Unknown & Unclassified nonprofits

Unknown & Unclassified nonprofits. Browse 557,756 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. Columbus Day Committee Inc Attn Mary Lou Nuzzo Treasurer

    EIN 061055636 · Headquarters: NEW HAVEN, CT, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  2. Columbus Day Society of Harrison Inc C/o Santoro Amedeo & Co

    EIN 133579278 · Headquarters: HARRISON, NY, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  3. Columbus Dental Society

    EIN 316036549 · Headquarters: WESTERVILLE, OH, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990

  4. Columbus Development Corp

    EIN 470781046 · Headquarters: COLUMBUS, NE, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  5. Columbus Dietetic Association

    EIN 237401618 · Headquarters: Columbus, OH, US · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-N

  6. Columbus Downtown Quarterback Club

    EIN 311250536 · Headquarters: WESTERVILLE, OH, USA · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990

  7. Columbus Early Learning Centers

    EIN 314379619 · Headquarters: COLUMBUS, OH, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990

  8. Columbus East Choral Parents Inc

    EIN 842694804 · Headquarters: Columbus, IN, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-EZ

  9. Columbus East Side Lions Club

    EIN 884156311 · Headquarters: canal winchester, OH, US · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-N

  10. Columbus East Town Op&f Inc

    EIN 311423585 · Headquarters: COLUMBUS, OH, USA · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990

  11. Columbus Eastside Performing Arts and Community Center Inc

    EIN 863371271 · Headquarters: Columbus, GA, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  12. Columbus Economic Development Corporation

    EIN 481048647 · Headquarters: COLUMBUS, KS, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  13. Columbus Education Association

    EIN 263443083 · Headquarters: MADISON, WI, US · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-N

  14. Columbus Education Association

    EIN 310946049 · Headquarters: COLUMBUS, OH, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990

  15. Columbus Educational Association

    EIN 421075304 · Headquarters: Des Moines, IA, US · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-N

  16. Columbus Educational Foundation Inc

    EIN 391269077 · Headquarters: MARSHFIELD, WI, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990

  17. Columbus Electric Cooperative Inc

    EIN 850094212 · Headquarters: DEMING, NM, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990

  18. Columbus Electric Scholarship Inc

    EIN 850373471 · Headquarters: DEMING, NM, USA · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-PF

  19. Columbus Feis Inc

    EIN 311010693 · Headquarters: COLUMBUS, OH, USA · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-PF

  20. Columbus Fellowship Club Inc

    EIN 310986035 · Headquarters: Columbus, IN, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  21. Columbus Female Benevolent Society

    EIN 316042036 · Headquarters: BEXLEY, OH, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-PF

  22. Columbus Fire Fighters Iaff Local 67

    EIN 314426588 · Headquarters: COLUMBUS, OH, USA · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990

  23. Columbus Folk Music Society Incorporated

    EIN 311321160 · Headquarters: Columbus, OH, US · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-N

  24. Columbus Foundation for Animals Inc

    EIN 470824416 · Headquarters: Columbus, NE, US · Unknown & Unclassified · Latest available filing year: 2010 · Primary form: IRS Form 990-N

  25. Columbus Ga Scrambled Dawgs 403 Inc

    EIN 923562257 · Headquarters: Columbus, GA, US · Unknown & Unclassified · Latest available filing year: 2023 · Primary form: IRS Form 990-N

  26. Columbus Ganesh Mandal Inc

    EIN 464423720 · Headquarters: Columbus, IN, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  27. Columbus Grove Education Assn

    EIN 237083649 · Headquarters: Columbus Grove, OH, US · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-N

  28. Columbus Hall Assn

    EIN 420191235 · Headquarters: Fort Dodge, IA, US · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-N

  29. Columbus Hall Inc

    EIN 480693252 · Headquarters: GARDEN CITY, KS, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990

  30. Columbus Heritage Coalition Inc

    EIN 824171317 · Headquarters: New York, NY, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  31. Columbus Historic Preservation Trust

    EIN 741948585 · Headquarters: Columbus, TX, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990

  32. Columbus Home Association

    EIN 060712040 · Headquarters: WATERBURY, CT, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  33. Columbus Home Association

    EIN 440603224 · Headquarters: Sedalia, MO, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  34. Columbus Home Association Inc

    EIN 810725754 · Headquarters: Pittston, ME, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  35. Columbus Home Association of Burkburnett

    EIN 752195155 · Headquarters: Burkburnett, TX, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  36. Columbus Home Association of Chillicothe Missouri Inc

    EIN 431100842 · Headquarters: Chillicothe, MO, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  37. Columbus Home Association of Pocatello

