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. Sta of Baltimore-ila Container Royalty Plan

    EIN 520953443 · Headquarters: BALTIMORE, MD, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990

  2. Sta Training School Inc

    EIN 521179475 · Headquarters: BALTIMORE, MD, USA · Unknown & Unclassified · Latest available filing year: 2022 · Primary form: IRS Form 990-EZ

  3. Stallings Williams Post 206 The American Legion

    EIN 526077898 · Headquarters: Chesapeake Beach, MD, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990

  4. Stand Up 2 Racism Association

    EIN 851468821 · Headquarters: District Heights, MD, US · Unknown & Unclassified · Latest available filing year: 2020 · Primary form: IRS Form 990-N

  5. Standard Employees Benefit Association

    EIN 526050427 · Headquarters: GAITHERSBURG, MD, USA · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-EZ

  6. Stanford C Reed Scholarships Inc

    EIN 521862839 · Headquarters: CATONSVILLE, MD, USA · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-PF

  7. Star Gazing Farm

    EIN 200882587 · Headquarters: BOYDS, MD, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990

  8. Star of Bethlehem Evangelistic Center Cogic

    EIN 520888961 · Headquarters: Bowie, MD, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990

  9. Star Touring & Riding Chapter 262

    EIN 264048111 · Headquarters: Columbia, MD, US · Unknown & Unclassified · Latest available filing year: 2020 · Primary form: IRS Form 990-N

  10. Starbright Health Inc

    EIN 472357753 · Headquarters: BALTIMORE, MD, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  11. Stark Family Foundation Inc Fka Pete Stark Foundation

    EIN 237358951 · Headquarters: HARWOOD, MD, USA · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-PF

  12. Starrs Navigational Network Inc

    EIN 273865474 · Headquarters: laurel, MD, US · Unknown & Unclassified · Latest available filing year: 2016 · Primary form: IRS Form 990-N

  13. Starterblox Foundation Inc

    EIN 851891006 · Headquarters: Gaithersburg, MD, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  14. STAT Club of Maryland, Inc.

    EIN 871424840 · Headquarters: Towson, MD, USA · Unknown & Unclassified · Latest available filing year: 2022 · Primary form: IRS Form 990

  15. State Law Enforcement Officers Labor Alliance Inc

    EIN 522073128 · Headquarters: SEVERNA PARK, MD, USA · Unknown & Unclassified · Latest available filing year: 2023 · Primary form: IRS Form 990

  16. State of Maryland Supervisors Local 227

    EIN 414492203 · Headquarters: Baltimore, MD, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  17. Station 7 Terror Trail

    EIN 882738455 · Headquarters: ODENTON, MD, USA · Unknown & Unclassified · Latest available filing year: 2022 · Primary form: IRS Form 990-EZ

  18. Steam Rising Incorporated

    EIN 814129291 · Headquarters: Bowie, MD, US · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-N

  19. Steamfitters Local Union No 602

    EIN 530150360 · Headquarters: CAPITOL HEIGHTS, MD, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990

  20. Steamfitters UA Local 602

    EIN 521511982 · Headquarters: Capitol Heights, MD, US · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990

  21. Steampunked Stories

    EIN 813519856 · Headquarters: La Plata, MD, US · Unknown & Unclassified · Latest available filing year: 2022 · Primary form: IRS Form 990-N

  22. Steamship Trade Association of Baltimore Charitable Legacy Inc

    EIN 205505358 · Headquarters: BALTIMORE, MD, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990

  23. Steamship Trade Association of Baltimore Inc

    EIN 520557692 · Headquarters: BALTIMORE, MD, USA · Unknown & Unclassified · Latest available filing year: 2023 · Primary form: IRS Form 990

  24. Stedwick Homes Corporation

    EIN 520858338 · Headquarters: Montgomery Village, MD, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990

  25. Steelworkers Community Service Fund

    EIN 521461458 · Headquarters: Baltimore, MD, US · Unknown & Unclassified · Latest available filing year: 2011 · Primary form: IRS Form 990-N

