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. International Alliance Theatrical Stage Employees & Moving Picture

    EIN 520422860 · Headquarters: Westminster, MD, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  2. International Alliance Theatrical Stage Employees & Moving Picture

    EIN 521034943 · Headquarters: RANDALLSTOWN, MD, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  3. International Alliance Theatrical Stage Employees & Moving Picture

    EIN 561848161 · Headquarters: Silver Spring, MD, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  4. International Alliance Theatrical Stage Employees & Moving Picture 19 Baltimore

    EIN 526054745 · Headquarters: BALTIMORE, MD, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990

  5. International Allied Printing Trades Association

    EIN 530242298 · Headquarters: RIVERDALE, MD, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  6. International Aloe Science Council Inc

    EIN 521264771 · Headquarters: Silver Spring, MD, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990

  7. International Anaplastology Association

    EIN 943150631 · Headquarters: Sykesville, MD, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-EZ

  8. International Assoc of Fire Fighter 3666 Local Frederick Co Maryland

    EIN 912005056 · Headquarters: FREDERICK, MD, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990

  9. International Assoc of Firefighters

    EIN 526068597 · Headquarters: FUNKSTOWN, MD, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990

  10. International Assoc of Firefighters a0019 Profffmd

    EIN 237080384 · Headquarters: CATONSVILLE, MD, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990

  11. International Association for Missions

    EIN 760847662 · Headquarters: Betheesda, MD, US · Unknown & Unclassified · Latest available filing year: 2012 · Primary form: IRS Form 990-N

  12. International Association of Auto Theft Investigators

    EIN 562196242 · Headquarters: Westminster, MD, US · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-N

  13. International Association of Black Triathletes

    EIN 473037948 · Headquarters: Middle River, MD, US · Unknown & Unclassified · Latest available filing year: 2014 · Primary form: IRS Form 990-N

  14. International Association of Bridge Structural Iron Workers Local 568

    EIN 520313886 · Headquarters: CUMBERLAND, MD, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990

  15. International Association of Electrical Inspectors

    EIN 237034563 · Headquarters: KINGSVILLE, MD, US · Unknown & Unclassified · Latest available filing year: 2022 · Primary form: IRS Form 990-N

  16. International Association of Electrical Inspectors

    EIN 522092888 · Headquarters: GREENBELT, MD, US · Unknown & Unclassified · Latest available filing year: 2022 · Primary form: IRS Form 990-N

  17. International Association of Fire Fighters

    EIN 237082582 · Headquarters: Annapolis, MD, USA · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-EZ

  18. International Association of Fire Fighters

    EIN 510649948 · Headquarters: White Plains, MD, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  19. International Association of Fire Fighters

    EIN 521793496 · Headquarters: Aberdeen Proving Groun, MD, US · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-N

  20. International Association of Fire Fighters

    EIN 521902210 · Headquarters: Fort Meade, MD, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  21. International Association of Fire Fighters

    EIN 843959910 · Headquarters: Berlin, MD, US · Unknown & Unclassified · Latest available filing year: 2023 · Primary form: IRS Form 990-N

  22. International Association of Fire Fighters

    EIN 853375334 · Headquarters: TRAPPE, MD, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  23. International Association of Fire Fighters

    EIN 922774682 · Headquarters: Cumberland, MD, US · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-N

  24. International Association of Fire Fighters L1619 Prince Georges Cty

    EIN 526068596 · Headquarters: BOWIE, MD, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990

  25. International Association of Fire Fighters L2000 Howard County

    EIN 237137072 · Headquarters: COLUMBIA, MD, USA · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990

  26. International Association of Fire L0734 Baltimore

    EIN 526039653 · Headquarters: BALTIMORE, MD, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990

  27. International Association of Forensic Nurses

    EIN 113840453 · Headquarters: Elkridge, MD, US · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-N

  28. International Association of Forensic Nurses

    EIN 260835644 · Headquarters: Elkridge, MD, US · Unknown & Unclassified · Latest available filing year: 2023 · Primary form: IRS Form 990-N

  29. International Association of Forensic Nurses

    EIN 264700915 · Headquarters: Elkridge, MD, US · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-N

  30. International Association of Forensic Nurses

    EIN 800814336 · Headquarters: Elkridge, MD, US · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-N

  31. International Association of Forensic Nurses

    EIN 824838463 · Headquarters: elkridge, MD, US · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-N

  32. International Association of Forensic Nurses

    EIN 934068761 · Headquarters: Elkridge, MD, US · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-N

