Unknown & Unclassified nonprofits in Maryland

Unknown & Unclassified nonprofits in Maryland. Browse 10,672 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. Willow Wildlife Rehabilitation Center

    EIN 934829657 · Headquarters: SEVERN, MD, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-EZ

  2. Willpower Fitness and Education Foundation Corporation

    EIN 991073514 · Headquarters: Poolesville, MD, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  3. Wilson L Heflin Foundation Inc

    EIN 521559154 · Headquarters: Annapolis, MD, USA · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-PF

  4. Wilson Park Improvment Association

    EIN 263961528 · Headquarters: Baltimore, MD, US · Unknown & Unclassified · Latest available filing year: 2014 · Primary form: IRS Form 990-N

  5. Wilson Rhodes Four Locks Hunting & Fishing Club Inc

    EIN 300809241 · Headquarters: HAGERSTOWN, MD, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  6. Wilson Ruritan Club Inc

    EIN 526056636 · Headquarters: HAGERSTOWN, MD, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-EZ

  7. Wilton Acres Residents Association

    EIN 843903121 · Headquarters: Ellicott City, MD, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  8. Wiltondale Improvement Association

    EIN 520810218 · Headquarters: Towson, MD, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990

  9. Win for Democracy Coalition

    EIN 993643317 · Headquarters: Silver Spring, MD, US · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-N

  10. Win Foundation

    EIN 923178913 · Headquarters: WINDSOR MILL, MD, USA · Unknown & Unclassified · Latest available filing year: 2023 · Primary form: IRS Form 990-PF

  11. Winchester on Severn Association Inc

    EIN 526050542 · Headquarters: Arnold, MD, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  12. Wings of Isaiah Learning Circle Inc

    EIN 871251678 · Headquarters: EASTON, MD, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  13. Winslow House Inc

    EIN 260040672 · Headquarters: Rockville, MD, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990

  14. Winter Wonderland Inc

    EIN 853353909 · Headquarters: BEL AIR, MD, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-EZ

  15. Winthrop University PAD Prelaw Chapter

    EIN 822355611 · Headquarters: TOWSON, MD, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  16. Wisdom Forums Inc

    EIN 814737000 · Headquarters: bowie, MD, US · Unknown & Unclassified · Latest available filing year: 2016 · Primary form: IRS Form 990-N

  17. Wise Avenue Volunteer Fire Company Inc

    EIN 521094133 · Headquarters: BALTIMORE, MD, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990

  18. Wise Org Inc

    EIN 812702621 · Headquarters: Crofton, MD, US · Unknown & Unclassified · Latest available filing year: 2021 · Primary form: IRS Form 990-N

  19. Without Walls Restoration Ministry

    EIN 922907149 · Headquarters: GREENSBORO, MD, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  20. Wmda Service Station & Automotive Repair Association

    EIN 520880270 · Headquarters: BOWIE, MD, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990

  21. Wolfsville Elementary

    EIN 237030637 · Headquarters: Myersville, MD, US · Unknown & Unclassified · Latest available filing year: 2021 · Primary form: IRS Form 990-N

  22. Wolfsville Volunteer Fire Company Inc

    EIN 521474545 · Headquarters: MYERSVILLE, MD, USA · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990

  23. Woman Confidential Inc

    EIN 814097818 · Headquarters: ABINGDON, MD, USA · Unknown & Unclassified · Latest available filing year: 2018 · Primary form: IRS Form 990-EZ

  24. Woman's Club of Bethesda Inc

    EIN 520574962 · Headquarters: BETHESDA, MD, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990

  25. Womans Club of Chevy Chase MD Inc

    EIN 520534893 · Headquarters: Chevy Chase, MD, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990

  26. Womans Club of St Michaels Inc

    EIN 526043032 · Headquarters: ST MICHAELS, MD, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-EZ

  27. Women Ambassadors for Business Inc

    EIN 271779380 · Headquarters: Potomac, MD, US · Unknown & Unclassified · Latest available filing year: 2011 · Primary form: IRS Form 990-N

  28. Women Business Owners - Prince Georges County Inc

    EIN 521611479 · Headquarters: Upper Marlboro, MD, US · Unknown & Unclassified · Latest available filing year: 2019 · Primary form: IRS Form 990-N

  29. Women Business Owners of Montgomery County

    EIN 521741287 · Headquarters: Derwood, MD, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  30. Women Defending Democracy

    EIN 923876061 · Headquarters: Silver Spring, MD, US · Unknown & Unclassified · Latest available filing year: 2023 · Primary form: IRS Form 990-N

  31. Women in Harmony

    EIN 542190722 · Headquarters: Sunderland, MD, US · Unknown & Unclassified · Latest available filing year: 2009 · Primary form: IRS Form 990-N

  32. Women Make Media Corporation

    EIN 472436870 · Headquarters: Baltimore, MD, US · Unknown & Unclassified · Latest available filing year: 2015 · Primary form: IRS Form 990-N

