Nonprofits in Maryland

Nonprofits in Maryland. Browse 47,413 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

  1. Warriors Standing Strong Inc

    EIN 833967085 · Headquarters: Hurlock, MD, US · Public & Societal Benefit · Latest available filing year: 2019 · Primary form: IRS Form 990-N

  2. Warriors Touchdown Club

    EIN 824551467 · Headquarters: Gwynn Oak, MD, US · Recreation & Sports · Latest available filing year: 2018 · Primary form: IRS Form 990-N

  3. Warwick Manor Behavioral Health Inc

    EIN 522194082 · Headquarters: East New Market, MD, USA · Health Care · Latest available filing year: 2024 · Primary form: IRS Form 990

  4. Wasafiri Community Outreach Inc

    EIN 853555207 · Headquarters: Middle River, MD, US · Community Improvement & Capacity Building · Latest available filing year: 2024 · Primary form: IRS Form 990-N

  5. Wash Printing Asst & Off Wrkrs Lo 72 & Apprntce Ship & Training Fnd

    EIN 237328035 · Headquarters: RIVERDALE, MD, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  6. Washcloths for Wellness

    EIN 863679407 · Headquarters: Hagerstown, MD, US · Philanthropy, Voluntarism & Grantmaking Foundations · Latest available filing year: 2023 · Primary form: IRS Form 990-N

  7. Washco Needs Inc

    EIN 933090067 · Headquarters: Hagerstown, MD, US · Human Services · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  8. Washington Accueil Association Inc

    EIN 522016021 · Headquarters: BETHESDA, MD, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-EZ

  9. Washington Adventist Fitness Center

    EIN 274758462 · Headquarters: Gaithersburg, MD, US · Religion Related · Latest available filing year: 2015 · Primary form: IRS Form 990-N

  10. Washington Adventist Hospital Foundation Inc

    EIN 521692158 · Headquarters: GAITHERSBURG, MD, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990

  11. Washington Adventist University

    EIN 520643528 · Headquarters: Takoma Park, MD, United States · Education · Latest available filing year: 2024 · Primary form: IRS Form 990

  12. Washington and Northern Virginia Company of Jamestowne Society Inc

    EIN 541445872 · Headquarters: Port Tobacco, MD, US · Community Improvement & Capacity Building · Latest available filing year: 2021 · Primary form: IRS Form 990-N

  13. Washington Area Council of Engineering Laboratories Inc

    EIN 521344344 · Headquarters: BETHESDA, MD, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990

  14. Washington Area Frisbee Club Inc

    EIN 521865622 · Headquarters: Bethesda, MD, USA · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990

  15. Washington Area Magnetic Resonance Association Inc

    EIN 992071395 · Headquarters: Gaithersburg, MD, US · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-N

  16. Washington Area Mid-east Dance Association Inc

    EIN 342007997 · Headquarters: Clinton, MD, US · Arts, Culture & Humanities · Latest available filing year: 2012 · Primary form: IRS Form 990-N

  17. Washington Area Midrange Users Group Inc

    EIN 521870913 · Headquarters: N Potomac, MD, US · Recreation & Sports · Latest available filing year: 2013 · Primary form: IRS Form 990-N

  18. Washington Area Music Association Inc

    EIN 521458295 · Headquarters: Silver Spring, MD, US · Arts, Culture & Humanities · Latest available filing year: 2017 · Primary form: IRS Form 990-N

  19. Washington Area Roofing Contractors Association

    EIN 521474064 · Headquarters: Bladensburg, MD, US · Community Improvement & Capacity Building · Latest available filing year: 2009 · Primary form: IRS Form 990-N

  20. Washington Area Secular Humanists Inc Wash

    EIN 521640229 · Headquarters: Leonardtown, MD, US · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-N

  21. Washington Area Square Dancers Cooperative Assocation

    EIN 237202631 · Headquarters: GREENBELT, MD, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  22. Washington Area Tennis Association

    EIN 464909343 · Headquarters: rockville, MD, US · Recreation & Sports · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  23. Washington Area Throwing Stars Dgc Inc

    EIN 882398960 · Headquarters: Elkridge, MD, US · Recreation & Sports · Latest available filing year: 2024 · Primary form: IRS Form 990-N

  24. Washington Area Wheelchair Society Inc

    EIN 521480631 · Headquarters: Silver Spring, MD, US · Human Services · Latest available filing year: 2012 · Primary form: IRS Form 990-N

  25. Washington Area Youth Sports Operating Foundation

    EIN 824040815 · Headquarters: ROCKVILLE, MD, USA · Youth Development · Latest available filing year: 2025 · Primary form: IRS Form 990-PF