  26. Stella Maris

    EIN 521419602 · Headquarters: Timonium, MD, US · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990

  27. Stem and Vine Community Foundation

    EIN 333010185 · Headquarters: Baltimore, MD, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  28. Stembrains Inc

    EIN 842884696 · Headquarters: Laurel, MD, US · Unknown & Unclassified · Latest available filing year: 2020 · Primary form: IRS Form 990-N

  29. Stemlife Inc

    EIN 872219682 · Headquarters: BALTIMORE, MD, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  30. Stemroot Connection

    EIN 842341447 · Headquarters: Adelphi, MD, US · Unknown & Unclassified · Latest available filing year: 2019 · Primary form: IRS Form 990-N

  31. Stephen F Austin State University PAD Prelaw Chapter

    EIN 473922846 · Headquarters: TOWSON, MD, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  32. Stephen F Austin State University Student Chapter

    EIN 521186793 · Headquarters: Bethesda, MD, US · Unknown & Unclassified · Latest available filing year: 2023 · Primary form: IRS Form 990-N

  33. Stepping Towards A New Destiny Corp

    EIN 821192567 · Headquarters: Columbia, MD, USA · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990

  34. Stetson University PAD Prelaw Chapter

    EIN 943103823 · Headquarters: TOWSON, MD, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  35. Steuart Foundation Inc

    EIN 526018699 · Headquarters: CHEVY CHASE, MD, USA · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-PF

  36. Stevenswood Improvement Association Inc

    EIN 521325004 · Headquarters: Windsor Mill, MD, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  37. Stieff Foundation Inc

    EIN 237165040 · Headquarters: LUTHERVILLE TIMONIUM, MD, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-PF

  38. Stillmeadow Community Projects Inc

    EIN 851339779 · Headquarters: Baltimore, MD, USA · Unknown & Unclassified · Latest available filing year: 2023 · Primary form: IRS Form 990

  39. Stillpointe Theatre Initiative

    EIN 452519318 · Headquarters: Parkville, MD, US · Unknown & Unclassified · Latest available filing year: 2011 · Primary form: IRS Form 990-N

  40. Stitchmasters International Inc

    EIN 854150667 · Headquarters: Fort Washington, MD, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  41. Stone and Marble Masons of Metro Washington Dc Health & Welfare Fd

    EIN 526038514 · Headquarters: COLUMBIA, MD, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990

  42. Stone Circle Tradition of Wicca - USA

    EIN 832407086 · Headquarters: COLLEGE PARK, MD, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  43. Stonegate Swim Club Inc

    EIN 521064244 · Headquarters: SILVER SPRING, MD, USA · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990

  44. Stoneleigh Community Association Inc

    EIN 520500207 · Headquarters: Baltimore, MD, USA · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990

  45. Stoney Creek Senior Citizens Incorporated

    EIN 521941005 · Headquarters: Baltimore, MD, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  46. Stony Cabin Rod & Gun Club Inc

    EIN 521450884 · Headquarters: Clear Spring, MD, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  47. Stop Animal Abuse & Neglect

    EIN 474030275 · Headquarters: Glen Burnie, MD, US · Unknown & Unclassified · Latest available filing year: 2014 · Primary form: IRS Form 990-N

  48. Storm Stars

    EIN 822092733 · Headquarters: HEBRON, MD, US · Unknown & Unclassified · Latest available filing year: 2018 · Primary form: IRS Form 990-N

  49. Str8 2 the Core Inc

    EIN 862841870 · Headquarters: Glen Burnie, MD, USA · Unknown & Unclassified · Latest available filing year: 2021 · Primary form: IRS Form 990-EZ

  50. Strategically Dunn Incorporated

    EIN 814051920 · Headquarters: Ellicott City, MD, US · Unknown & Unclassified · Latest available filing year: 2016 · Primary form: IRS Form 990-N

