Nonprofits in Maryland

Nonprofits in Maryland. Browse 47,413 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. Society of Bedside Medicine Inc

    EIN 815330550 · Headquarters: BALTIMORE, MD, USA · Health Care · Latest available filing year: 2024 · Primary form: IRS Form 990-EZ

  2. Society of Clinical Placement Professionals Inc

    EIN 991273815 · Headquarters: Ellicott City, MD, US · Education · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  3. Society of Colonial Wars in the State of Maryland

    EIN 521169335 · Headquarters: Ruxton, MD, US · Arts, Culture & Humanities · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  4. Society of Cosmetic Chemists

    EIN 521398221 · Headquarters: Hanover, MD, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  5. Society of Critical Care Medicine

    EIN 263661478 · Headquarters: Baltimore, MD, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  6. Society of Critical Care Medicine

    EIN 521918394 · Headquarters: Frederick, MD, US · Diseases, Disorders & Medical Disciplines · Latest available filing year: 2008 · Primary form: IRS Form 990-N

  7. Society of Enlightened Thrill Seekers

    EIN 923429634 · Headquarters: Bethesda, MD, US · Community Improvement & Capacity Building · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  8. Society of Experimental Social

    EIN 223059042 · Headquarters: College Park, MD, USA · Mental Health & Crisis Intervention · Latest available filing year: 2011 · Primary form: IRS Form 990

  9. Society of Fire Protection Engineers

    EIN 061059016 · Headquarters: College Park, MD, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  10. Society of Fire Protection Engineers - Umd Student Chapter Ll

    EIN 870944599 · Headquarters: College Park, MD, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  11. Society of Fire Protection Engineers Inc

    EIN 046108834 · Headquarters: Gaithersburg, MD, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990

  12. Society of Gender Professionals

    EIN 824533807 · Headquarters: Jefferson, MD, US · Education · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  13. Society of Health and Physical Educators

    EIN 521071317 · Headquarters: Manchester, MD, US · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-N

  14. Society of Ignatian Fellows

    EIN 852036537 · Headquarters: Mount Rainier, MD, US · Education · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  15. Society of Loyola Old Boys Inc

    EIN 463858380 · Headquarters: Lothian, MD, USA · Education · Latest available filing year: 2024 · Primary form: IRS Form 990-EZ

  16. Society of Manufacturing Engineers

    EIN 526018510 · Headquarters: Glen Burnie, MD, US · Science & Technology · Latest available filing year: 2015 · Primary form: IRS Form 990-N

  17. Society of Manufacturing Engineers

    EIN 994869259 · Headquarters: Gaithersburg, MD, US · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-N

  18. Society of Market Technicians

    EIN 521741638 · Headquarters: Silver Spring, MD, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  19. Society of Mary

    EIN 510336809 · Headquarters: Baltimore, MD, US · Human Services · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  20. Society of Mayflower Descendants in the State of Maryland

    EIN 526054808 · Headquarters: Chesapeake Beach, MD, USA · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-EZ

  21. Society of Medical Administrators Foundation

    EIN 993758476 · Headquarters: BEL AIR, MD, USA · Community Improvement & Capacity Building · Latest available filing year: 2025 · Primary form: IRS Form 990-EZ

  22. Society of Military Ophthalmologist Inc

    EIN 521591152 · Headquarters: Bethesda, MD, US · Diseases, Disorders & Medical Disciplines · Latest available filing year: 2018 · Primary form: IRS Form 990-N

  23. Society of Military Orthopaedic Surgeons

    EIN 237297572 · Headquarters: TOWSON, MD, USA · Diseases, Disorders & Medical Disciplines · Latest available filing year: 2024 · Primary form: IRS Form 990

  24. Society of Military Widows

    EIN 237108475 · Headquarters: Upper Marlboro, MD, US · Human Services · Latest available filing year: 2016 · Primary form: IRS Form 990-N

  25. Society of Musiccrafters

    EIN 521689330 · Headquarters: Rockville, MD, US · Unknown & Unclassified · Latest available filing year: 2020 · Primary form: IRS Form 990-N

  26. Society of Neuroplastic Surgery Inc

    EIN 831695326 · Headquarters: Cockeysville, MD, US · Health Care · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  27. Society of One Americas Defenders Inc

    EIN 462314701 · Headquarters: Elkton, MD, US · Youth Development · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  28. Society of Professional Benefit Administrators

    EIN 521156864 · Headquarters: CHEVY CHASE, MD, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990