  26. Washington Ark Foundation Corporation

    EIN 274214374 · Headquarters: Potomac, MD, US · Arts, Culture & Humanities · Latest available filing year: 2024 · Primary form: IRS Form 990-N

  27. Washington Arts and Design Association Inc

    EIN 922483907 · Headquarters: Gaithersburg, MD, US · Arts, Culture & Humanities · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  28. Washington Arts Museum

    EIN 522144687 · Headquarters: Silver Spring, MD, US · Arts, Culture & Humanities · Latest available filing year: 2009 · Primary form: IRS Form 990-N

  29. Washington Artworks Inc

    EIN 522231679 · Headquarters: ROCKVILLE, MD, USA · Arts, Culture & Humanities · Latest available filing year: 2014 · Primary form: IRS Form 990

  30. Washington Asian Philharmonic Orchestra Inc

    EIN 383763664 · Headquarters: Bethesda, MD, US · Arts, Culture & Humanities · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  31. Washington Association for Korean Schools

    EIN 510645383 · Headquarters: GERMANTOWN, MD, USA · Education · Latest available filing year: 2024 · Primary form: IRS Form 990-EZ

  32. Washington Baptist Seminary

    EIN 521327135 · Headquarters: Mount Rainier, MD, USA · Education · Latest available filing year: 2024 · Primary form: IRS Form 990

  33. Washington Bar Association Legal Fund Inc

    EIN 311808613 · Headquarters: LANHAM, MD, US · Crime & Legal Related · Latest available filing year: 2013 · Primary form: IRS Form 990-N

  34. Washington Bible College

    EIN 530174589 · Headquarters: BOWIE, MD, USA · Education · Latest available filing year: 2015 · Primary form: IRS Form 990

  35. Washington Board of Rabbis Inc

    EIN 521244577 · Headquarters: Rockville, MD, US · Religion Related · Latest available filing year: 2009 · Primary form: IRS Form 990-N

  36. Washington Brass Institute Inc C/o Kenneth Wolff

    EIN 465615905 · Headquarters: ROCKVILLE, MD, US · Arts, Culture & Humanities · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  37. Washington Bridge League

    EIN 546047939 · Headquarters: Bethesda, MD, USA · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-EZ

  38. Washington Bridge League Educational Foundation Inc

    EIN 464129239 · Headquarters: Silver Spring, MD, US · Recreation & Sports · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  39. Washington Bridge Unit

    EIN 522091785 · Headquarters: Hyattsville, MD, USA · Recreation & Sports · Latest available filing year: 2025 · Primary form: IRS Form 990-EZ

  40. Washington Business Alliance

    EIN 453577272 · Headquarters: N Bethesda, MD, US · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-N

  41. Washington Business Association Inc

    EIN 931749543 · Headquarters: Rockville, MD, US · Arts, Culture & Humanities · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  42. Washington Capitals Sports Club Co

    EIN 854391787 · Headquarters: Linthicum Heights, MD, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  43. Washington Care Foundation Inc

    EIN 454747425 · Headquarters: Germantown, MD, US · Arts, Culture & Humanities · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  44. Washington Cares Inc

    EIN 203444845 · Headquarters: ROCKVILLE, MD, US · Human Services · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  45. Washington Chamber Orchestra Inc

    EIN 474199550 · Headquarters: BETHESDA, MD, US · Arts, Culture & Humanities · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  46. Washington Chinese Chorus

    EIN 823056816 · Headquarters: Potomac, MD, US · Arts, Culture & Humanities · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  47. Washington Chinese Golf Association

    EIN 843529996 · Headquarters: Ellicott City, MD, US · Recreation & Sports · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  48. Washington Christian School Society Inc

    EIN 520733737 · Headquarters: OLNEY, MD, USA · Education · Latest available filing year: 2024 · Primary form: IRS Form 990

  49. Washington Chromatography Discussion Group

    EIN 526080134 · Headquarters: KENSINGTON, MD, US · Unknown & Unclassified · Latest available filing year: 2022 · Primary form: IRS Form 990-N

  50. Washington Chu Shan Chinese Opera Institute Inc

    EIN 521830370 · Headquarters: SILVER SPRING, MD, US · Unknown & Unclassified · Latest available filing year: 2020 · Primary form: IRS Form 990-N

  51. Washington City Fife and Drum Corps Inc

    EIN 464062640 · Headquarters: Silver Spring, MD, US · Arts, Culture & Humanities · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  52. Washington Coalition for Comfort Women Issues Inc

