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. The Wyoming Chapter of the Wildlife Society

    EIN 237380606 · Headquarters: Bethesda, MD, USA · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-EZ

  2. The Young Professionals Initiative of St Marys County Inc

    EIN 300594008 · Headquarters: California, MD, US · Unknown & Unclassified · Latest available filing year: 2012 · Primary form: IRS Form 990-N

  3. The Zachary T Paff Foundation Inc

    EIN 834100269 · Headquarters: BALDWIN, MD, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-EZ

  4. The Zoglio-culbertson Charitable Tr

    EIN 463638316 · Headquarters: BOWIE, MD, USA · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-PF

  5. Thehare

    EIN 844029388 · Headquarters: COLUMBIA, MD, USA · Unknown & Unclassified · Latest available filing year: 2020 · Primary form: IRS Form 990-PF

  6. Theodore a & Doris B Schwartz Foundation Inc

    EIN 237047132 · Headquarters: BALTIMORE, MD, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-PF

  7. Theosophical Society in Washington Dc

    EIN 526057300 · Headquarters: Chevy Chase, MD, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  8. Therapeutic Riding at Normandy Farm Incorporated

    EIN 521721000 · Headquarters: Street, MD, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  9. Theta Chapter of Phi Sigma Sigma at Uiuc

    EIN 463787785 · Headquarters: ELDERSBURG, MD, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990

  10. Theta Chi Iota Sigma Alumni Association

    EIN 822794605 · Headquarters: Towson, MD, USA · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-EZ

  11. Theta Chi of Towson University

    EIN 460736005 · Headquarters: TOWSON, MD, US · Unknown & Unclassified · Latest available filing year: 2023 · Primary form: IRS Form 990-N

  12. Thimble Collectors International

    EIN 020364133 · Headquarters: Berlin, MD, USA · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-EZ

  13. Third Gunpowder Agricultural Club

    EIN 371612465 · Headquarters: Baldwin, MD, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  14. Thomas Edison Hs of Technology Ptsa

    EIN 833471936 · Headquarters: Silver Spring, MD, US · Unknown & Unclassified · Latest available filing year: 2022 · Primary form: IRS Form 990-N

  15. Thomas I & Peggy a Baldwin Foundation

    EIN 521812998 · Headquarters: GAMBRILLS, MD, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-PF

  16. Thomas More Scholarship Fund Inc

    EIN 521467451 · Headquarters: Baltimore, MD, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990

  17. Thomas P Duncan Jr Foundation

    EIN 540920302 · Headquarters: SALISBURY, MD, USA · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-PF

  18. Thomas Pangborn Lodge No 88

    EIN 520783034 · Headquarters: HAGERSTOWN, MD, USA · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-EZ

  19. Thomas S Wootton High School PTSA

    EIN 521703987 · Headquarters: Rockville, MD, US · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-N

  20. Thomas Wilson Sanitarium for Children of Baltimore City

    EIN 526044885 · Headquarters: LUTHERVILLE, MD, USA · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-PF

  21. Thompson Miller Post 9527 Vfw

    EIN 272205666 · Headquarters: Baltimore, MD, USA · Unknown & Unclassified · Latest available filing year: 2010 · Primary form: IRS Form 990-EZ

  22. Thompsons Purchase Section 4 Homeowners Association Inc

    EIN 521556900 · Headquarters: Ellicott City, MD, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  23. Thoroughbred Horsemen's Associations Inc

    EIN 521924509 · Headquarters: STEVENSON, MD, USA · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-EZ

  24. Thoroughbred Racing Associations of North America Inc

    EIN 131379483 · Headquarters: Elkton, MD, USA · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990

  25. Three Oaks Center

    EIN 521849276 · Headquarters: LEXINGTON PARK, MD, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990

  26. Threshold Inc

    EIN 237055638 · Headquarters: Baltimore, MD, US · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-N

  27. Thrive Together

    EIN 320756430 · Headquarters: Oxon Hill, MD, US · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-N

  28. Throne of Grace and Miracle Ministries-chapel of Possibilities

    EIN 522260823 · Headquarters: Owings Mills, MD, US · Unknown & Unclassified · Latest available filing year: 2020 · Primary form: IRS Form 990-N

