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. Washington DC Meals on Wheels Inc

    EIN 520943628 · Headquarters: Takoma Park, MD, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990

  2. Washington Guild of Goldsmiths Inc

    EIN 853118004 · Headquarters: Silver Spring, MD, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  3. Washington High Alumni & Friends

    EIN 812549054 · Headquarters: Princess Anne, MD, US · Unknown & Unclassified · Latest available filing year: 2020 · Primary form: IRS Form 990-N

  4. Washington Institute of Foreign Affairs

    EIN 536019582 · Headquarters: ROCKVILLE, MD, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-EZ

  5. Washington Mailers Union No 29

    EIN 526049760 · Headquarters: UPPER MARLBORO, MD, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-EZ

  6. Washington Metropolitan Golf Association Inc

    EIN 541219991 · Headquarters: Arnold, MD, USA · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-EZ

  7. Washington Metropolitan Society of Health-system Pharmacists

    EIN 521336630 · Headquarters: SILVER SPRING, MD, USA · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-EZ

  8. Washington Metropolitan Tamil Congregation Indians

    EIN 521816640 · Headquarters: Hyattsville, MD, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990

  9. Washington Ophthalmological Society Inc CO Dr Jacquelyn Weber

    EIN 521609832 · Headquarters: Chevy Chase, MD, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-EZ

  10. Washington PAD Law Chapter

    EIN 271701354 · Headquarters: TOWSON, MD, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  11. Washington Psychiatric Society

    EIN 237001446 · Headquarters: SEVERNA PARK, MD, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990

  12. Washington Recorder Society

    EIN 521157153 · Headquarters: Gaithersburg, MD, US · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-N

  13. Washington Science Fiction Association Inc

    EIN 521468087 · Headquarters: Rockville, MD, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  14. Washington Society of Engineers

    EIN 526049968 · Headquarters: Glen Echo, MD, US · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-N

  15. Washington Street Association

    EIN 464732860 · Headquarters: Cumberland, MD, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  16. Washington Suburban Master Plumbers Association

    EIN 526015657 · Headquarters: Damascus, MD, USA · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-EZ

  17. Washington Suburban Sanitary Commission-employees Fitness Cente

    EIN 521762447 · Headquarters: LAUREL, MD, USA · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-EZ

  18. Washington Toho Koto Society Inc

    EIN 521225597 · Headquarters: Silver Spring, MD, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  19. Washington-allegany Residence Inc Phase I and Ii

    EIN 521297274 · Headquarters: FREDERICK, MD, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-EZ

  20. Washington-Rockville Lodge #15 BPOE

    EIN 237583715 · Headquarters: Rockville, MD, USA · Unknown & Unclassified · Latest available filing year: 2022 · Primary form: IRS Form 990

  21. Wat Tummmaprateip Washington Dc

    EIN 521373017 · Headquarters: ACCOKEEK, MD, USA · Unknown & Unclassified · Latest available filing year: 2021 · Primary form: IRS Form 990

  22. Watchmen Ministerial Alliance-one Voice

    EIN 472775184 · Headquarters: Salisbury, MD, US · Unknown & Unclassified · Latest available filing year: 2017 · Primary form: IRS Form 990-N

  23. Watergate Improvement Association Inc

    EIN 237277582 · Headquarters: Annapolis, MD, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  24. Watermens Association of St Marys Inc

    EIN 521989817 · Headquarters: Colton Point, MD, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  25. Watermont Swim Club Inc

    EIN 520820155 · Headquarters: ELKRIDGE, MD, USA · Unknown & Unclassified · Latest available filing year: 2023 · Primary form: IRS Form 990-EZ

  26. Watershed Row Fund

    EIN 993147072 · Headquarters: Fulton, MD, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990

  27. Watkins Farm for Our Future

    EIN 465439646 · Headquarters: Elkton, MD, US · Unknown & Unclassified · Latest available filing year: 2016 · Primary form: IRS Form 990-N

  28. Watts Ministries International

    EIN 275092729 · Headquarters: Fort Washington, MD, US · Unknown & Unclassified · Latest available filing year: 2013 · Primary form: IRS Form 990-N

  29. Waugh Chapel Swim Club Inc

    EIN 520977892 · Headquarters: GAMBRILLS, MD, USA · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990

  30. Waverly Improvement Association Inc

    EIN 521099887 · Headquarters: Baltimore, MD, US · Unknown & Unclassified · Latest available filing year: 2023 · Primary form: IRS Form 990-N

  31. Wayside Elementary School Pta Delaware Congress

    EIN 521486982 · Headquarters: Potomac, MD, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-EZ

  32. We Consult

    EIN 822038485 · Headquarters: CATONSVILLE, MD, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  33. We Do Robotics Club - Staffeldt

    EIN 383929092 · Headquarters: Salisbury, MD, US · Unknown & Unclassified · Latest available filing year: 2014 · Primary form: IRS Form 990-N

