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
- American Academy of Sciences and Letters Inc
EIN 923208317 · Headquarters: Dover, DE, USA · Education · Latest available filing year: 2025 · Primary form: IRS Form 990
- American Alliance of Paralegals Inc
EIN 020670035 · Headquarters: Wilmington, DE, US · Community Improvement & Capacity Building · Latest available filing year: 2025 · Primary form: IRS Form 990-N
- American Art Literature Fund
EIN 394431821 · Headquarters: DOVER, DE, US · Arts, Culture & Humanities · Latest available filing year: 2025 · Primary form: IRS Form 990-N
- American Associates of the National Army Museum Uk Inc
EIN 412220906 · Headquarters: Wilmington, DE, US · Arts, Culture & Humanities · Latest available filing year: 2019 · Primary form: IRS Form 990-N
- American Association For Paralegal Education Inc
EIN 611047512 · Headquarters: Dover, DE, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990
- American Association of University Professors
EIN 510331926 · Headquarters: Dover, DE, US · Education · Latest available filing year: 2015 · Primary form: IRS Form 990-N
- American Association of University Women
EIN 510083864 · Headquarters: Wilmington, DE, US · Education · Latest available filing year: 2025 · Primary form: IRS Form 990-N
- American Association of University Women
EIN 516015332 · Headquarters: Milford, DE, US · Education · Latest available filing year: 2025 · Primary form: IRS Form 990-N
- American Association of University Women
EIN 516015895 · Headquarters: Newark, DE, US · Education · Latest available filing year: 2022 · Primary form: IRS Form 990-N
- American Association of University Women
EIN 516018007 · Headquarters: Lewes, DE, US · Education · Latest available filing year: 2024 · Primary form: IRS Form 990-N
- American Association of University Women
EIN 516018008 · Headquarters: Middletown, DE, US · Education · Latest available filing year: 2025 · Primary form: IRS Form 990-N
- American Association of University Women
EIN 516018009 · Headquarters: seaford, DE, US · Education · Latest available filing year: 2023 · Primary form: IRS Form 990-N
- American Association of University Women Aauw Dover Deleware
EIN 510268626 · Headquarters: Magnolia, DE, US · Education · Latest available filing year: 2024 · Primary form: IRS Form 990-N
- American Association of University Women Coastal Georgetown Inc
EIN 931403910 · Headquarters: Lewes, DE, US · Education · Latest available filing year: 2025 · Primary form: IRS Form 990-N
- American Association of Zoo Keepers
EIN 463622886 · Headquarters: Wilmington, DE, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N
- American Basho Society
EIN 852281207 · Headquarters: Wilmington, DE, US · Arts, Culture & Humanities · Latest available filing year: 2020 · Primary form: IRS Form 990-N
- American Birding Association
EIN 742347314 · Headquarters: DOVER, DE, USA · Animal Related · Latest available filing year: 2025 · Primary form: IRS Form 990
- American Board of Nursing Artificia L Intelligence
EIN 394850979 · Headquarters: Dover, DE, US · Health Care · Latest available filing year: 2025 · Primary form: IRS Form 990-N
- American Board of Precision Medicine Inc
EIN 932659861 · Headquarters: Wilmington, DE, USA · Health Care · Latest available filing year: 2025 · Primary form: IRS Form 990-EZ
- American Board of Prolotherapy Inc
EIN 510316005 · Headquarters: middletown, DE, US · Mutual & Membership Benefit · Latest available filing year: 2024 · Primary form: IRS Form 990-N
- American Center for Enterprise Education
EIN 510260351 · Headquarters: WILMINGTON, DE, USA · Education · Latest available filing year: 2015 · Primary form: IRS Form 990-EZ
- American Center for Farming Heritage Inc
EIN 932665741 · Headquarters: LEWES, DE, US · Food, Agriculture & Nutrition · Latest available filing year: 2025 · Primary form: IRS Form 990-N
- American Chemical Society De Section
EIN 516015899 · Headquarters: MONTCHANIN, DE, USA · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-EZ
- American Civil Liberties Union Foundation of Delaware Inc
EIN 510220856 · Headquarters: Wilmington, DE, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990
- American Civil Liberties Union of Delaware Inc
EIN 510240032 · Headquarters: Wilmington, DE, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990
- American Classical Education Foundation
