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. Auctioneers Association of Md Inc

    EIN 521954309 · Headquarters: FREDERICK, MD, USA · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-EZ

  2. Aum Center Inc

    EIN 237181971 · Headquarters: Baltimore, MD, US · Unknown & Unclassified · Latest available filing year: 2023 · Primary form: IRS Form 990-N

  3. Aunty Ayos Girls Comprehensive Secondary School Lagos Old Girls

    EIN 842753237 · Headquarters: SILVER SPRING, MD, US · Unknown & Unclassified · Latest available filing year: 2022 · Primary form: IRS Form 990-N

  4. Aurora Latina Executive Network

    EIN 933548272 · Headquarters: BETHESDA, MD, US · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-N

  5. Austin Peay State University Student Chapter

    EIN 261538034 · Headquarters: Bethesda, MD, US · Unknown & Unclassified · Latest available filing year: 2023 · Primary form: IRS Form 990-N

  6. Autism Society of America

    EIN 521949026 · Headquarters: Buckeystown, MD, US · Unknown & Unclassified · Latest available filing year: 2020 · Primary form: IRS Form 990-N

  7. Autism Society of America Inc

    EIN 521020149 · Headquarters: ROCKVILLE, MD, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990

  8. Automotive Warehouse Distributors Association Inc

    EIN 446011844 · Headquarters: BETHESDA, MD, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990

  9. Auxiliary of the Md Enlisted Association of the National Guard

    EIN 471812194 · Headquarters: Edgewood, MD, US · Unknown & Unclassified · Latest available filing year: 2017 · Primary form: IRS Form 990-N

  10. Auxiliary of the Memorial Hospital at Easton Maryland Inc

    EIN 526046255 · Headquarters: EASTON, MD, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990

  11. Auxiliary of the Middletown Volunteer Fire Co Inc

    EIN 521339524 · Headquarters: MIDDLETOWN, MD, US · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-N

  12. Auxiliary of the Thomas B Finan Center Inc

    EIN 521142727 · Headquarters: Cumberland, MD, US · Unknown & Unclassified · Latest available filing year: 2019 · Primary form: IRS Form 990-N

  13. Auxiliary to the Medico Chirurgical Society of Washington Dc Inc

    EIN 526057361 · Headquarters: ASHTON, MD, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  14. Auxiliary to the National Medical Association Inc

    EIN 521124269 · Headquarters: Silver Spring, MD, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-EZ

  15. Avalon Shores Civic Association

    EIN 521052019 · Headquarters: Shady Side, MD, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  16. Aviation Without Border USA

    EIN 843076188 · Headquarters: Bethesda, MD, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  17. Avondale Park Apartments Inc

    EIN 522028130 · Headquarters: Rockville, MD, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990

  18. AW Baldwin Charitable Foundation Inc

    EIN 237004131 · Headquarters: Ashton, MD, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-PF

  19. Aw Industries Temporary Disability Benefit Trust

    EIN 521275628 · Headquarters: LANDOVER, MD, US · Unknown & Unclassified · Latest available filing year: 2022 · Primary form: IRS Form 990-N

  20. Awaction Network Inc

    EIN 832284272 · Headquarters: Randallstown, MD, US · Unknown & Unclassified · Latest available filing year: 2023 · Primary form: IRS Form 990-N

  21. Awo Foundation Inc

    EIN 932310217 · Headquarters: GREENBELT, MD, USA · Unknown & Unclassified · Latest available filing year: 2023 · Primary form: IRS Form 990-PF

  22. Ayers Foundation for Hope Inc

    EIN 813329480 · Headquarters: Rosedale, MD, US · Unknown & Unclassified · Latest available filing year: 2021 · Primary form: IRS Form 990-N

  23. Azena Foundation Corporation

    EIN 833314340 · Headquarters: BLADENSBURG, MD, US · Unknown & Unclassified · Latest available filing year: 2020 · Primary form: IRS Form 990-N

