Nonprofits in Rockville, Maryland

Nonprofits in Rockville, Maryland. Browse 1,494 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. Montgomery County Deputy Sheriffs Association

    EIN 526171777 · Headquarters: Rockville, MD, US · Crime & Legal Related · Latest available filing year: 2012 · Primary form: IRS Form 990-N

  2. Montgomery County Economic Development C

    EIN 810717388 · Headquarters: ROCKVILLE, MD, USA · Community Improvement & Capacity Building · Latest available filing year: 2024 · Primary form: IRS Form 990

  3. Montgomery County Education Association

    EIN 520659775 · Headquarters: ROCKVILLE, MD, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990

  4. Montgomery County Family Justice Center Foundation Inc

    EIN 943444962 · Headquarters: ROCKVILLE, MD, USA · Recreation & Sports · Latest available filing year: 2024 · Primary form: IRS Form 990

  5. Montgomery County Green Bank Corporation

    EIN 812179565 · Headquarters: Rockville, MD, USA · Environment · Latest available filing year: 2024 · Primary form: IRS Form 990

  6. Montgomery County Historical Society Inc

    EIN 520795346 · Headquarters: ROCKVILLE, MD, USA · Arts, Culture & Humanities · Latest available filing year: 2024 · Primary form: IRS Form 990

  7. Montgomery County Humane Society Inc

    EIN 526044968 · Headquarters: ROCKVILLE, MD, USA · Animal Related · Latest available filing year: 2024 · Primary form: IRS Form 990

  8. Montgomery County Maryland Bar Foundation Inc

    EIN 521272181 · Headquarters: ROCKVILLE, MD, USA · Crime & Legal Related · Latest available filing year: 2024 · Primary form: IRS Form 990

  9. Montgomery County Maryland Medical Care Foundation Inc

    EIN 237243909 · Headquarters: Rockville, MD, US · Health Care · Latest available filing year: 2009 · Primary form: IRS Form 990-N

  10. Montgomery County Md Delta Alumnae Foundation Inc

    EIN 522089989 · Headquarters: Rockville, MD, US · Community Improvement & Capacity Building · Latest available filing year: 2019 · Primary form: IRS Form 990-N

  11. Montgomery County Medical Society Auxiliary Inc

    EIN 521524980 · Headquarters: Rockville, MD, US · Human Services · Latest available filing year: 2020 · Primary form: IRS Form 990-N

  12. Montgomery County Medical Society Inc

    EIN 520728423 · Headquarters: ROCKVILLE, MD, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990

  13. Montgomery County Partners for Animal Well Being

    EIN 271335331 · Headquarters: ROCKVILLE, MD, USA · Animal Related · Latest available filing year: 2024 · Primary form: IRS Form 990-EZ

  14. Montgomery County Peace Action

    EIN 141923256 · Headquarters: Rockville, MD, US · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-N

  15. Montgomery County Pediatric Society Ltd

    EIN 884423448 · Headquarters: Rockville, MD, US · Diseases, Disorders & Medical Disciplines · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  16. Montgomery County Progressive Asian American Network Inc

    EIN 871903179 · Headquarters: Rockville, MD, US · Civil Rights, Social Action & Advocacy · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  17. Montgomery County Public Schools

    EIN 526033249 · Headquarters: Rockville, Maryland, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990

  18. Montgomery County Public Schools Educational Foundation Inc

    EIN 521804509 · Headquarters: Rockville, MD, USA · Education · Latest available filing year: 2024 · Primary form: IRS Form 990

  19. Montgomery County Retired Employees Association

    EIN 521192056 · Headquarters: Rockville, MD, US · Unknown & Unclassified · Latest available filing year: 2022 · Primary form: IRS Form 990-N

  20. Montgomery County Road Runners Club Inc

    EIN 742112511 · Headquarters: ROCKVILLE, MD, USA · Recreation & Sports · Latest available filing year: 2024 · Primary form: IRS Form 990

  21. Montgomery County Sister Cities Inc

    EIN 270272987 · Headquarters: Rockville, MD, US · Education · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  22. Montgomery County Volunteer Fire and Rescue Association

    EIN 521327400 · Headquarters: ROCKVILLE, MD, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990

  23. Montgomery County Womens Bar Foundation Inc

    EIN 412064030 · Headquarters: Rockville, MD, US · Philanthropy, Voluntarism & Grantmaking Foundations · Latest available filing year: 2010 · Primary form: IRS Form 990-N