  29. Throttle Basics Incorporated

    EIN 472661876 · Headquarters: Elkridge, MD, US · Unknown & Unclassified · Latest available filing year: 2017 · Primary form: IRS Form 990-N

  30. Thrunt Corp

    EIN 331861066 · Headquarters: Oakland, MD, US · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-N

  31. Thurmont First Inc

    EIN 020783143 · Headquarters: Thurmont, MD, US · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-N

  32. Thurmont Little League Inc

    EIN 521048818 · Headquarters: Thurmont, MD, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-EZ

  33. Thurmont Masonic Temple Assoc

    EIN 900332255 · Headquarters: Thurmont, MD, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  34. Thyme for You Association

    EIN 471579707 · Headquarters: California, MD, US · Unknown & Unclassified · Latest available filing year: 2016 · Primary form: IRS Form 990-N

  35. Tickids Inc

    EIN 133892337 · Headquarters: BALTIMORE, MD, US · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-N

  36. Tidewater Stamp Club Inc

    EIN 831365242 · Headquarters: Royal Oak, MD, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  37. Tiger Athletic Boosters

    EIN 521552038 · Headquarters: NORTH EAST, MD, US · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-N

  38. Tikkun Foundation

    EIN 934516131 · Headquarters: SILVER SPRING, MD, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-PF

  39. Tilden Woods Recreation Association Inc

    EIN 526056436 · Headquarters: Rockville, MD, USA · Unknown & Unclassified · Latest available filing year: 2023 · Primary form: IRS Form 990

  40. Tilles Foundation

    EIN 133541870 · Headquarters: BROOKLANDVILLE, MD, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-PF

  41. Tillie and William Blumstein Family Foundation Inc

    EIN 132608346 · Headquarters: Annapolis, MD, USA · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-PF

  42. Tim-mark Condominium Association 9 91St St Ocean City Md

    EIN 521540401 · Headquarters: Fallston, MD, US · Unknown & Unclassified · Latest available filing year: 2013 · Primary form: IRS Form 990-N

  43. Tiny but Mighty Inc

    EIN 413656173 · Headquarters: DICKERSON, MD, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  44. Titan Homes Inc

    EIN 814108039 · Headquarters: UPPER MARLBORO, MD, US · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-N

  45. TLC - The Treatment & Learning Centers

    EIN 520607924 · Headquarters: Rockville, MD, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990

  46. Toasmasters International

    EIN 522309958 · Headquarters: Upper Marlboro, MD, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  47. Toastmaster International

    EIN 521587475 · Headquarters: Ellicott City, MD, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  48. Toastmasters Internatioanl

    EIN 901185065 · Headquarters: Waldorf, MD, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  49. Toastmasters International

    EIN 043749632 · Headquarters: Frederick, MD, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  50. Toastmasters International

    EIN 061686801 · Headquarters: Germantown, MD, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  51. Toastmasters International

    EIN 113647319 · Headquarters: Bethesda, MD, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  52. Toastmasters International

    EIN 201231854 · Headquarters: Rockville, MD, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  53. Toastmasters International

    EIN 201835051 · Headquarters: Rockville, MD, US · Unknown & Unclassified · Latest available filing year: 2021 · Primary form: IRS Form 990-N

  54. Toastmasters International

    EIN 201839326 · Headquarters: Baltimore, MD, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  55. Toastmasters International

    EIN 201839330 · Headquarters: Fort Washington, MD, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  56. Toastmasters International

    EIN 201976084 · Headquarters: Chevy Chase, MD, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  57. Toastmasters International

    EIN 201982357 · Headquarters: Adelphi, MD, US · Unknown & Unclassified · Latest available filing year: 2021 · Primary form: IRS Form 990-N

  58. Toastmasters International

    EIN 201998054 · Headquarters: Catonsville, MD, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  59. Toastmasters International

    EIN 202072215 · Headquarters: Bladensburg, MD, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  60. Toastmasters International

    EIN 202223687 · Headquarters: Columbia, MD, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  61. Toastmasters International

