Unknown & Unclassified nonprofits in Maryland

Unknown & Unclassified nonprofits in Maryland. Browse 10,672 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. His Grace Is Sufficient International Outreach Ministries-

    EIN 383882379 · Headquarters: Bowie, MD, US · Unknown & Unclassified · Latest available filing year: 2012 · Primary form: IRS Form 990-N

  2. His Love in Action

    EIN 473550425 · Headquarters: FROSTBURG, MD, US · Unknown & Unclassified · Latest available filing year: 2018 · Primary form: IRS Form 990-N

  3. Hispanic Chamber of Commerce Prince Georges County Hccpg

    EIN 922728466 · Headquarters: UPPER MARLBORO, MD, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  4. Historic Easton Inc

    EIN 237309742 · Headquarters: EASTON, MD, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-EZ

  5. Historic Glyndon Incorporation

    EIN 737420305 · Headquarters: Glyndon, MD, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  6. Historic Properties Foundation Inc

    EIN 880992166 · Headquarters: OWINGS MILLS, MD, USA · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-PF

  7. Historic Sotterley Inc

    EIN 526037721 · Headquarters: HOLLYWOOD, MD, USA · Unknown & Unclassified · Latest available filing year: 2023 · Primary form: IRS Form 990

  8. Historic St Martin's Church Museum Foundation Inc

    EIN 521819973 · Headquarters: BERLIN, MD, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-EZ

  9. Historic Takoma Inc

    EIN 521146960 · Headquarters: Takoma Park, MD, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990

  10. Historic Uniontown Inc

    EIN 520911581 · Headquarters: Westminster, MD, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  11. Historical Interpreters Inc

    EIN 521440324 · Headquarters: Woodbine, MD, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  12. Historical Miniatures Gaming Society In

    EIN 521463458 · Headquarters: Bel Air, MD, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990

  13. Historical Old Salem Inc

    EIN 521078117 · Headquarters: CATONSVILLE, MD, US · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-N

  14. Historical Society Harford Cou

    EIN 526054081 · Headquarters: Bel Air, MD, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990

  15. Historical Society of Cecil County Inc

    EIN 237075378 · Headquarters: ELKTON, MD, USA · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990

  16. Historical Society of Charles County Inc

    EIN 237043444 · Headquarters: La Plata, MD, US · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-N

  17. Hisvision Inc

    EIN 815315232 · Headquarters: Ellicott, MD, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  18. Hmshost Corporation Vacation Benefits Plan and Trust

    EIN 526329856 · Headquarters: Bethesda, MD, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990

  19. Hocking College Student Chapter

    EIN 522103984 · Headquarters: Bethesda, MD, US · Unknown & Unclassified · Latest available filing year: 2023 · Primary form: IRS Form 990-N

  20. Hoffa Foundation Inc

    EIN 852401361 · Headquarters: SYKESVILLE, MD, USA · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990

  21. Hoffberger Foundation Inc

    EIN 520794249 · Headquarters: BALTIMORE, MD, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-PF

  22. Hofstra University PAD Prelaw Chapter

    EIN 943106009 · Headquarters: TOWSON, MD, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  23. Hogs & Heroes Foundation Maryland Chapter 5

    EIN 454091852 · Headquarters: severn, MD, US · Unknown & Unclassified · Latest available filing year: 2014 · Primary form: IRS Form 990-N

  24. Hogs & Heroes Foundation Md Chapt 4

    EIN 352426360 · Headquarters: MIDDLE RIVER, MD, US · Unknown & Unclassified · Latest available filing year: 2019 · Primary form: IRS Form 990-N

  25. Hogs & Heroes Foundation-Maryland Chapter 1

    EIN 352417337 · Headquarters: Sudlersville, MD, US · Unknown & Unclassified · Latest available filing year: 2023 · Primary form: IRS Form 990-N

  26. Hogs and Heroes Foundation -Delaware Chapter 5

    EIN 464651241 · Headquarters: Beltsville, MD, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  27. Hogs and Heroes Foundation Inc Ny Ch 3

    EIN 454552086 · Headquarters: Beltsville, MD, US · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-N

  28. Hogs and Heroes Foundation Incorporated Maryland Chapter 8

    EIN 473236754 · Headquarters: Ocean City, MD, US · Unknown & Unclassified · Latest available filing year: 2018 · Primary form: IRS Form 990-N

  29. Holiday Park Neighborhood Associati On

    EIN 393963235 · Headquarters: Silver Spring, MD, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  30. Holiday Rambler Recreational Vehicle Club Inc

    EIN 270066191 · Headquarters: Laurel, MD, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  31. Holiday Rambler Recreational Vehicle Club Inc

    EIN 900632483 · Headquarters: Laurel, MD, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  32. Holiday Ramblers Recreational

