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. Tuscarora Gun Club

    EIN 237006814 · Headquarters: Tuscarora, MD, USA · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-EZ

  2. Tuscarora High School Ptsa

    EIN 200031718 · Headquarters: FREDERICK, MD, US · Unknown & Unclassified · Latest available filing year: 2022 · Primary form: IRS Form 990-N

  3. Twan Children & Youth Services Inc

    EIN 470997293 · Headquarters: Gwynn Oak, MD, US · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-N

  4. Twin Farms Club Inc

    EIN 520711346 · Headquarters: Silver Spring, MD, USA · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-EZ

  5. Twin Ridge Elementary School Pta

    EIN 521770546 · Headquarters: Mt Airy, MD, US · Unknown & Unclassified · Latest available filing year: 2023 · Primary form: IRS Form 990-N

  6. Twinbrook Citizens Association Inc

    EIN 526056041 · Headquarters: Rockville, MD, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  7. Twinbrook Swimming Pool Corporation

    EIN 520658767 · Headquarters: Rockville, MD, USA · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990

  8. Two Thirteen Masonic Temple Holding Corporation

    EIN 520974357 · Headquarters: Glen Burnie, MD, US · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-N

  9. Two Thirty-one Temple Holding Corp

    EIN 237116866 · Headquarters: Fort Washington, MD, US · Unknown & Unclassified · Latest available filing year: 2012 · Primary form: IRS Form 990-N

  10. Tzedakah Inc

    EIN 522184298 · Headquarters: Potomac, MD, US · Unknown & Unclassified · Latest available filing year: 2020 · Primary form: IRS Form 990-N

  11. U S Naval Sailing Foundation Inc

    EIN 237392972 · Headquarters: Annapolis, MD, US · Unknown & Unclassified · Latest available filing year: 2021 · Primary form: IRS Form 990-N

  12. Ua Mechanical Trades School Inc

    EIN 530238660 · Headquarters: LANDOVER, MD, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990

  13. UAW Local 239

    EIN 520513202 · Headquarters: BALTIMORE, MD, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990

  14. Uaw No 239 Holding Company Inc

    EIN 521186809 · Headquarters: BALTIMORE, MD, US · Unknown & Unclassified · Latest available filing year: 2020 · Primary form: IRS Form 990-N

  15. Udada Legacy Inc

    EIN 882530841 · Headquarters: FREDERICK, MD, US · Unknown & Unclassified · Latest available filing year: 2023 · Primary form: IRS Form 990-N

  16. Ufda Service Inc

    EIN 815118622 · Headquarters: UPPER FALLS, MD, US · Unknown & Unclassified · Latest available filing year: 2022 · Primary form: IRS Form 990-N

  17. Ukama Inc

    EIN 263962905 · Headquarters: Baltimore, MD, US · Unknown & Unclassified · Latest available filing year: 2009 · Primary form: IRS Form 990-N

  18. Ukraineaid Inc

    EIN 521817514 · Headquarters: germantown, MD, US · Unknown & Unclassified · Latest available filing year: 2008 · Primary form: IRS Form 990-N

  19. Ukrainian National Association Inc

    EIN 237530333 · Headquarters: BALTIMORE, MD, US · Unknown & Unclassified · Latest available filing year: 2020 · Primary form: IRS Form 990-N

  20. Ukrainian University Inc

    EIN 810762108 · Headquarters: Silver Spring, MD, US · Unknown & Unclassified · Latest available filing year: 2016 · Primary form: IRS Form 990-N

  21. Ulama Council of District of Columbia Maryland & Virginia

    EIN 471036460 · Headquarters: Ellicott City, MD, US · Unknown & Unclassified · Latest available filing year: 2021 · Primary form: IRS Form 990-N

  22. Ulmstead Club Inc

    EIN 521286241 · Headquarters: Arnold, MD, USA · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990

  23. Um Fdsp Associates Pa

    EIN 521456103 · Headquarters: BALTIMORE, MD, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990

  24. Umbc Research Park Corporation Inc

    EIN 521884800 · Headquarters: BALTIMORE, MD, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990

  25. Underwood Clan

    EIN 271959461 · Headquarters: Bowie, MD, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  26. Uneek Ryderz

    EIN 800708141 · Headquarters: Annapolis, MD, US · Unknown & Unclassified · Latest available filing year: 2010 · Primary form: IRS Form 990-N

  27. Unified Community Connections

    EIN 520696384 · Headquarters: Sparks, MD, US · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990

  28. Uniformed Services University Alumni Association

    EIN 521360807 · Headquarters: BETHESDA, MD, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990

  29. Union Baptist Church School Union Baptist Head Start

    EIN 520846223 · Headquarters: Baltimore, MD, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990

  30. Union Bridge Fire Company Inc

    EIN 526043884 · Headquarters: UNION BRIDGE, MD, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990