    EIN 902800059 · Headquarters: BLACKFOOT, ID, USA · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-EZ

  38. Columbus Home Association of West Branch

    EIN 386095277 · Headquarters: WEST BRANCH, MI, USA · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-EZ

  39. Columbus Homes Association Inc

    EIN 480934575 · Headquarters: Lawrence, KS, US · Unknown & Unclassified · Latest available filing year: 2019 · Primary form: IRS Form 990-N

  40. Columbus Hospice

    EIN 581385395 · Headquarters: Columbus, GA, United States · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990

  41. Columbus Housing Finance Corporation

    EIN 351781035 · Headquarters: COLUMBUS, IN, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  42. Columbus Housing Inc

    EIN 480851540 · Headquarters: COLUMBUS, KS, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-EZ

  43. Columbus Indiana Bible Students Ecclesia

    EIN 237109140 · Headquarters: Flat Rock, IN, US · Unknown & Unclassified · Latest available filing year: 2023 · Primary form: IRS Form 990-N

  44. Columbus Italian American Citizens Association

    EIN 230486202 · Headquarters: Clifton Heights, PA, USA · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990

  45. Columbus Japanese Language School

    EIN 311008237 · Headquarters: WORTHINGTON, OH, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990

  46. Columbus Jazz Society Inc

    EIN 581764859 · Headquarters: Columbus, GA, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  47. Columbus Junior Chamber of Commerce

    EIN 580541135 · Headquarters: Columbus, GA, US · Unknown & Unclassified · Latest available filing year: 2020 · Primary form: IRS Form 990-N

  48. Columbus Kennel Club Inc

    EIN 586043413 · Headquarters: Columbus, GA, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  49. Columbus Killifish Group

    EIN 813482717 · Headquarters: Worthington, OH, US · Unknown & Unclassified · Latest available filing year: 2022 · Primary form: IRS Form 990-N

  50. Columbus Kiwanis Foundation

    EIN 237347723 · Headquarters: COLUMBUS, OH, USA · Unknown & Unclassified · Latest available filing year: 2023 · Primary form: IRS Form 990

  51. Columbus Kiwanis Scholarship Foundation

    EIN 356042494 · Headquarters: Columbus, IN, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  52. Columbus Landscape Association

    EIN 311239015 · Headquarters: COLUMBUS, OH, USA · Unknown & Unclassified · Latest available filing year: 2020 · Primary form: IRS Form 990

  53. Columbus Lawyers Education Foundation Inc

    EIN 581379428 · Headquarters: COLUMBUS, GA, US · Unknown & Unclassified · Latest available filing year: 2023 · Primary form: IRS Form 990-N

  54. Columbus Lesbian Softball League

    EIN 311406470 · Headquarters: GROVE CITY, OH, US · Unknown & Unclassified · Latest available filing year: 2019 · Primary form: IRS Form 990-N

  55. Columbus Library Foundation

    EIN 237135275 · Headquarters: COLUMBUS, NE, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990

  56. Columbus Literate Community Program

    EIN 581929221 · Headquarters: COLUMBUS, GA, USA · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-EZ

  57. Columbus Lodge No 11 Loyal Order of Moose

    EIN 314238510 · Headquarters: Columbus, OH, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990

  58. Columbus Maennerchor

    EIN 314153535 · Headquarters: COLUMBUS, OH, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990

  59. Columbus Medical Association

    EIN 314411074 · Headquarters: COLUMBUS, OH, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990

  60. Columbus Medical Research Foundation

    EIN 314426628 · Headquarters: COLUMBUS, OH, USA · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-PF

  61. Columbus Mens Corporation of Killeen Texas

    EIN 741670850 · Headquarters: Killeen, TX, US · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-N

  62. Columbus Mens Fast Pitch Softball Club

    EIN 161720167 · Headquarters: POWELL, OH, US · Unknown & Unclassified · Latest available filing year: 2013 · Primary form: IRS Form 990-N

  63. Columbus Moose Lodge No 398

    EIN 350480170 · Headquarters: COLUMBUS, IN, USA · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990

  64. Columbus Mortgage Bankers Associati

    EIN 310984867 · Headquarters: DUBLIN, OH, US · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-N

  65. Columbus Municipal Credit Union

    EIN 640410704 · Headquarters: Columbus, MS, USA · Unknown & Unclassified · Latest available filing year: 2017 · Primary form: IRS Form 990

  66. Columbus Neighborhood Association

    EIN 810548527 · Headquarters: Tulsa, OK, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  67. Columbus New Mexico Historical Society Inc

    EIN 850300426 · Headquarters: Columbus, NM, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  68. Columbus North Bpo Elks 2700