    EIN 541673741 · Headquarters: potomac, MD, US · Civil Rights, Social Action & Advocacy · Latest available filing year: 2007 · Primary form: IRS Form 990-N

  53. Washington College

    EIN 520591691 · Headquarters: Chestertown, MD, USA · Education · Latest available filing year: 2024 · Primary form: IRS Form 990

  54. Washington College Mens Soccer

    EIN 993423847 · Headquarters: Severna Park, MD, US · Recreation & Sports · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  55. Washington Commanders Foundation

    EIN 991792236 · Headquarters: Landover, MD, USA · Philanthropy, Voluntarism & Grantmaking Foundations · Latest available filing year: 2024 · Primary form: IRS Form 990

  56. Washington Concert Singers Foundation Corp

    EIN 521140853 · Headquarters: Adamstown, MD, US · Arts, Culture & Humanities · Latest available filing year: 2010 · Primary form: IRS Form 990-N

  57. Washington County Agricultural Center Inc

    EIN 521906760 · Headquarters: HAGERSTOWN, MD, USA · Food, Agriculture & Nutrition · Latest available filing year: 2024 · Primary form: IRS Form 990

  58. Washington County Agricultural Organization Inc

    EIN 521302518 · Headquarters: SHARPSBURG, MD, USA · Recreation & Sports · Latest available filing year: 2025 · Primary form: IRS Form 990

  59. Washington County Antique Tractor Club

    EIN 521891244 · Headquarters: Boonsboro, MD, US · Food, Agriculture & Nutrition · Latest available filing year: 2024 · Primary form: IRS Form 990-N

  60. Washington County Arts Council Inc

    EIN 237019836 · Headquarters: HAGERSTOWN, MD, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990

  61. Washington County Association of Museums & Historic Sites Inc

    EIN 522267340 · Headquarters: HAGERSTOWN, MD, USA · Arts, Culture & Humanities · Latest available filing year: 2018 · Primary form: IRS Form 990-PF

  62. Washington County Cares Inc

    EIN 611528003 · Headquarters: HAGERSTOWN, MD, US · Diseases, Disorders & Medical Disciplines · Latest available filing year: 2024 · Primary form: IRS Form 990-N

  63. Washington County Chamber of Commerce Foundation Inc

    EIN 521528630 · Headquarters: HAGERSTOWN, MD, USA · Community Improvement & Capacity Building · Latest available filing year: 2024 · Primary form: IRS Form 990

  64. Washington County Chamber of Commerce Inc

    EIN 520341110 · Headquarters: HAGERSTOWN, MD, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990

  65. Washington County Chapter Izzak Walton League

    EIN 526114151 · Headquarters: HAGERSTOWN, MD, USA · Unknown & Unclassified · Latest available filing year: 2023 · Primary form: IRS Form 990

  66. Washington County Commission on Aging Inc/area Agency on Aging

    EIN 520899001 · Headquarters: HAGERSTOWN, MD, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990

  67. Washington County Community Action Council Inc

    EIN 520817684 · Headquarters: HAGERSTOWN, MD, USA · Human Services · Latest available filing year: 2024 · Primary form: IRS Form 990

  68. Washington County Community Mediation Center Inc

    EIN 522357112 · Headquarters: HAGERSTOWN, MD, USA · Crime & Legal Related · Latest available filing year: 2017 · Primary form: IRS Form 990-EZ

  69. Washington County Council of Churches

    EIN 522095640 · Headquarters: Hagerstown, MD, USA · Religion Related · Latest available filing year: 2024 · Primary form: IRS Form 990

  70. Washington County Dairy Association Inc

    EIN 932576391 · Headquarters: Hagerstown, MD, US · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-N

  71. Washington County Dental Society Inc

    EIN 821728772 · Headquarters: Hagerstown, MD, US · Community Improvement & Capacity Building · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  72. Washington County Extension Advisory Councilinc

    EIN 521452576 · Headquarters: Boonsboro, MD, USA · Unknown & Unclassified · Latest available filing year: 2020 · Primary form: IRS Form 990-EZ

  73. Washington County Farm Bureau Inc

    EIN 520567593 · Headquarters: Clear Spring, MD, US · Unknown & Unclassified · Latest available filing year: 2019 · Primary form: IRS Form 990-N

  74. Washington County Federation of Sportsmens Club Inc

    EIN 522153465 · Headquarters: KEEDYSVILLE, MD, US · Environment · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  75. Washington County Free Library

    EIN 526001038 · Headquarters: HAGERSTOWN, MD, USA · Education · Latest available filing year: 2024 · Primary form: IRS Form 990