    EIN 203151350 · Headquarters: Abingdon, MD, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  62. Toastmasters International

    EIN 208790136 · Headquarters: Baltimore, MD, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  63. Toastmasters International

    EIN 237079472 · Headquarters: Annapolis, MD, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  64. Toastmasters International

    EIN 237095854 · Headquarters: Windsor Mill, MD, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  65. Toastmasters International

    EIN 237157457 · Headquarters: Ashton, MD, US · Unknown & Unclassified · Latest available filing year: 2019 · Primary form: IRS Form 990-N

  66. Toastmasters International

    EIN 237157464 · Headquarters: Gaithersburg, MD, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  67. Toastmasters International

    EIN 237315657 · Headquarters: Germantown, MD, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  68. Toastmasters International

    EIN 237327636 · Headquarters: Germantown, MD, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  69. Toastmasters International

    EIN 237327638 · Headquarters: Bowie, MD, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  70. Toastmasters International

    EIN 260069677 · Headquarters: Rockville, MD, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  71. Toastmasters International

    EIN 260308069 · Headquarters: Frederick, MD, US · Unknown & Unclassified · Latest available filing year: 2021 · Primary form: IRS Form 990-N

  72. Toastmasters International

    EIN 260473775 · Headquarters: Baltimore, MD, US · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-N

  73. Toastmasters International

    EIN 260473907 · Headquarters: Baltimore, MD, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  74. Toastmasters International

    EIN 260514423 · Headquarters: Silver Spring, MD, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  75. Toastmasters International

    EIN 301247734 · Headquarters: Germantown, MD, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  76. Toastmasters International

    EIN 320052905 · Headquarters: Waldorf, MD, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  77. Toastmasters International

    EIN 320635310 · Headquarters: Baltimore, MD, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  78. Toastmasters International

    EIN 320640200 · Headquarters: Gwynn Oak, MD, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  79. Toastmasters International

    EIN 320642781 · Headquarters: Ellicott City, MD, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  80. Toastmasters International

    EIN 320670124 · Headquarters: Hunt Valley, MD, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  81. Toastmasters International

    EIN 341987676 · Headquarters: Greenbelt, MD, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  82. Toastmasters International

    EIN 352683767 · Headquarters: Hyattsville, MD, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  83. Toastmasters International

    EIN 352697313 · Headquarters: Reisterstown, MD, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  84. Toastmasters International

    EIN 352726582 · Headquarters: Huntingtown, MD, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  85. Toastmasters International

    EIN 364959009 · Headquarters: Poolesville, MD, US · Unknown & Unclassified · Latest available filing year: 2021 · Primary form: IRS Form 990-N

  86. Toastmasters International

    EIN 384165450 · Headquarters: Owings Mills, MD, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  87. Toastmasters International

    EIN 521417083 · Headquarters: Brandywine, MD, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  88. Toastmasters International

    EIN 521435909 · Headquarters: Arnold, MD, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  89. Toastmasters International

    EIN 521469418 · Headquarters: Bowie, MD, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  90. Toastmasters International

    EIN 521507950 · Headquarters: Laurel, MD, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  91. Toastmasters International

    EIN 521552658 · Headquarters: Baltimore, MD, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  92. Toastmasters International

    EIN 521582433 · Headquarters: Bowie, MD, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  93. Toastmasters International

    EIN 521624787 · Headquarters: Fort Washington, MD, US · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-N

  94. Toastmasters International

    EIN 521707937 · Headquarters: Bel Air, MD, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  95. Toastmasters International

    EIN 521714254 · Headquarters: Clinton, MD, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  96. Toastmasters International

    EIN 521794052 · Headquarters: Silver Spring, MD, US · Unknown & Unclassified · Latest available filing year: 2022 · Primary form: IRS Form 990-N

  97. Toastmasters International

    EIN 521840325 · Headquarters: Columbia, MD, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  98. Toastmasters International

    EIN 521871731 · Headquarters: Hanover, MD, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  99. Toastmasters International

    EIN 521940341 · Headquarters: Silver Spring, MD, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  100. Toastmasters International

    EIN 521953727 · Headquarters: Capitol Heights, MD, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

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