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. Maryland Youth Terps Sports Academy Inc

    EIN 812649266 · Headquarters: Waldorf, MD, US · Youth Development · Latest available filing year: 2024 · Primary form: IRS Form 990-N

  2. Maryland-dc Composting Council

    EIN 934825216 · Headquarters: Cockeysville, MD, US · Environment · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  3. Maryland-dc-Delaware USA Softball

    EIN 521344960 · Headquarters: Centerville, MD, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-EZ

  4. Maryland-Delaware Ayrshire Breeders Assoc Inc

    EIN 272502427 · Headquarters: Woodbine, MD, US · Animal Related · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  5. Maryland-Delaware-dc Press Association Inc

    EIN 526044092 · Headquarters: BALTIMORE, MD, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990

  6. Maryland-Delaware-dc Press Foundation Inc

    EIN 522135767 · Headquarters: BALTIMORE, MD, USA · Education · Latest available filing year: 2024 · Primary form: IRS Form 990-PF

  7. Maryland-dist of Columbia-utilities Assn

    EIN 526054289 · Headquarters: Denton, MD, USA · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-EZ

  8. Maryland-district of Columbia Society for Healthcare Risk Manage

    EIN 270907021 · Headquarters: Laurel, MD, US · Community Improvement & Capacity Building · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  9. Maryland-elite Soccer Foundation

    EIN 841834171 · Headquarters: Port Republic, MD, US · Recreation & Sports · Latest available filing year: 2021 · Primary form: IRS Form 990-N

  10. Maryland-india Business Roundtable Inc

    EIN 760820833 · Headquarters: COLLEGE PARK, MD, USA · Unknown & Unclassified · Latest available filing year: 2011 · Primary form: IRS Form 990-EZ

  11. Maryland-national Capital Homecare Association

    EIN 521281148 · Headquarters: COCKEYSVILLE, MD, USA · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990

  12. Maryland-national Capital Park and Planning Commission Retirees Asso

    EIN 301451286 · Headquarters: LAUREL, MD, US · Public & Societal Benefit · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  13. Marylanddc Collaborative For

    EIN 510508778 · Headquarters: BALTIMORE, MD, USA · Health Care · Latest available filing year: 2009 · Primary form: IRS Form 990

  14. Marylanders for a Free Palestine and Secure Israel

    EIN 611478483 · Headquarters: Columbia, MD, US · Education · Latest available filing year: 2010 · Primary form: IRS Form 990-N

  15. Marylanders for Better Beer and Wine Laws Inc

    EIN 204675814 · Headquarters: BALTIMORE, MD, US · Public & Societal Benefit · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  16. Marylanders for Coherent & Fair Representation Inc

    EIN 453597681 · Headquarters: Towson, MD, US · Recreation & Sports · Latest available filing year: 2014 · Primary form: IRS Form 990-N

  17. Marylanders for End-of-life Options

    EIN 824046602 · Headquarters: Rockville, MD, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  18. Marylanders for Progress

    EIN 522189813 · Headquarters: Fort Washington, MD, US · Human Services · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  19. Marylanders for Public Research Universities Inc

    EIN 264439692 · Headquarters: College Park, MD, US · Education · Latest available filing year: 2013 · Primary form: IRS Form 990-N

  20. Marylanders for Restorative Justice

    EIN 205941058 · Headquarters: TAKOMA PARK, MD, US · Community Improvement & Capacity Building · Latest available filing year: 2019 · Primary form: IRS Form 990-N

  21. Marylanders for Tax Fairness Inc

    EIN 853589387 · Headquarters: ANNAPOLIS, MD, USA · Unknown & Unclassified · Latest available filing year: 2023 · Primary form: IRS Form 990-EZ

  22. Marylanders to Prevent Gun Violence Education Fund Inc

    EIN 462756378 · Headquarters: BALTIMORE, MD, USA · Crime & Legal Related · Latest available filing year: 2024 · Primary form: IRS Form 990-EZ

  23. Marylanders to Prevent Gun Violence Inc

    EIN 461813392 · Headquarters: BALTIMORE, MD, USA · Crime & Legal Related · Latest available filing year: 2024 · Primary form: IRS Form 990-EZ

  24. Marylandisrael Development Center Inc

    EIN 521777737 · Headquarters: BALTIMORE, MD, USA · Community Improvement & Capacity Building · Latest available filing year: 2024 · Primary form: IRS Form 990

  25. Marylandonline Inc

    EIN 522214770 · Headquarters: ANNAPOLIS, MD, USA · Education · Latest available filing year: 2024 · Primary form: IRS Form 990

