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. Lincoln Park Historical Foundation Inc

    EIN 522123848 · Headquarters: Rockville, MD, US · Arts, Culture & Humanities · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  2. Lipid Research Inc

    EIN 520739613 · Headquarters: Rockville, MD, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  3. Little Angels of the Broken Wings Inc

    EIN 272468570 · Headquarters: Rockville, MD, US · Religion Related · Latest available filing year: 2012 · Primary form: IRS Form 990-N

  4. Little Dates Club Ltd

    EIN 412389876 · Headquarters: Rockville, MD, US · Religion Related · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  5. Little Wind Phone Project

    EIN 392486816 · Headquarters: Rockville, MD, US · Mental Health & Crisis Intervention · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  6. Lobo Initiative Inc

    EIN 881089482 · Headquarters: rockville, MD, US · Civil Rights, Social Action & Advocacy · Latest available filing year: 2023 · Primary form: IRS Form 990-N

  7. Louisiana Oncology Society

    EIN 721219540 · Headquarters: ROCKVILLE, MD, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990

  8. Love and Hugs Mental Health Foundation Inc

    EIN 933717327 · Headquarters: ROCKVILLE, MD, US · Human Services · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  9. Lovepaws

    EIN 833122611 · Headquarters: Rockville, MD, USA · Animal Related · Latest available filing year: 2024 · Primary form: IRS Form 990-EZ

  10. Lymn Foundation Inc

    EIN 522193224 · Headquarters: ROCKVILLE, MD, USA · Philanthropy, Voluntarism & Grantmaking Foundations · Latest available filing year: 2020 · Primary form: IRS Form 990-PF

  11. Maam - Life Coaching

    EIN 990988906 · Headquarters: Rockville, MD, US · Community Improvement & Capacity Building · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  12. Madison House Autism Foundation Inc

    EIN 320260393 · Headquarters: ROCKVILLE, MD, USA · Health Care · Latest available filing year: 2024 · Primary form: IRS Form 990

  13. Magruder High School Instrumental Music Boosters

    EIN 521437434 · Headquarters: Rockville, MD, US · Recreation & Sports · Latest available filing year: 2024 · Primary form: IRS Form 990-N

  14. Mahamevnawa Meditation Center of Greater Washingto

    EIN 453758832 · Headquarters: Rockville, MD, USA · Religion Related · Latest available filing year: 2025 · Primary form: IRS Form 990-EZ

  15. Main Street Connect Inc

    EIN 815280080 · Headquarters: ROCKVILLE, MD, USA · Housing & Shelter · Latest available filing year: 2025 · Primary form: IRS Form 990

  16. Maipn Inc

    EIN 474683553 · Headquarters: Rockville, MD, US · Public Safety, Disaster Preparedness & Relief · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  17. Make a Difference Engine Inc

    EIN 472723442 · Headquarters: Rockville, MD, US · Education · Latest available filing year: 2022 · Primary form: IRS Form 990-N

  18. Make Sure It Happens Inc

    EIN 853536160 · Headquarters: Rockville, MD, US · Public & Societal Benefit · Latest available filing year: 2024 · Primary form: IRS Form 990-N

  19. Makuyu Education Initiative Inc

    EIN 453604292 · Headquarters: ROCKVILLE, MD, US · Education · Latest available filing year: 2024 · Primary form: IRS Form 990-N

  20. Malik Maula Baksh Memorial Tr Inc USA

    EIN 521954317 · Headquarters: Rockville, MD, US · Religion Related · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  21. Malta House Inc

    EIN 521845215 · Headquarters: ROCKVILLE, MD, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990

  22. Manor Apartments Inc

    EIN 521681046 · Headquarters: Rockville, MD, USA · Human Services · Latest available filing year: 2024 · Primary form: IRS Form 990

  23. Manor Connections Incorporated

    EIN 820886169 · Headquarters: Rockville, MD, US · Housing & Shelter · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  24. Manor Country Club Inc

    EIN 520400120 · Headquarters: ROCKVILLE, MD, USA · Unknown & Unclassified · Latest available filing year: 2023 · Primary form: IRS Form 990

  25. Manor Woods Swim Club Inc

    EIN 520858674 · Headquarters: ROCKVILLE, MD, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990

  26. Marian Assisted Living Inc

    EIN 522131149 · Headquarters: ROCKVILLE, MD, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990

  27. Marlow Guitar International Incorporated

    EIN 474523712 · Headquarters: ROCKVILLE, MD, USA · Arts, Culture & Humanities · Latest available filing year: 2024 · Primary form: IRS Form 990

