Unknown & Unclassified nonprofits in New York

Unknown & Unclassified nonprofits in New York. Browse 31,594 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 833398023 · Headquarters: MASSENA, NY, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  2. Knights of Columbus

    EIN 833663744 · Headquarters: Rochester, NY, US · Unknown & Unclassified · Latest available filing year: 2019 · Primary form: IRS Form 990-N

  3. Knights of Columbus

    EIN 834107873 · Headquarters: Wurtsboro, NY, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  4. Knights of Columbus

    EIN 834606870 · Headquarters: Flushing, NY, US · Unknown & Unclassified · Latest available filing year: 2021 · Primary form: IRS Form 990-N

  5. Knights of Columbus

    EIN 842483598 · Headquarters: Suffern, NY, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  6. Knights of Columbus

    EIN 843655011 · Headquarters: Waterloo, NY, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  7. Knights of Columbus

    EIN 843692668 · Headquarters: Spencerport, NY, US · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-N

  8. Knights of Columbus

    EIN 843717790 · Headquarters: Rochester, NY, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  9. Knights of Columbus

    EIN 851797625 · Headquarters: East Amherst, NY, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  10. Knights of Columbus

    EIN 853608878 · Headquarters: Rockaway Point, NY, US · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-N

  11. Knights of Columbus

    EIN 853744179 · Headquarters: Bayshore, NY, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  12. Knights of Columbus

    EIN 862016249 · Headquarters: Forest Hills, NY, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  13. Knights of Columbus

    EIN 883579313 · Headquarters: Waterville, NY, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  14. Knights of Columbus

    EIN 884087216 · Headquarters: Warsaw, NY, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  15. Knights of Columbus

    EIN 900410473 · Headquarters: Ithaca, NY, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  16. Knights of Columbus

    EIN 900501443 · Headquarters: BABYLON, NY, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  17. Knights of Columbus

    EIN 900504577 · Headquarters: Fishkill, NY, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  18. Knights of Columbus

    EIN 900604455 · Headquarters: Oakland Gardens, NY, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  19. Knights of Columbus

    EIN 911968912 · Headquarters: Dix Hills, NY, USA · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-EZ

  20. Knights of Columbus

    EIN 912069062 · Headquarters: Eldred, NY, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  21. Knights of Columbus

    EIN 912095567 · Headquarters: East Aurora, NY, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  22. Knights of Columbus

    EIN 912139285 · Headquarters: CICERO, NY, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  23. Knights of Columbus

    EIN 931924944 · Headquarters: Wellsville, NY, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  24. Knights of Columbus

    EIN 992695129 · Headquarters: Richmond Hill, NY, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  25. Knights of Columbus

    EIN 993477849 · Headquarters: Howard Beach, NY, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  26. Knights of Columbus

    EIN 993933254 · Headquarters: New York, NY, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  27. Knights of Columbus #259

    EIN 150360277 · Headquarters: WATERTOWN, NY, USA · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-EZ

  28. Knights of Columbus #4618 Trinity Council

    EIN 237544091 · Headquarters: WEBSTER, NY, USA · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-EZ

  29. Knights of Columbus #5670 Fr Justin Council

    EIN 237544150 · Headquarters: CHEEKTOWAGA, NY, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990

  30. Knights of Columbus #6911 Our Lady of the Island

    EIN 510229384 · Headquarters: Massapequa Park, NY, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990

  31. Knights of Columbus #7423

    EIN 112518936 · Headquarters: WESTHAMPTON BEACH, NY, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  32. Knights of Columbus - John D Buckley Council

    EIN 150620995 · Headquarters: ILION, NY, USA · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990

  33. Knights of Columbus - Long Island Council # 197

    EIN 237142205 · Headquarters: OZONE PARK, NY, US · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-N

  34. Knights of Columbus - Queen of All Hearts Council 4126

    EIN 237142345 · Headquarters: CENTER MORICHES, NY, USA · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990

  35. Knights of Columbus 00473 E Bart Hanifin Council

    EIN 160984618 · Headquarters: ONEIDA, NY, USA · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990

  36. Knights of Columbus 1059 Sato Council

    EIN 237142632 · Headquarters: CANTON, NY, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990

  37. Knights of Columbus 1251 Thomas Dongan Council Co R OMara

    EIN 237102785 · Headquarters: Brooklyn, NY, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-EZ

  38. Knights of Columbus 1662 Supreme Council

    EIN 136155892 · Headquarters: STATEN ISLAND, NY, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-EZ

