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 Alliance of Information & Referral Systems Inc

    EIN 202444875 · Headquarters: ELLICOTT CITY, MD, US · Education · Latest available filing year: 2019 · Primary form: IRS Form 990-N

  2. Maryland Alliance of Pku Families Inc

    EIN 521879326 · Headquarters: Pasadena, MD, US · Human Services · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  3. Maryland Alliance of Public Charter Schools Inc

    EIN 522282166 · Headquarters: Baltimore, MD, USA · Community Improvement & Capacity Building · Latest available filing year: 2024 · Primary form: IRS Form 990

  4. Maryland Alpaca Breeders Association Inc

    EIN 522213911 · Headquarters: PRESTON, MD, US · Food, Agriculture & Nutrition · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  5. Maryland Alpha Alumni Corporation Inc

    EIN 270469401 · Headquarters: Baltimore, MD, USA · Education · Latest available filing year: 2018 · Primary form: IRS Form 990-EZ

  6. Maryland American Turkish Association Inc

    EIN 237418683 · Headquarters: Columbia, MD, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  7. Maryland Amhara Organization

    EIN 990679008 · Headquarters: Spencerville, MD, US · International, Foreign Affairs & National Security · Latest available filing year: 2024 · Primary form: IRS Form 990-N

  8. Maryland and Dc Society of Genetic Counselors

    EIN 831176921 · Headquarters: Columbia, MD, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  9. Maryland and District of Columbia Credit Union Association Incorporated

    EIN 526050014 · Headquarters: COLUMBIA, MD, USA · Community Improvement & Capacity Building · Latest available filing year: 2024 · Primary form: IRS Form 990

  10. Maryland and District of Columbia Society of Clinical Oncology (Mdcsco)

    EIN 521833721 · Headquarters: SEVERNA PARK, MD, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990

  11. Maryland Angus Association

    EIN 520576769 · Headquarters: Dickerson, MD, US · Food, Agriculture & Nutrition · Latest available filing year: 2011 · Primary form: IRS Form 990-N

  12. Maryland Animal Adoption Center

    EIN 834104027 · Headquarters: Edgewater, MD, US · Animal Related · Latest available filing year: 2020 · Primary form: IRS Form 990-N

  13. Maryland Animal Advocates Inc

    EIN 521889530 · Headquarters: Baltimore, MD, US · Animal Related · Latest available filing year: 2017 · Primary form: IRS Form 990-N

  14. Maryland Animal Cruelty and Animal Fighting Task F

    EIN 834544903 · Headquarters: Riderwood, MD, US · Animal Related · Latest available filing year: 2023 · Primary form: IRS Form 990-N

  15. Maryland Animal Society Inc

    EIN 452615436 · Headquarters: BALTIMORE, MD, USA · Animal Related · Latest available filing year: 2016 · Primary form: IRS Form 990-EZ

  16. Maryland Anti Car Theft Committee Inc

    EIN 522026359 · Headquarters: COLUMBIA, MD, USA · Community Improvement & Capacity Building · Latest available filing year: 2012 · Primary form: IRS Form 990

  17. Maryland Apple Promotion Board

    EIN 521841052 · Headquarters: HAGERSTOWN, MD, US · Community Improvement & Capacity Building · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  18. Maryland Arabian Horse Association Inc

    EIN 521942104 · Headquarters: Waldorf, MD, US · Unknown & Unclassified · Latest available filing year: 2021 · Primary form: IRS Form 990-N

  19. Maryland Arborist Association

    EIN 521217159 · Headquarters: ARNOLD, MD, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-EZ

  20. Maryland Area College Music Association

    EIN 454740804 · Headquarters: Largo, MD, US · Arts, Culture & Humanities · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  21. Maryland Area Guide Dog Users Inc

    EIN 753167067 · Headquarters: Crofton, MD, US · Human Services · Latest available filing year: 2009 · Primary form: IRS Form 990-N

  22. Maryland Area Roller Sports Inc

    EIN 824011486 · Headquarters: Hagerstown, MD, USA · Recreation & Sports · Latest available filing year: 2024 · Primary form: IRS Form 990-PF

  23. Maryland Art Education Association

    EIN 522205533 · Headquarters: Baltimore, MD, US · Education · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  24. Maryland Art League Inc

    EIN 521038929 · Headquarters: Ellicott City, MD, US · Arts, Culture & Humanities · Latest available filing year: 2011 · Primary form: IRS Form 990-N

  25. Maryland Art Place Inc

    EIN 521210213 · Headquarters: BALTIMORE, MD, USA · Arts, Culture & Humanities · Latest available filing year: 2024 · Primary form: IRS Form 990

