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. One Commandment Corp

    EIN 862112496 · Headquarters: Odenton, MD, US · Housing & Shelter · Latest available filing year: 2023 · Primary form: IRS Form 990-N

  2. One Day at a Time Corporation

    EIN 862243998 · Headquarters: Dundalk, MD, US · Youth Development · Latest available filing year: 2021 · Primary form: IRS Form 990-N

  3. One Day at a Time Inc

    EIN 800222081 · Headquarters: TEMPLE HILLS, MD, USA · Crime & Legal Related · Latest available filing year: 2013 · Primary form: IRS Form 990

  4. One Dollar for People of Burma Inc

    EIN 880833878 · Headquarters: Germantown, MD, USA · International, Foreign Affairs & National Security · Latest available filing year: 2025 · Primary form: IRS Form 990-EZ

  5. One Flag Charities Inc

    EIN 853422013 · Headquarters: District Heights, MD, US · Philanthropy, Voluntarism & Grantmaking Foundations · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  6. One Goal Foundation Ltd

    EIN 271398805 · Headquarters: Abingdon, MD, US · Human Services · Latest available filing year: 2010 · Primary form: IRS Form 990-N

  7. One God-one Voice Inc

    EIN 522106877 · Headquarters: Middletown, MD, US · Arts, Culture & Humanities · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  8. One Healing Educating and Renewing Through Therapy

    EIN 463477698 · Headquarters: Windsor Mill, MD, USA · Human Services · Latest available filing year: 2024 · Primary form: IRS Form 990

  9. One Hit Wonders Corporation

    EIN 992638073 · Headquarters: Baltimore, MD, US · Arts, Culture & Humanities · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  10. One Hope Foundation Inc

    EIN 852015657 · Headquarters: Aberdeen, MD, USA · Housing & Shelter · Latest available filing year: 2022 · Primary form: IRS Form 990

  11. One House at a Time Inc

    EIN 260079524 · Headquarters: BALTIMORE, MD, USA · Community Improvement & Capacity Building · Latest available filing year: 2024 · Primary form: IRS Form 990

  12. One Iota Foundation Inc

    EIN 883397986 · Headquarters: Baltimore, MD, US · Diseases, Disorders & Medical Disciplines · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  13. One Jamaica Legal Defense Foundation Inc

    EIN 931647979 · Headquarters: Hanover, MD, USA · Civil Rights, Social Action & Advocacy · Latest available filing year: 2024 · Primary form: IRS Form 990-PF

  14. One Korea Foundation Inc

    EIN 463532545 · Headquarters: Columbia, MD, USA · International, Foreign Affairs & National Security · Latest available filing year: 2016 · Primary form: IRS Form 990-PF

  15. One Less Foundation Inc

    EIN 931900475 · Headquarters: BALTIMORE, MD, USA · Health Care · Latest available filing year: 2025 · Primary form: IRS Form 990-PF

  16. One Light Institute Inc

    EIN 811129059 · Headquarters: POTOMAC, MD, US · Public & Societal Benefit · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  17. One Light International

    EIN 990505895 · Headquarters: Ellicott City, MD, US · Religion Related · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  18. One Love 4 Kids Inc

    EIN 208962689 · Headquarters: Wheaton, MD, US · Education · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  19. One Love Charities

    EIN 844309912 · Headquarters: Silver spring, MD, US · Human Services · Latest available filing year: 2021 · Primary form: IRS Form 990-N

  20. One Love Innernatural Inc

    EIN 752998271 · Headquarters: Cheltenham, MD, US · Human Services · Latest available filing year: 2008 · Primary form: IRS Form 990-N

  21. One Love Life Center Inc

    EIN 824755144 · Headquarters: Temple Hills, MD, USA · Religion Related · Latest available filing year: 2023 · Primary form: IRS Form 990-EZ

  22. One Love Ministries Cogic

    EIN 821571168 · Headquarters: CLINTON, MD, US · Religion Related · Latest available filing year: 2024 · Primary form: IRS Form 990-N

  23. One Mission Cambridge Inc

    EIN 921685798 · Headquarters: CAMBRIDGE, MD, USA · Human Services · Latest available filing year: 2025 · Primary form: IRS Form 990

  24. One Montgomery Green Inc

    EIN 452455470 · Headquarters: Silver Spring, MD, USA · Environment · Latest available filing year: 2024 · Primary form: IRS Form 990-EZ