  39. Knights of Columbus 1828

    EIN 237543980 · Headquarters: Glen Cove, NY, USA · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990

  40. Knights of Columbus 2175 Stephen's Council

    EIN 150360240 · Headquarters: CROGHAN, NY, USA · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-EZ

  41. Knights of Columbus 2320 Council

    EIN 237109017 · Headquarters: PIERMONT, NY, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  42. Knights of Columbus 246

    EIN 510526948 · Headquarters: SARATOGA SPRINGS, NY, USA · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990

  43. Knights of Columbus 293 Lexington Council

    EIN 237543852 · Headquarters: BROOKLYN, NY, US · Unknown & Unclassified · Latest available filing year: 2022 · Primary form: IRS Form 990-N

  44. Knights of Columbus 311

    EIN 237543859 · Headquarters: OSSINING, NY, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  45. Knights of Columbus 3701 George W Hudson Council

    EIN 237134133 · Headquarters: WOODSIDE, NY, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-EZ

  46. Knights of Columbus 3958 Holy Mother Mary Council

    EIN 237142287 · Headquarters: NESCONSET, NY, USA · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-EZ

  47. Knights of Columbus 4299 - Bishop Kearney

    EIN 237231960 · Headquarters: JACKSON HEIGHTS, NY, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-EZ

  48. Knights of Columbus 481

    EIN 237126864 · Headquarters: BROOKLYN, NY, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-EZ

  49. Knights of Columbus 4810 St Joseph's Council

    EIN 237110265 · Headquarters: GREENLAWN, NY, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  50. Knights of Columbus 581 Haverstraw Council

    EIN 136008498 · Headquarters: HAVERSTRAW, NY, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990

  51. Knights of Columbus 5814 St Jude Council

    EIN 112459334 · Headquarters: Rocky Point, NY, USA · Unknown & Unclassified · Latest available filing year: 2023 · Primary form: IRS Form 990-EZ

  52. Knights of Columbus 5890

    EIN 237142162 · Headquarters: WASHINGTONVILLE, NY, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990

  53. Knights of Columbus 5962 Father John Farrell Council

    EIN 237107531 · Headquarters: Hewlett, NY, US · Unknown & Unclassified · Latest available filing year: 2021 · Primary form: IRS Form 990-N

  54. Knights of Columbus 6893 Fr Thomas A Judge Council

    EIN 510229308 · Headquarters: East Northport, NY, USA · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990

  55. Knights of Columbus Bishop Baldwin Council 15809

    EIN 465538121 · Headquarters: Garden City, NY, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  56. Knights of Columbus Building Association of Mechanicville Ny In

    EIN 146037840 · Headquarters: Mechanicville, NY, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  57. Knights of Columbus Council # 13378

    EIN 470927859 · Headquarters: LAGRANGEVILLE, NY, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-EZ

  58. Knights of Columbus Council #1141

    EIN 237142641 · Headquarters: MASSENA, NY, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  59. Knights of Columbus Council #3481

    EIN 237544048 · Headquarters: OCEANSIDE, NY, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990

  60. Knights of Columbus Council #3689

    EIN 237107792 · Headquarters: BELLMORE, NY, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-EZ

  61. Knights of Columbus Council 11621

    EIN 800593398 · Headquarters: Maine, NY, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  62. Knights of Columbus Council 14622

    EIN 455087645 · Headquarters: Youngstown, NY, US · Unknown & Unclassified · Latest available filing year: 2011 · Primary form: IRS Form 990-N

  63. Knights of Columbus Council 207

    EIN 150360230 · Headquarters: AUBURN, NY, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-EZ

  64. Knights of Columbus Council 2177

    EIN 150576331 · Headquarters: TUPPER LAKE, NY, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-EZ

  65. Knights of Columbus Council 2220

    EIN 237142135 · Headquarters: HAMBURG, NY, USA · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990

  66. Knights of Columbus Council 2243 Attn Bruce Coleman

    EIN 237107361 · Headquarters: LACKAWANNA, NY, USA · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990

  67. Knights of Columbus Council 308

    EIN 237142461 · Headquarters: Malone, NY, USA · Unknown & Unclassified · Latest available filing year: 2021 · Primary form: IRS Form 990

  68. Knights of Columbus Council 333

    EIN 237543867 · Headquarters: TICONDEROGA, NY, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990

  69. Knights of Columbus Council 391

    EIN 156022698 · Headquarters: ROME, NY, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990

  70. Knights of Columbus Council 5186

    EIN 472641167 · Headquarters: East Syracuse, NY, US · Unknown & Unclassified · Latest available filing year: 2015 · Primary form: IRS Form 990-N

