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. Knights of Columbus

    EIN 465477448 · Headquarters: Frederick, MD, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  2. Knights of Columbus

    EIN 472055340 · Headquarters: baltimore, MD, US · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-N

  3. Knights of Columbus

    EIN 472450883 · Headquarters: Frederick, MD, US · Unknown & Unclassified · Latest available filing year: 2019 · Primary form: IRS Form 990-N

  4. Knights of Columbus

    EIN 520285855 · Headquarters: Cumberland, MD, US · Unknown & Unclassified · Latest available filing year: 2020 · Primary form: IRS Form 990-N

  5. Knights of Columbus

    EIN 520568123 · Headquarters: FROSTBURG, MD, US · Unknown & Unclassified · Latest available filing year: 2023 · Primary form: IRS Form 990-N

  6. Knights of Columbus

    EIN 520781662 · Headquarters: Randallstown, MD, US · Unknown & Unclassified · Latest available filing year: 2022 · Primary form: IRS Form 990-N

  7. Knights of Columbus

    EIN 520797436 · Headquarters: Baltimore, MD, US · Unknown & Unclassified · Latest available filing year: 2022 · Primary form: IRS Form 990-N

  8. Knights of Columbus

    EIN 520911588 · Headquarters: Bowie, MD, USA · Unknown & Unclassified · Latest available filing year: 2023 · Primary form: IRS Form 990

  9. Knights of Columbus

    EIN 520946780 · Headquarters: Baltimore, MD, US · Unknown & Unclassified · Latest available filing year: 2021 · Primary form: IRS Form 990-N

  10. Knights of Columbus

    EIN 520970303 · Headquarters: Catonsville, MD, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  11. Knights of Columbus

    EIN 520980698 · Headquarters: Waldorf, MD, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  12. Knights of Columbus

    EIN 521069881 · Headquarters: OLNEY, MD, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  13. Knights of Columbus

    EIN 521122613 · Headquarters: Glen Burnie, MD, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  14. Knights of Columbus

    EIN 521128928 · Headquarters: Barnesville, MD, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  15. Knights of Columbus

    EIN 521164167 · Headquarters: Sykesville, MD, US · Unknown & Unclassified · Latest available filing year: 2019 · Primary form: IRS Form 990-N

  16. Knights of Columbus

    EIN 521191492 · Headquarters: Columbia, MD, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  17. Knights of Columbus

    EIN 521213174 · Headquarters: Salisbury, MD, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  18. Knights of Columbus

    EIN 521238258 · Headquarters: California, MD, US · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-N

  19. Knights of Columbus

    EIN 521298937 · Headquarters: CHURCHTON, MD, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  20. Knights of Columbus

    EIN 521332916 · Headquarters: SOLOMONS ISLAND, MD, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  21. Knights of Columbus

    EIN 521363923 · Headquarters: Denton, MD, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  22. Knights of Columbus

    EIN 521422756 · Headquarters: Hydes, MD, US · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-N

  23. Knights of Columbus

    EIN 521436022 · Headquarters: Hampstead, MD, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  24. Knights of Columbus

    EIN 521463375 · Headquarters: Upper Marlboro, MD, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  25. Knights of Columbus

    EIN 521503558 · Headquarters: Baltimore, MD, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  26. Knights of Columbus

    EIN 521562324 · Headquarters: Rockville, MD, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-EZ

  27. Knights of Columbus

    EIN 521603240 · Headquarters: Lexington Park, MD, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  28. Knights of Columbus

    EIN 521681676 · Headquarters: Bowie, MD, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  29. Knights of Columbus

    EIN 521687245 · Headquarters: PERRYVILLE, MD, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  30. Knights of Columbus

    EIN 521739653 · Headquarters: Baltimore, MD, US · Unknown & Unclassified · Latest available filing year: 2021 · Primary form: IRS Form 990-N

  31. Knights of Columbus

    EIN 521783116 · Headquarters: Baltimore, MD, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  32. Knights of Columbus

    EIN 521790473 · Headquarters: PASADENA, MD, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  33. Knights of Columbus

    EIN 521798794 · Headquarters: pasadena, MD, US · Unknown & Unclassified · Latest available filing year: 2020 · Primary form: IRS Form 990-N

