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. Sam Houston State Univ PAD Prelaw Chapter

    EIN 943218353 · Headquarters: TOWSON, MD, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  2. Samaritan Food Pantry & Community Outreach Corporation

    EIN 352804345 · Headquarters: LAUREL, MD, US · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-N

  3. Samba

    EIN 521074154 · Headquarters: Rockville, MD, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990

  4. Samples Manor Cemetery Inc

    EIN 521080405 · Headquarters: SHARPSBURG, MD, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  5. Sampson High School Alumni Association Inc

    EIN 510156294 · Headquarters: RIVERDALE, MD, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990

  6. Sampson High School Alumni Association Inc

    EIN 521039350 · Headquarters: Riverdale, MD, US · Unknown & Unclassified · Latest available filing year: 2022 · Primary form: IRS Form 990-N

  7. Sampson High School Alumni Association Inc

    EIN 521039353 · Headquarters: Baltimore, MD, US · Unknown & Unclassified · Latest available filing year: 2019 · Primary form: IRS Form 990-N

  8. Samuel Burtoff Md Foundation Inc

    EIN 650303365 · Headquarters: Chevy Chase, MD, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-PF

  9. Samuel T Hemsley Elks Lodge 974

    EIN 237621580 · Headquarters: EASTON, MD, US · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-N

  10. San Diego State University PAD Prelaw Chapter

    EIN 261677260 · Headquarters: TOWSON, MD, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  11. San Jose State University PAD Prelaw Chapter

    EIN 261677359 · Headquarters: TOWSON, MD, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  12. San Mar Children's Home Inc

    EIN 520625106 · Headquarters: BOONSBORO, MD, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990

  13. Sanctuary Ministry

    EIN 800592221 · Headquarters: WORTON, MD, US · Unknown & Unclassified · Latest available filing year: 2020 · Primary form: IRS Form 990-N

  14. Sanctuary Systems Incorporated

    EIN 202755276 · Headquarters: Westminster, MD, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  15. Sandy Island Cemetery Assoc Inc

    EIN 521904091 · Headquarters: CHURCH CREEK, MD, USA · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-EZ

  16. Saner Family Foundation

    EIN 311487800 · Headquarters: CHESTERTOWN, MD, USA · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-PF

  17. Sankofa Vision Collective Inc

    EIN 862462090 · Headquarters: Silver Spring, MD, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  18. Sanner's Lake Sportsman Club

    EIN 521728246 · Headquarters: LEXINGTON PARK, MD, USA · Unknown & Unclassified · Latest available filing year: 2023 · Primary form: IRS Form 990

  19. Santas Helpers Inc

    EIN 300514971 · Headquarters: Baltimore, MD, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  20. Sarah Sauer Foundation

    EIN 237022636 · Headquarters: BALTIMORE, MD, USA · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-PF

  21. Sarahs House Fund Inc

    EIN 260337645 · Headquarters: Timonium, MD, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990

  22. Sassie

    EIN 300514059 · Headquarters: Hyattsville, MD, US · Unknown & Unclassified · Latest available filing year: 2010 · Primary form: IRS Form 990-N

  23. Sathyarupa Charitable Trust

    EIN 526509161 · Headquarters: ROCKVILLE, MD, USA · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-PF

  24. Save a Child's Heart Foundation Us Inc

    EIN 521783323 · Headquarters: POTOMAC, MD, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990

  25. Save Orleans Students

    EIN 452698659 · Headquarters: Little Orleans, MD, US · Unknown & Unclassified · Latest available filing year: 2011 · Primary form: IRS Form 990-N

  26. Save Our Jobs - Baltimore County

    EIN 270637066 · Headquarters: Baltimore, MD, US · Unknown & Unclassified · Latest available filing year: 2011 · Primary form: IRS Form 990-N

  27. Save Our Seminary at Forest Glen

    EIN 521643912 · Headquarters: Silver Spring, MD, US · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-N

  28. Save Piscataway Hills Inc

    EIN 471643546 · Headquarters: Fort Washington, MD, US · Unknown & Unclassified · Latest available filing year: 2017 · Primary form: IRS Form 990-N

  29. Savewestbard Inc

    EIN 813029224 · Headquarters: Bethesda, MD, US · Unknown & Unclassified · Latest available filing year: 2019 · Primary form: IRS Form 990-N

  30. Savingjoy

    EIN 201811049 · Headquarters: Waldorf, MD, US · Unknown & Unclassified · Latest available filing year: 2009 · Primary form: IRS Form 990-N

  31. SBE&S Clients' Consolidated Charitable Foundation

    EIN 521306077 · Headquarters: Crofton, MD, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-PF

  32. Scholars Pointe University Inc

    EIN 364771622 · Headquarters: Oakland, MD, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  33. Scholarship Foundation Society of St Pa Charles S Abell Treasurer

    EIN 526041456 · Headquarters: BETHESDA, MD, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-PF