  24. Aztlan Health Corporation

    EIN 834544886 · Headquarters: SILVER SPRING, MD, USA · Unknown & Unclassified · Latest available filing year: 2019 · Primary form: IRS Form 990-EZ

  25. Azuels Community Connections

    EIN 863934685 · Headquarters: Dundalk, MD, US · Unknown & Unclassified · Latest available filing year: 2023 · Primary form: IRS Form 990-N

  26. B-52 Stratofortress Association

    EIN 311427926 · Headquarters: Elliott, MD, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  27. Baba Lakhi Shah Vanjara USA Sikh So Ciety

    EIN 394784766 · Headquarters: ELKRIDGE, MD, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  28. Babe Ruth Birthplace & Museum

    EIN 520973067 · Headquarters: Baltimore, MD, US · Unknown & Unclassified · Latest available filing year: 2023 · Primary form: IRS Form 990

  29. Babeaffe Corp

    EIN 471196044 · Headquarters: SILVER SPRING, MD, US · Unknown & Unclassified · Latest available filing year: 2013 · Primary form: IRS Form 990-N

  30. Bachelor-Benedict Club Inc % Tamer McGuire

    EIN 832062034 · Headquarters: Accokeek, MD, USA · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-EZ

  31. Baden Volunteer Fire Department Inc

    EIN 521262621 · Headquarters: BRANDYWINE, MD, USA · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990

  32. Badohs Foundation Inc

    EIN 863690169 · Headquarters: Silver Spring, MD, USA · Unknown & Unclassified · Latest available filing year: 2022 · Primary form: IRS Form 990-EZ

  33. Bafou Diaspora Network Corporation

    EIN 464966449 · Headquarters: Mount Airy, MD, US · Unknown & Unclassified · Latest available filing year: 2014 · Primary form: IRS Form 990-N

  34. Bagnoun USA Corp

    EIN 862892950 · Headquarters: Waldorf, MD, US · Unknown & Unclassified · Latest available filing year: 2021 · Primary form: IRS Form 990-N

  35. Bags for Hope Inc

    EIN 831100009 · Headquarters: ellicott city, MD, US · Unknown & Unclassified · Latest available filing year: 2018 · Primary form: IRS Form 990-N

  36. Bakassa USA Corporation

    EIN 473275246 · Headquarters: LAUREL, MD, US · Unknown & Unclassified · Latest available filing year: 2017 · Primary form: IRS Form 990-N

  37. Baker Cemetery Company of Harford County

    EIN 520234742 · Headquarters: Aberdeen, MD, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  38. Bakery and Confectionery Union and Industry International Health Benefits and Pension Funds

    EIN 530227042 · Headquarters: KENSINGTON, MD, US · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990

  39. Bakery Confectionery Tobacco Workers and Grain Millers Intl Uni

    EIN 520392505 · Headquarters: Baltimore, MD, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990

  40. Bakery Confectionery Tobacco Workers and Grain Millers Intl Uni

    EIN 530031270 · Headquarters: LANHAM, MD, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990

  41. Balco Pleasure Club Inc

    EIN 520815569 · Headquarters: Fort Howard, MD, USA · Unknown & Unclassified · Latest available filing year: 2023 · Primary form: IRS Form 990-EZ

  42. Baldwin Hills Swim Club Inc

    EIN 520895733 · Headquarters: Crownsville, MD, USA · Unknown & Unclassified · Latest available filing year: 2023 · Primary form: IRS Form 990-EZ

  43. Ball State University Student Chapter

    EIN 521964149 · Headquarters: Bethesda, MD, US · Unknown & Unclassified · Latest available filing year: 2023 · Primary form: IRS Form 990-N

  44. Ballenger Community Civic Association

    EIN 521170832 · Headquarters: Frederick, MD, US · Unknown & Unclassified · Latest available filing year: 2022 · Primary form: IRS Form 990-N

  45. Ballpark Square Rea Manager Inc

    EIN 474006558 · Headquarters: Bethesda, MD, US · Unknown & Unclassified · Latest available filing year: 2019 · Primary form: IRS Form 990-N

