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. Columbia Amateur Radio Association Inc

    EIN 521143356 · Headquarters: Columbia, MD, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  2. Columbia Apartment Association

    EIN 431685401 · Headquarters: Columbia, MO, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-EZ

  3. Columbia Arms Inc

    EIN 222891851 · Headquarters: KEARNY, NJ, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990

  4. Columbia Association

    EIN 520823992 · Headquarters: Columbia, MD, US · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990

  5. Columbia Association of Westchester County

    EIN 237326781 · Headquarters: Yonkers, NY, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  6. Columbia Atheists

    EIN 352844424 · Headquarters: COLUMBIA, MO, US · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-N

  7. Columbia Athletic Association

    EIN 340158595 · Headquarters: Barberton, OH, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  8. Columbia Athletic Association Pittsburg Works U S Steel Corp Ind

    EIN 940397336 · Headquarters: Pittsburg, CA, US · Unknown & Unclassified · Latest available filing year: 2023 · Primary form: IRS Form 990-N

  9. Columbia Audubon Society Inc

    EIN 436062576 · Headquarters: Columbia, MO, US · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-N

  10. Columbia Autumn Classic Road Race

    EIN 465463375 · Headquarters: Columbia, CT, US · Unknown & Unclassified · Latest available filing year: 2014 · Primary form: IRS Form 990-N

  11. Columbia Aviation Association

    EIN 936016134 · Headquarters: AURORA, OR, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-EZ

  12. Columbia Band Booster Association

    EIN 470968548 · Headquarters: Columbia, PA, US · Unknown & Unclassified · Latest available filing year: 2023 · Primary form: IRS Form 990-N

  13. Columbia Band Boosters

    EIN 341397623 · Headquarters: Columbia Station, OH, US · Unknown & Unclassified · Latest available filing year: 2023 · Primary form: IRS Form 990-N

  14. Columbia Bands Inc

    EIN 521493854 · Headquarters: Columbia, MD, US · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-N

  15. Columbia Basin Board of Realtors

    EIN 930789088 · Headquarters: HERMISTON, OR, US · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-N

  16. Columbia Basin Care Foundation

    EIN 931040833 · Headquarters: The Dalles, OR, US · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-N

  17. Columbia Basin Chapter of the Model a Ford Club of America

    EIN 272109582 · Headquarters: RICHLAND, WA, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  18. Columbia Basin Corvairs

    EIN 911151317 · Headquarters: Richland, WA, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  19. Columbia Basin Development League

    EIN 910787314 · Headquarters: LACEY, WA, USA · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990

  20. Columbia Basin Duplicate Bridge Unit 436

    EIN 300524120 · Headquarters: Moses Lake, WA, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  21. Columbia Basin Elks Lodge No 1930

    EIN 910625623 · Headquarters: Moses Lake, WA, USA · Unknown & Unclassified · Latest available filing year: 2023 · Primary form: IRS Form 990

  22. Columbia Basin Fly Casters

    EIN 911001561 · Headquarters: Richland, WA, US · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-N

  23. Columbia Basin Fly Fishers

    EIN 943142951 · Headquarters: COULEE CITY, WA, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  24. Columbia Basin Hospital Foundation

    EIN 911147817 · Headquarters: Ephrata, WA, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-EZ

  25. Columbia Basin Irrigation Council

    EIN 911365008 · Headquarters: RICHLAND, WA, USA · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-EZ

  26. Columbia Basin Music Educators Association

    EIN 270364974 · Headquarters: Pasco, WA, US · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-N

  27. Columbia Basin Onion Research Committee

    EIN 811512866 · Headquarters: Kennewick, WA, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-EZ

  28. Columbia Basin Rodeo Assoc Inc

    EIN 910817073 · Headquarters: MOSES LAKE, WA, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990

  29. Columbia Basin Sailing Club

    EIN 910976366 · Headquarters: Richland, WA, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  30. Columbia Basin United Soccer Club

    EIN 870772907 · Headquarters: EPHRATA, WA, US · Unknown & Unclassified · Latest available filing year: 2019 · Primary form: IRS Form 990-N

  31. Columbia Basin Vegetable Seed Assoc

    EIN 911409301 · Headquarters: Quincy, WA, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  32. Columbia Bath and Tennis Club

    EIN 370864537 · Headquarters: COLUMBIA, IL, USA · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-EZ

  33. Columbia Bicycle Club

    EIN 431470226 · Headquarters: Columbia, MO, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  34. Columbia Borough Fire Department