  34. School Social Economic Development

    EIN 870826302 · Headquarters: PIKESVILLE, MD, USA · Unknown & Unclassified · Latest available filing year: 2021 · Primary form: IRS Form 990

  35. Schwartzberg Family Foundation

    EIN 527318082 · Headquarters: POTOMAC, MD, USA · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-PF

  36. Scientific Association of Forensic Examiners Inc

    EIN 461263015 · Headquarters: Oakland, MD, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  37. Scientists' Cliffs Association Inc

    EIN 520730171 · Headquarters: PORT REPUBLIC, MD, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990

  38. Sconza Enterprices Inc

    EIN 825356642 · Headquarters: FOREST HILL, MD, US · Unknown & Unclassified · Latest available filing year: 2022 · Primary form: IRS Form 990-N

  39. Scott Key Campers Chapter of Fcrv

    EIN 273924781 · Headquarters: Woodsboro, MD, US · Unknown & Unclassified · Latest available filing year: 2017 · Primary form: IRS Form 990-N

  40. Scott R Torbeck Scholarship Fund Inc

    EIN 521694730 · Headquarters: Glen Arm, MD, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-PF

  41. Scottish Terrier Club of Greater Washington Dc Inc

    EIN 237152268 · Headquarters: Odenton, MD, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  42. Scouting America Troop 1760

    EIN 332792595 · Headquarters: DERWOOD, MD, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  43. Seabrook Adventist Early Learning Center Inc

    EIN 521834519 · Headquarters: Lanham, MD, USA · Unknown & Unclassified · Latest available filing year: 2022 · Primary form: IRS Form 990-EZ

  44. Seafarer Chapter Incorporated Auvsi

    EIN 522155394 · Headquarters: California, MD, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-EZ

  45. Seafarers Building Corporation

    EIN 111681945 · Headquarters: CAMP SPRINGS, MD, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990

  46. Seafarers Entertainment & Allied Trades

    EIN 521936642 · Headquarters: CAMP SPRINGS, MD, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990

  47. Seafarers Harry Lundeberg School of Seamanship

    EIN 112099708 · Headquarters: CAMP SPRINGS, MD, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990

  48. Seafarers Health and Benefits Plan

    EIN 135557534 · Headquarters: Camp Springs, MD, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990

  49. Seafarers International Union of North A

    EIN 111690171 · Headquarters: CAMP SPRINGS, MD, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990

  50. Seafarers International Union of North America

    EIN 111975660 · Headquarters: CAMP SPRINGS, MD, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990

  51. Seafarers Joint Employment Fund

    EIN 116137531 · Headquarters: CAMP SPRINGS, MD, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990

  52. Seafarers Maritime Union

    EIN 521496262 · Headquarters: CAMP SPRINGS, MD, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990

  53. Seafarers Maryland Building Corp

    EIN 222394440 · Headquarters: CAMP SPRINGS, MD, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990

  54. Seafarers Officers and Employees Welfare Plan

    EIN 112571578 · Headquarters: CAMP SPRINGS, MD, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990

  55. Seafarers Piney Point Corp

    EIN 112138881 · Headquarters: Camp Springs, MD, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  56. Seafarers Yacht Club Inc

    EIN 520799741 · Headquarters: ANNAPOLIS, MD, USA · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990

  57. Seahorse Ranch Equine Rescue

    EIN 841919125 · Headquarters: Berlin, MD, US · Unknown & Unclassified · Latest available filing year: 2021 · Primary form: IRS Form 990-N

  58. Seba Garden Club Inc

    EIN 815255591 · Headquarters: Gaithersburg, MD, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  59. Second District - Omega Psi Phi Fraternity Inc

    EIN 521584561 · Headquarters: Columbia, MD, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990

  60. Second Nature Parrot Rescue Inc Second Nature Parrots

    EIN 821777711 · Headquarters: Jessup, MD, US · Unknown & Unclassified · Latest available filing year: 2017 · Primary form: IRS Form 990-N

  61. Second Saint Alban's Housing Corporation C/o Quantum Real Estate Management Llc

    EIN 541623171 · Headquarters: BETHESDA, MD, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990

  62. Second Saint Mary's Housing Corporation

    EIN 510220688 · Headquarters: BETHESDA, MD, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990

  63. Second Step Ii Inc

    EIN 522225612 · Headquarters: ROCKVILLE, MD, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-EZ

  64. Secretaries and Assistants Association of Anne Arundel County

    EIN 521639180 · Headquarters: ANNAPOLIS, MD, USA · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-EZ

  65. Secu

    EIN 520627114 · Headquarters: Baltimore, MD, US · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990

  66. Security Industry Association

    EIN 952636066 · Headquarters: Silver Spring, MD, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990

  67. SEEDEXCEL Charter School LLC

    EIN 831611520 · Headquarters: Riverdale, MD, USA · Unknown & Unclassified · Latest available filing year: 2020 · Primary form: IRS Form 990