EIN 873855677 · Headquarters: DOVER, DE, USA · Education · Latest available filing year: 2024 · Primary form: IRS Form 990
- American College International Foundation
EIN 510413197 · Headquarters: GREENVILLE, DE, USA · Philanthropy, Voluntarism & Grantmaking Foundations · Latest available filing year: 2025 · Primary form: IRS Form 990-PF
- American College of Bankruptcy
EIN 521759771 · Headquarters: DOVER, DE, USA · Education · Latest available filing year: 2025 · Primary form: IRS Form 990
- American College of Bankruptcy Foundation
EIN 010656156 · Headquarters: DOVER, DE, USA · Education · Latest available filing year: 2025 · Primary form: IRS Form 990
- American College of Emergency Physicians
EIN 237147399 · Headquarters: Newark, DE, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N
- American College of Nurse Practitioner Faculty
EIN 473851348 · Headquarters: Claymont, DE, US · Community Improvement & Capacity Building · Latest available filing year: 2025 · Primary form: IRS Form 990-N
- American Concrete Pavement Association Mid-atlantic Chapter
EIN 541432722 · Headquarters: MILLSBORO, DE, USA · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990
- American Cooperative School of Tunis Association
EIN 830379231 · Headquarters: WILMINGTON, DE, USA · Education · Latest available filing year: 2024 · Primary form: IRS Form 990
- American Council of Engineering Companies of Delaware
EIN 510316609 · Headquarters: DOVER, DE, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-EZ
- American Counsel Association Co Denise S Kraft
EIN 582252492 · Headquarters: WILMINGTON, DE, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-EZ
- American Counsel Scholarship Foundation Co Denise Kraft Secretarytreasurer
EIN 521720223 · Headquarters: WILMINGTON, DE, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-PF
- American Criminal Justice Association Lambda Alpha Epsilon
EIN 352335238 · Headquarters: WILMINGTON, DE, US · Unknown & Unclassified · Latest available filing year: 2023 · Primary form: IRS Form 990-N
- American Criminal Justice Association Lambda Alpha Epsilon
EIN 510363006 · Headquarters: Newark, DE, US · Crime & Legal Related · Latest available filing year: 2007 · Primary form: IRS Form 990-N
- American Criminal Justice Association Lambda Alpha Epsilon
EIN 510389342 · Headquarters: New Castle, DE, US · Crime & Legal Related · Latest available filing year: 2009 · Primary form: IRS Form 990-N
- American Culinary Federations First State Chefs Association Inc
EIN 510403776 · Headquarters: Middletown, DE, US · Food, Agriculture & Nutrition · Latest available filing year: 2022 · Primary form: IRS Form 990-N
- American Educational Leadership Association
EIN 813287064 · Headquarters: wilmington, DE, US · Education · Latest available filing year: 2020 · Primary form: IRS Form 990-N
- American Electric Power Foundation
EIN 203886453 · Headquarters: Wilmington, DE, USA · Philanthropy, Voluntarism & Grantmaking Foundations · Latest available filing year: 2025 · Primary form: IRS Form 990-PF
- American Emu Association
EIN 522289804 · Headquarters: Newark, DE, US · Unknown & Unclassified · Latest available filing year: 2023 · Primary form: IRS Form 990-N
- American Federation of Government Employees
EIN 300599142 · Headquarters: Wilmington, DE, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N
- American Federation of Government Employees
EIN 516018228 · Headquarters: Dover, DE, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N
- American Federation of Government Employees Local 2006 AFL-CIO
EIN 236463952 · Headquarters: Bear, DE, USA · Employment · Latest available filing year: 2025 · Primary form: IRS Form 990
- American Federation of Labor & Congress of Industrial Org
EIN 830424370 · Headquarters: WILMINGTON, DE, US · Employment · Latest available filing year: 2025 · Primary form: IRS Form 990-N
- American Federation of Musicians Local 21 Inc
EIN 510000785 · Headquarters: WILMINGTON, DE, USA · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-EZ
- American Federation of State County & Muni Employees Afl-cio Local 320
EIN 526055342 · Headquarters: NEWPORT, DE, USA · Employment · Latest available filing year: 2013 · Primary form: IRS Form 990-EZ
- American Federation of State County & Municipal Employees
EIN 237208400 · Headquarters: NEW CASTLE, DE, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N
- American Federation of State County & Municipal Employees