    EIN 861101879 · Headquarters: COLUMBIA, PA, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990

  35. Columbia Breaks Fire Interpretive Center Foundation

    EIN 911532783 · Headquarters: Entiat, WA, USA · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-EZ

  36. Columbia Bridge Club

    EIN 576024921 · Headquarters: Columbia, SC, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-EZ

  37. Columbia Burying Ground Association

    EIN 066040744 · Headquarters: Columbia, CT, US · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-N

  38. Columbia Business & Professional Womens Organization

    EIN 621046016 · Headquarters: COLUMBIA, TN, US · Unknown & Unclassified · Latest available filing year: 2023 · Primary form: IRS Form 990-N

  39. Columbia Business Exchange Inc

    EIN 521058091 · Headquarters: Woodbine, MD, US · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-N

  40. Columbia Canal Company

    EIN 940397350 · Headquarters: Firebaugh, CA, USA · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990

  41. Columbia Capital Rotary Club

    EIN 570960533 · Headquarters: COLUMBIA, SC, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-EZ

  42. Columbia Catholic Housing for the Elderly Inc

    EIN 237194962 · Headquarters: COLUMBIA, PA, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990

  43. Columbia Cemetery Association

    EIN 430223240 · Headquarters: COLUMBIA, MO, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990

  44. Columbia Cemetery Association

    EIN 510158154 · Headquarters: Bath, SD, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  45. Columbia Cemetery Association

    EIN 741400010 · Headquarters: WEST COLUMBIA, TX, USA · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990

  46. Columbia Cemetery Inc

    EIN 610659192 · Headquarters: Columbia, KY, US · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-N

  47. Columbia Center Rotary Charity

    EIN 943054375 · Headquarters: KENNEWICK, WA, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-PF

  48. Columbia Chamber Foundation

    EIN 431418698 · Headquarters: COLUMBIA, MO, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990

  49. Columbia Chamber of Commerce

    EIN 430223250 · Headquarters: COLUMBIA, MO, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990

  50. Columbia Chamber of Commerce Inc

    EIN 341769407 · Headquarters: Columbia Station, OH, USA · Unknown & Unclassified · Latest available filing year: 2023 · Primary form: IRS Form 990-EZ

  51. Columbia Chapter - Smacna Industry Fund

    EIN 930890011 · Headquarters: Portland, OR, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  52. Columbia Chapter of Florida A&m University

    EIN 862054749 · Headquarters: Lake City, FL, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  53. Columbia Chapter of National Audubon Society

    EIN 237420576 · Headquarters: Columbia, SC, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990

  54. Columbia Chapter of the Links Inc

    EIN 576025033 · Headquarters: COLUMBIA, SC, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990

  55. Columbia Chapter of the Sophisticate

    EIN 465256599 · Headquarters: Columbia, SC, US · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-N

  56. Columbia Charities Inc

    EIN 721216913 · Headquarters: Harahan, LA, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  57. Columbia Choral Society

    EIN 576026637 · Headquarters: Columbia, SC, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-EZ

  58. Columbia Christian School

    EIN 931094933 · Headquarters: Portland, OR, United States · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990

  59. Columbia Church Cemetery Inc

    EIN 350963393 · Headquarters: PRINCETON, IN, USA · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-EZ

  60. Columbia City Area Chamber of Commerce

    EIN 350239705 · Headquarters: COLUMBIA CITY, IN, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-EZ

  61. Columbia City BIA

    EIN 872988484 · Headquarters: Seattle, WA, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-EZ

  62. Columbia Classic Chevy Club

    EIN 570972885 · Headquarters: West Columbia, SC, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  63. Columbia Classical Ballet

    EIN 570943743 · Headquarters: Columbia, SC, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990

  64. Columbia Club Ba

    EIN 731403133 · Headquarters: Broken Arrow, OK, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  65. Columbia Club Inc

    EIN 350239810 · Headquarters: INDIANAPOLIS, IN, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990

  66. Columbia Club Inc

    EIN 420811127 · Headquarters: Mason City, IA, USA · Unknown & Unclassified · Latest available filing year: 2011 · Primary form: IRS Form 990

  67. Columbia Club of Niles Mich

    EIN 386095276 · Headquarters: Niles, MI, US · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-N

  68. Columbia Club of Perry Hall Inc

    EIN 521653333 · Headquarters: Nottingham, MD, US · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-N

  69. Columbia College Foundation

    EIN 237306390 · Headquarters: Sonora, CA, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990