  68. Seedling Garden Club

    EIN 270581411 · Headquarters: Olney, MD, US · Unknown & Unclassified · Latest available filing year: 2009 · Primary form: IRS Form 990-N

  69. Selby Bay Yacht Club Property Corp

    EIN 536009607 · Headquarters: Edgewater, MD, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990

  70. Selfridge Family Foundation Inc

    EIN 201384700 · Headquarters: GLENWOOD, MD, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-PF

  71. Semper Libertas Action Inc

    EIN 995035915 · Headquarters: Potomac, MD, US · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-N

  72. Semper Vi Foundation

    EIN 472859554 · Headquarters: Germantown, MD, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  73. Seneca Valley High School Ptsa

    EIN 521739365 · Headquarters: Germantown, MD, US · Unknown & Unclassified · Latest available filing year: 2023 · Primary form: IRS Form 990-N

  74. Senior and Youth Support Services

    EIN 810928640 · Headquarters: Largo, MD, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990

  75. Senior Box Office

    EIN 521351766 · Headquarters: Timonium, MD, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  76. Senior Citizens Inc

    EIN 521172460 · Headquarters: Towson, MD, US · Unknown & Unclassified · Latest available filing year: 2023 · Primary form: IRS Form 990-N

  77. Senior Executives Association Professional Development League

    EIN 581683046 · Headquarters: Bethesda, MD, US · Unknown & Unclassified · Latest available filing year: 2020 · Primary form: IRS Form 990-N

  78. Senior Steelworkers Assoc of Local 9477

    EIN 521175814 · Headquarters: Sparrows Point, MD, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  79. Sensible Communities Redistricting in Maryland

    EIN 992954078 · Headquarters: Capitol Heights, MD, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  80. Sensible Women Intiative

    EIN 462382786 · Headquarters: FORT WASHINGTON, MD, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  81. Serenity Granted

    EIN 261272486 · Headquarters: Millersville, MD, US · Unknown & Unclassified · Latest available filing year: 2021 · Primary form: IRS Form 990-N

  82. Serenity Riders Motorcycle Club of Baltimore MD Inc

    EIN 453986684 · Headquarters: BALTIMORE, MD, US · Unknown & Unclassified · Latest available filing year: 2013 · Primary form: IRS Form 990-N

  83. Serra International

    EIN 521950608 · Headquarters: Leonardtown, MD, US · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-N

  84. Service Coordination

    EIN 521651219 · Headquarters: Frederick, MD, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990

  85. Service Employees International Local 400 Pg

    EIN 521037881 · Headquarters: UPPER MARLBORO, MD, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990

  86. Service Employees International Union Local 500

    EIN 520910299 · Headquarters: GAITHERSBURG, MD, USA · Unknown & Unclassified · Latest available filing year: 2023 · Primary form: IRS Form 990

  87. Service Employees International Union State Council of Maryland & Dc

    EIN 900188474 · Headquarters: BALTIMORE, MD, USA · Unknown & Unclassified · Latest available filing year: 2020 · Primary form: IRS Form 990

  88. Service Station Dealers of America

    EIN 381308224 · Headquarters: BOWIE, MD, USA · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-EZ

  89. Serving All Individual Learners

    EIN 383872027 · Headquarters: Dundalk, MD, US · Unknown & Unclassified · Latest available filing year: 2012 · Primary form: IRS Form 990-N

  90. Serving Women Across Generations Inc

    EIN 471041789 · Headquarters: Clinton, MD, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  91. Set Up to Fail Corp

    EIN 874553117 · Headquarters: Cumberland, MD, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  92. Seton Center Inc

    EIN 521182284 · Headquarters: EMMITSBURG, MD, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990

  93. Seton Guild of St Annes Infant & Maternity Home

    EIN 530100403 · Headquarters: Rockville, MD, US · Unknown & Unclassified · Latest available filing year: 2021 · Primary form: IRS Form 990-N

  94. Seton Hall University PAD Prelaw Chapter

    EIN 943104013 · Headquarters: TOWSON, MD, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  95. Seton Hill Neighborhood Association

    EIN 521155543 · Headquarters: Baltimore, MD, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  96. Seven Locks Pool Inc

    EIN 520806694 · Headquarters: BETHESDA, MD, USA · Unknown & Unclassified · Latest available filing year: 2023 · Primary form: IRS Form 990

  97. Seventh Day Adventists

    EIN 300780513 · Headquarters: Gaithersburg, MD, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  98. Severn Cross Roads Foundation Inc

    EIN 521164179 · Headquarters: Crownsville, MD, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990

  99. Severn Full Gospel Pentecostal Church Inc

    EIN 521902867 · Headquarters: Severn, MD, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  100. Severn River Swim Club Inc

    EIN 520700236 · Headquarters: Severna Park, MD, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990

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