  29. Society of Professional Journalists

    EIN 311468429 · Headquarters: Colllege PArk, MD, US · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-N

  30. Society of Professional Journalists

    EIN 526057255 · Headquarters: Salisbury, MD, US · Mutual & Membership Benefit · Latest available filing year: 2019 · Primary form: IRS Form 990-N

  31. Society of Saint Vincent De Paul

    EIN 320542646 · Headquarters: Derwood, MD, US · Human Services · Latest available filing year: 2024 · Primary form: IRS Form 990-N

  32. Society of Saint Vincent De Paul Mother Seton Parish Conference

    EIN 465637446 · Headquarters: Germantown, MD, US · Human Services · Latest available filing year: 2024 · Primary form: IRS Form 990-N

  33. Society of Saint Vincent De Paul Saints Peter and Paul Conference Inc

    EIN 825261263 · Headquarters: EASTON, MD, USA · Housing & Shelter · Latest available filing year: 2023 · Primary form: IRS Form 990

  34. Society of Sigma Xi John Hopkins Chapter

    EIN 526003091 · Headquarters: Baltimore, MD, US · Education · Latest available filing year: 2010 · Primary form: IRS Form 990-N

  35. Society of Sons of the Revolution in the State of Maryland

    EIN 526075608 · Headquarters: Pasadena, MD, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  36. Society of St Paul 2111 Conference

    EIN 461722682 · Headquarters: Baltimore, MD, US · Human Services · Latest available filing year: 2012 · Primary form: IRS Form 990-N

  37. Society of St Vincent De Paul Baltimore Council Inc

    EIN 461109791 · Headquarters: Thurmont, MD, US · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-N

  38. Society of St Vincent De Paul Baltimore Council Inc

    EIN 471315592 · Headquarters: Baltimore, MD, US · Unknown & Unclassified · Latest available filing year: 2023 · Primary form: IRS Form 990-N

  39. Society of St Vincent De Paul Baltimore Council Inc

    EIN 471528971 · Headquarters: COLUMBIA, MD, US · Unknown & Unclassified · Latest available filing year: 2020 · Primary form: IRS Form 990-N

  40. Society of St Vincent De Paul Baltimore Council Inc

    EIN 852863110 · Headquarters: Parkville, MD, US · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-N

  41. Society of St Vincent De Paul Baltimore Council Inc

    EIN 853847995 · Headquarters: Baltimore, MD, US · Unknown & Unclassified · Latest available filing year: 2023 · Primary form: IRS Form 990-N

  42. Society of St Vincent De Paul Baltimore Council Inc

    EIN 854113983 · Headquarters: Baltimore, MD, US · Unknown & Unclassified · Latest available filing year: 2023 · Primary form: IRS Form 990-N

  43. Society of St Vincent De Paul Baltimore Council Inc

    EIN 854309691 · Headquarters: RANDALLSTOWN, MD, US · Unknown & Unclassified · Latest available filing year: 2023 · Primary form: IRS Form 990-N

  44. Society of St Vincent De Paul Baltimore Council Inc

    EIN 901899153 · Headquarters: Glen Burnie, MD, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-EZ

  45. Society of St Vincent De Paul Resurrection-St Paul Conference

    EIN 461411668 · Headquarters: Ellicott City, MD, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990

  46. Society of St Vincent De Paul St Aloysius

    EIN 352388716 · Headquarters: Leonardtown, MD, US · Religion Related · Latest available filing year: 2024 · Primary form: IRS Form 990-N

  47. Society of St Vincent De Paul St Elizabeth Conference

    EIN 320737977 · Headquarters: ROCKVILLE, MD, US · Human Services · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  48. Society of St Vincent De Paul St John Neumann

    EIN 455315747 · Headquarters: Gaithersburg, MD, US · Human Services · Latest available filing year: 2024 · Primary form: IRS Form 990-N

  49. Society of St Vincent De Paul St Johns Conference

    EIN 830737125 · Headquarters: SEVERNA PARK, MD, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990

  50. Society of St Vincent De Paul St Joseph Sykesville Conference

    EIN 844186386 · Headquarters: SYKESVILLE, MD, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-EZ

  51. Society of St Vincent De Paul St Martin of Tours Conference

    EIN 352454847 · Headquarters: Gaithersburg, MD, US · Human Services · Latest available filing year: 2024 · Primary form: IRS Form 990-N

  52. Society of St Vincent Depaul Baltimore Council Inc

    EIN 271365725 · Headquarters: Baltimore, MD, US · Human Services · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  53. Society of St Vincent Depaul Baltimore Council Inc