  70. Columbia College of Nursing Inc

    EIN 391596986 · Headquarters: ST LOUIS, MO, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-EZ

  71. Columbia Commandery

    EIN 392263015 · Headquarters: Columbia, TN, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  72. Columbia Community Birth Center

    EIN 760843317 · Headquarters: ASHLAND, MO, US · Unknown & Unclassified · Latest available filing year: 2011 · Primary form: IRS Form 990-N

  73. Columbia Cooperative Nursery School

    EIN 060867955 · Headquarters: Hebron, CT, USA · Unknown & Unclassified · Latest available filing year: 2020 · Primary form: IRS Form 990-EZ

  74. Columbia Corporation

    EIN 540683078 · Headquarters: PORTSMOUTH, VA, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-EZ

  75. Columbia Council 9 R & S M

    EIN 900634645 · Headquarters: East Hampton, CT, US · Unknown & Unclassified · Latest available filing year: 2019 · Primary form: IRS Form 990-N

  76. Columbia Council for Internationals

    EIN 570913604 · Headquarters: Columbia, SC, US · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-N

  77. Columbia Country Club

    EIN 520278100 · Headquarters: Chevy Chase, MD, USA · Unknown & Unclassified · Latest available filing year: 2023 · Primary form: IRS Form 990

  78. Columbia Country Club

    EIN 570279386 · Headquarters: BLYTHEWOOD, SC, USA · Unknown & Unclassified · Latest available filing year: 2023 · Primary form: IRS Form 990

  79. Columbia County Adult Softball Inc

    EIN 811483515 · Headquarters: LAKE CITY, FL, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-PF

  80. Columbia County American Legion Auxillary Unit 57 Inc

    EIN 113700168 · Headquarters: LAKE CITY, FL, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990

  81. Columbia County Area Retired Teachers Association

    EIN 391459902 · Headquarters: Portage, WI, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  82. Columbia County Association of Snowmobile Clubs Inc

    EIN 391377081 · Headquarters: Rio, WI, US · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-N

  83. Columbia County Board of Realtors

    EIN 161743849 · Headquarters: GRESHAM, OR, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  84. Columbia County Burial Association

    EIN 716056485 · Headquarters: MAGNOLIA, AR, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-EZ

  85. Columbia County Co-operative Dairy Herd Improvement Association

    EIN 390742087 · Headquarters: PORTAGE, WI, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990

  86. Columbia County Correction Officer Association Local 3828

    EIN 141774818 · Headquarters: HUDSON, NY, USA · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-EZ

  87. Columbia County Economic Development Corp

    EIN 391736095 · Headquarters: PORTAGE, WI, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  88. Columbia County Farm Bureau

    EIN 710331686 · Headquarters: MAGNOLIA, AR, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-EZ

  89. Columbia County Farm Bureau

    EIN 930893052 · Headquarters: Saint Helens, OR, US · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-N

  90. Columbia County Farm Bureau Inc

    EIN 581185048 · Headquarters: HARLEM, GA, USA · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-EZ

  91. Columbia County Farm Bureau Inc

    EIN 591082806 · Headquarters: Lake City, FL, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990

  92. Columbia County Habitat for Humanity

    EIN 931264491 · Headquarters: Saint Helens, OR, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990

  93. Columbia County Jr Livestock

    EIN 471705085 · Headquarters: MAGNOLIA, AR, USA · Unknown & Unclassified · Latest available filing year: 2019 · Primary form: IRS Form 990-EZ

  94. Columbia County Motorcycle Club

    EIN 911177151 · Headquarters: Dayton, WA, US · Unknown & Unclassified · Latest available filing year: 2009 · Primary form: IRS Form 990-N

  95. Columbia County Natural

    EIN 272877107 · Headquarters: Scappoose, OR, US · Unknown & Unclassified · Latest available filing year: 2010 · Primary form: IRS Form 990-N

  96. Columbia County Retired Peace Officers Association

    EIN 992175448 · Headquarters: Ghent, NY, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-EZ

  97. Columbia County Senior Services Inc

    EIN 591447549 · Headquarters: LAKE CITY, FL, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990

  98. Columbia County Sons and Daughters of Italy in America

    EIN 010673858 · Headquarters: HUDSON, NY, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-EZ

  99. Columbia County Sports Foundation

    EIN 332096321 · Headquarters: Scappoose, OR, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  100. Columbia County Sportsmens Federation Inc

    EIN 465068166 · Headquarters: East Chatham, NY, USA · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-EZ

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