  51. Strathmore Bel-pre Civic Association Inc

    EIN 237089417 · Headquarters: Silver Spring, MD, US · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-N

  52. Strauss Foundation Incorporated

    EIN 526039178 · Headquarters: OWINGS MILLS, MD, USA · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-PF

  53. Strawbridge Shrine Association Inc

    EIN 526044081 · Headquarters: Baltimore, MD, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  54. Street Cred Education Consultants Inc

    EIN 923588856 · Headquarters: Harwood, MD, US · Unknown & Unclassified · Latest available filing year: 2023 · Primary form: IRS Form 990-N

  55. Streetcar Suburbs Publishing Inc

    EIN 760760669 · Headquarters: Hyattsville, MD, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990

  56. Streetlights of Bethany Church

    EIN 570789824 · Headquarters: Greenbelt, MD, US · Unknown & Unclassified · Latest available filing year: 2017 · Primary form: IRS Form 990-N

  57. Strength & Honor Motorcycle Club - Bloody Point Chapter

    EIN 392478148 · Headquarters: QUEENSTOWN, MD, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  58. Strength & Knowledge Community Foundation Inc

    EIN 270555573 · Headquarters: Columbia, MD, US · Unknown & Unclassified · Latest available filing year: 2011 · Primary form: IRS Form 990-N

  59. Strong Future Maryland Inc

    EIN 851516869 · Headquarters: Arnold, MD, USA · Unknown & Unclassified · Latest available filing year: 2022 · Primary form: IRS Form 990

  60. Strong Schools Maryland Action

    EIN 831816421 · Headquarters: Baltimore, MD, US · Unknown & Unclassified · Latest available filing year: 2019 · Primary form: IRS Form 990-N

  61. Stronghold Inc

    EIN 520560230 · Headquarters: DICKERSON, MD, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-PF

  62. Student Chapter of The Wildlife Society at the University of Georgia

    EIN 237035920 · Headquarters: Bethesda, MD, US · Unknown & Unclassified · Latest available filing year: 2023 · Primary form: IRS Form 990-N

  63. Student Development Working Group

    EIN 208570804 · Headquarters: Bethesda, MD, US · Unknown & Unclassified · Latest available filing year: 2023 · Primary form: IRS Form 990-N

  64. Student Endeavours

    EIN 991796245 · Headquarters: ANNAPOLIS, MD, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  65. Styrene Information and Research Center Inc

    EIN 522110539 · Headquarters: TOWSON, MD, USA · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990

  66. Substance Abuse Program Administrators Certification Comm

    EIN 522043074 · Headquarters: Severna Park, MD, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  67. Subud of United States of America

    EIN 273651714 · Headquarters: Dickerson, MD, US · Unknown & Unclassified · Latest available filing year: 2014 · Primary form: IRS Form 990-N

  68. Subud United States of America

    EIN 205376445 · Headquarters: Beltsville, MD, US · Unknown & Unclassified · Latest available filing year: 2014 · Primary form: IRS Form 990-N

  69. Suburban Housing Inc

    EIN 521927915 · Headquarters: NORTH BETHESDA, MD, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-EZ

  70. Suburban Maryland Psychiatric Society Inc

    EIN 521319784 · Headquarters: Bethesda, MD, US · Unknown & Unclassified · Latest available filing year: 2023 · Primary form: IRS Form 990-N

  71. Suburban Maryland Transportation Allianc

    EIN 271216553 · Headquarters: BETHESDA, MD, USA · Unknown & Unclassified · Latest available filing year: 2019 · Primary form: IRS Form 990-EZ

  72. Succor Transitional Program Inc

    EIN 462097061 · Headquarters: Baltimore, MD, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990

  73. Sudbrook Park Inc

    EIN 521589189 · Headquarters: Pikesville, MD, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  74. Sudlersville Community Betterment Club Inc

    EIN 237363738 · Headquarters: Sudlersville, MD, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  75. Sudlersville Fire Company Inc