  34. We Still Do Inc

    EIN 462703614 · Headquarters: Baltimore, MD, US · Unknown & Unclassified · Latest available filing year: 2022 · Primary form: IRS Form 990-N

  35. Weachieve Inc

    EIN 520623695 · Headquarters: SILVER SPRING, MD, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990

  36. Weben Recycling Project Incorporated

    EIN 475617215 · Headquarters: Baltimore, MD, US · Unknown & Unclassified · Latest available filing year: 2016 · Primary form: IRS Form 990-N

  37. Weiss Foundation for Ethnographic Research

    EIN 521372300 · Headquarters: BETHESDA, MD, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-PF

  38. Welcome Financial Literacy Institute

    EIN 932937787 · Headquarters: ELLICOTT CITY, MD, US · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-N

  39. Wellness Champions Inc

    EIN 365142511 · Headquarters: Nottingham, MD, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  40. Wells House Inc

    EIN 521368952 · Headquarters: HAGERSTOWN, MD, USA · Unknown & Unclassified · Latest available filing year: 2022 · Primary form: IRS Form 990

  41. Wellspring Incorporated

    EIN 371610498 · Headquarters: Bowie, MD, US · Unknown & Unclassified · Latest available filing year: 2012 · Primary form: IRS Form 990-N

  42. Wellthy Communities Inc

    EIN 824496186 · Headquarters: Lanham, MD, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  43. Welsh Harp Society of North America Incorporated

    EIN 431359491 · Headquarters: College Park, MD, US · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-N

  44. Werner Plot of the Finzel Cemetery Inc

    EIN 521383346 · Headquarters: Frostburg, MD, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  45. Wesley M E Church Preservation Group Inc

    EIN 861958843 · Headquarters: Denton, MD, US · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-N

  46. Wesmond Townhouse Association Inc

    EIN 521040490 · Headquarters: Poolesville, MD, US · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-N

  47. West Annapolis Business Affiliation Inc

    EIN 272135764 · Headquarters: ANNAPOLIS, MD, US · Unknown & Unclassified · Latest available filing year: 2016 · Primary form: IRS Form 990-N

  48. West Annapolis Elementary PTA

    EIN 237031023 · Headquarters: Annapolis, MD, US · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-N

  49. West Arundel Swim Club Inc

    EIN 526070332 · Headquarters: Laurel, MD, USA · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-EZ

  50. West Baltimore Renaissance Foundation Inc

    EIN 843355332 · Headquarters: BALTIMORE, MD, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990

  51. West Frederick Farmers Market Llc

    EIN 811694464 · Headquarters: FREDERICK, MD, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  52. West Irvin Heights Community Association

    EIN 521794520 · Headquarters: HAGERSTOWN, MD, USA · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-EZ

  53. West Lanham Hills Citizens Association Inc

    EIN 526056428 · Headquarters: Hyattsville, MD, US · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-N

  54. West Laurel Swim Club Incorporated

    EIN 520894833 · Headquarters: Laurel, MD, USA · Unknown & Unclassified · Latest available filing year: 2023 · Primary form: IRS Form 990

  55. West Ocean City Association Inc

    EIN 521749224 · Headquarters: Ocean City, MD, US · Unknown & Unclassified · Latest available filing year: 2023 · Primary form: IRS Form 990-N

  56. West Point Class of 1966 Inc

    EIN 270305922 · Headquarters: Potomac, MD, US · Unknown & Unclassified · Latest available filing year: 2021 · Primary form: IRS Form 990-N

  57. West River Sailing Club Inc

    EIN 520794964 · Headquarters: GALESVILLE, MD, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990

  58. West Salisbury Little League

    EIN 911928028 · Headquarters: SALISBURY, MD, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-EZ

  59. West Shady Side Civic Association Inc

    EIN 521462203 · Headquarters: Shady Side, MD, US · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-N

  60. West Side Historical Society Inc

    EIN 521591937 · Headquarters: Mardela Springs, MD, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  61. West Side Volunteer Fire Department Inc

    EIN 521100840 · Headquarters: SALISBURY, MD, USA · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990

  62. West Texas A&M University Student Chapter

    EIN 263622822 · Headquarters: Bethesda, MD, US · Unknown & Unclassified · Latest available filing year: 2023 · Primary form: IRS Form 990-N

  63. West Towson Elementary School Pta

    EIN 320313086 · Headquarters: Towson, MD, US · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-N

  64. West View Shores Civic Association Inc

    EIN 237050139 · Headquarters: EARLEVILLE, MD, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  65. West Virginia University PAD Prelaw Chapter

    EIN 815392103 · Headquarters: TOWSON, MD, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  66. West Virginia University Student Chapter

    EIN 237035927 · Headquarters: Bethesda, MD, US · Unknown & Unclassified · Latest available filing year: 2023 · Primary form: IRS Form 990-N