  25. One More One Less Mentoring Inc

    EIN 272613157 · Headquarters: BALTIMORE, MD, USA · Youth Development · Latest available filing year: 2025 · Primary form: IRS Form 990-EZ

  26. One Mountain Foundation

    EIN 611408562 · Headquarters: Cascade, MD, US · Arts, Culture & Humanities · Latest available filing year: 2018 · Primary form: IRS Form 990-N

  27. One Nation

    EIN 474076559 · Headquarters: new carrollton, MD, US · Human Services · Latest available filing year: 2014 · Primary form: IRS Form 990-N

  28. One Nation Assisted Living Inc

    EIN 371545803 · Headquarters: baltimore, MD, US · Human Services · Latest available filing year: 2013 · Primary form: IRS Form 990-N

  29. One Nature Institute

    EIN 852690350 · Headquarters: University Park, MD, US · Education · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  30. One of One Foundation Inc

    EIN 882932474 · Headquarters: Reisterstown, MD, US · Philanthropy, Voluntarism & Grantmaking Foundations · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  31. One Pupil Incorporated

    EIN 820961978 · Headquarters: Silver Spring, MD, US · Philanthropy, Voluntarism & Grantmaking Foundations · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  32. One Seventy Nine Temple Holding Cor

    EIN 830400888 · Headquarters: HYATTSVILLE, MD, USA · Community Improvement & Capacity Building · Latest available filing year: 2025 · Primary form: IRS Form 990

  33. One Sister to Another in Christ Outreach Ministry Inc

    EIN 202360516 · Headquarters: Temple Hills, MD, US · Religion Related · Latest available filing year: 2023 · Primary form: IRS Form 990-N

  34. One Star Enterprise Inc

    EIN 010875296 · Headquarters: Germantown, MD, US · Human Services · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  35. One Step Away

    EIN 842469318 · Headquarters: Salisbury, MD, US · Mental Health & Crisis Intervention · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  36. One Strong-all Great

    EIN 825373391 · Headquarters: Upper Marlboro, MD, US · Recreation & Sports · Latest available filing year: 2020 · Primary form: IRS Form 990-N

  37. One Ten Foundation

    EIN 823966188 · Headquarters: Largo, MD, US · Youth Development · Latest available filing year: 2024 · Primary form: IRS Form 990-N

  38. One Thousand Suns Project Inc

    EIN 861236641 · Headquarters: Potomac, MD, USA · Youth Development · Latest available filing year: 2024 · Primary form: IRS Form 990-EZ

  39. One Thriving World Inc

    EIN 393587183 · Headquarters: Bethesda, MD, US · Health Care · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  40. One Tiko United

    EIN 873835426 · Headquarters: Columbia, MD, US · Community Improvement & Capacity Building · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  41. One Touch Foundation Inc

    EIN 834408414 · Headquarters: Millersville, MD, US · Human Services · Latest available filing year: 2024 · Primary form: IRS Form 990-N

  42. One Touch Ministries Inc

    EIN 872183138 · Headquarters: Baltimore, MD, US · Human Services · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  43. One Touch Outreach Center

    EIN 815462537 · Headquarters: Owings Mills, MD, US · Human Services · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  44. One Twelve West Inc

    EIN 521097702 · Headquarters: BALTIMORE, MD, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-EZ

  45. One Voice

    EIN 521750890 · Headquarters: Columbia, MD, US · Religion Related · Latest available filing year: 2007 · Primary form: IRS Form 990-N

  46. One Voice Community Development Program Inc

    EIN 825016986 · Headquarters: Baltimore, MD, US · Human Services · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  47. One Voice of Praise Inc

    EIN 261471056 · Headquarters: Westminster, MD, US · Arts, Culture & Humanities · Latest available filing year: 2012 · Primary form: IRS Form 990-N

  48. One Voice One Reach Global Outreach

    EIN 332179373 · Headquarters: Jessup, MD, US · Community Improvement & Capacity Building · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  49. One Water Academy Inc

    EIN 842540498 · Headquarters: ELLICOTT CITY, MD, US · Food, Agriculture & Nutrition · Latest available filing year: 2023 · Primary form: IRS Form 990-N

  50. One Way Racing Ministries Inc

    EIN 810573109 · Headquarters: Port Deposit, MD, US · Religion Related · Latest available filing year: 2007 · Primary form: IRS Form 990-N

  51. One World One Family Act Inc

    EIN 994014732 · Headquarters: Potomac, MD, US · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-N