  46. Baltibrew

    EIN 800945915 · Headquarters: Lutherville, MD, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  47. Baltimore & Howard Co Rcba

    EIN 272078889 · Headquarters: Ellicott City, MD, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  48. Baltimore & Ohio Railroad Historical Society

    EIN 232146405 · Headquarters: Eldersburg, MD, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990

  49. Baltimore 7-11 Franchise Owners Assoc

    EIN 521356391 · Headquarters: Parkville, MD, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-EZ

  50. Baltimore Architecture Foundation Inc

    EIN 521453400 · Headquarters: BALTIMORE, MD, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-EZ

  51. Baltimore Bead Society Inc

    EIN 521849583 · Headquarters: Ellicott City, MD, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  52. Baltimore Bhutanese Committe

    EIN 453036217 · Headquarters: Baltimore, MD, US · Unknown & Unclassified · Latest available filing year: 2015 · Primary form: IRS Form 990-N

  53. Baltimore Bicycling Club

    EIN 521314330 · Headquarters: Catonsville, MD, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990

  54. Baltimore Bikur Cholim Inc

    EIN 521344945 · Headquarters: BALTIMORE, MD, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990

  55. Baltimore Board of Officials for Wo

    EIN 521101026 · Headquarters: Sykesville, MD, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-EZ

  56. Baltimore Branch 42 National Association of Postal Supervisors

    EIN 521336918 · Headquarters: Baltimore, MD, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  57. Baltimore Branch 6 Fleet Reserve Association

    EIN 383787559 · Headquarters: Baltimore, MD, US · Unknown & Unclassified · Latest available filing year: 2011 · Primary form: IRS Form 990-N

  58. Baltimore Camera Club Inc

    EIN 526054897 · Headquarters: Owings Mills, MD, US · Unknown & Unclassified · Latest available filing year: 2020 · Primary form: IRS Form 990-N

  59. Baltimore Chapter N R H S Incorporated

    EIN 237019832 · Headquarters: Parkville, MD, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  60. Baltimore Chapter of the American G Uild of Organis

    EIN 236444664 · Headquarters: TIMONIUM, MD, US · Unknown & Unclassified · Latest available filing year: 2020 · Primary form: IRS Form 990-N

  61. Baltimore Chapter of the American Institute of Architects Inc

    EIN 520655154 · Headquarters: BALTIMORE, MD, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990

  62. Baltimore Chapter of the Links Inc

    EIN 520785117 · Headquarters: BALTIMORE, MD, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-EZ

  63. Baltimore Chapter of the Society of Financial Service Professionals In

    EIN 526054306 · Headquarters: Hunt Valley, MD, US · Unknown & Unclassified · Latest available filing year: 2021 · Primary form: IRS Form 990-N

  64. Baltimore Chapter the Society Incorporated

    EIN 384098627 · Headquarters: Pikesville, MD, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  65. Baltimore Childrens Choir Inc

    EIN 264158815 · Headquarters: Baltimore, MD, US · Unknown & Unclassified · Latest available filing year: 2012 · Primary form: IRS Form 990-N

  66. Baltimore City Chamber of Commerce

    EIN 521809161 · Headquarters: Baltimore, MD, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-EZ

  67. Baltimore City College Alumni Association

    EIN 521034509 · Headquarters: Baltimore, MD, USA · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990

  68. Baltimore City Dental Society

    EIN 526054521 · Headquarters: Baltimore, MD, US · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-N

  69. Baltimore City Extension Advisory Board Inc

    EIN 521351814 · Headquarters: Baltimore, MD, US · Unknown & Unclassified · Latest available filing year: 2021 · Primary form: IRS Form 990-N

  70. Baltimore City Fire Fighters Riders Group

    EIN 271435622 · Headquarters: Lutherville, MD, US · Unknown & Unclassified · Latest available filing year: 2017 · Primary form: IRS Form 990-N

  71. Baltimore City Lodge No 57 Ioof

    EIN 520738505 · Headquarters: ELLICOTT CITY, MD, USA · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990