  34. Knights of Columbus

    EIN 521801021 · Headquarters: Leonardtown, MD, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  35. Knights of Columbus

    EIN 521821785 · Headquarters: SILVER SPRING, MD, US · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-N

  36. Knights of Columbus

    EIN 521824852 · Headquarters: Damascus, MD, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  37. Knights of Columbus

    EIN 521835848 · Headquarters: Lanham, MD, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  38. Knights of Columbus

    EIN 521855414 · Headquarters: Severn, MD, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  39. Knights of Columbus

    EIN 521864176 · Headquarters: Barstow, MD, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  40. Knights of Columbus

    EIN 521872818 · Headquarters: Abingdon, MD, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  41. Knights of Columbus

    EIN 521902670 · Headquarters: Largo, MD, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  42. Knights of Columbus

    EIN 521916120 · Headquarters: Newburg, MD, US · Unknown & Unclassified · Latest available filing year: 2019 · Primary form: IRS Form 990-N

  43. Knights of Columbus

    EIN 521923385 · Headquarters: Fallston, MD, US · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-N

  44. Knights of Columbus

    EIN 521931727 · Headquarters: Taneytown, MD, US · Unknown & Unclassified · Latest available filing year: 2020 · Primary form: IRS Form 990-N

  45. Knights of Columbus

    EIN 521938269 · Headquarters: Rosedale, MD, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  46. Knights of Columbus

    EIN 521951029 · Headquarters: Pocomoke City, MD, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  47. Knights of Columbus

    EIN 521951632 · Headquarters: Middletown, MD, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  48. Knights of Columbus

    EIN 521957071 · Headquarters: Jefferson, MD, US · Unknown & Unclassified · Latest available filing year: 2021 · Primary form: IRS Form 990-N

  49. Knights of Columbus

    EIN 521967157 · Headquarters: Annapolis, MD, US · Unknown & Unclassified · Latest available filing year: 2021 · Primary form: IRS Form 990-N

  50. Knights of Columbus

    EIN 521985562 · Headquarters: Ijamsville, MD, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  51. Knights of Columbus

    EIN 521988998 · Headquarters: Silver Spring, MD, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  52. Knights of Columbus

    EIN 522005298 · Headquarters: Prince Frederick, MD, US · Unknown & Unclassified · Latest available filing year: 2022 · Primary form: IRS Form 990-N

  53. Knights of Columbus

    EIN 522006618 · Headquarters: Clarksville, MD, US · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-N

  54. Knights of Columbus

    EIN 522069064 · Headquarters: Montgomery Village, MD, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  55. Knights of Columbus

    EIN 522082606 · Headquarters: Pomfret, MD, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  56. Knights of Columbus

    EIN 522093461 · Headquarters: Thurmont, MD, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  57. Knights of Columbus

    EIN 522136542 · Headquarters: Walkersville, MD, US · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-N

  58. Knights of Columbus

    EIN 522172559 · Headquarters: Mount Airy, MD, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  59. Knights of Columbus

    EIN 526114706 · Headquarters: baltimore, MD, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  60. Knights of Columbus

    EIN 593798201 · Headquarters: Gaithersburg, MD, US · Unknown & Unclassified · Latest available filing year: 2021 · Primary form: IRS Form 990-N

  61. Knights of Columbus

    EIN 611904592 · Headquarters: Frederick, MD, US · Unknown & Unclassified · Latest available filing year: 2019 · Primary form: IRS Form 990-N

  62. Knights of Columbus

    EIN 813942824 · Headquarters: Fort Washington, MD, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  63. Knights of Columbus

    EIN 815374779 · Headquarters: SILVER SPRING, MD, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  64. Knights of Columbus

    EIN 815390044 · Headquarters: Baltimore, MD, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  65. Knights of Columbus

    EIN 820723267 · Headquarters: Hagerstown, MD, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  66. Knights of Columbus

    EIN 822676122 · Headquarters: Baltimore, MD, US · Unknown & Unclassified · Latest available filing year: 2019 · Primary form: IRS Form 990-N

  67. Knights of Columbus

    EIN 825144540 · Headquarters: Hyattsville, MD, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  68. Knights of Columbus