  52. One World One Savior

    EIN 333456737 · Headquarters: PRINCE FREDERICK, MD, US · Religion Related · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  53. One-Way-Or-Another

    EIN 474970219 · Headquarters: Sabillasville, MD, USA · Recreation & Sports · Latest available filing year: 2017 · Primary form: IRS Form 990-EZ

  54. Oneill Club of Towson Inc

    EIN 526060198 · Headquarters: Lutherville, MD, USA · Community Improvement & Capacity Building · Latest available filing year: 2025 · Primary form: IRS Form 990-EZ

  55. Oneill Foundation for Community Health Inc

    EIN 161686901 · Headquarters: Baltimore, MD, US · Health Care · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  56. Onemillionofus Inc

    EIN 843280949 · Headquarters: Upper Malboro, MD, US · Youth Development · Latest available filing year: 2021 · Primary form: IRS Form 990-N

  57. Oneness Mobility Resource Centr Inc

    EIN 464221049 · Headquarters: DISTRICT HEIGHTS, MD, US · Education · Latest available filing year: 2024 · Primary form: IRS Form 990-N

  58. Onepuente Foundation Inc

    EIN 475468656 · Headquarters: Potomac, MD, US · Education · Latest available filing year: 2024 · Primary form: IRS Form 990-N

  59. Onetree Productions Ltd

    EIN 263662596 · Headquarters: Cumberland, MD, US · Arts, Culture & Humanities · Latest available filing year: 2013 · Primary form: IRS Form 990-N

  60. Oneu Md Inc

    EIN 842655427 · Headquarters: RIVERDALE, MD, USA · Youth Development · Latest available filing year: 2024 · Primary form: IRS Form 990

  61. Onevillage Foundation Inc

    EIN 884113108 · Headquarters: Chevy Chase, MD, US · Health Care · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  62. Onicha Amairi United Inc

    EIN 352368057 · Headquarters: Riverdale, MD, USA · Recreation & Sports · Latest available filing year: 2025 · Primary form: IRS Form 990-EZ

  63. Onicha Amairi USA Inc

    EIN 813998225 · Headquarters: Bowie, MD, USA · Human Services · Latest available filing year: 2025 · Primary form: IRS Form 990-EZ

  64. Only Love Matters

    EIN 844081756 · Headquarters: Potomac, MD, US · Animal Related · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  65. Only One Way to Heaven Inc

    EIN 822194107 · Headquarters: Towson, MD, US · Religion Related · Latest available filing year: 2024 · Primary form: IRS Form 990-N

  66. Only the King Can Do It Ministry Inc

    EIN 263602213 · Headquarters: Suitland, MD, US · Human Services · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  67. Onstage Incorporated

    EIN 204936993 · Headquarters: Catonsville, MD, US · Arts, Culture & Humanities · Latest available filing year: 2007 · Primary form: IRS Form 990-N

  68. Ontrack Washington County Inc

    EIN 825245769 · Headquarters: HAGERSTOWN, MD, US · Education · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  69. Onua Intercultural Care Incorporated

    EIN 205349623 · Headquarters: BOWIE, MD, US · Human Services · Latest available filing year: 2009 · Primary form: IRS Form 990-N

  70. Onyx Cares Foundation Inc

    EIN 931433980 · Headquarters: ROCKVILLE, MD, USA · Youth Development · Latest available filing year: 2024 · Primary form: IRS Form 990

  71. Onyx Network Exchange

    EIN 851399616 · Headquarters: Upper Marlboro, MD, US · Community Improvement & Capacity Building · Latest available filing year: 2021 · Primary form: IRS Form 990-N

  72. Oodua Progressive Union

    EIN 465340168 · Headquarters: baltimore, MD, US · Unknown & Unclassified · Latest available filing year: 2016 · Primary form: IRS Form 990-N

  73. Oompa at Bisfa

    EIN 921116527 · Headquarters: Hagerstown, MD, US · Education · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  74. Opa Health Inc

    EIN 851944812 · Headquarters: Ellicott City, MD, US · Unknown & Unclassified · Latest available filing year: 2023 · Primary form: IRS Form 990-N

  75. Opals Heart

    EIN 851368702 · Headquarters: Baltimore, MD, US · Human Services · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  76. OPCMIA International Training Fund

    EIN 473740409 · Headquarters: Columbia, MD, US · Employment · Latest available filing year: 2024 · Primary form: IRS Form 990

  77. Opdea Inc

    EIN 464199297 · Headquarters: Waldorf, MD, US · Youth Development · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  78. Open Arms Adult Day Care Services