  26. Marylandreportercom Inc

    EIN 270853887 · Headquarters: COLUMBIA, MD, USA · Civil Rights, Social Action & Advocacy · Latest available filing year: 2024 · Primary form: IRS Form 990-EZ

  27. Marylands Biggest Bash Inc

    EIN 271735910 · Headquarters: JESSUP, MD, US · Philanthropy, Voluntarism & Grantmaking Foundations · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  28. Marylands Four Centuries Project

    EIN 833234458 · Headquarters: Towson, MD, US · Arts, Culture & Humanities · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  29. Marylands International Corridor Community Dev

    EIN 522095680 · Headquarters: HAYATTSVILLE, MD, USA · Community Improvement & Capacity Building · Latest available filing year: 2021 · Primary form: IRS Form 990-EZ

  30. Maryley Elementary Pta Inc

    EIN 237030473 · Headquarters: Glen Burnie, MD, US · Education · Latest available filing year: 2024 · Primary form: IRS Form 990-N

  31. Marymount Alumni Association USA Canada Incorporated

    EIN 813078242 · Headquarters: Silver Spring, MD, USA · Public & Societal Benefit · Latest available filing year: 2024 · Primary form: IRS Form 990-EZ

  32. Marypak Corporation

    EIN 842947682 · Headquarters: Laurel, MD, USA · Human Services · Latest available filing year: 2025 · Primary form: IRS Form 990-EZ

  33. Marypirg Citizen Lobby Inc

    EIN 521818910 · Headquarters: BALTIMORE, MD, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990

  34. Marys Army Inc

    EIN 814409922 · Headquarters: Abingdon, MD, US · Health Care · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  35. Marys Fund Foundation Inc

    EIN 352220504 · Headquarters: PHOENIX, MD, USA · Philanthropy, Voluntarism & Grantmaking Foundations · Latest available filing year: 2025 · Primary form: IRS Form 990-PF

  36. Marys Helping Hands

    EIN 364679248 · Headquarters: White Plains, MD, US · Human Services · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  37. Marys Homes Inc

    EIN 844484138 · Headquarters: WHITE PLAINS, MD, USA · Housing & Shelter · Latest available filing year: 2025 · Primary form: IRS Form 990-EZ

  38. Marys Recovery House Inc

    EIN 272355758 · Headquarters: STEVENSVILLE, MD, US · Human Services · Latest available filing year: 2012 · Primary form: IRS Form 990-N

  39. Marys Supportive Housing Inc

    EIN 862250778 · Headquarters: Baltimore, MD, US · Mental Health & Crisis Intervention · Latest available filing year: 2024 · Primary form: IRS Form 990-N

  40. Masdho Inc

    EIN 810870759 · Headquarters: CUMBERLAND, MD, USA · Education · Latest available filing year: 2019 · Primary form: IRS Form 990-EZ

  41. Maseleh Descendants Association

    EIN 204003667 · Headquarters: Fort Washington, MD, US · International, Foreign Affairs & National Security · Latest available filing year: 2023 · Primary form: IRS Form 990-N

  42. Masjid Ibn Taymiyyah

    EIN 273685633 · Headquarters: Glenarden, MD, US · Religion Related · Latest available filing year: 2022 · Primary form: IRS Form 990-N

  43. Masjid Mustafa Inc

    EIN 462330836 · Headquarters: Halethorpe, MD, US · Religion Related · Latest available filing year: 2024 · Primary form: IRS Form 990-N

  44. Masjid Us Salaam Inc

    EIN 200738610 · Headquarters: Baltimore, MD, US · Religion Related · Latest available filing year: 2009 · Primary form: IRS Form 990-N

  45. Maslow House Inc

    EIN 863985641 · Headquarters: Oakland, MD, USA · Housing & Shelter · Latest available filing year: 2021 · Primary form: IRS Form 990-EZ

  46. Mason and Dixon Kennel Club Inc

    EIN 824982866 · Headquarters: BOONSBORO, MD, USA · Animal Related · Latest available filing year: 2024 · Primary form: IRS Form 990-EZ

  47. Mason Dixon Approved Baseball Umpires Association Inc

    EIN 237396139 · Headquarters: COCKEYSVILLE, MD, US · Recreation & Sports · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  48. Mason Dixon Chapter of N C R S Inc

    EIN 521729706 · Headquarters: Owings mills, MD, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  49. Mason Dixon Game Outfitters Hope Inc

    EIN 931352761 · Headquarters: Pylesville, MD, US · Animal Related · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  50. Mason Dixon Guards

    EIN 611636028 · Headquarters: Centreville, MD, USA · Arts, Culture & Humanities · Latest available filing year: 2025 · Primary form: IRS Form 990-PF