  24. Montgomery County Young Democrats Inc

    EIN 455286629 · Headquarters: Rockville, MD, US · Unknown & Unclassified · Latest available filing year: 2022 · Primary form: IRS Form 990-N

  25. Montgomery Hospice

    EIN 521114719 · Headquarters: Rockville, MD, US · Human Services · Latest available filing year: 2024 · Primary form: IRS Form 990

  26. Montgomery Hospice Foundation Inc

    EIN 521664426 · Headquarters: ROCKVILLE, MD, USA · Human Services · Latest available filing year: 2013 · Primary form: IRS Form 990

  27. Montgomery Intercounty Connector Coalition Inc

    EIN 522091716 · Headquarters: Rockville, MD, US · Public & Societal Benefit · Latest available filing year: 2007 · Primary form: IRS Form 990-N

  28. Montgomery Multiple Sclerosis Center Inc

    EIN 522243555 · Headquarters: Rockville, MD, US · Diseases, Disorders & Medical Disciplines · Latest available filing year: 2018 · Primary form: IRS Form 990-N

  29. Montgomery Philharmonic Inc

    EIN 264145811 · Headquarters: ROCKVILLE, MD, US · Arts, Culture & Humanities · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  30. Montgomery Preservation Inc

    EIN 521402993 · Headquarters: ROCKVILLE, MD, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990

  31. Montgomery Square- Copenhaver Swim Club Inc

    EIN 520853109 · Headquarters: ROCKVILLE, MD, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990

  32. Montgomery Virtual Academy Parent Teacher Council Inc

    EIN 880734752 · Headquarters: Rockville, MD, US · Education · Latest available filing year: 2023 · Primary form: IRS Form 990-N

  33. Montgomery Women Incorporated

    EIN 823445736 · Headquarters: Rockville, MD, US · Public & Societal Benefit · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  34. Montgomery's Miracles Inc

    EIN 651261203 · Headquarters: Rockville, MD, USA · Philanthropy, Voluntarism & Grantmaking Foundations · Latest available filing year: 2025 · Primary form: IRS Form 990

  35. Morris Family Foundation Inc

    EIN 994853669 · Headquarters: ROCKVILLE, MD, US · Health Care · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  36. Most Valuable Kids

    EIN 010637743 · Headquarters: ROCKVILLE, MD, USA · Human Services · Latest available filing year: 2023 · Primary form: IRS Form 990-EZ

  37. Move United

    EIN 946174016 · Headquarters: ROCKVILLE, MD, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990

  38. Murray F and Marilyn Hammerman Foundation Inc

    EIN 260012698 · Headquarters: ROCKVILLE, MD, USA · Philanthropy, Voluntarism & Grantmaking Foundations · Latest available filing year: 2019 · Primary form: IRS Form 990-PF

  39. Museumexpertorg Inc

    EIN 862177516 · Headquarters: Rockville, MD, US · Arts, Culture & Humanities · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  40. Music for One Inc

    EIN 834659896 · Headquarters: Rockville, MD, US · Arts, Culture & Humanities · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  41. Musical Theater Center

    EIN 521552469 · Headquarters: ROCKVILLE, MD, USA · Arts, Culture & Humanities · Latest available filing year: 2010 · Primary form: IRS Form 990

  42. My Chemo Bag Inc

    EIN 461963934 · Headquarters: Rockville, MD, US · Diseases, Disorders & Medical Disciplines · Latest available filing year: 2018 · Primary form: IRS Form 990-N

  43. My Own Climate Change Inc

    EIN 842404856 · Headquarters: Rockville, MD, US · Environment · Latest available filing year: 2021 · Primary form: IRS Form 990-N

  44. NAASO The Obesity Society Inc

    EIN 541438429 · Headquarters: Rockville, MD, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990

  45. Nami Montgomerty County (Md) Inc

    EIN 521150412 · Headquarters: ROCKVILLE, MD, USA · Mental Health & Crisis Intervention · Latest available filing year: 2024 · Primary form: IRS Form 990

  46. Nancy and Glenn Beall Foundation I C/o Victoria Muth

    EIN 200744100 · Headquarters: ROCKVILLE, MD, USA · Philanthropy, Voluntarism & Grantmaking Foundations · Latest available filing year: 2025 · Primary form: IRS Form 990-PF

  47. Nasdaq Educational Foundation Inc

    EIN 521864429 · Headquarters: ROCKVILLE, MD, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-PF

  48. National Active and Retired Federal Employees Association

    EIN 581912001 · Headquarters: Rockville, MD, US · Unknown & Unclassified · Latest available filing year: 2020 · Primary form: IRS Form 990-N

