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. Rocky Mountain Oncology Society

    EIN 841181046 · Headquarters: ROCKVILLE, MD, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990

  2. Rocky Springs Union Church

    EIN 020749130 · Headquarters: Frederick, MD, US · Unknown & Unclassified · Latest available filing year: 2013 · Primary form: IRS Form 990-N

  3. Rodger Snyder Memorial Ladies Auxiliary # 117

    EIN 521488474 · Headquarters: TIMONIUM, MD, US · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-N

  4. Rodgers Forge Community Inc

    EIN 520781747 · Headquarters: Riderwood, MD, US · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-N

  5. Rogcoc Scholarship Fund Inc

    EIN 521747839 · Headquarters: Reisterstown, MD, US · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-N

  6. Roger Williams University PAD Prelaw Chapter

    EIN 271709302 · Headquarters: TOWSON, MD, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  7. Rogers-wilbur Foundation Inc

    EIN 136103945 · Headquarters: CROWNSVILLE, MD, USA · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-PF

  8. Rohauer Collection Foundation Inc

    EIN 133578176 · Headquarters: CROWNSVILLE, MD, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-PF

  9. Roland Park Baseball Leagues Inc

    EIN 526042913 · Headquarters: BALTIMORE, MD, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990

  10. Roland Park Civic League

    EIN 526042923 · Headquarters: BALTIMORE, MD, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  11. Roland Park Roads and Maintenance Corp

    EIN 520464250 · Headquarters: Baltimore, MD, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990

  12. Roland Park Swimming Pool Inc

    EIN 520686634 · Headquarters: BALTIMORE, MD, USA · Unknown & Unclassified · Latest available filing year: 2023 · Primary form: IRS Form 990

  13. Rolling Hills Womans Club Incorporated

    EIN 237158409 · Headquarters: Baltimore, MD, US · Unknown & Unclassified · Latest available filing year: 2008 · Primary form: IRS Form 990-N

  14. Rolling Road Golf Club

    EIN 520707638 · Headquarters: Catonsville, MD, US · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990

  15. Rolling Thunder Inc Maryland 1

    EIN 205531501 · Headquarters: FORT WASHINGTON, MD, USA · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-EZ

  16. Rollingcrest Commons Inc

    EIN 204714838 · Headquarters: Rockville, MD, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-EZ

  17. Rollingwood Citizens Association Inc

    EIN 521278995 · Headquarters: Chevy Chase, MD, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  18. Rollingwood Pool Inc

    EIN 520711903 · Headquarters: BALTIMORE, MD, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990

  19. Rollins-luetkemeyer Foundation Inc

    EIN 526041536 · Headquarters: BALTIMORE, MD, USA · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-PF

  20. Room to Rebloom

    EIN 461860354 · Headquarters: Silver Spring, MD, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  21. Root and Reason Classical Inc

    EIN 412480966 · Headquarters: New Market, MD, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  22. Root Branch Arts and Outreach Institute Inc

    EIN 853467515 · Headquarters: Baltimore, MD, US · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-N

  23. Roots to Wellness

    EIN 472837633 · Headquarters: Frederick, MD, US · Unknown & Unclassified · Latest available filing year: 2015 · Primary form: IRS Form 990-N

  24. Rosaria Comm in Colesvilleinc

    EIN 472866071 · Headquarters: OLNEY, MD, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990

  25. Rosaria Comm in Olney Inc

    EIN 461772734 · Headquarters: OLNEY, MD, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990

  26. Rosaria Commin Montgomery Co Inc

    EIN 813959808 · Headquarters: OLNEY, MD, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990

  27. Rosaria Commin Silver Spring Inc

    EIN 611669768 · Headquarters: OLNEY, MD, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990

  28. Rosaria Communities Foundation Inc

    EIN 472852593 · Headquarters: OLNEY, MD, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990

  29. Rosaryville Conservavcy Inc

    EIN 521769801 · Headquarters: Upper Marlboro, MD, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  30. Rose Haven Civic Association Incorporated

    EIN 462332919 · Headquarters: North Beach, MD, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  31. Rose Hill Cemetery of Hagerstown

    EIN 520464990 · Headquarters: HAGERSTOWN, MD, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990

  32. RoseBank Cemetery Association

    EIN 520464890 · Headquarters: Rising Sun, MD, USA · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990

  33. Rosedale Voluteer Fire Company Inc

    EIN 521444901 · Headquarters: ROSEDALE, MD, USA · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990

  34. Rosemont Citizens Association Inc

    EIN 474364056 · Headquarters: Gaithersburg, MD, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  35. Rosemont Elementary