  33. Women Marines Association

    EIN 237106848 · Headquarters: Upper Marlboro, MD, US · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-N

  34. Women Organized Resources for Liberia Development World

    EIN 521709433 · Headquarters: Pikesville, MD, US · Unknown & Unclassified · Latest available filing year: 2009 · Primary form: IRS Form 990-N

  35. Women Wine& Wisdom

    EIN 843154946 · Headquarters: Baltimore, MD, US · Unknown & Unclassified · Latest available filing year: 2020 · Primary form: IRS Form 990-N

  36. Women Working Wonders Inc

    EIN 922591068 · Headquarters: Frederick, MD, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  37. Women's Alliance for Theology Ethics and Ritual Inc

    EIN 521294077 · Headquarters: SILVER SPRING, MD, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990

  38. Women's Housing Development Inc

    EIN 521636366 · Headquarters: BALTIMORE, MD, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990

  39. Womens Advocacy Coalition Baltimore Inc

    EIN 825422846 · Headquarters: baltimore, MD, US · Unknown & Unclassified · Latest available filing year: 2022 · Primary form: IRS Form 990-N

  40. Womens Bar Association of Maryland Inc

    EIN 475116540 · Headquarters: Silver Spring, MD, US · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-N

  41. Womens Bar Association of Maryland Inc

    EIN 475243389 · Headquarters: Silver Spring, MD, US · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-N

  42. Womens Bar Association of Maryland Inc

    EIN 521057198 · Headquarters: SILVER SPRING, MD, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-EZ

  43. Womens Bar Association of Maryland Inc

    EIN 521517289 · Headquarters: Silver Spring, MD, US · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-N

  44. Womens Bar Association of Maryland Inc

    EIN 521664473 · Headquarters: Silver Spring, MD, US · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-N

  45. Womens Bar Association of Maryland Inc

    EIN 521755703 · Headquarters: Silver Spring, MD, US · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-N

  46. Womens Bar Association of Maryland Inc

    EIN 521843154 · Headquarters: Silver Spring, MD, US · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-N

  47. Womens Bar Association of Maryland Inc

    EIN 521956331 · Headquarters: Silver Spring, MD, US · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-N

  48. Womens Bar Association of Maryland Inc

    EIN 521959457 · Headquarters: Rockville, MD, US · Unknown & Unclassified · Latest available filing year: 2020 · Primary form: IRS Form 990-N

  49. Womens Bar Association of Maryland Inc

    EIN 521976515 · Headquarters: Silver Spring, MD, US · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-N

  50. Womens Bar Association of Maryland Inc

    EIN 911815806 · Headquarters: Silver Spring, MD, US · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-N

  51. Womens Bar Association of Maryland Inc

    EIN 911815810 · Headquarters: Silver Spring, MD, US · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-N

  52. Womens Club at Hagerstown Inc

    EIN 520534940 · Headquarters: HAGERSTOWN, MD, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990

  53. Womens Club of Denton Inc

    EIN 521326455 · Headquarters: Denton, MD, US · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-N

  54. Womens Committee of the German Orphan Home

    EIN 521067456 · Headquarters: Oxon Hill, MD, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  55. Womens Council of Realtors Greater Baltimore Chapter

    EIN 472808421 · Headquarters: TIMONIUM, MD, US · Unknown & Unclassified · Latest available filing year: 2018 · Primary form: IRS Form 990-N

  56. Womens Golf Association of Baltimore

    EIN 311559496 · Headquarters: Lutherville, MD, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-EZ

  57. Womens Growth Center

    EIN 521012552 · Headquarters: BALTIMORE, MD, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-EZ

  58. Womens Leadership Advancement for Democracy - Sl

    EIN 882443780 · Headquarters: Montgomery Village, MD, US · Unknown & Unclassified · Latest available filing year: 2023 · Primary form: IRS Form 990-N

  59. Womens Transportaion Seminar of Baltimore Inc

    EIN 521565746 · Headquarters: Baltimore, MD, USA · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-EZ

  60. Wonders Early Learning Extended Day

    EIN 521055687 · Headquarters: CHEVY CHASE, MD, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990

  61. Wongele Zelalem Inc

    EIN 874280840 · Headquarters: Laurel, MD, US · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-N

  62. Wood Acres Elementary School Pta Inc

    EIN 521310626 · Headquarters: BETHESDA, MD, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-EZ

  63. Wood Machinery Manufacturers of America

    EIN 236273062 · Headquarters: FOREST HILL, MD, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-EZ

  64. Woodbine Reunions

    EIN 473650557 · Headquarters: Bowie, MD, US · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-N

  65. Woodbridge Forest Homeowners Association Inc

    EIN 521595645 · Headquarters: Severna Park, MD, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  66. Woodbridge Valley Improvement and Civic Association