  26. Maryland Arts Access Inc

    EIN 521994284 · Headquarters: Baltimore, MD, US · Human Services · Latest available filing year: 2009 · Primary form: IRS Form 990-N

  27. Maryland Asian Outdoor Club

    EIN 823931841 · Headquarters: Greenbelt, MD, US · Recreation & Sports · Latest available filing year: 2021 · Primary form: IRS Form 990-N

  28. Maryland Assembly on School Based Health Care

    EIN 522128740 · Headquarters: BALTIMORE, MD, USA · Health Care · Latest available filing year: 2024 · Primary form: IRS Form 990-EZ

  29. Maryland Assessment Group Inc

    EIN 521567556 · Headquarters: New Market, MD, USA · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-EZ

  30. Maryland Assn

    EIN 237055083 · Headquarters: Jessup, MD, US · Education · Latest available filing year: 2023 · Primary form: IRS Form 990-N

  31. Maryland Assn of Nonpublic Special Education Faci

    EIN 521300239 · Headquarters: Towson, MD, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990

  32. Maryland Assoc for Environmental & Outdoor Educati

    EIN 521900328 · Headquarters: Edgewater, MD, USA · Unknown & Unclassified · Latest available filing year: 2023 · Primary form: IRS Form 990

  33. Maryland Assoc of Hospital Advocates

    EIN 526042574 · Headquarters: ABINGDON, MD, USA · Unknown & Unclassified · Latest available filing year: 2023 · Primary form: IRS Form 990-EZ

  34. Maryland Assoc of School Health Nurses

    EIN 522141747 · Headquarters: COLUMBIA, MD, USA · Education · Latest available filing year: 2024 · Primary form: IRS Form 990-EZ

  35. Maryland Assocation of Nursing Students

    EIN 521130268 · Headquarters: Owings Mills, MD, US · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-N

  36. Maryland Association for Bank Security

    EIN 522142239 · Headquarters: EDGEWOOD, MD, USA · Community Improvement & Capacity Building · Latest available filing year: 2025 · Primary form: IRS Form 990-EZ

  37. Maryland Association for Behavior Analysis

    EIN 261292098 · Headquarters: Baltimore, MD, US · Education · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  38. Maryland Association for Family and Community Education Inc

    EIN 526048410 · Headquarters: Adamstown, MD, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  39. Maryland Association for Healthcare Quality Inc

    EIN 521155406 · Headquarters: Jarrettsville, MD, US · Education · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  40. Maryland Association for Institutional Research Inc

    EIN 800518530 · Headquarters: College Park, MD, US · Education · Latest available filing year: 2017 · Primary form: IRS Form 990-N

  41. Maryland Association for Justice Foundation Inc

    EIN 270497085 · Headquarters: Columbia, MD, US · Education · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  42. Maryland Association for Justice Inc Inc

    EIN 520968523 · Headquarters: COLUMBIA, MD, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990

  43. Maryland Association for Medical Adult D

    EIN 934720279 · Headquarters: COLUMBIA, MD, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-EZ

  44. Maryland Association for Medical Research and Education Inc

    EIN 521245275 · Headquarters: Baltimore, MD, US · Medical Research · Latest available filing year: 2007 · Primary form: IRS Form 990-N

  45. Maryland Association for Parkinson Support Inc

    EIN 463905854 · Headquarters: BROOKLANDVILLE, MD, USA · Medical Research · Latest available filing year: 2024 · Primary form: IRS Form 990

  46. Maryland Association for the Education of Young Children

    EIN 521384529 · Headquarters: GLEN BURNIE, MD, USA · Education · Latest available filing year: 2025 · Primary form: IRS Form 990-EZ

  47. Maryland Association for the Preservation of Equestrian Sports

    EIN 521978521 · Headquarters: Upper Marlboro, MD, US · Recreation & Sports · Latest available filing year: 2009 · Primary form: IRS Form 990-N

  48. Maryland Association Medical Staff Services Inc

    EIN 931350085 · Headquarters: BUCKEYSTOWN, MD, US · Community Improvement & Capacity Building · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  49. Maryland Association of Adult Community Continuing Education

    EIN 521355700 · Headquarters: Baltimore, MD, US · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-N

  50. Maryland Association of Adult Day Services

    EIN 521376125 · Headquarters: COLUMBIA, MD, USA · Human Services · Latest available filing year: 2024 · Primary form: IRS Form 990-EZ