  72. Baltimore City Medical Society Foundation

    EIN 521483323 · Headquarters: BALTIMORE, MD, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  73. Baltimore City Medical Society Inc

    EIN 521750339 · Headquarters: BALTIMORE, MD, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-EZ

  74. Baltimore City Retired Fire Officer and Fire

    EIN 237079254 · Headquarters: Bel Air, MD, USA · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-EZ

  75. Baltimore City School Volunteer Association Corporation

    EIN 413781580 · Headquarters: Baltimore, MD, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  76. Baltimore Co Professional Firefighters Assoc 1311

    EIN 520783592 · Headquarters: Cockeysville, MD, USA · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990

  77. Baltimore Colts Cheerleaders Alumni Association Inc

    EIN 821770753 · Headquarters: Pasadena, MD, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  78. Baltimore Community Kollel for Mechanchim Inc

    EIN 521645545 · Headquarters: Baltimore, MD, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-EZ

  79. Baltimore Community Toolbank Inc

    EIN 454507134 · Headquarters: BALTIMORE, MD, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990

  80. Baltimore Country Club

    EIN 520236190 · Headquarters: Baltimore, MD, US · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990

  81. Baltimore County 4-H Marksmanship Club

    EIN 473719314 · Headquarters: Cockeysville, MD, US · Unknown & Unclassified · Latest available filing year: 2014 · Primary form: IRS Form 990-N

  82. Baltimore County Bar Association Inc

    EIN 521071500 · Headquarters: TOWSON, MD, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990

  83. Baltimore County Bar Foundation Inc

    EIN 521366952 · Headquarters: Towson, MD, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  84. Baltimore County Democratic Women Inc

    EIN 392596386 · Headquarters: Baltimore, MD, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  85. Baltimore County Dental Association

    EIN 527061327 · Headquarters: TIMONIUM, MD, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  86. Baltimore County Deputy Sheriffs Association Inc

    EIN 521679514 · Headquarters: baltimore, MD, US · Unknown & Unclassified · Latest available filing year: 2012 · Primary form: IRS Form 990-N

  87. Baltimore County Farm Bureau Inc

    EIN 520635105 · Headquarters: COCKEYSVILLE, MD, USA · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990

  88. Baltimore County Game and Fish Protective Association Inc

    EIN 526115122 · Headquarters: PARKVILLE, MD, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990

  89. Baltimore County Genealogical Society Inc

    EIN 521200205 · Headquarters: Baltimore, MD, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  90. Baltimore County Gymnastics Parents Association Inc

    EIN 521781865 · Headquarters: Middle River, MD, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  91. Baltimore County Historical Society Inc

    EIN 526048476 · Headquarters: Cockeysville, MD, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990

  92. Baltimore County Kennel Club Inc

    EIN 526052463 · Headquarters: Nottingham, MD, USA · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-EZ

  93. Baltimore County Licensed Beverage Association Inc

    EIN 521104307 · Headquarters: BALTIMORE, MD, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990

  94. Baltimore County Lodge #4 of the Fraternal Order of Police Inc

    EIN 237140447 · Headquarters: PARKVILLE, MD, USA · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990

  95. Baltimore County Medical Association

    EIN 526019408 · Headquarters: BALTIMORE, MD, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990

  96. Baltimore County Mobile & Manufactured Owners Asso

    EIN 521790782 · Headquarters: Middle River, MD, USA · Unknown & Unclassified · Latest available filing year: 2013 · Primary form: IRS Form 990-EZ

  97. Baltimore County Police Foundation

    EIN 521334352 · Headquarters: BALTIMORE, MD, USA · Unknown & Unclassified · Latest available filing year: 2023 · Primary form: IRS Form 990

  98. Baltimore County Progressive Democrats

    EIN 824851615 · Headquarters: White Hall, MD, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  99. Baltimore County Retired Fire Officers and Fire Fighters Assn

    EIN 237413795 · Headquarters: Towson, MD, US · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-N

  100. Baltimore County Retired School Personnel Association Inc

    EIN 237449290 · Headquarters: Nottingham, MD, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

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