    EIN 237107337 · Headquarters: Catonsville, MD, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  67. Woodlake Community Association Inc Co American Community Management

    EIN 521043797 · Headquarters: LINTHICUM HEIGHTS, MD, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-EZ

  68. Woodlark Homeowners and Neighbors Association Whna Inc

    EIN 861061192 · Headquarters: Lanham, MD, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  69. Woodlawn Community Association Inc

    EIN 834553661 · Headquarters: Hyattsville, MD, USA · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-EZ

  70. Woodley Gardens Garden Club

    EIN 800601634 · Headquarters: Rockville, MD, US · Unknown & Unclassified · Latest available filing year: 2023 · Primary form: IRS Form 990-N

  71. Woodlore Homeowners Association Inc

    EIN 800381267 · Headquarters: Annapolis, MD, US · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-N

  72. Woodmen of the World Life Insurance Society

    EIN 237628887 · Headquarters: Smithsburg, MD, US · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-N

  73. Woodmen of the World Life Insurance Society

    EIN 237628889 · Headquarters: CRESAPTOWN, MD, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  74. Woodmen of the World Life Insurance Society

    EIN 237628890 · Headquarters: OAKLAND, MD, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  75. Woodmen of the World Life Insurance Society

    EIN 237628891 · Headquarters: CHESAPEAKE BEACH, MD, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  76. Woodmen of the World Life Insurance Society

    EIN 237628893 · Headquarters: FRIENDSVILLE, MD, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  77. Woodmen of the World Life Insurance Society

    EIN 261648577 · Headquarters: GRANTSVILLE, MD, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  78. Woodmen of the World Omaha Woodmen Life Insurance Society

    EIN 237628892 · Headquarters: BITTINGER, MD, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  79. Woodmont Country Club

    EIN 520535740 · Headquarters: Rockville, Maryland, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990

  80. Woodmoor Pinecrest Citizens Association

    EIN 521486575 · Headquarters: Silver Spring, MD, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  81. Woodsboro American Legion Inc

    EIN 520803433 · Headquarters: Woodsboro, MD, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990

  82. Woodside Park Civic Asso Inc

    EIN 526055546 · Headquarters: Silver Spring, MD, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  83. Worcester County 4 H Ffa Fair Inc

    EIN 521358485 · Headquarters: Snow Hill, MD, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  84. Worcester County Arts Council Inc

    EIN 521083071 · Headquarters: BERLIN, MD, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990

  85. Worcester County Educational Support Personnel Inc

    EIN 912120836 · Headquarters: Salisbury, MD, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  86. Worcester County Extension Advisory Council Inc

    EIN 521422119 · Headquarters: Snow Hill, MD, US · Unknown & Unclassified · Latest available filing year: 2022 · Primary form: IRS Form 990-N

  87. Worcester County Farm Bureau Inc

    EIN 520679201 · Headquarters: SNOW HILL, MD, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-EZ

  88. Worcester County Historical Society Incorporated

    EIN 526080789 · Headquarters: Snow Hill, MD, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  89. Word Among Us Inc

    EIN 521320592 · Headquarters: FREDERICK, MD, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990

  90. Word of Restoration and Deliverance Ministries

    EIN 851704928 · Headquarters: Ellicott City, MD, US · Unknown & Unclassified · Latest available filing year: 2020 · Primary form: IRS Form 990-N

  91. Wordsworth Coleridge Association Inc

    EIN 863424986 · Headquarters: Cambridge, MD, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  92. Workforce Solutions Associates Inc

    EIN 474184737 · Headquarters: Aspen Hill, MD, US · Unknown & Unclassified · Latest available filing year: 2014 · Primary form: IRS Form 990-N

  93. Working Artists Forum Inc

    EIN 521742023 · Headquarters: EASTON, MD, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-EZ

  94. Workmans Circle Cemetery Assoc

    EIN 520536413 · Headquarters: Baltimore, MD, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  95. World Class Grads - Maryland Inc

    EIN 871118272 · Headquarters: ANNAPOLIS, MD, USA · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-EZ

  96. World of Words Inc

    EIN 263410755 · Headquarters: Baltimore, MD, US · Unknown & Unclassified · Latest available filing year: 2009 · Primary form: IRS Form 990-N

  97. World Stop Stuttering Associat

    EIN 871648458 · Headquarters: Potomac, MD, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990

  98. World Trade Center Institute Inc

    EIN 521591820 · Headquarters: BALTIMORE, MD, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990

  99. World United Guru Nanak Foundation

    EIN 464496161 · Headquarters: Takoma Park, MD, US · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-N

  100. World United Youth Movement Against Poverty

    EIN 800968959 · Headquarters: Baltimore, MD, US · Unknown & Unclassified · Latest available filing year: 2015 · Primary form: IRS Form 990-N

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