  31. Union Cemetery Association of Montgomery

    EIN 526043310 · Headquarters: OLNEY, MD, USA · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990

  32. Union Dorcas Society of Talbot County C/o Katy Stafford

    EIN 526037125 · Headquarters: EASTON, MD, USA · Unknown & Unclassified · Latest available filing year: 2022 · Primary form: IRS Form 990-PF

  33. Union Holding Co of Cecil

    EIN 520799746 · Headquarters: Elkton, MD, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  34. Union Mills Homestead Foundation Inc

    EIN 526067620 · Headquarters: WESTMINSTER, MD, USA · Unknown & Unclassified · Latest available filing year: 2023 · Primary form: IRS Form 990

  35. Union of Unemployed Inc

    EIN 461812558 · Headquarters: BETHESDA, MD, USA · Unknown & Unclassified · Latest available filing year: 2014 · Primary form: IRS Form 990

  36. Union Rights for Security Officers Plan Administrator

    EIN 273025090 · Headquarters: Greenbelt, MD, US · Unknown & Unclassified · Latest available filing year: 2010 · Primary form: IRS Form 990-N

  37. Uniqineco Inc

    EIN 811280183 · Headquarters: Randallstown, MD, US · Unknown & Unclassified · Latest available filing year: 2022 · Primary form: IRS Form 990-N

  38. Unitarian Universalist Fellowship of Greater Cumberland

    EIN 521404494 · Headquarters: Cumberland, MD, US · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-N

  39. Unite Here Local 25 & Hotel Association of Washington Dc Health & Welfare Fund

    EIN 362941623 · Headquarters: SPARKS, MD, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990

  40. Unite Here Local 7

    EIN 520677684 · Headquarters: BALTIMORE, MD, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990

  41. United Association of Journeymen & Apprentices Plumbers Local #5

    EIN 530067475 · Headquarters: LANHAM, MD, USA · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990

  42. United Basketball Club of Maryland

    EIN 842780270 · Headquarters: Hanover, MD, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  43. United Brotherhood of Carpenters & Joiners of America

    EIN 134261842 · Headquarters: Baltimore, MD, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990

  44. United Brotherhood of Carpenters & Joiners of America

    EIN 811575321 · Headquarters: Upper Marlboro, MD, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990

  45. United Business & Community Company

    EIN 873096905 · Headquarters: SILVER SPRING, MD, USA · Unknown & Unclassified · Latest available filing year: 2021 · Primary form: IRS Form 990-EZ

  46. United Concerned Christians of Caroline County Inc

    EIN 521145935 · Headquarters: DENTON, MD, USA · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-EZ

  47. United Daughters of the Confederacy

    EIN 341979024 · Headquarters: Baltimore, MD, US · Unknown & Unclassified · Latest available filing year: 2017 · Primary form: IRS Form 990-N

  48. United Daughters of the Confederacy

    EIN 521752014 · Headquarters: Mechanicsville, MD, US · Unknown & Unclassified · Latest available filing year: 2022 · Primary form: IRS Form 990-N

  49. United Daughters of the Confederacy

    EIN 521892974 · Headquarters: MILLERSVILLE, MD, US · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-N

  50. United Daughters of the Confederacy

    EIN 521925297 · Headquarters: Forest Hill, MD, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  51. United Daughters of the Confederacy

    EIN 521933832 · Headquarters: Upper Marlboro, MD, US · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-N

  52. United Daughters of the Confederacy

    EIN 521942577 · Headquarters: Baltimore, MD, US · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-N

  53. United Daughters of the Confederacy

    EIN 526043207 · Headquarters: Forest Hill, MD, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  54. United Daughters of the Confederacy

    EIN 743106517 · Headquarters: Hagerstown, MD, US · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-N

  55. United Daughters of the Confederacy

    EIN 814022871 · Headquarters: Silver Spring, MD, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  56. United Daugthers of the Confederacy

    EIN 521169327 · Headquarters: Galesville, MD, US · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-N

  57. United Electrical Radio & Machine Workers of America

    EIN 526066710 · Headquarters: Baltimore, MD, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  58. United Electrical Radio & Machine Workers Ue Local 197 - Tru

    EIN 991253033 · Headquarters: Baltimore, MD, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990

  59. United Food & Commercial Workers Local 392

    EIN 521268328 · Headquarters: BALTIMORE, MD, USA · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990

  60. United Food & Commercial Workers Union Region 2 Council

    EIN 521104840 · Headquarters: GAITHERSBURG, MD, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-EZ

  61. United Food and Commercial Workers

    EIN 520566322 · Headquarters: PINTO, MD, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990

  62. United Food and Commercial Workers International Union Local 976C

    EIN 310923794 · Headquarters: GLEN BURNIE, MD, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990

  63. United Food and Commercial Workers Local No 400

    EIN 530241580 · Headquarters: LANDOVER, MD, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990

