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. National Advancements for Proactive Safety Inc

    EIN 475044775 · Headquarters: Columbia, MD, US · Crime & Legal Related · Latest available filing year: 2015 · Primary form: IRS Form 990-N

  2. National Afghanistan and Iraq Veterans Memorial Inc

    EIN 274674782 · Headquarters: Towson, MD, US · Public & Societal Benefit · Latest available filing year: 2011 · Primary form: IRS Form 990-N

  3. National Agricultural Research Alliance-beltsville Inc

    EIN 204455539 · Headquarters: Upper Marlboro, MD, US · Food, Agriculture & Nutrition · Latest available filing year: 2012 · Primary form: IRS Form 990-N

  4. National Air Traffic Controllers Association

    EIN 251922862 · Headquarters: middle river, MD, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  5. National Air Traffic Controllers Association

    EIN 521591696 · Headquarters: Linthicum Heights, MD, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  6. National Air Traffic Controllers Association

    EIN 521654018 · Headquarters: Joint Base Andrews, MD, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  7. National Air Traffic Controllers Association

    EIN 854045093 · Headquarters: Hagerstown, MD, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  8. National Aircraft Finance Assoc Inc

    EIN 581794969 · Headquarters: EDGEWATER, MD, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990

  9. National Alliance for Breastfeeding Advocacy Incorporated

    EIN 521929317 · Headquarters: Ellicott City, MD, US · Civil Rights, Social Action & Advocacy · Latest available filing year: 2008 · Primary form: IRS Form 990-N

  10. National Alliance for Eye and Vision Research

    EIN 522030304 · Headquarters: ROCKVILLE, MD, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990

  11. National Alliance of Multi Ethnic

    EIN 753137973 · Headquarters: OWINGS MILLS, MD, USA · Mental Health & Crisis Intervention · Latest available filing year: 2010 · Primary form: IRS Form 990-EZ

  12. National Alliance of Postal and Federal Employees

    EIN 520847821 · Headquarters: FORT WASHINGTON, MD, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  13. National Alliance of Postal and Federal Employees

    EIN 520910675 · Headquarters: BALTIMORE, MD, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  14. National Alliance of Prac Providers

    EIN 202350139 · Headquarters: Beltsville, MD, US · Housing & Shelter · Latest available filing year: 2017 · Primary form: IRS Form 990-N

  15. National Alliance of Resident Serv

    EIN 043819705 · Headquarters: REISTERSTOWN, MD, USA · Housing & Shelter · Latest available filing year: 2025 · Primary form: IRS Form 990

  16. National Alliance of Vietnamese American Service Agencies

    EIN 521885019 · Headquarters: GAITHERSBURG, MD, US · Arts, Culture & Humanities · Latest available filing year: 2015 · Primary form: IRS Form 990-N

  17. National Alliance on Mental Illness Southern Md

    EIN 521481403 · Headquarters: Hughesville, MD, US · Diseases, Disorders & Medical Disciplines · Latest available filing year: 2013 · Primary form: IRS Form 990-N

  18. National Alternative Learning & Enhancement Training

    EIN 464160106 · Headquarters: Clinton, MD, US · Employment · Latest available filing year: 2017 · Primary form: IRS Form 990-N

  19. National Ambucs Inc

    EIN 834362395 · Headquarters: Parkville, MD, US · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-N

  20. National American Glass Club

    EIN 223215603 · Headquarters: Silver Spring, MD, US · Arts, Culture & Humanities · Latest available filing year: 2009 · Primary form: IRS Form 990-N

  21. National American Glass Club

    EIN 900192253 · Headquarters: Bethesda, MD, US · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-N

  22. National Anthem Celebration Foundation Inc

    EIN 262362245 · Headquarters: WOODBINE, MD, US · Recreation & Sports · Latest available filing year: 2015 · Primary form: IRS Form 990-N

  23. National Aquarium

    EIN 521121163 · Headquarters: Baltimore, MD, USA · Animal Related · Latest available filing year: 2024 · Primary form: IRS Form 990

  24. National Aquarium Conservation Center Inc

    EIN 271428324 · Headquarters: BALTIMORE, MD, USA · Animal Related · Latest available filing year: 2012 · Primary form: IRS Form 990

  25. National Aquarium Foundation Inc

    EIN 521301162 · Headquarters: BALTIMORE, MD, USA · Animal Related · Latest available filing year: 2024 · Primary form: IRS Form 990