    EIN 311147887 · Headquarters: COLUMBUS, OH, US · Unknown & Unclassified · Latest available filing year: 2020 · Primary form: IRS Form 990-N

  69. Columbus North Bulldogs Boosters

    EIN 311202452 · Headquarters: COLUMBUS, IN, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-EZ

  70. Columbus Ophthalmological and Otolaryngological Society

    EIN 310975255 · Headquarters: Grove City, OH, US · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-N

  71. Columbus Osteopathic Association

    EIN 237162507 · Headquarters: Columbus, OH, US · Unknown & Unclassified · Latest available filing year: 2023 · Primary form: IRS Form 990-N

  72. Columbus Parker Track Club

    EIN 570832314 · Headquarters: LANCASTER, SC, USA · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-EZ

  73. Columbus Platte County Issac Walton League of America in Ne

    EIN 300473374 · Headquarters: Columbus, NE, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  74. Columbus Plaza Inc

    EIN 810349734 · Headquarters: BUTTE, MT, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990

  75. Columbus Police Sub-relief Fund

    EIN 310960347 · Headquarters: COLUMBUS, OH, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990

  76. Columbus Porcelain Artists

    EIN 311069218 · Headquarters: Columbus, OH, US · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-N

  77. Columbus Power Elite Booster Club

    EIN 202493432 · Headquarters: Columbus, IN, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  78. Columbus Preschool Inc

    EIN 391192835 · Headquarters: Columbus, WI, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-EZ

  79. Columbus Regional Auxiliary

    EIN 580917974 · Headquarters: COLUMBUS, GA, USA · Unknown & Unclassified · Latest available filing year: 2023 · Primary form: IRS Form 990

  80. Columbus Regional Shelter for Victims of Domestic Violence

    EIN 310993447 · Headquarters: COLUMBUS, IN, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990

  81. Columbus Road Business Association

    EIN 010952244 · Headquarters: Athens, OH, US · Unknown & Unclassified · Latest available filing year: 2012 · Primary form: IRS Form 990-N

  82. Columbus Roadrunners Inc

    EIN 582607105 · Headquarters: COLUMBUS, GA, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-EZ

  83. Columbus Robotics Inc

    EIN 463956758 · Headquarters: COLUMBUS, IN, USA · Unknown & Unclassified · Latest available filing year: 2022 · Primary form: IRS Form 990-PF

  84. Columbus Rock and Mineral Society

    EIN 316050724 · Headquarters: Columbus, OH, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  85. Columbus Round Tuit Club Good Sam

    EIN 582394400 · Headquarters: Cataula, GA, US · Unknown & Unclassified · Latest available filing year: 2019 · Primary form: IRS Form 990-N

  86. Columbus Saves

    EIN 562439475 · Headquarters: Columbus, OH, US · Unknown & Unclassified · Latest available filing year: 2009 · Primary form: IRS Form 990-N

  87. Columbus Scholarship Board

    EIN 060967153 · Headquarters: Orange, CT, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  88. Columbus Senior Citizen Center Board

    EIN 411561691 · Headquarters: COLUMBUS, MN, US · Unknown & Unclassified · Latest available filing year: 2020 · Primary form: IRS Form 990-N

  89. Columbus Senior Citizens Center

    EIN 810411401 · Headquarters: Columbus, MT, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-EZ

  90. Columbus Sheet Metal Workers Apprenticeship

    EIN 310628747 · Headquarters: COLUMBUS, OH, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990

  91. Columbus Shrine Club Ladies Auxilia

    EIN 991549385 · Headquarters: COLUMBUS, GA, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-EZ

  92. Columbus Ski Club

    EIN 310938337 · Headquarters: COLUMBUS, OH, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990

  93. Columbus Smith Trust Estate

    EIN 030186171 · Headquarters: Salisbury, VT, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-PF

  94. Columbus Social Club Inc

    EIN 590809831 · Headquarters: Jacksonville, FL, USA · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990

  95. Columbus Society for Clinical Social Work Inc

    EIN 203339427 · Headquarters: Columbus, OH, US · Unknown & Unclassified · Latest available filing year: 2018 · Primary form: IRS Form 990-N

  96. Columbus Songwriters Association

    EIN 462535230 · Headquarters: COLUMBUS, OH, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  97. Columbus Speech and Hearing Center

    EIN 314379449 · Headquarters: Dublin, OH, USA · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990

  98. Columbus Sportsmans Assoc Inc

    EIN 392005532 · Headquarters: Columbus, WI, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-EZ

  99. Columbus Spouses Club-social

    EIN 205307911 · Headquarters: Columbus, MS, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  100. Columbus Street Foundation Inc

    EIN 931102215 · Headquarters: Albany, OR, US · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-N

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