    EIN 825317261 · Headquarters: Accokeek, MD, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  69. Knights of Columbus

    EIN 825342017 · Headquarters: Chaptico, MD, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  70. Knights of Columbus

    EIN 833536790 · Headquarters: HYATTSVILLE, MD, US · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-N

  71. Knights of Columbus

    EIN 842327441 · Headquarters: FREDERICK, MD, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  72. Knights of Columbus

    EIN 882461323 · Headquarters: Millersville, MD, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  73. Knights of Columbus

    EIN 900369067 · Headquarters: Forest Hill, MD, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  74. Knights of Columbus

    EIN 900741387 · Headquarters: Great Mills, MD, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  75. Knights of Columbus

    EIN 900785653 · Headquarters: Parkton, MD, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  76. Knights of Columbus

    EIN 911995309 · Headquarters: MARYDEL, MD, US · Unknown & Unclassified · Latest available filing year: 2020 · Primary form: IRS Form 990-N

  77. Knights of Columbus

    EIN 912014295 · Headquarters: Fulton, MD, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  78. Knights of Columbus

    EIN 923681745 · Headquarters: BELTSVILLE, MD, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  79. Knights of Columbus

    EIN 923928188 · Headquarters: Columbia, MD, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  80. Knights of Columbus - 15541

    EIN 261932282 · Headquarters: Lutherville, MD, US · Unknown & Unclassified · Latest available filing year: 2010 · Primary form: IRS Form 990-N

  81. Knights of Columbus - Council #2274

    EIN 521115829 · Headquarters: PRESTON, MD, US · Unknown & Unclassified · Latest available filing year: 2023 · Primary form: IRS Form 990-N

  82. Knights of Columbus 1365 Pangborn Council

    EIN 237546811 · Headquarters: HAGERSTOWN, MD, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990

  83. Knights of Columbus 1384

    EIN 521657566 · Headquarters: ANNAPOLIS, MD, USA · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990

  84. Knights of Columbus Assembly #2454

    EIN 912128958 · Headquarters: Ocean City, MD, US · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-N

  85. Knights of Columbus Council #1470

    EIN 237209415 · Headquarters: LEONARDTOWN, MD, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990

  86. Knights of Columbus Council #2169 Father Rosensteel Council

    EIN 237107474 · Headquarters: Silver Spring, MD, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-EZ

  87. Knights of Columbus Council #9053

    EIN 521473981 · Headquarters: Ocean City, MD, USA · Unknown & Unclassified · Latest available filing year: 2023 · Primary form: IRS Form 990-EZ

  88. Knights of Columbus Dundalk Corporation

    EIN 520897810 · Headquarters: Dundalk, MD, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990

  89. Knights of Columbus Holy Trinity Council 3413

    EIN 237107490 · Headquarters: Severna Park, MD, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  90. Knights of Columbus St Michael's Council 2065

    EIN 237542495 · Headquarters: RIDGE, MD, USA · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-EZ

  91. Knights of Columubs

    EIN 521868457 · Headquarters: Rock Hall, MD, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  92. Knights of Peter Claver

    EIN 371647217 · Headquarters: BALTIMORE, MD, US · Unknown & Unclassified · Latest available filing year: 2022 · Primary form: IRS Form 990-N

  93. Knights of Peter Claver

    EIN 812377415 · Headquarters: Capitol Heights, MD, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  94. Knights of Peter Claver

    EIN 920877840 · Headquarters: BALTIMORE, MD, US · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-N

  95. Knights of Peter Claver

    EIN 921835828 · Headquarters: Fort Washington, MD, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  96. Knights of Saint Joseph

    EIN 853451372 · Headquarters: Bethesda, MD, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  97. Knights of St John Ascension Commandery 283 Inc

    EIN 237589832 · Headquarters: Bowie, MD, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  98. Knights of St John Ladies Auxiliary

    EIN 010895873 · Headquarters: Clinton, MD, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  99. Knights of St John Ladies Auxiliary

    EIN 237526627 · Headquarters: TEMPLE HILLS, MD, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  100. Knights of St John Ladies Auxiliary

    EIN 521479928 · Headquarters: CAPITOL HEIGHTS, MD, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

First page and all pages