  26. National Aquarium Institute Inc

    EIN 202671673 · Headquarters: BALTIMORE, MD, USA · Animal Related · Latest available filing year: 2012 · Primary form: IRS Form 990-EZ

  27. National Archery Association of the United States

    EIN 521909327 · Headquarters: Bel Air, MD, US · Recreation & Sports · Latest available filing year: 2014 · Primary form: IRS Form 990-N

  28. National Asphalt Pavement Assoc Research & Education Foundationinc

    EIN 521139667 · Headquarters: GREENBELT, MD, USA · Community Improvement & Capacity Building · Latest available filing year: 2024 · Primary form: IRS Form 990

  29. National Asphalt Pavement Association Inc

    EIN 530231198 · Headquarters: GREENBELT, MD, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990

  30. National Assoc of Benefits and Insurance Professionals-Maryland Chapter Inc

    EIN 521383966 · Headquarters: LUTHERVILLE, MD, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990

  31. National Assoc of Black Accountants Center for Legislative Studies Inc

    EIN 204664912 · Headquarters: Greenbelt, MD, US · Arts, Culture & Humanities · Latest available filing year: 2013 · Primary form: IRS Form 990-N

  32. National Assoc of Flood & Stormwater Mgmt Agencies

    EIN 521102917 · Headquarters: SILVER SPRING, MD, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990

  33. National Assoc of Ltr Carriers Br 638

    EIN 526055605 · Headquarters: Ellerslie, MD, USA · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-EZ

  34. National Assoc of Parliamentarians

    EIN 431542603 · Headquarters: Baltimore, MD, US · Community Improvement & Capacity Building · Latest available filing year: 2009 · Primary form: IRS Form 990-N

  35. National Assoc of Women Business Owners Baltimore Regional Chapter

    EIN 521351421 · Headquarters: Ellicott City, MD, US · Housing & Shelter · Latest available filing year: 2016 · Primary form: IRS Form 990-N

  36. National Association for Catering and Events

    EIN 581400040 · Headquarters: COLUMBIA, MD, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990

  37. National Association for Catering and Events

    EIN 901133404 · Headquarters: Greenbelt, MD, US · Community Improvement & Capacity Building · Latest available filing year: 2017 · Primary form: IRS Form 990-N

  38. National Association For Children Of Alcoholics

    EIN 942865311 · Headquarters: Bel Air, MD, USA · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990

  39. National Association for Chinese Peaceful Unification

    EIN 473699634 · Headquarters: Elkkridge, MD, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  40. National Association for Civil War Brass Music Inc

    EIN 208953482 · Headquarters: Baltimore, MD, US · Arts, Culture & Humanities · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  41. National Association for Com E

    EIN 521982146 · Headquarters: UPPEE MARLBORO, MD, USA · Community Improvement & Capacity Building · Latest available filing year: 2018 · Primary form: IRS Form 990

  42. National Association for Hearing and Speech Action

    EIN 530196545 · Headquarters: ROCKVILLE, MD, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990

  43. National Association for Orphans & Abandoned Children

    EIN 954357457 · Headquarters: Glenn Dale, MD, US · Crime & Legal Related · Latest available filing year: 2009 · Primary form: IRS Form 990-N

  44. National Association for Public Health Statistics and Information Systems

    EIN 522265888 · Headquarters: SILVER SPRING, MD, USA · Health Care · Latest available filing year: 2024 · Primary form: IRS Form 990

  45. National Association for Self- Esteem

    EIN 470709511 · Headquarters: Silver Spring, MD, US · Human Services · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  46. National Association for the Advancement of Colored People

    EIN 384108034 · Headquarters: BALTIMORE, MD, USA · Civil Rights, Social Action & Advocacy · Latest available filing year: 2024 · Primary form: IRS Form 990

  47. National Association for the Advancement of Colored People

    EIN 526074656 · Headquarters: Annapolis, MD, US · Unknown & Unclassified · Latest available filing year: 2012 · Primary form: IRS Form 990-N

  48. National Association for Trusted Exchange

    EIN 462661901 · Headquarters: GERMANTOWN, MD, USA · International, Foreign Affairs & National Security · Latest available filing year: 2017 · Primary form: IRS Form 990-EZ

  49. National Association of American African Dance Teachers

    EIN 813795254 · Headquarters: Waldorf, MD, US · Arts, Culture & Humanities · Latest available filing year: 2024 · Primary form: IRS Form 990-N

  50. National Association of Black Accountants Division of Firms

    EIN 342064120 · Headquarters: Pikesville, MD, USA · Unknown & Unclassified · Latest available filing year: 2015 · Primary form: IRS Form 990-EZ