  51. Mason Dixon Historical Society Inc

    EIN 237309592 · Headquarters: Westminster, MD, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  52. Mason Dixon Myotonic Goat Club

    EIN 833274875 · Headquarters: Rocky Ridge, MD, US · Animal Related · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  53. Mason Dixon Paso Fino Horse Association Inc

    EIN 421585745 · Headquarters: Taneytown, MD, US · Recreation & Sports · Latest available filing year: 2014 · Primary form: IRS Form 990-N

  54. Mason Dixon Post 194

    EIN 520734467 · Headquarters: RISING SUN, MD, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990

  55. Mason Dixon Roller Vixens Inc

    EIN 461943837 · Headquarters: HAGERSTOWN, MD, USA · Recreation & Sports · Latest available filing year: 2024 · Primary form: IRS Form 990-EZ

  56. Mason Dixon Scholarship Camp

    EIN 921819052 · Headquarters: Hagerstown, MD, US · Recreation & Sports · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  57. Mason Dixon Scholarship Fund Inc

    EIN 394983807 · Headquarters: Hancock, MD, US · Education · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  58. Mason Dixon Search Dogs Inc

    EIN 521901218 · Headquarters: ABINGDON, MD, USA · Public Safety, Disaster Preparedness & Relief · Latest available filing year: 2025 · Primary form: IRS Form 990

  59. Mason Dixon Square Dancers Federation Inc

    EIN 526054285 · Headquarters: Silver Spring, MD, USA · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-EZ

  60. Mason Family Charitable Trust

    EIN 526851030 · Headquarters: Lutherville Timonium, MD, USA · Philanthropy, Voluntarism & Grantmaking Foundations · Latest available filing year: 2025 · Primary form: IRS Form 990-PF

  61. Mason Jar Press Inc

    EIN 333574321 · Headquarters: Baltimore, MD, US · Arts, Culture & Humanities · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  62. Mason Springs Conservancy Inc

    EIN 651270984 · Headquarters: Waldorf, MD, US · Environment · Latest available filing year: 2024 · Primary form: IRS Form 990-N

  63. Mason-dixon Collie Club Inc

    EIN 272537752 · Headquarters: Ijamsville, MD, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  64. Mason-dixon Council Inc Boy Scouts of America

    EIN 520591680 · Headquarters: HAGERSTOWN, MD, USA · Unknown & Unclassified · Latest available filing year: 2023 · Primary form: IRS Form 990

  65. Mason-dixon Dolphins Inc

    EIN 510474980 · Headquarters: BERLIN, MD, US · Mutual & Membership Benefit · Latest available filing year: 2016 · Primary form: IRS Form 990-N

  66. Mason-dixon Lawnmower Racing Association

    EIN 455197969 · Headquarters: Laurel, MD, US · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-N

  67. Mason-dixon Outdoor Writers Association Inc

    EIN 521952856 · Headquarters: HAGERSTOWN, MD, US · Arts, Culture & Humanities · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  68. Mason-dixon Trail System Inc

    EIN 232116461 · Headquarters: COLORA, MD, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  69. Masonic Angel Foundation Inc

    EIN 204290533 · Headquarters: Bel Air, MD, US · Mutual & Membership Benefit · Latest available filing year: 2014 · Primary form: IRS Form 990-N

  70. Masonic Awareness Society of North America Inc

    EIN 471455849 · Headquarters: Bethesda, MD, US · Mutual & Membership Benefit · Latest available filing year: 2015 · Primary form: IRS Form 990-N

  71. Masonic Charities of Havre De Grace Inc

    EIN 472168746 · Headquarters: Havre de Grace, MD, US · Public & Societal Benefit · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  72. Masonic Charities of Maryland Inc

    EIN 521470411 · Headquarters: COCKEYSVILLE, MD, USA · Mutual & Membership Benefit · Latest available filing year: 2024 · Primary form: IRS Form 990

  73. Masonic Peace Institute Inc

    EIN 204689958 · Headquarters: Abingdon, MD, US · International, Foreign Affairs & National Security · Latest available filing year: 2023 · Primary form: IRS Form 990-N

  74. Masonic Temple Trustees

    EIN 520405683 · Headquarters: Easton, MD, US · Unknown & Unclassified · Latest available filing year: 2007 · Primary form: IRS Form 990-N

  75. Masonstrong Village Inc

    EIN 842182836 · Headquarters: Olney, MD, US · Human Services · Latest available filing year: 2024 · Primary form: IRS Form 990-N

  76. MASS Health Solutions Inc

    EIN 822353197 · Headquarters: Silver Spring, MD, US · Human Services · Latest available filing year: 2019 · Primary form: IRS Form 990-N