    EIN 461250614 · Headquarters: Arnold, MD, US · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-N

  54. Society of St Vincent Depaul Baltimore Council Inc

    EIN 462209383 · Headquarters: Rosedale, MD, US · Food, Agriculture & Nutrition · Latest available filing year: 2023 · Primary form: IRS Form 990-N

  55. Society of St Vincent Depaul Baltimore Council Inc

    EIN 822883154 · Headquarters: MIDDLETOWN, MD, US · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-N

  56. Society of St Vincent Depaul Baltimore Council Inc

    EIN 852918778 · Headquarters: DAVIDSONVILLE, MD, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  57. Society of the Fifth Division

    EIN 366118376 · Headquarters: Easton, MD, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  58. Society of the Infant Jesus Inc

    EIN 134275391 · Headquarters: COLUMBIA, MD, USA · Religion Related · Latest available filing year: 2024 · Primary form: IRS Form 990-EZ

  59. Society of the Lees of Virginia C/o Jennifer Dowd

    EIN 237115411 · Headquarters: SHERWOOD FOREST, MD, USA · Arts, Culture & Humanities · Latest available filing year: 2025 · Primary form: IRS Form 990

  60. Society of the Little Sisters of the Poor of New Orleans Inc

    EIN 720494599 · Headquarters: BALTIMORE, MD, USA · Health Care · Latest available filing year: 2025 · Primary form: IRS Form 990-EZ

  61. Society of the War of 1812 in the State of Maryland of Baltimore

    EIN 520789954 · Headquarters: Columbia, MD, USA · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990

  62. Society of Transnational Academic Researchers

    EIN 823907976 · Headquarters: Nottinhgam, MD, US · Education · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  63. Society of Uniformed Services Psychiatrists

    EIN 542038924 · Headquarters: Severna Park, MD, US · Community Improvement & Capacity Building · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  64. Society of Utah Medical Oncologists

    EIN 352323382 · Headquarters: SEVERNA PARK, MD, USA · Community Improvement & Capacity Building · Latest available filing year: 2024 · Primary form: IRS Form 990

  65. Society of Women Engineers

    EIN 232589280 · Headquarters: ANNAPOLIS, MD, US · Civil Rights, Social Action & Advocacy · Latest available filing year: 2011 · Primary form: IRS Form 990-N

  66. Society of Women Engineers

    EIN 521722609 · Headquarters: Baltimore, MD, US · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-N

  67. Society to Preserve H L Menckens Legacy Inc

    EIN 300261990 · Headquarters: Baltimore, MD, US · Arts, Culture & Humanities · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  68. Socs Inc Co Debora Fajer-smith

    EIN 522214194 · Headquarters: GREENBELT, MD, USA · Youth Development · Latest available filing year: 2011 · Primary form: IRS Form 990-PF

  69. Socty of Gyne Nurse Oncologists

    EIN 840904554 · Headquarters: SEVERNA PARK, MD, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-EZ

  70. Soda Fund Inc

    EIN 831842369 · Headquarters: Potomac, MD, US · Human Services · Latest available filing year: 2023 · Primary form: IRS Form 990-N

  71. Sodexo Employee Disaster Relief Fund Inc

    EIN 202310255 · Headquarters: NORTH BETHESDA, MD, USA · Public Safety, Disaster Preparedness & Relief · Latest available filing year: 2024 · Primary form: IRS Form 990

  72. SODEXO Inc Dependent Care Plan

    EIN 311640231 · Headquarters: North Bethesda, MD, USA · Mutual & Membership Benefit · Latest available filing year: 2025 · Primary form: IRS Form 990

  73. SODEXO INC Vacation Plan & Trust Agreement

    EIN 311639556 · Headquarters: North Bethesda, MD, USA · Mutual & Membership Benefit · Latest available filing year: 2024 · Primary form: IRS Form 990

  74. Sodexo Stop Hunger Foundation Inc

    EIN 311652380 · Headquarters: NORTH BETHESDA, MD, USA · Food, Agriculture & Nutrition · Latest available filing year: 2024 · Primary form: IRS Form 990

  75. Sodo Arts Inc

    EIN 923399901 · Headquarters: Hagerstown, MD, US · Human Services · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  76. Sofete Sisterhood Inc

    EIN 932178754 · Headquarters: Gambrills, MD, US · Arts, Culture & Humanities · Latest available filing year: 2024 · Primary form: IRS Form 990-N

  77. Soft Paws Sanctuary

    EIN 394371688 · Headquarters: Lusby, MD, US · Animal Related · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  78. Softball Leage of Maryland Denis Martinez Inc