EIN 237369334 · Headquarters: NEW CASTLE, DE, US · Employment · Latest available filing year: 2025 · Primary form: IRS Form 990-N
- American Federation of State County & Municipal Employees
EIN 237447117 · Headquarters: NEW CASTLE, DE, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N
- American Federation of State County & Municipal Employees
EIN 331061822 · Headquarters: New Castle, DE, USA · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-EZ
- American Federation of State County & Municipal Employees
EIN 463253456 · Headquarters: NEW CASTLE, DE, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N
- American Federation of State County & Municipal Employees
EIN 463725910 · Headquarters: NEW CASTLE, DE, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N
- American Federation of State County & Municipal Employees
EIN 510105426 · Headquarters: new castle, DE, US · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-N
- American Federation of State County & Municipal Employees
EIN 510233460 · Headquarters: New Castle, DE, US · Unknown & Unclassified · Latest available filing year: 2023 · Primary form: IRS Form 990-N
- American Federation of State County & Municipal Employees
EIN 510259681 · Headquarters: NEW CASTLE, DE, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N
- American Federation of State County & Municipal Employees
EIN 510260340 · Headquarters: New Castle, DE, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N
- American Federation of State County & Municipal Employees
EIN 510263007 · Headquarters: NEW CASTLE, DE, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N
- American Federation of State County & Municipal Employees
EIN 510276466 · Headquarters: Wilmington, DE, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N
- American Federation of State County & Municipal Employees
EIN 510321067 · Headquarters: New Castle, DE, US · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-N
- American Federation of State County & Municipal Employees
EIN 510321068 · Headquarters: NEW CASTLE, DE, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N
- American Federation of State County & Municipal Employees
EIN 510321069 · Headquarters: Wilmington, DE, US · Employment · Latest available filing year: 2008 · Primary form: IRS Form 990-N
- American Federation of State County & Municipal Employees
EIN 510321071 · Headquarters: NEW CASTLE, DE, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N
- American Federation of State County & Municipal Employees
EIN 510370729 · Headquarters: NEW CASTLE, DE, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N
- American Federation of State County & Municipal Employees
EIN 510374246 · Headquarters: New Castle, DE, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N
- American Federation of State County & Municipal Employees
EIN 510401083 · Headquarters: Georgetown, DE, US · Employment · Latest available filing year: 2008 · Primary form: IRS Form 990-N
- American Federation of State County & Municipal Employees
EIN 516019876 · Headquarters: SMYRNA, DE, US · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-N
- American Federation of State County & Municipal Employees
EIN 516022787 · Headquarters: SMYRNA, DE, US · Unknown & Unclassified · Latest available filing year: 2022 · Primary form: IRS Form 990-N
- American Federation of State County & Municipal Employees
EIN 516022789 · Headquarters: Bear, DE, US · Employment · Latest available filing year: 2008 · Primary form: IRS Form 990-N
- American Federation of State County & Municipal Employees
EIN 516022795 · Headquarters: LAUREL, DE, US · Unknown & Unclassified · Latest available filing year: 2023 · Primary form: IRS Form 990-N
- American Federation of State County & Municipal Employees
EIN 516022797 · Headquarters: Wilmington, DE, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N
- American Federation of State County & Municipal Employees
EIN 516022798 · Headquarters: Newark, DE, US · Employment · Latest available filing year: 2025 · Primary form: IRS Form 990-N
- American Federation of State County & Municipal Employees
EIN 651289447 · Headquarters: NEW CASTLE, DE, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N
- American Federation of State County & Municipal Employees
EIN 822692880 · Headquarters: NEW CASTLE, DE, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N
- American Federation of State County & Municipal Employees