  49. 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

  50. 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

  51. National Association of Letter Carriers Branch 3825

    EIN 526054692 · Headquarters: Rockville, MD, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990

  52. National Association of Professional Asian-american Women

    EIN 521555185 · Headquarters: rockville, MD, US · Unknown & Unclassified · Latest available filing year: 2020 · Primary form: IRS Form 990-N

  53. National Association of Securities

    EIN 721613889 · Headquarters: ROCKVILLE, MD, USA · Community Improvement & Capacity Building · Latest available filing year: 2012 · Primary form: IRS Form 990-EZ

  54. National Board of Physician Nutrition Specialists Inc

    EIN 464032359 · Headquarters: Rockville, MD, US · Community Improvement & Capacity Building · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  55. National Capital Affordable Housing Inc

    EIN 522054953 · Headquarters: ROCKVILLE, MD, USA · Housing & Shelter · Latest available filing year: 2019 · Primary form: IRS Form 990

  56. National Capital Area Garden Clubs Environmental Consultants Council

    EIN 273509112 · Headquarters: Rockville, MD, US · Unknown & Unclassified · Latest available filing year: 2019 · Primary form: IRS Form 990-N

  57. National Capital Physicians Foundation

    EIN 811085170 · Headquarters: ROCKVILLE, MD, USA · Employment · Latest available filing year: 2025 · Primary form: IRS Form 990-EZ

  58. National Christ Child Society Inc

    EIN 521221811 · Headquarters: ROCKVILLE, MD, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990

  59. National Coalition of Oncology Nurse Navigators Inc

    EIN 261962366 · Headquarters: Rockville, MD, USA · Diseases, Disorders & Medical Disciplines · Latest available filing year: 2014 · Primary form: IRS Form 990-EZ

  60. National Contract Management Association

    EIN 521997106 · Headquarters: Rockville, MD, US · Unknown & Unclassified · Latest available filing year: 2008 · Primary form: IRS Form 990-N

  61. National Council on Patient Information and Education

    EIN 521272884 · Headquarters: Rockville, MD, USA · Public & Societal Benefit · Latest available filing year: 2017 · Primary form: IRS Form 990

  62. National Early Childhood Teacher Training Association

    EIN 273916422 · Headquarters: Rockville, MD, US · Education · Latest available filing year: 2011 · Primary form: IRS Form 990-N

  63. National Education Institutes Inc

    EIN 521390186 · Headquarters: Rockville, MD, US · Unknown & Unclassified · Latest available filing year: 2019 · Primary form: IRS Form 990-N

  64. National Federation of Croatian Americans

    EIN 521844994 · Headquarters: Rockville, MD, US · Arts, Culture & Humanities · Latest available filing year: 2009 · Primary form: IRS Form 990-N

  65. National Foundation For Cancer Research

    EIN 042531031 · Headquarters: Rockville, MD, USA · Medical Research · Latest available filing year: 2024 · Primary form: IRS Form 990

  66. National Foundation for Cancer Research Inc

    EIN 203243641 · Headquarters: Rockville, MD, US · Medical Research · Latest available filing year: 2019 · Primary form: IRS Form 990-N

  67. National Foundation for Cancer Research Inc

    EIN 274528107 · Headquarters: Rockville, MD, US · Medical Research · Latest available filing year: 2023 · Primary form: IRS Form 990-N

  68. National Foundation for Cancer Research Inc

    EIN 451291290 · Headquarters: Rockville, MD, US · Medical Research · Latest available filing year: 2023 · Primary form: IRS Form 990-N

  69. National Gaucher Care Foundation Inc

    EIN 521815708 · Headquarters: ROCKVILLE, MD, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990

  70. National Gaucher Foundation Inc

    EIN 521350226 · Headquarters: ROCKVILLE, MD, USA · Diseases, Disorders & Medical Disciplines · Latest available filing year: 2024 · Primary form: IRS Form 990

  71. National Institute of Vehicle Dynamics Corp

    EIN 300135051 · Headquarters: ROCKVILLE, MD, USA · Public Safety, Disaster Preparedness & Relief · Latest available filing year: 2020 · Primary form: IRS Form 990-PF

  72. National Mall Coalition

    EIN 030403825 · Headquarters: Rockville, MD, US · Education · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  73. National Organization for Women Inc

    EIN 521163839 · Headquarters: Rockville, MD, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  74. National Organization of Bar Counsel Inc

    EIN 521090005 · Headquarters: ROCKVILLE, MD, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990