    EIN 300681407 · Headquarters: SILVER SPRING, MD, US · Recreation & Sports · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  79. Software in Defense Coalition Incorporated

    EIN 331300600 · Headquarters: BALTIMORE, MD, US · Community Improvement & Capacity Building · Latest available filing year: 2024 · Primary form: IRS Form 990-N

  80. Software Literacy Foundation

    EIN 451445070 · Headquarters: Silver Spring, MD, US · Education · Latest available filing year: 2012 · Primary form: IRS Form 990-N

  81. Sogaa Inc

    EIN 471735622 · Headquarters: Baltimore, MD, US · Unknown & Unclassified · Latest available filing year: 2015 · Primary form: IRS Form 990-N

  82. Sogremlegal Immigration Advocates Inc

    EIN 992134977 · Headquarters: LAUREL, MD, USA · Civil Rights, Social Action & Advocacy · Latest available filing year: 2024 · Primary form: IRS Form 990-EZ

  83. Sohn Md Dc Chapter

    EIN 880522734 · Headquarters: Manchester, MD, US · Health Care · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  84. Sohy Co-op Limited

    EIN 843684143 · Headquarters: Hyattsville, MD, US · Mutual & Membership Benefit · Latest available filing year: 2023 · Primary form: IRS Form 990-N

  85. Soil & Water Conservation Society Maryland Old Line Chapter

    EIN 521702754 · Headquarters: La Plata, MD, US · Environment · Latest available filing year: 2013 · Primary form: IRS Form 990-N

  86. Soil and Water Conservation Society

    EIN 521332669 · Headquarters: Silver Spring, MD, US · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-N

  87. Sojourner Douglass College

    EIN 520954654 · Headquarters: BALTIMORE, MD, USA · Education · Latest available filing year: 2012 · Primary form: IRS Form 990

  88. Sojourner Douglass Inner Harbor East Community Development Corp

    EIN 364593599 · Headquarters: N Caroline Street, MD, US · Community Improvement & Capacity Building · Latest available filing year: 2010 · Primary form: IRS Form 990-N

  89. Sojourner Kilwinning Chapter No 17 Royal Arch Masons of the District

    EIN 912092891 · Headquarters: Bowie, MD, US · Mutual & Membership Benefit · Latest available filing year: 2024 · Primary form: IRS Form 990-N

  90. Sokol Baltimore Inc

    EIN 520681640 · Headquarters: PERRY HALL, MD, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990

  91. Sokupaz Inc

    EIN 871205369 · Headquarters: Laurel, MD, US · Education · Latest available filing year: 2024 · Primary form: IRS Form 990-N

  92. Solace Health Foundation Inc

    EIN 900776384 · Headquarters: Hanover, MD, US · Health Care · Latest available filing year: 2018 · Primary form: IRS Form 990-N

  93. Solar Empowerment Initiative Incorporated

    EIN 822754169 · Headquarters: SILVER SPRING, MD, US · International, Foreign Affairs & National Security · Latest available filing year: 2023 · Primary form: IRS Form 990-N

  94. Solar for Education Inc

    EIN 843803340 · Headquarters: Silver Spring, MD, US · Community Improvement & Capacity Building · Latest available filing year: 2021 · Primary form: IRS Form 990-N

  95. Solar Freeze Inc

    EIN 833401618 · Headquarters: Hyattsville, MD, USA · Environment · Latest available filing year: 2024 · Primary form: IRS Form 990

  96. Solar Quest Foundation Inc

    EIN 843056988 · Headquarters: Rockville, MD, USA · Philanthropy, Voluntarism & Grantmaking Foundations · Latest available filing year: 2024 · Primary form: IRS Form 990-PF

  97. Solar Umbrella Academy Corp

    EIN 331354026 · Headquarters: WALDORF, MD, US · Community Improvement & Capacity Building · Latest available filing year: 2024 · Primary form: IRS Form 990-N

  98. Solar Village Project Inc

    EIN 471884355 · Headquarters: Crofton, MD, USA · International, Foreign Affairs & National Security · Latest available filing year: 2024 · Primary form: IRS Form 990

  99. Solateach Inc

    EIN 395104289 · Headquarters: Rockville, MD, US · Education · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  100. Soldier2soldier Inc

    EIN 833956026 · Headquarters: Bryans Road, MD, US · Philanthropy, Voluntarism & Grantmaking Foundations · Latest available filing year: 2025 · Primary form: IRS Form 990-N

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