  77. Massb Foundation

    EIN 261192752 · Headquarters: Annapolis, MD, USA · Human Services · Latest available filing year: 2025 · Primary form: IRS Form 990

  78. Massey Air Museum Inc

    EIN 371454652 · Headquarters: MASSEY, MD, USA · Arts, Culture & Humanities · Latest available filing year: 2025 · Primary form: IRS Form 990-EZ

  79. Massey H Roe Youth Foundation Inc

    EIN 521598800 · Headquarters: Hagerstown, MD, US · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-N

  80. Massok English Immersion School

    EIN 352407493 · Headquarters: Beltsville, MD, USA · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  81. Mastee International

    EIN 311638127 · Headquarters: Potomac, MD, US · Religion Related · Latest available filing year: 2012 · Primary form: IRS Form 990-N

  82. Mastermind 613 Inc

    EIN 933977997 · Headquarters: Pikesville, MD, US · Unknown & Unclassified · Latest available filing year: 2023 · Primary form: IRS Form 990-N

  83. Masters Bible Institute of Maryland Inc

    EIN 882984265 · Headquarters: Aberdeen, MD, US · Religion Related · Latest available filing year: 2024 · Primary form: IRS Form 990-N

  84. Masters Highway Inc

    EIN 320489659 · Headquarters: THURMONT, MD, US · Religion Related · Latest available filing year: 2016 · Primary form: IRS Form 990-N

  85. Masters Mates & Pilots Disaster Relief Fund Inc

    EIN 203421924 · Headquarters: LINTHICUM HEIGHTS, MD, US · Public Safety, Disaster Preparedness & Relief · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  86. Masters Mates & Pilots Vacation Fund

    EIN 135638830 · Headquarters: LINTHICUM HEIGHTS, MD, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990

  87. Masters Pieces Productions

    EIN 472343814 · Headquarters: Riverdale, MD, US · Arts, Culture & Humanities · Latest available filing year: 2023 · Primary form: IRS Form 990-N

  88. Masters Touch Inc

    EIN 384129662 · Headquarters: Beltsvile, MD, US · Religion Related · Latest available filing year: 2024 · Primary form: IRS Form 990-N

  89. Mastersingers USA Inc

    EIN 823439507 · Headquarters: Rockville, MD, USA · Arts, Culture & Humanities · Latest available filing year: 2025 · Primary form: IRS Form 990-EZ

  90. Masterworks Chorale of Carroll County Inc

    EIN 521072706 · Headquarters: Westminster, MD, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-EZ

  91. Mastery of the Mind Inc

    EIN 934236015 · Headquarters: POTOMAC, MD, USA · Education · Latest available filing year: 2025 · Primary form: IRS Form 990-PF

  92. Matan B'Saiser Inc

    EIN 454343363 · Headquarters: Towson, MD, USA · Philanthropy, Voluntarism & Grantmaking Foundations · Latest available filing year: 2013 · Primary form: IRS Form 990-PF

  93. Matan Family Foundation Inc

    EIN 275370859 · Headquarters: FREDERICK, MD, USA · Philanthropy, Voluntarism & Grantmaking Foundations · Latest available filing year: 2025 · Primary form: IRS Form 990-PF

  94. Matapeake Elementary School PTA

    EIN 800092318 · Headquarters: Stevensville, MD, USA · Education · Latest available filing year: 2022 · Primary form: IRS Form 990-EZ

  95. Match Wellness Foundation Inc C/o Albert Delia

    EIN 394263813 · Headquarters: CUMBERLAND, MD, USA · Education · Latest available filing year: 2025 · Primary form: IRS Form 990-EZ

  96. Mater Dei Council Charities Inc

    EIN 300093320 · Headquarters: Rockville, MD, USA · Philanthropy, Voluntarism & Grantmaking Foundations · Latest available filing year: 2024 · Primary form: IRS Form 990-EZ

  97. Mater Dei School Inc

    EIN 520906575 · Headquarters: BETHESDA, MD, USA · Education · Latest available filing year: 2024 · Primary form: IRS Form 990

  98. Math4all

    EIN 883871542 · Headquarters: Boyds, MD, US · Education · Latest available filing year: 2024 · Primary form: IRS Form 990-N

  99. Mathnstem Academy Inc

    EIN 920792329 · Headquarters: Upper Marlboro, MD, US · Public & Societal Benefit · Latest available filing year: 2024 · Primary form: IRS Form 990-N

  100. Matilda and Murray Blackstone Foundation

    EIN 521538719 · Headquarters: BETHESDA, MD, USA · Unknown & Unclassified · Latest available filing year: 2023 · Primary form: IRS Form 990-PF

First page and all pages