  51. Maryland Association of Affirmative Action Officers

    EIN 521264923 · Headquarters: COLUMBIA, MD, US · Unknown & Unclassified · Latest available filing year: 2019 · Primary form: IRS Form 990-N

  52. Maryland Association of Anesthesiologist Assistants Inc

    EIN 333235220 · Headquarters: Potomac, MD, US · Health Care · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  53. Maryland Association of Area Agencies on Aging Inc

    EIN 521330182 · Headquarters: Columbia, MD, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  54. Maryland Association of Behavioral

    EIN 521965635 · Headquarters: BEL AIR, MD, USA · Mental Health & Crisis Intervention · Latest available filing year: 2024 · Primary form: IRS Form 990-EZ

  55. Maryland Association of Campgrounds Inc

    EIN 481259931 · Headquarters: THURMONT, MD, US · Human Services · Latest available filing year: 2024 · Primary form: IRS Form 990-N

  56. Maryland Association of Cardio- Vasular and Pulmonary Rehabltn Inc

    EIN 521793042 · Headquarters: WOOLFORD, MD, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  57. Maryland Association of Certified Public Accountants Educational Foundation Inc

    EIN 521787902 · Headquarters: Timonium, MD, USA · Education · Latest available filing year: 2024 · Primary form: IRS Form 990

  58. Maryland Association of Certified Public Accountants Inc

    EIN 520702331 · Headquarters: TIMONIUM, MD, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990

  59. Maryland Association of Chamber of Commerce Executives Inc

    EIN 900775034 · Headquarters: Annapolis, MD, US · Community Improvement & Capacity Building · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  60. Maryland Association of Clinical Documentation Specialist

    EIN 922195005 · Headquarters: Sykesville, MD, US · Health Care · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  61. Maryland Association of Clinical Nurse Specialists Inc

    EIN 934518490 · Headquarters: Oakland, MD, US · Diseases, Disorders & Medical Disciplines · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  62. Maryland Association of Community Action Agencies

    EIN 521470623 · Headquarters: ANNAPOLIS, MD, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-PF

  63. Maryland Association of Community Colleges

    EIN 521774900 · Headquarters: ANNAPOLIS, MD, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990

  64. Maryland Association of County Agricultural Agents-macaa

    EIN 521486760 · Headquarters: cambridge, MD, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  65. Maryland Association of County Health Officers Inc

    EIN 521105183 · Headquarters: BALTIMORE, MD, USA · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-EZ

  66. Maryland Association of Court Interpreters and Translators

    EIN 208795685 · Headquarters: Elkridge, MD, US · Crime & Legal Related · Latest available filing year: 2009 · Primary form: IRS Form 990-N

  67. Maryland Association of Dermatology Physicians Assistants Inc

    EIN 462306169 · Headquarters: Cambridge, MD, US · Health Care · Latest available filing year: 2022 · Primary form: IRS Form 990-N

  68. Maryland Association of Destination Marketing Organizations Inc

    EIN 522167737 · Headquarters: Ellicott City, MD, USA · Community Improvement & Capacity Building · Latest available filing year: 2024 · Primary form: IRS Form 990-EZ

  69. Maryland Association of Elementary School Principals

    EIN 520982092 · Headquarters: Hanover, MD, US · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990

  70. Maryland Association of Engineers Dick Trainor Scholarship Fund

    EIN 522116584 · Headquarters: HUNT VALLEY, MD, USA · Education · Latest available filing year: 2024 · Primary form: IRS Form 990-EZ

  71. Maryland Association of Engineers Inc

    EIN 522063821 · Headquarters: HUNT VALLEY, MD, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-EZ

  72. Maryland Association of Financial Services Center

    EIN 311743766 · Headquarters: Towson, MD, USA · Community Improvement & Capacity Building · Latest available filing year: 2021 · Primary form: IRS Form 990-EZ

  73. Maryland Association of Firearms Retailers Inc

    EIN 753256277 · Headquarters: UPPR MARLBORO, MD, USA · Community Improvement & Capacity Building · Latest available filing year: 2024 · Primary form: IRS Form 990-EZ

  74. Maryland Association of Floodplain and Stormwater Managers

    EIN 753180377 · Headquarters: Germantown, MD, US · Public & Societal Benefit · Latest available filing year: 2023 · Primary form: IRS Form 990-N

  75. Maryland Association of Green Industries Inc

    EIN 521883761 · Headquarters: BALTIMORE, MD, USA · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-EZ

  76. Maryland Association of Head Start Programs

    EIN 334707268 · Headquarters: Baltimore, MD, US · Education · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  77. Maryland Association of Health Care Executives Inc