  28. Marvateens Gymnastics Inc

    EIN 237209537 · Headquarters: ROCKVILLE, MD, US · Unknown & Unclassified · Latest available filing year: 2021 · Primary form: IRS Form 990-N

  29. Maryland Basketball Academy Inc

    EIN 454525127 · Headquarters: ROCKVILLE, MD, USA · Recreation & Sports · Latest available filing year: 2021 · Primary form: IRS Form 990-EZ

  30. Maryland Bichon Frise Rescue Inc

    EIN 201294948 · Headquarters: Rockville, MD, US · Animal Related · Latest available filing year: 2016 · Primary form: IRS Form 990-N

  31. Maryland Burglar and Fire

    EIN 521790672 · Headquarters: Rockville, MD, USA · Public Safety, Disaster Preparedness & Relief · Latest available filing year: 2012 · Primary form: IRS Form 990-EZ

  32. Maryland Business Brokers Association

    EIN 334421312 · Headquarters: Rockville, MD, USA · Mutual & Membership Benefit · Latest available filing year: 2025 · Primary form: IRS Form 990-EZ

  33. Maryland Collaborative Practice Council Inc

    EIN 204885036 · Headquarters: Rockville, MD, US · Employment · Latest available filing year: 2017 · Primary form: IRS Form 990-N

  34. Maryland Council for Dispute Resolution Inc

    EIN 912041897 · Headquarters: Rockville, MD, US · Crime & Legal Related · Latest available filing year: 2020 · Primary form: IRS Form 990-N

  35. Maryland Dental Implant Study Club

    EIN 472421272 · Headquarters: ROCKVILLE, MD, USA · Health Care · Latest available filing year: 2024 · Primary form: IRS Form 990-EZ

  36. Maryland Health Care Product Development Corporation

    EIN 521900080 · Headquarters: ROCKVILLE, MD, USA · Community Improvement & Capacity Building · Latest available filing year: 2024 · Primary form: IRS Form 990

  37. Maryland Information Technology Center Inc

    EIN 521741510 · Headquarters: Rockville, MD, US · Science & Technology · Latest available filing year: 2011 · Primary form: IRS Form 990-N

  38. Maryland Leadership Seminar Foundation Inc

    EIN 521269293 · Headquarters: ROCKVILLE, MD, USA · Youth Development · Latest available filing year: 2024 · Primary form: IRS Form 990-EZ

  39. Maryland Society of Oral & Maxillofacial Surgeons Inc

    EIN 200771226 · Headquarters: ROCKVILLE, MD, USA · Community Improvement & Capacity Building · Latest available filing year: 2025 · Primary form: IRS Form 990-EZ

  40. Maryland Tax Education Foundation Inc

    EIN 522065072 · Headquarters: Rockville, MD, US · Civil Rights, Social Action & Advocacy · Latest available filing year: 2013 · Primary form: IRS Form 990-N

  41. Maryland United Youth Aau Basketball

    EIN 833615222 · Headquarters: ROCKVILLE, MD, US · Recreation & Sports · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  42. Maryland Veterinary Medical Association

    EIN 521642739 · Headquarters: ROCKVILLE, MD, US · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-N

  43. Maryland Youth Pipe Band Inc

    EIN 453989301 · Headquarters: Rockville, MD, US · Education · Latest available filing year: 2024 · Primary form: IRS Form 990-N

  44. 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

  45. Mastersingers USA Inc

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

  46. 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

  47. Mattie J T Stepanek Foundation Inc

    EIN 202743852 · Headquarters: ROCKVILLE, MD, USA · Diseases, Disorders & Medical Disciplines · Latest available filing year: 2024 · Primary form: IRS Form 990

  48. Mcaa Charitable Fund

    EIN 822684292 · Headquarters: ROCKVILLE, MD, USA · Human Services · Latest available filing year: 2024 · Primary form: IRS Form 990-EZ

  49. Md Chapter of American Society for Metabolic & Bariatric Surgery

    EIN 800798237 · Headquarters: ROCKVILLE, MD, US · Diseases, Disorders & Medical Disciplines · Latest available filing year: 2017 · Primary form: IRS Form 990-N

  50. Md Ppa Inc

    EIN 311797571 · Headquarters: Rockville, MD, US · Arts, Culture & Humanities · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  51. Mdv Solar Energy Industry Association Dba Chessa

    EIN 521373539 · Headquarters: ROCKVILLE, MD, USA · Community Improvement & Capacity Building · Latest available filing year: 2024 · Primary form: IRS Form 990