  51. National Association of Black Accountants Inc

    EIN 237097490 · Headquarters: GREENBELT, MD, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990

  52. National Association of Black Accountants Inc - Eastern Region

    EIN 521714412 · Headquarters: Upper Marlboro, MD, USA · Community Improvement & Capacity Building · Latest available filing year: 2019 · Primary form: IRS Form 990

  53. National Association of Black Accountants-Baltimore Metropolitan Chapt

    EIN 237313797 · Headquarters: Baltimore, MD, US · Community Improvement & Capacity Building · Latest available filing year: 2019 · Primary form: IRS Form 990-N

  54. National Association of Black Catholic Administrators Inc

    EIN 912134218 · Headquarters: Camp Springs, MD, US · Mutual & Membership Benefit · Latest available filing year: 2021 · Primary form: IRS Form 990-N

  55. National Association of Black Journalists

    EIN 521266959 · Headquarters: COLLEGE PARK, MD, USA · Arts, Culture & Humanities · Latest available filing year: 2024 · Primary form: IRS Form 990

  56. National Association of Black Male Educators Inc

    EIN 474871559 · Headquarters: BRANDYWINE, MD, US · Education · Latest available filing year: 2015 · Primary form: IRS Form 990-N

  57. National Association of Black Storytellers Inc

    EIN 521752103 · Headquarters: Baltimore, MD, USA · Arts, Culture & Humanities · Latest available filing year: 2025 · Primary form: IRS Form 990

  58. National Association of Black Telecommunications Professionals

    EIN 521753972 · Headquarters: Lanham, MD, US · Public & Societal Benefit · Latest available filing year: 2009 · Primary form: IRS Form 990-N

  59. National Association of Blacks in Solar

    EIN 874173761 · Headquarters: Takoma Park, MD, US · Science & Technology · Latest available filing year: 2023 · Primary form: IRS Form 990-N

  60. National Association of Business Owners and Entrepreneurs Inc

    EIN 800254966 · Headquarters: GERMANTOWN, MD, US · Community Improvement & Capacity Building · Latest available filing year: 2024 · Primary form: IRS Form 990-N

  61. National Association of Charitable Gift Planners

    EIN 521710226 · Headquarters: Cockeysville, MD, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  62. National Association of Chemical Dependency Nurses

    EIN 384139654 · Headquarters: BALTIMORE, MD, USA · Health Care · Latest available filing year: 2024 · Primary form: IRS Form 990-PF

  63. National Association of Community Health Centers Inc

    EIN 520939952 · Headquarters: BETHESDA, MD, USA · Health Care · Latest available filing year: 2024 · Primary form: IRS Form 990

  64. National Association of Computer Consultant Bus Washington Dc Chap

    EIN 010561646 · Headquarters: Gaithersburg, MD, US · Community Improvement & Capacity Building · Latest available filing year: 2012 · Primary form: IRS Form 990-N

  65. National Association of Corporate Directors Capital Area Chapter

    EIN 542013542 · Headquarters: Potomac, MD, USA · Education · Latest available filing year: 2019 · Primary form: IRS Form 990-EZ

  66. National Association of Credit Management Inc

    EIN 521972771 · Headquarters: COLUMBIA, MD, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990

  67. National Association of Credit Management Realty Corporation

    EIN 522021524 · Headquarters: COLUMBIA, MD, USA · Community Improvement & Capacity Building · Latest available filing year: 2024 · Primary form: IRS Form 990

  68. National Association of Cybersecurity Professionals

    EIN 812486071 · Headquarters: Waldorf, MD, US · Human Services · Latest available filing year: 2016 · Primary form: IRS Form 990-N

  69. National Association of Development Companies

    EIN 521260579 · Headquarters: Bethesda, MD, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990

  70. National Association of Development Companies (NADCO)

    EIN 521484169 · Headquarters: Bethesda, MD, United States · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-EZ

  71. National Association of Drug Diversion Investigators Inc

    EIN 521660752 · Headquarters: LUTHERVILLE, MD, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990

  72. National Association of Education Foundations Inc

    EIN 863300594 · Headquarters: COCKEYSVILLE, MD, USA · Public & Societal Benefit · Latest available filing year: 2025 · Primary form: IRS Form 990

  73. National Association of Financial Edcucation for C

    EIN 870802584 · Headquarters: PIKESVILLE, MD, USA · Housing & Shelter · Latest available filing year: 2019 · Primary form: IRS Form 990-EZ