EIN 911771487 · Headquarters: Seaford, DE, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N
- American Federation of State County & Municipal Employees
EIN 912027191 · Headquarters: NEW CASTLE, DE, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N
- American Federation of State County and Municipal Employees
EIN 237208340 · Headquarters: WILMINGTON, DE, USA · Unknown & Unclassified · Latest available filing year: 2022 · Primary form: IRS Form 990-EZ
- American Federation of State County and Municipal Employees
EIN 510314702 · Headquarters: Newark, DE, US · Employment · Latest available filing year: 2024 · Primary form: IRS Form 990-N
- American Federation of State County and Municipal Employees
EIN 821835250 · Headquarters: Newark, DE, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N
- American Federation of State County and Municipal Employees Local2356
EIN 413153024 · Headquarters: Dover, DE, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N
- American Federation of State County Municipal Employees
EIN 516022794 · Headquarters: Smyrna, DE, US · Health Care · Latest available filing year: 2007 · Primary form: IRS Form 990-N
- American Federation of Teachers
EIN 800762599 · Headquarters: WILMINGTON, DE, US · Employment · Latest available filing year: 2025 · Primary form: IRS Form 990-N
- American Fisheries Society
EIN 237226666 · Headquarters: Dover, DE, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N
- American Foundation for Catholics Inc
EIN 264717615 · Headquarters: Wilmington, DE, US · Religion Related · Latest available filing year: 2018 · Primary form: IRS Form 990-N
- American Friends of Bean Voyage
EIN 833945930 · Headquarters: Wilmington, DE, USA · Food, Agriculture & Nutrition · Latest available filing year: 2025 · Primary form: IRS Form 990
- American Friends of Dulwich Picture Gallery Inc
EIN 980391841 · Headquarters: Wilmington, DE, US · Arts, Culture & Humanities · Latest available filing year: 2018 · Primary form: IRS Form 990-N
- American Friends of National Museums Liverpool Inc
EIN 421712542 · Headquarters: Wilmington, DE, US · Arts, Culture & Humanities · Latest available filing year: 2016 · Primary form: IRS Form 990-N
- American Friends of Scotlands Canals & Waterways Inc
EIN 311738474 · Headquarters: Wilmington, DE, US · Environment · Latest available filing year: 2017 · Primary form: IRS Form 990-N
- American Friends of Standing Together
EIN 334052844 · Headquarters: Dover, DE, US · International, Foreign Affairs & National Security · Latest available filing year: 2025 · Primary form: IRS Form 990-N
- American Friends of the Australian National Maritime Museum Inc
EIN 134073626 · Headquarters: Wilmington, DE, US · Arts, Culture & Humanities · Latest available filing year: 2019 · Primary form: IRS Form 990-N
- American Friends of the City of Paris Museum of Modern Art Inc
EIN 472139828 · Headquarters: WILMINGTON, DE, USA · Arts, Culture & Humanities · Latest available filing year: 2024 · Primary form: IRS Form 990-PF
- American Friends of the Old Royal Naval College
EIN 474074219 · Headquarters: Wilmington, DE, US · International, Foreign Affairs & National Security · Latest available filing year: 2025 · Primary form: IRS Form 990-N
- American Friends of the River & Rowing Museum Inc
EIN 311802690 · Headquarters: Wilmington, DE, US · Arts, Culture & Humanities · Latest available filing year: 2018 · Primary form: IRS Form 990-N
- American Friends of the Royal College of General Practitioners I
EIN 262422910 · Headquarters: Wilmington, DE, US · Education · Latest available filing year: 2013 · Primary form: IRS Form 990-N
- American Friends of the Sage Gateshead Inc
EIN 760785190 · Headquarters: Wilmington, DE, US · Arts, Culture & Humanities · Latest available filing year: 2009 · Primary form: IRS Form 990-N
- American Friends of the University of Essex Inc
EIN 263184124 · Headquarters: Wilmington, DE, US · Education · Latest available filing year: 2018 · Primary form: IRS Form 990-N
- American Friends of Trinity College University of Melbourne Inc
EIN 861151511 · Headquarters: Wilmington, DE, US · Education · Latest available filing year: 2018 · Primary form: IRS Form 990-N
- American Friends of United for Global Mental Health
EIN 844566790 · Headquarters: WILMINGTON, DE, USA · International, Foreign Affairs & National Security · Latest available filing year: 2025 · Primary form: IRS Form 990