    EIN 521320690 · Headquarters: SUDLERSVILLE, MD, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990

  76. Sue Haven Yacht Club Inc

    EIN 520905451 · Headquarters: ESSEX, MD, USA · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-EZ

  77. Sugarloaf Regional Trails

    EIN 521009195 · Headquarters: Barnesville, MD, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  78. Sul Ross State University Student Chapter

    EIN 521590236 · Headquarters: Bethesda, MD, US · Unknown & Unclassified · Latest available filing year: 2023 · Primary form: IRS Form 990-N

  79. Sullivan Family Foundation Inc

    EIN 526392050 · Headquarters: LUTHERVILLE, MD, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-PF

  80. Sullivan Kilgallen Organization for the Arts Inc

    EIN 472256426 · Headquarters: MARRIOTTSVILLE, MD, US · Unknown & Unclassified · Latest available filing year: 2016 · Primary form: IRS Form 990-N

  81. Sumi-e Society of America Inc

    EIN 136211933 · Headquarters: Rockville, MD, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  82. Summer Hill Club Inc

    EIN 520910596 · Headquarters: PHOENIX, MD, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990

  83. Summerplace Residences of Frederick Inc

    EIN 521352888 · Headquarters: FREDERICK, MD, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-EZ

  84. Summit Chase Recreation Association Inc Co Pelican Property Mgmt Co

    EIN 521733320 · Headquarters: TOWSON, MD, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990

  85. Summit Vault & Sports Fitness

    EIN 852946604 · Headquarters: Marriottsville, MD, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  86. Sumner Garden Club

    EIN 526081815 · Headquarters: Bethesda, MD, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  87. Sumner T Mcknight Foundation

    EIN 416022360 · Headquarters: BALTIMORE, MD, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-PF

  88. Sun Snow and Surf Ski Club Inc

    EIN 521938393 · Headquarters: Columbia, MD, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-EZ

  89. Sunflower Education Exchange Development Foundation

    EIN 821112222 · Headquarters: Elkridge, MD, US · Unknown & Unclassified · Latest available filing year: 2021 · Primary form: IRS Form 990-N

  90. Sunnybrook Community Association Inc

    EIN 521264347 · Headquarters: Phoenix, MD, US · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-N

  91. Sunrise Charitable Foundation Trust C/o Antoine Van Agtmael

    EIN 526560157 · Headquarters: BETHESDA, MD, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-PF

  92. Sunset View Civic Association Inc

    EIN 526058418 · Headquarters: LaVale, MD, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  93. SUNY Albany PAD Prelaw Chapter

    EIN 943152182 · Headquarters: TOWSON, MD, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  94. SUNY Geneseo PAD Prelaw Chapter

    EIN 954631196 · Headquarters: TOWSON, MD, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  95. Super Solution Program

    EIN 473703076 · Headquarters: BALTIMORE, MD, US · Unknown & Unclassified · Latest available filing year: 2017 · Primary form: IRS Form 990-N

  96. Supporting Older Adults Through Resources Inc

    EIN 463716967 · Headquarters: FREDERICK, MD, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990

  97. Supreme Temple Pythian Sisters

    EIN 237562209 · Headquarters: Bowie, MD, US · Unknown & Unclassified · Latest available filing year: 2019 · Primary form: IRS Form 990-N

  98. Supreme Temple Pythian Sisters

    EIN 237562215 · Headquarters: Gaithersburg, MD, US · Unknown & Unclassified · Latest available filing year: 2019 · Primary form: IRS Form 990-N

  99. Sur Bahar Inc

    EIN 471052454 · Headquarters: White Marsh, MD, US · Unknown & Unclassified · Latest available filing year: 2016 · Primary form: IRS Form 990-N

  100. Sure Anchor Christian Counseling

    EIN 931339328 · Headquarters: Essex, MD, US · Unknown & Unclassified · Latest available filing year: 2023 · Primary form: IRS Form 990-N

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