    EIN 200255566 · Headquarters: Laurel, MD, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  33. Holland PAD Law Chapter

    EIN 271700545 · Headquarters: TOWSON, MD, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  34. Holley Youth Sports and Training Inc

    EIN 813992972 · Headquarters: Upper Marlboro, MD, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  35. Holly Court Community Association Inc

    EIN 521039034 · Headquarters: BALTIMORE, MD, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-EZ

  36. Holly Grove Christian School Inc

    EIN 521063203 · Headquarters: WESTOVER, MD, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990

  37. Holly Hill Garden Club

    EIN 273574812 · Headquarters: Port Tobacco, MD, US · Unknown & Unclassified · Latest available filing year: 2013 · Primary form: IRS Form 990-N

  38. Hollys Heart Foundation

    EIN 842459012 · Headquarters: Mechanicsvlle, MD, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  39. Hollywood-on-severn Improvement Association Inc

    EIN 520823734 · Headquarters: SEVERNA PARK, MD, US · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-N

  40. Holy Cross Health

    EIN 520738041 · Headquarters: SILVER SPRING, MD, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990

  41. Holy Refugee Assembly Inc

    EIN 995144847 · Headquarters: Salisbury, MD, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  42. Holy Temple of Jesus Christ

    EIN 821702708 · Headquarters: Edgewood, MD, US · Unknown & Unclassified · Latest available filing year: 2020 · Primary form: IRS Form 990-N

  43. Home Assist Inc

    EIN 464953171 · Headquarters: ODENTON, MD, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-EZ

  44. Home Builders Assoc of Wash County

    EIN 521225114 · Headquarters: HAGERSTOWN, MD, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-EZ

  45. Home Builders' Association of Western Marylandinc

    EIN 520783735 · Headquarters: CUMBERLAND, MD, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  46. Home Project Incorporated

    EIN 831229403 · Headquarters: Fort Washington, MD, US · Unknown & Unclassified · Latest available filing year: 2021 · Primary form: IRS Form 990-N

  47. Homecrest House

    EIN 521517014 · Headquarters: Silver Spring, MD, United States · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990

  48. Homeland Association Inc

    EIN 526054510 · Headquarters: BALTIMORE, MD, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990

  49. Homeland Racquet Club Inc

    EIN 520679692 · Headquarters: WHITE MARSH, MD, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990

  50. Homer & Martha Gudelsky Family Fdn

    EIN 520885969 · Headquarters: SILVER SPRING, MD, USA · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-PF

  51. Homeschooling by Grace

    EIN 822348591 · Headquarters: Myersville, MD, US · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-N

  52. Homestead Wakefield Elementary PTA

    EIN 237030785 · Headquarters: Bel Air, MD, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-EZ

  53. Hon Paul V Niemeyer Portrait Fund

    EIN 263820909 · Headquarters: Silver Spring, MD, US · Unknown & Unclassified · Latest available filing year: 2010 · Primary form: IRS Form 990-N

  54. Honor Society of Phi Kappa Phi

    EIN 270403148 · Headquarters: BALTIMORE, MD, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  55. Honor Society of Phi Kappa Phi

    EIN 270746547 · Headquarters: COLLEGE PARK, MD, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  56. Honor Society of Phi Kappa Phi

    EIN 270783973 · Headquarters: ADELPHI, MD, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  57. Honorable Cacfp Sponsorship Inc

    EIN 934646246 · Headquarters: Greenbelt, MD, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  58. Hood College Foundation Inc

    EIN 521961144 · Headquarters: FREDERICK, MD, USA · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-EZ

  59. Hoopers Island Volunteer Fire Co in Hoopers Island Volunteer Fire Co In

    EIN 521314569 · Headquarters: FISHING CREEK, MD, USA · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990

  60. Hope Community Services Inc

    EIN 921554719 · Headquarters: Owings Mills, MD, USA · Unknown & Unclassified · Latest available filing year: 2023 · Primary form: IRS Form 990-EZ

  61. Hope Development Company

    EIN 521845968 · Headquarters: BALTIMORE, MD, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-PF

  62. Hope Housing

    EIN 521682576 · Headquarters: Randallstown, MD, US · Unknown & Unclassified · Latest available filing year: 2019 · Primary form: IRS Form 990-N

  63. Hope Ignites Baltimore Inc

    EIN 522356443 · Headquarters: Baltimore, MD, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990

  64. Hope Incorporated

    EIN 521641588 · Headquarters: BETHESDA, MD, USA · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-PF

  65. Hope of Glory Believers Church

    EIN 812782001 · Headquarters: Silver Spring, MD, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-EZ

  66. Hope Solution Organization Incorporated

    EIN 043792474 · Headquarters: Baltimore, MD, US · Unknown & Unclassified · Latest available filing year: 2009 · Primary form: IRS Form 990-N

