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. Rock Hall Sailing Club

    EIN 264662113 · Headquarters: Rock Hall, MD, US · Unknown & Unclassified · Latest available filing year: 2012 · Primary form: IRS Form 990-N

  2. Rock Hall Senior Citizens Assoication

    EIN 364755274 · Headquarters: ROCK HALL, MD, US · Human Services · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  3. Rock Hall Volunteer Fire Company

    EIN 526055459 · Headquarters: ROCK HALL, MD, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990

  4. Rock Hall Volunteer Fire Company Foundation Inc

    EIN 831998994 · Headquarters: Rock Hall, MD, US · Public Safety, Disaster Preparedness & Relief · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  5. Rock Hall Yacht Club Inc

    EIN 521489913 · Headquarters: ROCK HALL, MD, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990

  6. Rock Hall Yacht Club Sailing School

    EIN 731678935 · Headquarters: ROCK HALL, MD, USA · Recreation & Sports · Latest available filing year: 2024 · Primary form: IRS Form 990-EZ

  7. Rock of Hope Ministries Inc

    EIN 455481471 · Headquarters: Hagerstown, MD, US · Food, Agriculture & Nutrition · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  8. Rock of Salvation Ministries Inc

    EIN 223923051 · Headquarters: BELTSVILLE, MD, US · Religion Related · Latest available filing year: 2021 · Primary form: IRS Form 990-N

  9. Rock of Salvation Ministries International Corp

    EIN 843269006 · Headquarters: New Windsor, MD, US · Religion Related · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  10. Rock Reaching Out with Compassion in Kibera Nfp

    EIN 473077001 · Headquarters: Bethesda, MD, US · Education · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  11. Rock Run Cemetery Co Inc

    EIN 521050495 · Headquarters: Havre de Grace, MD, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  12. Rock Run Family Foundation Inc

    EIN 921478292 · Headquarters: Potomac, MD, US · Education · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  13. Rock Spring Children's Center Inc

    EIN 521854414 · Headquarters: BETHESDA, MD, USA · Human Services · Latest available filing year: 2020 · Primary form: IRS Form 990

  14. Rock Spring Swim Club Inc

    EIN 521003339 · Headquarters: Forest Hill, MD, USA · Unknown & Unclassified · Latest available filing year: 2023 · Primary form: IRS Form 990

  15. Rock Springs Foundation

    EIN 223624934 · Headquarters: BETHESDA, MD, USA · Philanthropy, Voluntarism & Grantmaking Foundations · Latest available filing year: 2015 · Primary form: IRS Form 990-PF

  16. Rock Terrace Parent Teacher Group

    EIN 813897806 · Headquarters: Rockville, MD, US · Education · Latest available filing year: 2024 · Primary form: IRS Form 990-N

  17. Rockaway Beach Improvement Association Inc

    EIN 521158703 · Headquarters: Essex, MD, US · Housing & Shelter · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  18. Rockaway Beach Volunteer Fire Co Inc

    EIN 521802059 · Headquarters: ESSEX, MD, USA · Public Safety, Disaster Preparedness & Relief · Latest available filing year: 2017 · Primary form: IRS Form 990

  19. Rockbridge Academy Inc

    EIN 521937967 · Headquarters: CROWNSVILLE, MD, USA · Education · Latest available filing year: 2024 · Primary form: IRS Form 990

  20. Rockburn Institute Inc

    EIN 521106830 · Headquarters: ELKRIDGE, MD, USA · Health Care · Latest available filing year: 2022 · Primary form: IRS Form 990

  21. Rockburn Land Trust Inc

    EIN 521677460 · Headquarters: ELKRIDGE, MD, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-EZ

  22. Rocket Robotics Booster Association Inc

    EIN 392527481 · Headquarters: ROCKVILLE, MD, US · Education · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  23. Rockfield Foundation Inc

    EIN 522009027 · Headquarters: BEL AIR, MD, USA · Community Improvement & Capacity Building · Latest available filing year: 2024 · Primary form: IRS Form 990

  24. Rockfish Lacrosse Club Inc

    EIN 861266262 · Headquarters: Linthicum, MD, USA · Recreation & Sports · Latest available filing year: 2023 · Primary form: IRS Form 990-EZ

  25. Rockfish Swimming Inc

    EIN 473071003 · Headquarters: LEONARDTOWN, MD, USA · Recreation & Sports · Latest available filing year: 2024 · Primary form: IRS Form 990-EZ