  76. Washington County Girls Softball League Inc

    EIN 522097738 · Headquarters: WILLIAMSPORT, MD, US · Recreation & Sports · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  77. Washington County Girls Volleyball Club Inc

    EIN 522146260 · Headquarters: Hagerstown, MD, USA · Youth Development · Latest available filing year: 2020 · Primary form: IRS Form 990-EZ

  78. Washington County Golf Hall of Fame Inc

    EIN 833777612 · Headquarters: Hagerstown, MD, US · Recreation & Sports · Latest available filing year: 2023 · Primary form: IRS Form 990-N

  79. Washington County Historical Society Inc

    EIN 526047982 · Headquarters: HAGERSTOWN, MD, USA · Arts, Culture & Humanities · Latest available filing year: 2024 · Primary form: IRS Form 990

  80. Washington County Historical Trust Inc

    EIN 521543854 · Headquarters: HAGERSTOWN, MD, US · Arts, Culture & Humanities · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  81. Washington County Horse Council

    EIN 810607274 · Headquarters: HAGERSTOWN, MD, US · Education · Latest available filing year: 2023 · Primary form: IRS Form 990-N

  82. Washington County Hospital Nurses Alumni Assoc

    EIN 371623014 · Headquarters: Hagerstown, MD, US · Unknown & Unclassified · Latest available filing year: 2022 · Primary form: IRS Form 990-N

  83. Washington County Housing Solutions

    EIN 461440486 · Headquarters: WILLIAMSPORT, MD, USA · Housing & Shelter · Latest available filing year: 2024 · Primary form: IRS Form 990-EZ

  84. Washington County Human Development Council Inc

    EIN 521123712 · Headquarters: HAGERSTOWN, MD, USA · Human Services · Latest available filing year: 2024 · Primary form: IRS Form 990

  85. Washington County Junior Football League Inc

    EIN 526074062 · Headquarters: HAGERSTOWN, MD, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  86. Washington County Leadership Development Program Inc

    EIN 203530981 · Headquarters: HAGERSTOWN, MD, USA · Education · Latest available filing year: 2024 · Primary form: IRS Form 990

  87. Washington County Maryland Convention and Visitors Bureau Inc

    EIN 521866211 · Headquarters: HAGERSTOWN, MD, USA · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990

  88. Washington County Md Lodge 150 Fop Incorporated

    EIN 861785227 · Headquarters: CLEAR SPRING, MD, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-EZ

  89. Washington County Mennonite Historical Library

    EIN 521986682 · Headquarters: Clear Spring, MD, US · Education · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  90. Washington County Mental Health Authority

    EIN 521689627 · Headquarters: HAGERSTOWN, MD, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990

  91. Washington County Museum of Fine Arts

    EIN 520607950 · Headquarters: HAGERSTOWN, MD, USA · Arts, Culture & Humanities · Latest available filing year: 2024 · Primary form: IRS Form 990

  92. Washington County Northstars High School Hockey Club Incorporated

    EIN 815477973 · Headquarters: Hagerstown, MD, US · Recreation & Sports · Latest available filing year: 2023 · Primary form: IRS Form 990-N

  93. Washington County Public Golf Corporation

    EIN 521593334 · Headquarters: HAGERSTOWN, MD, USA · Recreation & Sports · Latest available filing year: 2024 · Primary form: IRS Form 990

  94. Washington County Restaurant & Beverage Association Inc

    EIN 521706880 · Headquarters: Smithsburg, MD, US · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-N

  95. Washington County Restaurant & Beverage Charitable Foundation Inc

    EIN 521632332 · Headquarters: BOONSBORO, MD, US · Philanthropy, Voluntarism & Grantmaking Foundations · Latest available filing year: 2018 · Primary form: IRS Form 990-N

  96. Washington County Retired Educational Personnel Association

    EIN 521600098 · Headquarters: Clear Spring, MD, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  97. Washington County Running Festival Inc

    EIN 331693784 · Headquarters: HAGERSTOWN, MD, USA · Recreation & Sports · Latest available filing year: 2025 · Primary form: IRS Form 990-EZ

  98. Washington County Show Kids Inc

    EIN 521817223 · Headquarters: BOONSBORO, MD, USA · Arts, Culture & Humanities · Latest available filing year: 2021 · Primary form: IRS Form 990-EZ

  99. Washington County Sports Hall of Fame Inc

    EIN 521481646 · Headquarters: HAGERSTOWN, MD, US · Education · Latest available filing year: 2024 · Primary form: IRS Form 990-N

  100. Washington County St James 4-H Club

    EIN 473066515 · Headquarters: College Park, MD, US · Youth Development · Latest available filing year: 2017 · Primary form: IRS Form 990-N

First page and all pages