  33. International Association of Heat & Fros Insulators & Allied Workers 57 Awia

    EIN 420884128 · Headquarters: LANHAM, MD, USA · Unknown & Unclassified · Latest available filing year: 2023 · Primary form: IRS Form 990-EZ

  34. International Association of Lesbian and Gay Judges

    EIN 954443389 · Headquarters: Baltimore, MD, US · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-N

  35. International Association of Lions

    EIN 237132482 · Headquarters: Brunswick, MD, US · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-N

  36. International Association of Lions

    EIN 520688535 · Headquarters: Manchester, MD, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-EZ

  37. International Association of Lions

    EIN 526055593 · Headquarters: TRAPPE, MD, US · Unknown & Unclassified · Latest available filing year: 2020 · Primary form: IRS Form 990-N

  38. International Association of Lions

    EIN 526062692 · Headquarters: LEONARDTOWN, MD, US · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-N

  39. International Association of Lions 8795 Salisbury

    EIN 526066374 · Headquarters: SALISBURY, MD, US · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-N

  40. International Association of Lions Club

    EIN 522363403 · Headquarters: Eden, MD, US · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-N

  41. International Association of Lions Club

    EIN 526066384 · Headquarters: Snow Hill, MD, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  42. International Association of Lions Club

    EIN 994505439 · Headquarters: Bethesda, MD, US · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-N

  43. International Association of Lions Clubs

    EIN 200206297 · Headquarters: Aberdeen, MD, US · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-N

  44. International Association of Lions Clubs

    EIN 202002605 · Headquarters: WESTMINSTER, MD, US · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-N

  45. International Association of Lions Clubs

    EIN 205086505 · Headquarters: Catonsville, MD, US · Unknown & Unclassified · Latest available filing year: 2021 · Primary form: IRS Form 990-N

  46. International Association of Lions Clubs

    EIN 208247125 · Headquarters: Mount Airy, MD, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  47. International Association of Lions Clubs

    EIN 237050709 · Headquarters: Mt Rainier, MD, US · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-N

  48. International Association of Lions Clubs

    EIN 237050710 · Headquarters: Germantown, MD, US · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-N

  49. International Association of Lions Clubs

    EIN 237062150 · Headquarters: Fallston, MD, US · Unknown & Unclassified · Latest available filing year: 2019 · Primary form: IRS Form 990-N

  50. International Association of Lions Clubs

    EIN 237205440 · Headquarters: OLNEY, MD, US · Unknown & Unclassified · Latest available filing year: 2020 · Primary form: IRS Form 990-N

  51. International Association of Lions Clubs

    EIN 237219036 · Headquarters: EASTON, MD, US · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-N

  52. International Association of Lions Clubs

    EIN 237257785 · Headquarters: Eden, MD, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  53. International Association of Lions Clubs

    EIN 237309781 · Headquarters: Cecilton, MD, US · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-N

  54. International Association of Lions Clubs

    EIN 237330296 · Headquarters: Jarrettsville, MD, US · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-N

  55. International Association of Lions Clubs

    EIN 237335613 · Headquarters: Still Pond, MD, US · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-N

  56. International Association of Lions Clubs

    EIN 237391659 · Headquarters: Hollywood, MD, US · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-N

  57. International Association of Lions Clubs

    EIN 237414856 · Headquarters: FREDERICK, MD, US · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-N

  58. International Association of Lions Clubs

    EIN 270029495 · Headquarters: CRISFIELD, MD, US · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-N

  59. International Association of Lions Clubs

    EIN 460825236 · Headquarters: Luke, MD, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  60. International Association of Lions Clubs

    EIN 520631841 · Headquarters: Rising Sun, MD, US · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-N

  61. International Association of Lions Clubs

    EIN 520800079 · Headquarters: Mount Airy, MD, US · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-N

  62. International Association of Lions Clubs

    EIN 520941332 · Headquarters: PASADENA, MD, US · Unknown & Unclassified · Latest available filing year: 2020 · Primary form: IRS Form 990-N

  63. International Association of Lions Clubs

    EIN 521147996 · Headquarters: SILVER SPRING, MD, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  64. International Association of Lions Clubs

    EIN 521151659 · Headquarters: FEDERALSBURG, MD, US · Unknown & Unclassified · Latest available filing year: 2019 · Primary form: IRS Form 990-N

  65. International Association of Lions Clubs

    EIN 521175370 · Headquarters: Thurmont, MD, US · Unknown & Unclassified · Latest available filing year: 2023 · Primary form: IRS Form 990-N