  52. Mechanical Contractors Association of America Inc

    EIN 130831270 · Headquarters: ROCKVILLE, MD, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990

  53. Mechanical Contractors Association of Metropolitan Washington

    EIN 530216594 · Headquarters: ROCKVILLE, MD, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990

  54. Medical Missions for Global Health Inc

    EIN 832636282 · Headquarters: ROCKVILLE, MD, US · Health Care · Latest available filing year: 2023 · Primary form: IRS Form 990-N

  55. Medical Professional Liability Association

    EIN 222205875 · Headquarters: ROCKVILLE, MD, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990

  56. Medical Professional Liability Association Education & Research Fdn

    EIN 311815301 · Headquarters: ROCKVILLE, MD, US · Medical Research · Latest available filing year: 2024 · Primary form: IRS Form 990-N

  57. Medicine for the World

    EIN 453644769 · Headquarters: Rockville, MD, US · Health Care · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  58. Melchizedek Education and Research Institute

    EIN 813829840 · Headquarters: ROCKVILLE, MD, US · Education · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  59. Melvin J Berman Hebrew Academy

    EIN 530208371 · Headquarters: ROCKVILLE, MD, USA · Religion Related · Latest available filing year: 2024 · Primary form: IRS Form 990

  60. Mental Illness Awareness Group

    EIN 821474967 · Headquarters: Rockville, MD, US · Mental Health & Crisis Intervention · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  61. Meta Research Inc

    EIN 521731488 · Headquarters: Rockville, MD, US · Science & Technology · Latest available filing year: 2023 · Primary form: IRS Form 990-N

  62. Methodist Cemetery Association

    EIN 562308366 · Headquarters: Rockville, MD, US · Mutual & Membership Benefit · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  63. Metro Club Inc

    EIN 521916564 · Headquarters: ROCKVILLE, MD, USA · Mental Health & Crisis Intervention · Latest available filing year: 2024 · Primary form: IRS Form 990

  64. Metro Dc Community Yoga Inc

    EIN 273091130 · Headquarters: Rockville, MD, US · Human Services · Latest available filing year: 2021 · Primary form: IRS Form 990-N

  65. Metro Maryland Ostomy Assn Inc

    EIN 521042867 · Headquarters: Rockville, MD, US · Diseases, Disorders & Medical Disciplines · Latest available filing year: 2024 · Primary form: IRS Form 990-N

  66. Meyer Bobrow Family Foundation C/o Steven Oram

    EIN 522088460 · Headquarters: ROCKVILLE, MD, USA · Philanthropy, Voluntarism & Grantmaking Foundations · Latest available filing year: 2025 · Primary form: IRS Form 990-PF

  67. Mid Atlantic Region Environmental Professionals

    EIN 800730107 · Headquarters: Rockville, MD, US · Environment · Latest available filing year: 2024 · Primary form: IRS Form 990-N

  68. Mid-atlantic Dogs Inc

    EIN 521659829 · Headquarters: Rockville, MD, US · Health Care · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  69. Mid-atlantic Pickleball Association Inc

    EIN 882724070 · Headquarters: ROCKVILLE, MD, US · Unknown & Unclassified · Latest available filing year: 2023 · Primary form: IRS Form 990-N

  70. Mildove International Inc

    EIN 823469090 · Headquarters: Rockville, MD, US · Youth Development · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  71. Mill Creek Towne East Homeowners Association Inc

    EIN 237371564 · Headquarters: ROCKVILLE, MD, USA · Arts, Culture & Humanities · Latest available filing year: 2013 · Primary form: IRS Form 990-EZ

  72. Minnesota Society of Clinical Oncology

    EIN 300188580 · Headquarters: ROCKVILLE, MD, USA · Community Improvement & Capacity Building · Latest available filing year: 2024 · Primary form: IRS Form 990

  73. Miris Haven Senior Dog Rescue

    EIN 871385899 · Headquarters: Rockville, MD, USA · Animal Related · Latest available filing year: 2024 · Primary form: IRS Form 990

  74. Missouri Oncology Society

    EIN 450499361 · Headquarters: ROCKVILLE, MD, USA · Community Improvement & Capacity Building · Latest available filing year: 2024 · Primary form: IRS Form 990-EZ

  75. Mobile Medical Care Inc

    EIN 237022588 · Headquarters: Rockville, MD, USA · Health Care · Latest available filing year: 2024 · Primary form: IRS Form 990

