, US · Medical Research · Latest available filing year: 2025 · Primary form: IRS Form 990-N
- Operation Warm Heart - Dover Afb First Sergeants Council
EIN 900497045 · Headquarters: Dover AFB, DE, US · Human Services · Latest available filing year: 2025 · Primary form: IRS Form 990-N
- Operation Water Inc
EIN 811644787 · Headquarters: REHOBOTH BCH, DE, USA · International, Foreign Affairs & National Security · Latest available filing year: 2025 · Primary form: IRS Form 990-EZ
- Operation Wesley
EIN 453724090 · Headquarters: Wilmington, DE, US · Unknown & Unclassified · Latest available filing year: 2014 · Primary form: IRS Form 990-N
- Operation Whitetail Inc
EIN 273144221 · Headquarters: Bridgeville, DE, US · Human Services · Latest available filing year: 2014 · Primary form: IRS Form 990-N
- Operational Medicine Foundation Ltd
EIN 990585219 · Headquarters: Lewes, DE, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N
- OPISAC Africa
EIN 834330800 · Headquarters: Lewes, DE, USA · Religion Related · Latest available filing year: 2023 · Primary form: IRS Form 990-PF
- Opportunity Center Inc
EIN 510079778 · Headquarters: New Castle, DE, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990
- Opportunity Incubator Foundation
EIN 223798213 · Headquarters: NEWARK, DE, US · International, Foreign Affairs & National Security · Latest available filing year: 2015 · 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 18 Chai Foundation Inc
EIN 332909710 · Headquarters: Dover, DE, US · Human Services · Latest available filing year: 2025 · Primary form: IRS Form 990-N
- Order of the Amaranth Inc
EIN 237614872 · Headquarters: Dagsboro, DE, US · Unknown & Unclassified · Latest available filing year: 2019 · Primary form: IRS Form 990-N
- 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
- Order of the Eastern Star Caesar Rodney Chapter 8
EIN 516017846 · Headquarters: Newark, DE, US · Mutual & Membership Benefit · Latest available filing year: 2025 · Primary form: IRS Form 990-N
- Order of the Eastern Star of De
EIN 516020555 · Headquarters: MILTON, DE, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-EZ
- Order of the Eastern Star of Delaware
EIN 237138089 · Headquarters: DELMAR, DE, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N
- Order of the Eastern Star of Delaware
EIN 237138090 · Headquarters: MILTON, DE, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N
- Order of the Eastern Star of Delaware
EIN 237515132 · Headquarters: Newark, DE, US · Mutual & Membership Benefit · Latest available filing year: 2013 · Primary form: IRS Form 990-N
- Order of the Eastern Star of Delaware
EIN 510274669 · Headquarters: Seaford, DE, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N
- Order of the Eastern Star of Delaware
EIN 510276109 · Headquarters: MILLSBORO, DE, US · Mutual & Membership Benefit · Latest available filing year: 2014 · Primary form: IRS Form 990-N
- Order of the Eastern Star of Delaware
EIN 516016673 · Headquarters: Seaford, DE, US · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-N
- Order of the Eastern Star Victory Chapter 15
EIN 237123836 · Headquarters: Dover, DE, US · Mutual & Membership Benefit · Latest available filing year: 2024 · 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
- Organization of Pjm States Inc
EIN 010852125 · Headquarters: NEWARK, DE, USA · Science & Technology · Latest available filing year: 2024 · Primary form: IRS Form 990
- Orient of Delaware Benevolent Foundation
EIN 842300896 · Headquarters: Middletown, DE, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N
- Original Intent Living Ministries Inc
EIN 831023473 · Headquarters: BEAR, DE, US · Religion Related · Latest available filing year: 2019 · Primary form: IRS Form 990-N
- Original Position Foundation
EIN 872532322 · Headquarters: CLAYMONT, DE, USA · Philanthropy, Voluntarism & Grantmaking Foundations · Latest available filing year: 2024 · Primary form: IRS Form 990-PF
- 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
- Orphan Life Foundation
EIN 814314076 · Headquarters: Dover, DE, US · Human Services · Latest available filing year: 2025 · Primary form: IRS Form 990-N
- Orsinai Foundation
EIN 934414548 · Headquarters: Newark, DE, USA · Religion Related · Latest available filing year: 2025 · Primary form: IRS Form 990-EZ
- 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
- Orthodox Herald Foundation Inc
EIN 823006529 · Headquarters: Dover, DE, USA · Human Services · Latest available filing year: 2019 · Primary form: IRS Form 990-PF
- 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
- Os Ocean Sea Foundation Inc
EIN 301173625 · Headquarters: MILTON, DE, US · Environment · Latest available filing year: 2021 · Primary form: IRS Form 990-N
- Os Waye Foundation
EIN 995041645 · Headquarters: DOVER, DE, US · Employment · Latest available filing year: 2024 · Primary form: IRS Form 990-N
- 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 Charis Community
EIN 824968977 · Headquarters: GEORGETOWN, DE, US · Religion Related · Latest available filing year: 2023 · Primary form: IRS Form 990-N
- Our Daily Bread Dining Room of MOT Inc
EIN 453215967 · Headquarters: Middletown, DE, USA · Food, Agriculture & Nutrition · Latest available filing year: 2025 · Primary form: IRS Form 990
- 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 Town Community Development Corp
EIN 920411418 · Headquarters: Delmar, DE, US · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-N
- Our Vets Now Incorporated
EIN 842125615 · Headquarters: Newark, DE, US · Human Services · Latest available filing year: 2025 · Primary form: IRS Form 990-N
- Our Watch Corporation
EIN 881703138 · Headquarters: Newark, DE, US · Human Services · Latest available filing year: 2025 · 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
- Outloud De
EIN 333472780 · Headquarters: Millsboro, DE, US · Youth Development · Latest available filing year: 2024 · Primary form: IRS Form 990-N
- Outrech Solutions
EIN 823649186 · Headquarters: Lewes, DE, US · Public & Societal Benefit · Latest available filing year: 2017 · Primary form: IRS Form 990-N
- Outstretched Hands International Inc
EIN 842748679 · Headquarters: Lewes, DE, US · Employment · Latest available filing year: 2020 · Primary form: IRS Form 990-N