    EIN 526070574 · Headquarters: Gaithersburg, MD, US · Unknown & Unclassified · Latest available filing year: 2023 · Primary form: IRS Form 990-N

  36. Ross Cove Beach Association Inc

    EIN 237088085 · Headquarters: Pasadena, MD, US · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-N

  37. Rotacare Maryland Inc

    EIN 880680723 · Headquarters: ROCKVILLE, MD, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  38. Rotary Club of Annapolis Inc

    EIN 526056583 · Headquarters: ANNAPOLIS, MD, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-EZ

  39. Rotary Club of Bonds Meadow at Westminster

    EIN 521881490 · Headquarters: WESTMINSTER, MD, US · Unknown & Unclassified · Latest available filing year: 2020 · Primary form: IRS Form 990-N

  40. Rotary Club of Charles County (La Plata) Maryland Inc

    EIN 521236616 · Headquarters: LA PLATA, MD, US · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-N

  41. Rotary Club of College Park Trustee

    EIN 237064184 · Headquarters: COLLEGE PARK, MD, USA · Unknown & Unclassified · Latest available filing year: 2023 · Primary form: IRS Form 990-EZ

  42. Rotary Club of Columbia Patuxent Charitable Trust

    EIN 526385515 · Headquarters: Columbia, MD, USA · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-EZ

  43. Rotary Club of Columbia Patuxent Inc

    EIN 521590128 · Headquarters: Columbia, MD, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-EZ

  44. Rotary Club of Cumberland Maryland

    EIN 520742204 · Headquarters: CUMBERLAND, MD, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-EZ

  45. Rotary Club of Denton Maryland Inc

    EIN 521835453 · Headquarters: Denton, MD, US · Unknown & Unclassified · Latest available filing year: 2022 · Primary form: IRS Form 990-N

  46. Rotary Club of Fredericktowne Rotary International

    EIN 521445890 · Headquarters: Frederick, MD, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-EZ

  47. Rotary Club of Hagerstown Charitable Foundation Inc

    EIN 521192780 · Headquarters: HAGERSTOWN, MD, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-EZ

  48. Rotary Club of Hagerstown Maryland Rotary International

    EIN 526055457 · Headquarters: HAGERSTOWN, MD, USA · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-EZ

  49. Rotary Club of Montgomery Village

    EIN 521755242 · Headquarters: MONTGOMERY VILLAGE, MD, US · Unknown & Unclassified · Latest available filing year: 2022 · Primary form: IRS Form 990-N

  50. Rotary Club of New Market

    EIN 842526502 · Headquarters: New Market, MD, US · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-N

  51. Rotary Club Of Parole AnnaMaryland Inc

    EIN 521433102 · Headquarters: Annapolis, MD, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-EZ

  52. Rotary Club of Pikesville-owings Mills

    EIN 526056550 · Headquarters: Baltimore, MD, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  53. Rotary Club of Salisbury Maryland USA Inc

    EIN 522238562 · Headquarters: Salisbury, MD, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-EZ

  54. Rotary Club of South Anne Arundel County

    EIN 202424567 · Headquarters: EDGEWATER, MD, US · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-N

  55. Rotary Club of St Marys County (Lexingto N Park) Maryland Inc

    EIN 526055289 · Headquarters: LEXINGTON PARK, MD, US · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-N

  56. Rotary Club of West Anne Arundel Country Inc

    EIN 522352936 · Headquarters: Odenton, MD, US · Unknown & Unclassified · Latest available filing year: 2009 · Primary form: IRS Form 990-N

  57. Rotary Club of Wicomico County

    EIN 521600875 · Headquarters: SALISBURY, MD, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-EZ

  58. Rotary E-Club of Maryland D7620 Maryland USA

    EIN 853246890 · Headquarters: Odenton, MD, US · Unknown & Unclassified · Latest available filing year: 2020 · Primary form: IRS Form 990-N

  59. Rotary International

    EIN 237009977 · Headquarters: Columbia, MD, US · Unknown & Unclassified · Latest available filing year: 2022 · Primary form: IRS Form 990-N

  60. Rotary International

    EIN 262290303 · Headquarters: ANNAPOLIS, MD, US · Unknown & Unclassified · Latest available filing year: 2020 · Primary form: IRS Form 990-N

  61. Rotary International

    EIN 474197957 · Headquarters: Silver Spring, MD, US · Unknown & Unclassified · Latest available filing year: 2020 · Primary form: IRS Form 990-N

  62. Rotary International

    EIN 520466100 · Headquarters: Baltimore, MD, US · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-N

  63. Rotary International

    EIN 521315779 · Headquarters: Grantsville, MD, US · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-N