    EIN 273116536 · Headquarters: Olney, MD, US · Human Services · Latest available filing year: 2015 · Primary form: IRS Form 990-N

  79. Open Arms Community Service Center Incorporated

    EIN 383915418 · Headquarters: Bowie, MD, US · Human Services · Latest available filing year: 2013 · Primary form: IRS Form 990-N

  80. Open Arms for Humanity

    EIN 332857917 · Headquarters: Owings Mills, MD, US · Human Services · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  81. Open Arms Ministry Incorporated

    EIN 301443531 · Headquarters: Baltimore, MD, US · Community Improvement & Capacity Building · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  82. Open Book Project

    EIN 834184184 · Headquarters: Baltimore, MD, US · Human Services · Latest available filing year: 2018 · Primary form: IRS Form 990-N

  83. Open Circle Theatre Inc

    EIN 200978640 · Headquarters: ROCKVILLE, MD, USA · Arts, Culture & Humanities · Latest available filing year: 2024 · Primary form: IRS Form 990-EZ

  84. Open Community Network Association

    EIN 991328617 · Headquarters: Baltimore, MD, US · Food, Agriculture & Nutrition · Latest available filing year: 2024 · Primary form: IRS Form 990-N

  85. Open Door Christian Center

    EIN 522211189 · Headquarters: OWINGS MILLS, MD, USA · Religion Related · Latest available filing year: 2023 · Primary form: IRS Form 990

  86. Open Door Community Center of Hope and Restoration Inc

    EIN 753157170 · Headquarters: bowie, MD, US · Unknown & Unclassified · Latest available filing year: 2009 · Primary form: IRS Form 990-N

  87. Open Door Community Development Corporation

    EIN 521876165 · Headquarters: Ellicott City, MD, USA · Community Improvement & Capacity Building · Latest available filing year: 2023 · Primary form: IRS Form 990-EZ

  88. Open Doors Career Center Inc

    EIN 521381424 · Headquarters: BEL AIR, MD, USA · Employment · Latest available filing year: 2009 · Primary form: IRS Form 990

  89. Open Doors Partners in Education Inc

    EIN 852280696 · Headquarters: CHESTERTOWN, MD, USA · Education · Latest available filing year: 2025 · Primary form: IRS Form 990

  90. Open Hands

    EIN 454965759 · Headquarters: BOWIE, MD, USA · Human Services · Latest available filing year: 2025 · Primary form: IRS Form 990-EZ

  91. Open Hands Foundation Inc

    EIN 881750084 · Headquarters: JOPPA, MD, US · International, Foreign Affairs & National Security · Latest available filing year: 2024 · Primary form: IRS Form 990-N

  92. Open Hands of MD Inc

    EIN 994376171 · Headquarters: Severna Park, MD, USA · Food, Agriculture & Nutrition · Latest available filing year: 2025 · Primary form: IRS Form 990-EZ

  93. Open Health Tools Inc

    EIN 260493467 · Headquarters: BOWIE, MD, USA · Community Improvement & Capacity Building · Latest available filing year: 2016 · Primary form: IRS Form 990-EZ

  94. Open Heart Project Inc

    EIN 204330286 · Headquarters: Arnold, MD, US · Human Services · Latest available filing year: 2024 · Primary form: IRS Form 990-N

  95. Open Heart Sanctuary

    EIN 453012133 · Headquarters: BALTIMORE, MD, US · Human Services · Latest available filing year: 2024 · Primary form: IRS Form 990-N

  96. Open Hearts Open Palms World Outreach Center Inc

    EIN 852078938 · Headquarters: Hagerstown, MD, US · Human Services · Latest available filing year: 2023 · Primary form: IRS Form 990-N

  97. Open Mind International Inc

    EIN 454733758 · Headquarters: BETHESDA, MD, US · Arts, Culture & Humanities · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  98. Open Minds Inc

    EIN 465489780 · Headquarters: Middletown, MD, US · Crime & Legal Related · Latest available filing year: 2023 · Primary form: IRS Form 990-N

  99. Open My Heart Foundation Inc

    EIN 473956218 · Headquarters: Oxon Hill, MD, USA · Health Care · Latest available filing year: 2024 · Primary form: IRS Form 990-EZ

  100. Open Ran Policy Coalition

    EIN 850962375 · Headquarters: ANNAPOLIS, MD, USA · Community Improvement & Capacity Building · Latest available filing year: 2024 · Primary form: IRS Form 990

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