Unknown & Unclassified nonprofits in Colorado

Unknown & Unclassified nonprofits in Colorado. Browse 9,996 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. American Federation of Government Employees

    EIN 200365551 · Headquarters: Lakewood, CO, US · Unknown & Unclassified · Latest available filing year: 2019 · Primary form: IRS Form 990-N

  2. American Federation of Government Employees

    EIN 237345342 · Headquarters: Rocky Ford, CO, US · Unknown & Unclassified · Latest available filing year: 2019 · Primary form: IRS Form 990-N

  3. American Federation of Government Employees

    EIN 510212556 · Headquarters: Denver, CO, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  4. American Federation of Government Employees

    EIN 510254893 · Headquarters: Elizabeth, CO, US · Unknown & Unclassified · Latest available filing year: 2021 · Primary form: IRS Form 990-N

  5. American Federation of Government Employees

    EIN 646035905 · Headquarters: EVERGREEN, CO, USA · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-EZ

  6. American Federation of Government Employees

    EIN 822564053 · Headquarters: Colorado Springs, CO, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  7. American Federation of Government Employees

    EIN 822831257 · Headquarters: DEER TRAIL, CO, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990

  8. American Federation of Government Employees

    EIN 841147677 · Headquarters: Denver, CO, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  9. American Federation of Government Employees

    EIN 841484800 · Headquarters: Lakewood, CO, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  10. American Federation of Government Employees

    EIN 846036263 · Headquarters: Aurora, CO, US · Unknown & Unclassified · Latest available filing year: 2023 · Primary form: IRS Form 990-N

  11. American Federation of Government Employees L

    EIN 846040816 · Headquarters: USAF Academy, CO, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-EZ

  12. American Federation of Government Employees Local 1116

    EIN 900809778 · Headquarters: LAKEWOOD, CO, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  13. American Federation of Government Employees Local 3416

    EIN 237208759 · Headquarters: DENVER, CO, USA · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-EZ

  14. American Federation of Labor & Congress of Industrial Orgs

    EIN 840516686 · Headquarters: Colorado Springs, CO, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  15. American Federation of State County & Municipal Employees

    EIN 237145345 · Headquarters: Aurora, CO, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  16. American Federation of State County & Municipal Employees

    EIN 260099585 · Headquarters: PUEBLO, CO, US · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-N

  17. American Federation of State County & Municipal Employees

    EIN 840742291 · Headquarters: Lakewood, CO, US · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-N

  18. American Federation of State County & Municipal Employees

    EIN 841067989 · Headquarters: Denver, CO, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  19. American Federation of State County & Municipal Employees

    EIN 846035845 · Headquarters: Pueblo, CO, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  20. American Federation of State County & Municipal Employees

    EIN 846036481 · Headquarters: Pueblo, CO, USA · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-EZ

  21. American Federation of State County & Municipal Employees

    EIN 846037719 · Headquarters: Denver, CO, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  22. American Federation of State County & Municipal Employees

    EIN 880681714 · Headquarters: Denver, CO, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  23. American Federation of State County and Municipal Employees

    EIN 383879544 · Headquarters: Denver, CO, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  24. American Federation of Teachers

    EIN 237242954 · Headquarters: Boulder, CO, US · Unknown & Unclassified · Latest available filing year: 2019 · Primary form: IRS Form 990-N

  25. American Federation of Teachers

    EIN 431358987 · Headquarters: Denver, CO, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990

  26. American Federation of Teachers

    EIN 752402703 · Headquarters: Denver, CO, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990

  27. American Federation of Teachers

    EIN 843281550 · Headquarters: Denver, CO, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990

  28. AMERICAN FEDERATION OF TEACHERS Aka AFT Arizona Organizing Project

    EIN 832376186 · Headquarters: Denver, CO, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-EZ

  29. AMERICAN FEDERATION OF TEACHERS Aka AFT Colorado Higher Education Organization

    EIN 872069117 · Headquarters: Denver, CO, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-EZ

  30. AMERICAN FEDERATION OF TEACHERS Aka Colorado Organizing Project

    EIN 463003748 · Headquarters: Denver, CO, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-EZ

  31. AMERICAN FEDERATION OF TEACHERS Aka Colorado WINS

    EIN 833982980 · Headquarters: Denver, CO, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-EZ

  32. AMERICAN FEDERATION OF TEACHERS Aka Montana Organizing Project

    EIN 262253089 · Headquarters: Denver, CO, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-EZ

  33. AMERICAN FEDERATION OF TEACHERS Aka New Mexico Higher Education Organizing Project

    EIN 815232682 · Headquarters: Denver, CO, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-EZ