  64. United Food and Commercial Workers Minority Coalition

    EIN 522117494 · Headquarters: Hyattsville, MD, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-EZ

  65. United Food and Commercial Workers Union Local 27 Afl-cio

    EIN 521265190 · Headquarters: TOWSON, MD, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990

  66. United Food and Commercial Workers Unions and Contributing Employers Legal Benefits Fund

    EIN 521228768 · Headquarters: LANDOVER, MD, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990

  67. United Food and Commercial Workers Unions and Participating Employers Health & Welfare Fund

    EIN 526044428 · Headquarters: LANDOVER, MD, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990

  68. United for Justice Corp

    EIN 822232058 · Headquarters: Gaithersburg, MD, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  69. United Grand Imperial Coun Knights of Red Cross of Constantine

    EIN 237617418 · Headquarters: Laurel, MD, US · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-N

  70. United Grand Imperial Coun Knights of Red Cross of Constantine

    EIN 237617451 · Headquarters: Colora, MD, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  71. United Hebrew Cemetery Rosedale

    EIN 520566297 · Headquarters: PIKESVILLE, MD, USA · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-EZ

  72. United Industry Workers Service Transp & Government Workers of North America

    EIN 111956585 · Headquarters: CAMP SPRINGS, MD, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990

  73. United Ostomy Association of America Inc

    EIN 272956956 · Headquarters: Gambrills, MD, US · Unknown & Unclassified · Latest available filing year: 2021 · Primary form: IRS Form 990-N

  74. United Ostomy Associations of America Inc

    EIN 814600226 · Headquarters: Smithsburg, MD, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  75. United Postal Stationery Society Inc

    EIN 237085657 · Headquarters: SYKESVILLE, MD, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-PF

  76. United Postmasters and Managers of America

    EIN 812079885 · Headquarters: Street, MD, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  77. United Presbyterian Ministries of Md Inc

    EIN 526064440 · Headquarters: BALTIMORE, MD, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990

  78. United Sagamu International Inc Washington Dc Metropolitan Chapter

    EIN 455279785 · Headquarters: Lanham, MD, US · Unknown & Unclassified · Latest available filing year: 2013 · Primary form: IRS Form 990-N

  79. United States Amateur Boxing Inc

    EIN 521386265 · Headquarters: California, MD, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  80. United States Amateur Boxing Inc

    EIN 541185358 · Headquarters: Suitland, MD, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  81. United States Australian Rules Football League Umpires Associatio

    EIN 464464379 · Headquarters: Rockville, MD, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  82. United States Business and Industry Council

    EIN 620366300 · Headquarters: Bethesda, MD, US · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-N

  83. United States Commission on Military History

    EIN 237444869 · Headquarters: BALTIMORE, MD, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  84. United States Junior Chamber of Commerce

    EIN 237431768 · Headquarters: Waldorf, MD, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  85. United States Junior Chamber of Commerce

    EIN 262286257 · Headquarters: Towson, MD, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  86. United States Junior Chamber of Commerce

    EIN 521169241 · Headquarters: Annapolis, MD, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  87. United States Junior Chamber of Commerce

    EIN 526009290 · Headquarters: Cumberland, MD, US · Unknown & Unclassified · Latest available filing year: 2023 · Primary form: IRS Form 990-N

  88. United States Junior Chamber of Commerce

    EIN 526042958 · Headquarters: Frederick, MD, US · Unknown & Unclassified · Latest available filing year: 2019 · Primary form: IRS Form 990-N

  89. United States Junior Chamber of Commerce

    EIN 526079295 · Headquarters: Salisbury, MD, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  90. United States Marine Corps Historical Company

    EIN 521470609 · Headquarters: FREDERICK, MD, USA · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-EZ

  91. United States Masters Swimming Inc

    EIN 311131720 · Headquarters: Pasadena, MD, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  92. United States Masters Swimming Inc

    EIN 311131746 · Headquarters: Darnestown, MD, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  93. United States Naval Institute

    EIN 520643040 · Headquarters: ANNAPOLIS, MD, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990

  94. United States Naval Sailing Foundation

    EIN 902374984 · Headquarters: Annapolis, MD, US · Unknown & Unclassified · Latest available filing year: 2022 · Primary form: IRS Form 990-N

  95. United States Piping Foundation

    EIN 222853543 · Headquarters: Silver Spring, MD, US · Unknown & Unclassified · Latest available filing year: 2023 · Primary form: IRS Form 990-N

  96. United States Pony Clubs Inc

    EIN 236297423 · Headquarters: Elkton, MD, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  97. United States Power Squadrons

    EIN 237229599 · Headquarters: Rockville, MD, US · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-N

  98. United States Power Squadrons

    EIN 521198265 · Headquarters: Ocean Pines, MD, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  99. United States Power Squadrons

    EIN 526050447 · Headquarters: Belcamp, MD, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  100. United States Power Squadrons

    EIN 526054364 · Headquarters: Severn, MD, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

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