  76. Momentum

    EIN 383852989 · Headquarters: Rockville, MD, USA · Religion Related · Latest available filing year: 2024 · Primary form: IRS Form 990

  77. Mommys Angels Inc

    EIN 383756730 · Headquarters: Rockville, MD, US · Religion Related · Latest available filing year: 2012 · Primary form: IRS Form 990-N

  78. Moms Club

    EIN 260069380 · Headquarters: Rockville, MD, US · Human Services · Latest available filing year: 2011 · Primary form: IRS Form 990-N

  79. Moms Club

    EIN 800024459 · Headquarters: ROCKVILLE, MD, US · Human Services · Latest available filing year: 2020 · Primary form: IRS Form 990-N

  80. Mont Cnty Career Fire Fighters Charitable Found Inc

    EIN 823954503 · Headquarters: ROCKVILLE, MD, USA · Public & Societal Benefit · Latest available filing year: 2024 · Primary form: IRS Form 990

  81. Mont County Career Fire Fighters Assn

    EIN 521018789 · Headquarters: ROCKVILLE, MD, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990

  82. Montana State Oncology Society

    EIN 320454325 · Headquarters: ROCKVILLE, MD, USA · Community Improvement & Capacity Building · Latest available filing year: 2024 · Primary form: IRS Form 990-EZ

  83. Montessori Schools of Maryland

    EIN 271046421 · Headquarters: Rockville, MD, US · Education · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  84. Montgomery Alliance

    EIN 760785480 · Headquarters: ROCKVILLE, MD, USA · Human Services · Latest available filing year: 2013 · Primary form: IRS Form 990

  85. Montgomery Ancient Mariners Inc

    EIN 521910304 · Headquarters: Rockville, MD, US · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-N

  86. Montgomery Avenue Womens Center Inc

    EIN 522105816 · Headquarters: Rockville, MD, US · Human Services · Latest available filing year: 2016 · Primary form: IRS Form 990-N

  87. Montgomery Business Development Corporation

    EIN 274538587 · Headquarters: ROCKVILLE, MD, USA · Community Improvement & Capacity Building · Latest available filing year: 2014 · Primary form: IRS Form 990

  88. Montgomery Child Care Association Inc

    EIN 520880656 · Headquarters: ROCKVILLE, MD, USA · Human Services · Latest available filing year: 2024 · Primary form: IRS Form 990

  89. Montgomery Co Pom

    EIN 526074387 · Headquarters: Rockville, MD, US · Human Services · Latest available filing year: 2024 · Primary form: IRS Form 990-N

  90. Montgomery Coalition for Adult English Literacy

    EIN 208015355 · Headquarters: Rockville, MD, USA · Education · Latest available filing year: 2024 · Primary form: IRS Form 990

  91. Montgomery College Foundation

    EIN 521267008 · Headquarters: ROCKVILLE, MD, USA · Education · Latest available filing year: 2024 · Primary form: IRS Form 990

  92. Montgomery College Global Education Initiatives Inc

    EIN 462239189 · Headquarters: ROCKVILLE, MD, USA · Unknown & Unclassified · Latest available filing year: 2017 · Primary form: IRS Form 990-EZ

  93. Montgomery Community Television Inc

    EIN 521372897 · Headquarters: ROCKVILLE, MD, USA · Arts, Culture & Humanities · Latest available filing year: 2024 · Primary form: IRS Form 990

  94. Montgomery County Association of Administrators & Principals

    EIN 521275622 · Headquarters: ROCKVILLE, MD, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990

  95. Montgomery County Beekeepers Association Inc

    EIN 611628144 · Headquarters: Rockville, MD, US · Animal Related · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  96. Montgomery County Camera Club of Maryland

    EIN 820843096 · Headquarters: Rockville, MD, US · Recreation & Sports · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  97. Montgomery County Chamber Community Foundation Inc

    EIN 300495881 · Headquarters: ROCKVILLE, MD, USA · Human Services · Latest available filing year: 2024 · Primary form: IRS Form 990

  98. Montgomery County Chamber of Commerce

    EIN 520735621 · Headquarters: ROCKVILLE, MD, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990

  99. Montgomery County Collaboration Council

    EIN 141904589 · Headquarters: ROCKVILLE, MD, USA · Health Care · Latest available filing year: 2024 · Primary form: IRS Form 990

  100. Montgomery County Comic & Cosplay Club

    EIN 874359043 · Headquarters: Rockville, MD, US · Arts, Culture & Humanities · Latest available filing year: 2025 · Primary form: IRS Form 990-N

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