  67. Westbrook Elementary School Pta Inc

    EIN 521308163 · Headquarters: BETHESDA, MD, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-EZ

  68. Westchester Center Foundation Inc

    EIN 521904738 · Headquarters: ELLICOTT CITY, MD, USA · Unknown & Unclassified · Latest available filing year: 2023 · Primary form: IRS Form 990-EZ

  69. Westchester Kennel Club

    EIN 136168634 · Headquarters: BEL AIR, MD, USA · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-EZ

  70. Western Carolina University PAD Prelaw Chapter

    EIN 943103948 · Headquarters: TOWSON, MD, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  71. Western Chesapeake Properties of Calvert C/o the Arc of Southern Maryland

    EIN 521164181 · Headquarters: PRINCE FREDERICK, MD, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990

  72. Western District Community Relations Council Inc

    EIN 300960541 · Headquarters: Baltimore, MD, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  73. Western Enterprise Fire Co No 4

    EIN 521509776 · Headquarters: HAGERSTOWN, MD, USA · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990

  74. Western High School Alumnae Association Inc

    EIN 521585621 · Headquarters: Baltimore, MD, US · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-N

  75. Western Illinois University PAD Prelaw Chapter

    EIN 271711989 · Headquarters: TOWSON, MD, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  76. Western Kentucky University-Bowling Green PAD Prelaw Chapter

    EIN 473603347 · Headquarters: TOWSON, MD, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  77. Western Maryland Area Health Education Center Inc

    EIN 521183533 · Headquarters: CUMBERLAND, MD, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990

  78. Western Maryland Chapter National Railway Historical Society Incorpo

    EIN 311196903 · Headquarters: Cumberland, MD, US · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-N

  79. Western Maryland Health Care Corporation

    EIN 237300642 · Headquarters: OAKLAND, MD, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990

  80. Western Maryland State Initiative

    EIN 463864231 · Headquarters: New Windsor, MD, US · Unknown & Unclassified · Latest available filing year: 2014 · Primary form: IRS Form 990-N

  81. Western Maryland Wheelmen

    EIN 043853109 · Headquarters: Frostburg, MD, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  82. Western Md Center Auxiliary

    EIN 521172545 · Headquarters: HAGERSTOWN, MD, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  83. Western Mryland Moose Legion No 218

    EIN 522129923 · Headquarters: Union Bridge, MD, US · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-N

  84. Western Oregon University PAD Prelaw Chapter

    EIN 943324331 · Headquarters: TOWSON, MD, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  85. Western Orthopaedic Association

    EIN 941379470 · Headquarters: TOWSON, MD, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990

  86. Western State Colorado University Student Chapter

    EIN 272291097 · Headquarters: Bethesda, MD, US · Unknown & Unclassified · Latest available filing year: 2023 · Primary form: IRS Form 990-N

  87. WesternMD Railway Historical Society

    EIN 526075969 · Headquarters: Union Bridge, MD, USA · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990

  88. Westernport Bulldog 4 H Club

    EIN 473919815 · Headquarters: Cumberland, MD, US · Unknown & Unclassified · Latest available filing year: 2015 · Primary form: IRS Form 990-N

  89. Westlake Park Recreational Council Inc

    EIN 521219444 · Headquarters: BETHESDA, MD, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-EZ

  90. Westlake-troop 8 Bsa Memorial Foundation Inc

    EIN 526048032 · Headquarters: CHEVY CHASE, MD, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  91. Westleigh Recreation Club Inc

    EIN 521063744 · Headquarters: GAITHERSBURG, MD, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990

  92. Westminister Lodge NO 1381 Loyal Order of Moose

    EIN 520395672 · Headquarters: Westminster, MD, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990

  93. Westminster College PAD Prelaw Chapter

    EIN 912025812 · Headquarters: TOWSON, MD, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  94. Westminster Elks No 2277

    EIN 520822893 · Headquarters: WESTMINSTER, MD, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990

  95. Westminster Rotary Club

    EIN 526055456 · Headquarters: WESTMINSTER, MD, US · Unknown & Unclassified · Latest available filing year: 2021 · Primary form: IRS Form 990-N

  96. Westmoreland Hills Citizens Association Incorporated

    EIN 521066225 · Headquarters: BETHESDA, MD, US · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-N

  97. Westmoreland Hills Garden Club

    EIN 526074493 · Headquarters: Bethesda, MD, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  98. Westport Rod & Gun Club Inc

    EIN 237134101 · Headquarters: EDGEWATER, MD, USA · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990

  99. Westview Park Improvement and Civic Association Inc

    EIN 521034470 · Headquarters: Catonsville, MD, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  100. Wetlands Working Group

    EIN 451647166 · Headquarters: Bethesda, MD, US · Unknown & Unclassified · Latest available filing year: 2023 · Primary form: IRS Form 990-N

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