  67. Hope-2-u Community Development Inc

    EIN 352237448 · Headquarters: SPRINGDALE, MD, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  68. Horace Dawson Foundation

    EIN 366059767 · Headquarters: ROCKVILLE, MD, USA · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-PF

  69. Horological Tool Ch 173 Nawcc

    EIN 342064748 · Headquarters: Annapolis, MD, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  70. Horse Hugs for Heroes Incorporated

    EIN 455616144 · Headquarters: Laurel, MD, US · Unknown & Unclassified · Latest available filing year: 2021 · Primary form: IRS Form 990-N

  71. Hosanna Community House Inc

    EIN 521672867 · Headquarters: CHURCHVILLE, MD, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990

  72. Hospice for Children Inc

    EIN 874095664 · Headquarters: LUTHERVILLE, MD, USA · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990

  73. Hospice of the Chesapeake

    EIN 521181448 · Headquarters: Pasadena, MD, US · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990

  74. Hospice of the Chesapeake Foundation Inc

    EIN 521457419 · Headquarters: PASADENA, MD, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990

  75. Hospit Art Inc

    EIN 237102090 · Headquarters: Randallstown, MD, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  76. Hospitality Partners Employee Benefit Trust Fund

    EIN 526527433 · Headquarters: BETHESDA, MD, USA · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990

  77. Hotel & Restaurant Employees Local 25 & Hotel Association

    EIN 366686313 · Headquarters: SPARKS, MD, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990

  78. Hotel Electronic Distribution Network Association

    EIN 411704695 · Headquarters: FOREST HILL, MD, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990

  79. House of Divine Guidance Incorporation

    EIN 462694648 · Headquarters: Silver Spring, MD, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  80. House of Vibez Incorporated

    EIN 934400509 · Headquarters: Upper Marlboro, MD, US · Unknown & Unclassified · Latest available filing year: 2023 · Primary form: IRS Form 990-N

  81. House4sprouts Corporation

    EIN 863970382 · Headquarters: ELLICOTT CITY, MD, US · Unknown & Unclassified · Latest available filing year: 2022 · Primary form: IRS Form 990-N

  82. How Inc

    EIN 853864493 · Headquarters: Baltimore, MD, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  83. Howard & Martha Head Foundation Inc

    EIN 521268755 · Headquarters: BALTIMORE, MD, USA · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-PF

  84. Howard a Kelly Gynecologic and Obstetric Society

    EIN 521792554 · Headquarters: Baltimore, MD, US · Unknown & Unclassified · Latest available filing year: 2020 · Primary form: IRS Form 990-N

  85. Howard Community College Faculty Association

    EIN 412148350 · Headquarters: Columbia, MD, US · Unknown & Unclassified · Latest available filing year: 2014 · Primary form: IRS Form 990-N

  86. Howard County 4H Livestock Sale

    EIN 521322096 · Headquarters: CLARKSVILLE, MD, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990

  87. Howard County Association of Realtors Inc

    EIN 520798079 · Headquarters: COLUMBIA, MD, USA · Unknown & Unclassified · Latest available filing year: 2023 · Primary form: IRS Form 990

  88. Howard County Bar Association

    EIN 521645405 · Headquarters: Ellicott City, MD, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-EZ

  89. Howard County Chamber of Commerce

    EIN 237046430 · Headquarters: COLUMBIA, MD, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990

  90. Howard County Chinese-American Community Ctr Inc

    EIN 850730496 · Headquarters: Ellicott City, MD, USA · Unknown & Unclassified · Latest available filing year: 2021 · Primary form: IRS Form 990-EZ

  91. Howard County Citizens Association

    EIN 831504738 · Headquarters: Columbia, MD, US · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-N

  92. Howard County Cyclists Inc

    EIN 814934785 · Headquarters: WEST FRIENDSHIP, MD, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  93. Howard County Education Association

    EIN 520939793 · Headquarters: ELLICOTT CITY, MD, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990

  94. Howard County Family Child Care Association

    EIN 851912343 · Headquarters: Columbia, MD, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  95. Howard County Ffa Alumni and Supporters

    EIN 392507915 · Headquarters: Woodbine, MD, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  96. Howard County Genealogical Society

    EIN 521081256 · Headquarters: a, MD, US · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-N

  97. Howard County Historical Society Inc

    EIN 526056320 · Headquarters: Ellicott City, MD, USA · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990

  98. Howard County Iron Bridge Hounds Inc

    EIN 521414237 · Headquarters: MOUNT AIRY, MD, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990

  99. Howard County Pickleball Association Inc

    EIN 813387993 · Headquarters: Simpsonville, MD, USA · Unknown & Unclassified · Latest available filing year: 2023 · Primary form: IRS Form 990-EZ

  100. Howard County Tourism Council Inc

    EIN 521222056 · Headquarters: ELLICOTT CITY, MD, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990

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