  74. National Association of Fsa County Office Employees

    EIN 526055633 · Headquarters: Chestertown, MD, US · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-N

  75. National Association of Government Employees

    EIN 202998803 · Headquarters: PERRY POINT, MD, US · Unknown & Unclassified · Latest available filing year: 2022 · Primary form: IRS Form 990-N

  76. National Association of Government Employees

    EIN 900654102 · Headquarters: Millersville, MD, US · Employment · Latest available filing year: 2013 · Primary form: IRS Form 990-N

  77. National Association of Guardsmen Inc Baltimore Chapter

    EIN 222450154 · Headquarters: Baltimore, MD, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990

  78. National Association of Guardsmen Inc C/o Barry Granger Washington Chapter

    EIN 521267033 · Headquarters: BETHESDA, MD, USA · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990

  79. National Association of Historically Black Colleges & Univ

    EIN 873383692 · Headquarters: Woodlawn, MD, US · Civil Rights, Social Action & Advocacy · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  80. National Association of Housing & Redevelopment Officials

    EIN 863656453 · Headquarters: ARNOLD, MD, US · Unknown & Unclassified · Latest available filing year: 2022 · Primary form: IRS Form 990-N

  81. National Association of Insurance & Financial Advisors of Md At-large

    EIN 474734084 · Headquarters: Annapolis, MD, US · Unknown & Unclassified · Latest available filing year: 2017 · Primary form: IRS Form 990-N

  82. National Association of Insurance and Financial Advisors Of

    EIN 526054299 · Headquarters: BALTIMORE, MD, US · Mutual & Membership Benefit · Latest available filing year: 2018 · Primary form: IRS Form 990-N

  83. National Association of Insurance and Financial Advisors-chesapeake

    EIN 522120220 · Headquarters: Easton, MD, US · Community Improvement & Capacity Building · Latest available filing year: 2014 · Primary form: IRS Form 990-N

  84. National Association of Insurance Women

    EIN 237057445 · Headquarters: Ellicott City, MD, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  85. National Association of Insurance Women

    EIN 237276228 · Headquarters: Delmar, MD, US · Environment · Latest available filing year: 2020 · Primary form: IRS Form 990-N

  86. National Association of Insurance Women

    EIN 273868279 · Headquarters: Ellicott City, MD, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  87. National Association of Insurance Women

    EIN 320408583 · Headquarters: Ellicott City, MD, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  88. National Association of Insurance Women

    EIN 526068292 · Headquarters: FREDERICK, MD, US · Mutual & Membership Benefit · Latest available filing year: 2011 · Primary form: IRS Form 990-N

  89. National Association of Insurance Women

    EIN 526082864 · Headquarters: Cheltenham, MD, US · Mutual & Membership Benefit · Latest available filing year: 2007 · Primary form: IRS Form 990-N

  90. National Association of Judiciary Interpreters & Translators Inc

    EIN 112945554 · Headquarters: SILVER SPRING, MD, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990

  91. National Association of Lead and Healthy Homes Grantees

    EIN 760765973 · Headquarters: Olney, MD, US · Health Care · Latest available filing year: 2008 · Primary form: IRS Form 990-N

  92. National Association of Letter Carriers

    EIN 237060294 · Headquarters: Havre de Grace, MD, US · Employment · Latest available filing year: 2009 · Primary form: IRS Form 990-N

  93. National Association of Letter Carriers

    EIN 237114899 · Headquarters: Columbia, MD, USA · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-EZ

  94. National Association of Letter Carriers

    EIN 521332049 · Headquarters: laurel, MD, US · Unknown & Unclassified · Latest available filing year: 2017 · Primary form: IRS Form 990-N

  95. National Association of Letter Carriers

    EIN 526056383 · Headquarters: HAGERSTOWN, MD, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  96. National Association of Letter Carriers

    EIN 526056591 · Headquarters: North East, MD, US · Employment · Latest available filing year: 2008 · Primary form: IRS Form 990-N

  97. National Association of Letter Carriers

    EIN 526066027 · Headquarters: Silver Spring, MD, USA · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-EZ

  98. National Association of Letter Carriers

    EIN 526067769 · Headquarters: Monrovia, MD, US · Employment · Latest available filing year: 2007 · Primary form: IRS Form 990-N

  99. National Association of Letter Carriers

    EIN 526074565 · Headquarters: Annapolis, MD, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  100. National Association of Letter Carriers

    EIN 526074566 · Headquarters: FREDERICK, MD, US · Employment · Latest available filing year: 2014 · Primary form: IRS Form 990-N

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