  64. Rotary International

    EIN 521639167 · Headquarters: Hunt Valley, MD, US · Unknown & Unclassified · Latest available filing year: 2023 · Primary form: IRS Form 990-N

  65. Rotary International

    EIN 521695493 · Headquarters: North East, MD, US · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-N

  66. Rotary International

    EIN 521703064 · Headquarters: Potomac, MD, US · Unknown & Unclassified · Latest available filing year: 2020 · Primary form: IRS Form 990-N

  67. Rotary International

    EIN 521724300 · Headquarters: Ellicott City, MD, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-PF

  68. Rotary International

    EIN 521825247 · Headquarters: Salisbury, MD, US · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-N

  69. Rotary International

    EIN 521849685 · Headquarters: Chevy Chase, MD, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  70. Rotary International

    EIN 521946210 · Headquarters: Leonardtown, MD, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  71. Rotary International

    EIN 522202585 · Headquarters: Cambridge, MD, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  72. Rotary International

    EIN 524066110 · Headquarters: Frederick, MD, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990

  73. Rotary International

    EIN 526045818 · Headquarters: Havre de Grace, MD, US · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-N

  74. Rotary International

    EIN 526049637 · Headquarters: Abingdon, MD, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  75. Rotary International

    EIN 526054813 · Headquarters: HANCOCK, MD, US · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-N

  76. Rotary International

    EIN 526056397 · Headquarters: Ellicott City, MD, US · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-N

  77. Rotary International

    EIN 526056584 · Headquarters: Prince Frederick, MD, US · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-N

  78. Rotary International

    EIN 526057260 · Headquarters: BERLIN, MD, US · Unknown & Unclassified · Latest available filing year: 2019 · Primary form: IRS Form 990-N

  79. Rotary International

    EIN 526078050 · Headquarters: CHESTERTOWN, MD, USA · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-EZ

  80. Rotary International

    EIN 526078055 · Headquarters: Elkton, MD, US · Unknown & Unclassified · Latest available filing year: 2022 · Primary form: IRS Form 990-N

  81. Rotary International

    EIN 526078056 · Headquarters: GAITHERSBURG, MD, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  82. Rotary International

    EIN 526078061 · Headquarters: Berlin, MD, US · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-N

  83. Rotary International

    EIN 526078063 · Headquarters: Lusby, MD, US · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-N

  84. Rotary International

    EIN 526078066 · Headquarters: St Michaels, MD, US · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-N

  85. Rotary International

    EIN 843660696 · Headquarters: BETHESDA, MD, US · Unknown & Unclassified · Latest available filing year: 2022 · Primary form: IRS Form 990-N

  86. Rotary International

    EIN 850523210 · Headquarters: Hunt Valley, MD, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  87. Rotary International Centreville Rotary Club

    EIN 526055600 · Headquarters: CENTREVILLE, MD, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-EZ

  88. Rotary International District 7620

    EIN 521037873 · Headquarters: College Park, MD, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990

  89. Rotary International District 7630

    EIN 510273858 · Headquarters: CHESTER, MD, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-EZ

  90. Rotary International Rotary Club of Carroll Creek Inc

    EIN 521829548 · Headquarters: FREDERICK, MD, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990

  91. Rotary International Rotary Club of Hagerstown Sunrise

    EIN 521698052 · Headquarters: HAGERSTOWN, MD, US · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-N

  92. Royal & Select Masters of Maryland

    EIN 237591285 · Headquarters: Severn, MD, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  93. Royal & Select Masters of Maryland

    EIN 237591287 · Headquarters: BALTIMORE, MD, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  94. Royal & Select Masters of Maryland

    EIN 237591288 · Headquarters: Westminster, MD, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  95. Royal & Select Masters of Maryland

    EIN 237591289 · Headquarters: Easton, MD, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  96. Royal & Select Masters of Maryland

    EIN 237591290 · Headquarters: CAMBRIDGE, MD, US · Unknown & Unclassified · Latest available filing year: 2022 · Primary form: IRS Form 990-N

  97. Royal & Select Masters of Maryland

    EIN 237591299 · Headquarters: Annapolis, MD, US · Unknown & Unclassified · Latest available filing year: 2023 · Primary form: IRS Form 990-N

  98. Royal & Select Masters of Maryland

    EIN 237591300 · Headquarters: Denton, MD, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  99. Royal & Select Masters of Maryland

    EIN 237591302 · Headquarters: DISTRICT HEIGHTS, MD, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  100. Royal & Select Masters of Maryland

    EIN 371563560 · Headquarters: FREDERICK, MD, US · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-N

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