  26. Rockhouse Arts Foundation Inc

    EIN 208103991 · Headquarters: Glen Arm, MD, US · Philanthropy, Voluntarism & Grantmaking Foundations · Latest available filing year: 2020 · Primary form: IRS Form 990-N

  27. Rockhurst University PAD Prelaw Chapter

    EIN 473911326 · Headquarters: TOWSON, MD, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  28. Rockin 4a Cause Corp

    EIN 932926074 · Headquarters: Rockville, MD, US · Diseases, Disorders & Medical Disciplines · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  29. Rockin the Rage Inc

    EIN 273711712 · Headquarters: Norbeck Rd, MD, US · Youth Development · Latest available filing year: 2011 · Primary form: IRS Form 990-N

  30. Rockland Woods Elementary School Pto

    EIN 943448993 · Headquarters: Hagerstown, MD, US · Education · Latest available filing year: 2024 · Primary form: IRS Form 990-N

  31. Rockshire Association Inc

    EIN 237194352 · Headquarters: COLUMBIA, MD, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990

  32. Rockshire Garden Club

    EIN 237345693 · Headquarters: Rockville, MD, US · Environment · Latest available filing year: 2011 · Primary form: IRS Form 990-N

  33. Rockshire Swimming Llc

    EIN 465728951 · Headquarters: Rocville, MD, US · Recreation & Sports · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  34. Rocktoberfest Corporation

    EIN 842556469 · Headquarters: La Plata, MD, US · Education · Latest available filing year: 2024 · Primary form: IRS Form 990-N

  35. Rockville Area Village Exchange Inc

    EIN 823132101 · Headquarters: Rockville, MD, US · Human Services · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  36. Rockville Art League Inc

    EIN 520958622 · Headquarters: Rockville, MD, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  37. Rockville Bach Academy Inc

    EIN 450558638 · Headquarters: Rockville, MD, US · Arts, Culture & Humanities · Latest available filing year: 2020 · Primary form: IRS Form 990-N

  38. Rockville Baseball Association Inc

    EIN 264319865 · Headquarters: POTOMAC, MD, USA · Recreation & Sports · Latest available filing year: 2024 · Primary form: IRS Form 990-EZ

  39. Rockville Baseball Club Incorporated

    EIN 270425191 · Headquarters: ROCKVILLE, MD, US · Recreation & Sports · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  40. Rockville Bike Hub

    EIN 471974411 · Headquarters: Rockville, MD, USA · Human Services · Latest available filing year: 2025 · Primary form: IRS Form 990-EZ

  41. Rockville Brass Band Inc

    EIN 522295225 · Headquarters: Silver Spring, MD, US · Arts, Culture & Humanities · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  42. Rockville Cemetery Association Inc

    EIN 522321579 · Headquarters: ROCKVILLE, MD, USA · Mutual & Membership Benefit · Latest available filing year: 2023 · Primary form: IRS Form 990

  43. Rockville Chinese School

    EIN 521243774 · Headquarters: BETHESDA, MD, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990

  44. Rockville Chorus Inc

    EIN 332445553 · Headquarters: Gaithersburg, MD, US · Arts, Culture & Humanities · Latest available filing year: 2024 · Primary form: IRS Form 990-N

  45. Rockville Community Baseball Inc

    EIN 061746631 · Headquarters: Rockville, MD, US · Recreation & Sports · Latest available filing year: 2020 · Primary form: IRS Form 990-N

  46. Rockville Community Nursery School

    EIN 520806468 · Headquarters: ROCKVILLE, MD, USA · Education · Latest available filing year: 2024 · Primary form: IRS Form 990

  47. Rockville Consortium for Sciences Inc

    EIN 521666977 · Headquarters: Rockville, MD, US · Social Science · Latest available filing year: 2014 · Primary form: IRS Form 990-N

  48. Rockville Day Care Association Inc

    EIN 520898527 · Headquarters: ROCKVILLE, MD, USA · Human Services · Latest available filing year: 2024 · Primary form: IRS Form 990

  49. Rockville Economic Development Inc

    EIN 522056731 · Headquarters: ROCKVILLE, MD, USA · Community Improvement & Capacity Building · Latest available filing year: 2024 · Primary form: IRS Form 990

  50. Rockville Football League Inc

    EIN 521979990 · Headquarters: Germantown, MD, USA · Recreation & Sports · Latest available filing year: 2022 · Primary form: IRS Form 990