  71. Knights of Columbus Council 5917

    EIN 237137311 · Headquarters: Staten Island, NY, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-EZ

  72. Knights of Columbus Council 6243

    EIN 237118194 · Headquarters: BROOKLYN, NY, USA · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-EZ

  73. Knights of Columbus Council 794

    EIN 237109002 · Headquarters: LINDENHURST, NY, USA · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-EZ

  74. Knights of Columbus Eugene G Santor Council 4689

    EIN 237185045 · Headquarters: Keeseville, NY, USA · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990

  75. Knights of Columbus Father Myron V Miller Assembly 1794

    EIN 450591971 · Headquarters: South Salem, NY, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  76. Knights of Columbus Fourth Degree Bishop Gabriel

    EIN 237547102 · Headquarters: Saranac Lake, NY, US · Unknown & Unclassified · Latest available filing year: 2010 · Primary form: IRS Form 990-N

  77. Knights of Columbus Fr John Schaus Council 4652

    EIN 237106978 · Headquarters: LANCASTER, NY, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-EZ

  78. Knights of Columbus Home of Geneva Inc

    EIN 160766761 · Headquarters: GENEVA, NY, USA · Unknown & Unclassified · Latest available filing year: 2023 · Primary form: IRS Form 990

  79. Knights of Columbus Knights of Columbus

    EIN 237107435 · Headquarters: Olean, NY, US · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-N

  80. KNIGHTS OF COLUMBUS LONG ISLAND CHAPTER Aka K of C Long Island

    EIN 112244944 · Headquarters: Brooklyn, NY, USA · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-EZ

  81. Knights of Columbus Madonna Council 2535

    EIN 237544020 · Headquarters: NORTH TONAWANDA, NY, USA · Unknown & Unclassified · Latest available filing year: 2023 · Primary form: IRS Form 990

  82. Knights of Columbus Msgr A D Charbonneau Council 258

    EIN 237543839 · Headquarters: OGDENSBURG, NY, USA · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-EZ

  83. Knights of Columbus New Hyde Park Council # 2852

    EIN 237107648 · Headquarters: New Hyde Park, NY, US · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-N

  84. Knights of Columbus New York Chapter

    EIN 131685849 · Headquarters: BRONX, NY, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-EZ

  85. KNIGHTS OF COLUMBUS Our Lady of the Lakes Council 6318

    EIN 141550825 · Headquarters: Carmel, NY, USA · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-EZ

  86. Knights of Columbus Peter Campon Council 206

    EIN 161560306 · Headquarters: BINGHAMTON, NY, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  87. Knights of Columbus Precious Blood Council

    EIN 237137252 · Headquarters: BATH, NY, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  88. Knights of Columbus Pro Patria 751 Council

    EIN 237107441 · Headquarters: BRONX, NY, USA · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-EZ

  89. Knights of Columbus Rev Charles a Boyd Council

    EIN 510238398 · Headquarters: Brooklyn, NY, US · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-N

  90. Knights of Columbus Saint Joseph the Worker 12993

    EIN 113636734 · Headquarters: East Patchogue, NY, US · Unknown & Unclassified · Latest available filing year: 2009 · Primary form: IRS Form 990-N

  91. Knights of Columbus St Regis Council 4651

    EIN 112444262 · Headquarters: RONKONKOMA, NY, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990

  92. Knights of Columbus-father Thomas Fb Carroll Council 4566

    EIN 237142330 · Headquarters: VALLEY STREAM, NY, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  93. Knights of Coumbus of Kingston Council 275 Inc

    EIN 237547146 · Headquarters: KINGSTON, NY, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  94. Knights of Equity Court-5

    EIN 166054828 · Headquarters: Buffalo, NY, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  95. Knights of Peter Claver

    EIN 873301117 · Headquarters: Buffalo, NY, US · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-N

  96. Knights of Peter Claver

    EIN 873420903 · Headquarters: Buffalo, NY, US · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-N

  97. Knights of Peter Claver

    EIN 873961103 · Headquarters: Suffern, NY, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  98. Knights of Peter Claver- Our Lady of Presentation Council 412

    EIN 994681269 · Headquarters: Brooklyn, NY, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  99. Knights of Pythias New York

    EIN 237170121 · Headquarters: Brooklyn, NY, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  100. Knights of Pythias New York

    EIN 237171647 · Headquarters: Monsey, NY, US · Unknown & Unclassified · Latest available filing year: 2019 · Primary form: IRS Form 990-N

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