  75. National Organization of People of Color Aganist Suicide

    EIN 742897913 · Headquarters: Rockville, MD, US · Mental Health & Crisis Intervention · Latest available filing year: 2023 · Primary form: IRS Form 990-N

  76. National Orphan Relief Foundation Inc

    EIN 822131950 · Headquarters: ROCKVILLE, MD, US · Community Improvement & Capacity Building · Latest available filing year: 2023 · Primary form: IRS Form 990-N

  77. National Park Trust Inc

    EIN 521691924 · Headquarters: ROCKVILLE, MD, USA · Environment · Latest available filing year: 2024 · Primary form: IRS Form 990

  78. National Rental Home Council

    EIN 474822520 · Headquarters: ROCKVILLE, MD, USA · Community Improvement & Capacity Building · Latest available filing year: 2024 · Primary form: IRS Form 990

  79. National School Public Relations Association

    EIN 541794524 · Headquarters: Rockville, MD, US · Unknown & Unclassified · Latest available filing year: 2020 · Primary form: IRS Form 990-N

  80. National Security Counselors Inc

    EIN 270810936 · Headquarters: Rockville, MD, US · Civil Rights, Social Action & Advocacy · Latest available filing year: 2024 · Primary form: IRS Form 990-N

  81. National Society Daughters of Colonial Wars Inc

    EIN 526055259 · Headquarters: Rockville, MD, US · Arts, Culture & Humanities · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  82. National Society of Southern Dames of America Inc

    EIN 521662317 · Headquarters: Rockville, MD, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  83. National Society of the Children of the American Revolution

    EIN 901022892 · Headquarters: Rockville, MD, US · Arts, Culture & Humanities · Latest available filing year: 2018 · Primary form: IRS Form 990-N

  84. National Society of the Daughters of the American Revolution

    EIN 521766459 · Headquarters: Rockville, MD, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  85. National Society of the Daughters of the American Revolution

    EIN 526077053 · Headquarters: Rockville, MD, US · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-N

  86. National Student Speech Language Hearing Association

    EIN 520976011 · Headquarters: ROCKVILLE, MD, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990

  87. National Taiwan Univ Alumni Assoc in the Washington-baltimore Area

    EIN 453867875 · Headquarters: Rockville, MD, US · Education · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  88. National Taiwan Univ Alumni Association in the North America

    EIN 521720238 · Headquarters: Rockville, MD, US · Education · Latest available filing year: 2014 · Primary form: IRS Form 990-N

  89. National Taiwan University Alumni Chorus of the District of Columbia

    EIN 264181468 · Headquarters: Rockville, MD, US · Arts, Culture & Humanities · Latest available filing year: 2024 · Primary form: IRS Form 990-N

  90. National Thyroid Foundation

    EIN 201188194 · Headquarters: Rockville, MD, US · Diseases, Disorders & Medical Disciplines · Latest available filing year: 2007 · Primary form: IRS Form 990-N

  91. National Treasury Employees Union

    EIN 521126261 · Headquarters: Rockville, MD, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  92. National Treasury Employees Union

    EIN 522155199 · Headquarters: Rockville, MD, US · Employment · Latest available filing year: 2014 · Primary form: IRS Form 990-N

  93. National Tsing Hua University Alumni Association of Washington D

    EIN 843767531 · Headquarters: Rockville, MD, US · Education · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  94. Natural Philosophy Institute Inc

    EIN 462642286 · Headquarters: Rockville, MD, US · Education · Latest available filing year: 2024 · Primary form: IRS Form 990-N

  95. Neal Peter Memorial Fund Inc

    EIN 933000800 · Headquarters: ROCKVILLE, MD, USA · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-PF

  96. Neca Ibew Family Medical Care Trust Fund

    EIN 753198514 · Headquarters: ROCKVILLE, MD, USA · Mutual & Membership Benefit · Latest available filing year: 2025 · Primary form: IRS Form 990

  97. Neonatal Drug Development Foundation

    EIN 260274998 · Headquarters: Rockville, MD, US · Medical Research · Latest available filing year: 2012 · Primary form: IRS Form 990-N

  98. Nepalese American Senior Community

    EIN 260686875 · Headquarters: Rockville, MD, US · Human Services · Latest available filing year: 2019 · Primary form: IRS Form 990-N

  99. Network of Tanzanian Ministers in the USA

    EIN 823710745 · Headquarters: ROCKVILLE, MD, US · Religion Related · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  100. Neuromotion Inc

    EIN 392470948 · Headquarters: Rockville, MD, US · Education · Latest available filing year: 2025 · Primary form: IRS Form 990-N

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