  51. Rockville Fraternal Order of Police Lodge No 117 Inc

    EIN 455468195 · Headquarters: Rockville, MD, US · Unknown & Unclassified · Latest available filing year: 2019 · Primary form: IRS Form 990-N

  52. Rockville Halland Library Assoc

    EIN 521217703 · Headquarters: Rockville, MD, US · Community Improvement & Capacity Building · Latest available filing year: 2023 · Primary form: IRS Form 990-N

  53. Rockville Help Incorporated

    EIN 237416323 · Headquarters: Rockville, MD, US · Human Services · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  54. Rockville High School Pta

    EIN 237077090 · Headquarters: Rockville, MD, US · Education · Latest available filing year: 2022 · Primary form: IRS Form 990-N

  55. Rockville Lions Foundation Inc

    EIN 522062785 · Headquarters: Rockville, MD, US · Philanthropy, Voluntarism & Grantmaking Foundations · Latest available filing year: 2024 · Primary form: IRS Form 990-N

  56. Rockville Little Theatre Inc

    EIN 237067277 · Headquarters: Rockville, MD, USA · Arts, Culture & Humanities · Latest available filing year: 2025 · Primary form: IRS Form 990-EZ

  57. Rockville Lodge No 1540 Loyal Order of Moose

    EIN 520624590 · Headquarters: Rockville, MD, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990

  58. Rockville Meals on Wheels

    EIN 237439059 · Headquarters: ROCKVILLE, MD, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990

  59. Rockville Model Railroad Society Inc

    EIN 721888483 · Headquarters: Washington Grove, MD, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  60. Rockville Musical Theatre

    EIN 521055828 · Headquarters: Rockville, MD, USA · Public Safety, Disaster Preparedness & Relief · Latest available filing year: 2025 · Primary form: IRS Form 990-EZ

  61. Rockville Nursery School and Kindergarten

    EIN 526001900 · Headquarters: ROCKVILLE, MD, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990

  62. Rockville Nursing Home Foundation Inc

    EIN 520964594 · Headquarters: Rockville, MD, USA · Health Care · Latest available filing year: 2024 · Primary form: IRS Form 990

  63. Rockville Pregnancy Center Inc

    EIN 521492325 · Headquarters: ROCKVILLE, MD, USA · Health Care · Latest available filing year: 2024 · Primary form: IRS Form 990

  64. Rockville Presbyterian Cooperative Nursery School

    EIN 521252079 · Headquarters: Rockville, MD, USA · Education · Latest available filing year: 2024 · Primary form: IRS Form 990

  65. Rockville Recreation and Parks Foundation Inc

    EIN 262272595 · Headquarters: Potomac, MD, US · Recreation & Sports · Latest available filing year: 2024 · Primary form: IRS Form 990-N

  66. Rockville Roadies Multiple Sclerosis Project Inc

    EIN 020587172 · Headquarters: Gaithersburg, MD, US · Diseases, Disorders & Medical Disciplines · Latest available filing year: 2015 · Primary form: IRS Form 990-N

  67. Rockville Robotics Inc

    EIN 821492333 · Headquarters: ROCKVILLE, MD, USA · Youth Development · Latest available filing year: 2024 · Primary form: IRS Form 990-EZ

  68. Rockville Rotary Club Foundation Inc

    EIN 521828849 · Headquarters: Rockville, MD, USA · Philanthropy, Voluntarism & Grantmaking Foundations · Latest available filing year: 2024 · Primary form: IRS Form 990-EZ

  69. Rockville Scholarship Foundation Inc

    EIN 521380244 · Headquarters: ROCKVILLE, MD, US · Education · Latest available filing year: 2013 · Primary form: IRS Form 990-N

  70. Rockville Science Center Inc

    EIN 264437946 · Headquarters: Rockville, MD, USA · Arts, Culture & Humanities · Latest available filing year: 2024 · Primary form: IRS Form 990

  71. Rockville Seniors Inc

    EIN 521266464 · Headquarters: ROCKVILLE, MD, US · Human Services · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  72. Rockville Sister City Corporation

    EIN 521465074 · Headquarters: Rockville, MD, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  73. Rockville Soccer Club

    EIN 463609708 · Headquarters: ROCKVILLE, MD, USA · Youth Development · Latest available filing year: 2025 · Primary form: IRS Form 990-PF

  74. Rockville Volunteer Fire Department

    EIN 520463305 · Headquarters: ROCKVILLE, MD, USA · Public Safety, Disaster Preparedness & Relief · Latest available filing year: 2024 · Primary form: IRS Form 990