  66. International Association of Lions Clubs

    EIN 521183100 · Headquarters: Federalsburg, MD, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-EZ

  67. International Association of Lions Clubs

    EIN 521235161 · Headquarters: Westminster, MD, US · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-N

  68. International Association of Lions Clubs

    EIN 521246558 · Headquarters: CHESAPEAKE CITY, MD, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  69. International Association of Lions Clubs

    EIN 521324773 · Headquarters: WOODSBORO, MD, US · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-N

  70. International Association of Lions Clubs

    EIN 521379242 · Headquarters: Cumberland, MD, US · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-N

  71. International Association of Lions Clubs

    EIN 521541810 · Headquarters: Thurmont, MD, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  72. International Association of Lions Clubs

    EIN 521542669 · Headquarters: KEYMAR, MD, US · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-N

  73. International Association of Lions Clubs

    EIN 521566136 · Headquarters: Mount Savage, MD, US · Unknown & Unclassified · Latest available filing year: 2020 · Primary form: IRS Form 990-N

  74. International Association of Lions Clubs

    EIN 521709042 · Headquarters: MIDDLETOWN, MD, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  75. International Association of Lions Clubs

    EIN 521734633 · Headquarters: Marion Station, MD, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  76. International Association of Lions Clubs

    EIN 521824330 · Headquarters: Chestertown, MD, US · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-N

  77. International Association of Lions Clubs

    EIN 521933375 · Headquarters: Germantown, MD, US · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-N

  78. International Association of Lions Clubs

    EIN 522211816 · Headquarters: CONOWINGO, MD, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-EZ

  79. International Association of Lions Clubs

    EIN 526047502 · Headquarters: Rockville, MD, US · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-N

  80. International Association of Lions Clubs

    EIN 526055234 · Headquarters: Damascus, MD, US · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-N

  81. International Association of Lions Clubs

    EIN 526055506 · Headquarters: CAMBRIDGE, MD, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  82. International Association of Lions Clubs

    EIN 526055649 · Headquarters: Denton, MD, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  83. International Association of Lions Clubs

    EIN 526055710 · Headquarters: Catonsville, MD, US · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-N

  84. International Association of Lions Clubs

    EIN 526056500 · Headquarters: GLENN DALE, MD, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  85. International Association of Lions Clubs

    EIN 526059602 · Headquarters: Poolesville, MD, US · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-N

  86. International Association of Lions Clubs

    EIN 526062671 · Headquarters: Upper Marlboro, MD, US · Unknown & Unclassified · Latest available filing year: 2022 · Primary form: IRS Form 990-N

  87. International Association of Lions Clubs

    EIN 526062690 · Headquarters: LAYTONSVILLE, MD, US · Unknown & Unclassified · Latest available filing year: 2023 · Primary form: IRS Form 990-N

  88. International Association of Lions Clubs

    EIN 526063256 · Headquarters: GREENBELT, MD, US · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-N

  89. International Association of Lions Clubs

    EIN 526066267 · Headquarters: Aberdeen, MD, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  90. International Association of Lions Clubs

    EIN 526066272 · Headquarters: Beltsville, MD, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  91. International Association of Lions Clubs

    EIN 526066273 · Headquarters: Bowie, MD, US · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-N

  92. International Association of Lions Clubs

    EIN 526066293 · Headquarters: Cumberland, MD, US · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-N

  93. International Association of Lions Clubs

    EIN 526066299 · Headquarters: Edgewood, MD, US · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-N

  94. International Association of Lions Clubs

    EIN 526066301 · Headquarters: Laurel, MD, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990

  95. International Association of Lions Clubs

    EIN 526066302 · Headquarters: EMMITSBURG, MD, US · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-N

  96. International Association of Lions Clubs

    EIN 526066305 · Headquarters: Frostburg, MD, US · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-N

  97. International Association of Lions Clubs

    EIN 526066311 · Headquarters: Upper Marlboro, MD, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  98. International Association of Lions Clubs

    EIN 526066316 · Headquarters: Grantsville, MD, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-EZ

  99. International Association of Lions Clubs

    EIN 526066317 · Headquarters: Greensboro, MD, US · Unknown & Unclassified · Latest available filing year: 2019 · Primary form: IRS Form 990-N

  100. International Association of Lions Clubs

    EIN 526066319 · Headquarters: Hagerstown, MD, US · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-N

First page and all pages