    EIN 521337622 · Headquarters: Pasadena, MD, US · Human Services · Latest available filing year: 2023 · Primary form: IRS Form 990-N

  78. Maryland Association of Hospital Security & Safety Directors Inc

    EIN 521920806 · Headquarters: BALTIMORE, MD, US · Unknown & Unclassified · Latest available filing year: 2020 · Primary form: IRS Form 990-N

  79. Maryland Association of Mortgage Professionals Inc

    EIN 521821475 · Headquarters: ELLICOT CITY, MD, USA · Community Improvement & Capacity Building · Latest available filing year: 2016 · Primary form: IRS Form 990-EZ

  80. Maryland Association of Mutual Insurance Companies

    EIN 526055467 · Headquarters: Hagerstown, MD, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  81. Maryland Association of Naturopathic Physicians Inc

    EIN 522049625 · Headquarters: Edgewater, MD, US · Community Improvement & Capacity Building · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  82. Maryland Association of Nigerian Physicians Inc

    EIN 522228814 · Headquarters: ELLICOTT CITY, MD, US · Health Care · Latest available filing year: 2023 · Primary form: IRS Form 990-N

  83. Maryland Association of Non-profit

    EIN 521286516 · Headquarters: COLUMBIA, MD, USA · Human Services · Latest available filing year: 2012 · Primary form: IRS Form 990

  84. Maryland Association of Non-profit Organizations

    EIN 521749231 · Headquarters: BALTIMORE, MD, USA · Community Improvement & Capacity Building · Latest available filing year: 2024 · Primary form: IRS Form 990

  85. Maryland Association of Occupational Health Nurses Inc

    EIN 521338428 · Headquarters: Gambrills, MD, US · Health Care · Latest available filing year: 2007 · Primary form: IRS Form 990-N

  86. Maryland Association of Paralegals Inc

    EIN 522101529 · Headquarters: Baltimore, MD, US · Community Improvement & Capacity Building · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  87. Maryland Association of Pet Industries Inc

    EIN 521063175 · Headquarters: Potomac, MD, US · Animal Related · Latest available filing year: 2014 · Primary form: IRS Form 990-N

  88. Maryland Association of Prevention Professionals and Advocates

    EIN 522165222 · Headquarters: Linkwood, MD, US · Education · Latest available filing year: 2011 · Primary form: IRS Form 990-N

  89. Maryland Association of Professional Electrologists Inc

    EIN 521925456 · Headquarters: FOREST HILL, MD, USA · Unknown & Unclassified · Latest available filing year: 2023 · Primary form: IRS Form 990-EZ

  90. Maryland Association of Public Library Administrators Inc

    EIN 460715395 · Headquarters: NEW WINDSOR, MD, USA · Education · Latest available filing year: 2024 · Primary form: IRS Form 990-EZ

  91. Maryland Association of Pupil Personnel

    EIN 521270939 · Headquarters: Leonardtown, MD, US · Diseases, Disorders & Medical Disciplines · Latest available filing year: 2015 · Primary form: IRS Form 990-N

  92. Maryland Association of Realtors Inc

    EIN 520728385 · Headquarters: ANNAPOLIS, MD, USA · Unknown & Unclassified · Latest available filing year: 2023 · Primary form: IRS Form 990

  93. Maryland Association of Resources for Families & Youth Inc

    EIN 521239528 · Headquarters: COLUMBIA, MD, USA · Human Services · Latest available filing year: 2013 · Primary form: IRS Form 990

  94. Maryland Association of Sanitarians Incma

    EIN 521230788 · Headquarters: BALTIMORE, MD, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  95. Maryland Association of School Business Officials Inc

    EIN 237057249 · Headquarters: BEL AIR, MD, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990

  96. Maryland Association of School Librarians Inc

    EIN 521422408 · Headquarters: Ocean Pines, MD, US · Education · Latest available filing year: 2024 · Primary form: IRS Form 990-N

  97. Maryland Association of Science Teachers

    EIN 521124276 · Headquarters: Bowie, MD, US · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-N

  98. Maryland Association of Secondary School Principals Inc

    EIN 520974554 · Headquarters: Arnold, MD, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990

  99. Maryland Association of Softball Officials Inc

    EIN 872794504 · Headquarters: STREET, MD, USA · Recreation & Sports · Latest available filing year: 2025 · Primary form: IRS Form 990-EZ

  100. Maryland Association of Student Councils Inc

    EIN 863502800 · Headquarters: WESTMINSTER, MD, USA · Education · Latest available filing year: 2024 · Primary form: IRS Form 990

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