  75. Rockville Youth Lacrosse Club Incorporated

    EIN 311565122 · Headquarters: North Potomac, MD, US · Recreation & Sports · Latest available filing year: 2008 · Primary form: IRS Form 990-N

  76. Rockville-montgomery Robotics Association

    EIN 812086471 · Headquarters: Germantown, MD, US · Education · Latest available filing year: 2020 · Primary form: IRS Form 990-N

  77. Rockville-Olney Soccer Academy Inc

    EIN 851580035 · Headquarters: Rockville, MD, USA · Recreation & Sports · Latest available filing year: 2022 · Primary form: IRS Form 990

  78. Rocky Glen Homeowners Association Inc

    EIN 205115726 · Headquarters: Ellicott City, MD, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  79. Rocky Hill Cemetery Association Inc

    EIN 205432167 · Headquarters: Woodsboro, MD, US · Mutual & Membership Benefit · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  80. Rocky Mountain College Health Association

    EIN 830212872 · Headquarters: SILVER SPRING, MD, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  81. Rocky Mountain Oncology Society

    EIN 841181046 · Headquarters: ROCKVILLE, MD, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990

  82. Rocky Ridge Vol Fire Company Inc

    EIN 522061415 · Headquarters: Rocky Ridge, MD, USA · Public Safety, Disaster Preparedness & Relief · Latest available filing year: 2025 · Primary form: IRS Form 990

  83. Rocky Ridge Youth Association

    EIN 881379351 · Headquarters: Thurmont, MD, USA · Youth Development · Latest available filing year: 2024 · Primary form: IRS Form 990-PF

  84. Rocky Springs Cemetery Company

    EIN 832040796 · Headquarters: MIDDLETOWN, MD, US · Public & Societal Benefit · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  85. Rocky Springs Union Church

    EIN 020749130 · Headquarters: Frederick, MD, US · Unknown & Unclassified · Latest available filing year: 2013 · Primary form: IRS Form 990-N

  86. Rockys Horse Rescue and Rehabilitation

    EIN 465656223 · Headquarters: Thurmont, MD, US · Animal Related · Latest available filing year: 2024 · Primary form: IRS Form 990-N

  87. Rodger Snyder Memorial Ladies Auxiliary # 117

    EIN 521488474 · Headquarters: TIMONIUM, MD, US · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-N

  88. Rodgers Forge Community Inc

    EIN 520781747 · Headquarters: Riderwood, MD, US · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-N

  89. Rodman Local Union 201 Apprentice Fund

    EIN 526082337 · Headquarters: OXON HILL, MD, USA · Employment · Latest available filing year: 2016 · Primary form: IRS Form 990

  90. Rodry D Webb Memorial Scholarship Fund

    EIN 020715554 · Headquarters: Ellicott City, MD, US · Education · Latest available filing year: 2009 · Primary form: IRS Form 990-N

  91. Roelma Holding Corporation

    EIN 814197769 · Headquarters: Sharptown, MD, US · Mutual & Membership Benefit · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  92. Rogcoc Scholarship Fund Inc

    EIN 521747839 · Headquarters: Reisterstown, MD, US · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-N

  93. Roger and Felicity Tchoufa Foundation Inc

    EIN 852532871 · Headquarters: BETHESDA, MD, US · Human Services · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  94. Roger Heights Jaguars Pta

    EIN 333718179 · Headquarters: Bladensburg, MD, US · Education · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  95. Roger Rizer Memorial Car Show

    EIN 474001129 · Headquarters: Rawlings, MD, US · Health Care · Latest available filing year: 2019 · Primary form: IRS Form 990-N

  96. Roger Williams University PAD Prelaw Chapter

    EIN 271709302 · Headquarters: TOWSON, MD, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  97. Rogers-wilbur Foundation Inc

    EIN 136103945 · Headquarters: CROWNSVILLE, MD, USA · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-PF

  98. Rognel Heights Community Assoc

    EIN 522210011 · Headquarters: Baltimore, MD, US · Community Improvement & Capacity Building · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  99. Rogue Swan Theatre Company Inc

    EIN 465553266 · Headquarters: Bel Air, MD, US · Arts, Culture & Humanities · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  100. Rohauer Collection Foundation Inc

    EIN 133578176 · Headquarters: CROWNSVILLE, MD, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-PF

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