  34. American Federation of Teachers of Colorado

    EIN 840382030 · Headquarters: Denver, CO, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990

  35. American Fence Association Colorado Chapter

    EIN 841410569 · Headquarters: Arvada, CO, USA · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-EZ

  36. American Freedom Council DBA American Freedom Coalition

    EIN 883361332 · Headquarters: Pueblo West, CO, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990

  37. American Galvanizers Assn Inc

    EIN 530258755 · Headquarters: CENTENNIAL, CO, USA · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990

  38. American Gi Forum 5281 Chapter

    EIN 461897504 · Headquarters: Denver, CO, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  39. American Gi Forum of the U S

    EIN 846030978 · Headquarters: PUEBLO, CO, US · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-N

  40. American Gi Forum of the U S

    EIN 850133743 · Headquarters: Pueblo, CO, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  41. American Gi Forum of the Us

    EIN 841600581 · Headquarters: PUEBLO, CO, US · Unknown & Unclassified · Latest available filing year: 2023 · Primary form: IRS Form 990-N

  42. American Gi Forum of the Us

    EIN 846050679 · Headquarters: PUEBLO, CO, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  43. American Gouvy Society

    EIN 472656259 · Headquarters: Littleton, CO, US · Unknown & Unclassified · Latest available filing year: 2018 · Primary form: IRS Form 990-N

  44. American Guild of Organists

    EIN 742125972 · Headquarters: Wellington, CO, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  45. American Guild of Organists

    EIN 846058543 · Headquarters: Colorado Springs, CO, US · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-N

  46. American Haidakhan Samaj

    EIN 942653337 · Headquarters: Salida, CO, USA · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-EZ

  47. American Harp Society

    EIN 272404174 · Headquarters: Boulder, CO, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  48. American Highland Cattle Assoc

    EIN 460250402 · Headquarters: Brighton, CO, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990

  49. American Humanist Asociation

    EIN 453534913 · Headquarters: Grand Junction, CO, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  50. American Humanist Association

    EIN 202310408 · Headquarters: Salida, CO, US · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-N

  51. American Humanist Association

    EIN 392421463 · Headquarters: Longmont, CO, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  52. American Humanist Association

    EIN 464970137 · Headquarters: Arvada, CO, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  53. American Immigration Lawyers Association

    EIN 840811909 · Headquarters: Denver, CO, USA · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-EZ

  54. American Industrial Hygiene Association

    EIN 840861675 · Headquarters: Aurora, CO, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  55. American Inns of Court Foundation

    EIN 061840142 · Headquarters: Denver, CO, US · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-N

  56. American Inns of Court Foundation

    EIN 262525278 · Headquarters: Fort Collins, CO, US · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-N

  57. American Inns of Court Foundation

    EIN 384045496 · Headquarters: Denver, CO, US · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-N

  58. American Inns of Court Foundation

    EIN 521638644 · Headquarters: Denver, CO, US · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-N

  59. American Inns of Court Foundation

    EIN 841244371 · Headquarters: Denver, CO, US · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-N

  60. American Inns of Court Foundation

    EIN 841278190 · Headquarters: Colorado Springs, CO, US · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-N

  61. American Inns of Court Foundation

    EIN 841331316 · Headquarters: Denver, CO, US · Unknown & Unclassified · Latest available filing year: 2023 · Primary form: IRS Form 990-N

  62. American Inns of Court Foundation

    EIN 841400579 · Headquarters: Denver, CO, US · Unknown & Unclassified · Latest available filing year: 2023 · Primary form: IRS Form 990-N

  63. American Inst of Prof Geologists

    EIN 840532962 · Headquarters: Northglenn, CO, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990

  64. American Institute of Aeronautics and Astronautics

    EIN 237099183 · Headquarters: Fort Collins, CO, US · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-N

  65. American Institute of Aeronautics and Astronautics

    EIN 846048995 · Headquarters: Highlands Ranch, CO, US · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-N

  66. American Institute of Aeronautics and Astronautics Inc

    EIN 846048994 · Headquarters: Boulder, CO, US · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-N

  67. American Institute of Chemical Engineers

    EIN 510247198 · Headquarters: Loveland, CO, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  68. American Institute of Graphic Arts

    EIN 841147421 · Headquarters: DURANGO, CO, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  69. American Institute of Prof Geologis

    EIN 846061199 · Headquarters: WESTMINSTER, CO, USA · Unknown & Unclassified · Latest available filing year: 2022 · Primary form: IRS Form 990

  70. American Legion

    EIN 261904036 · Headquarters: Peyton, CO, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  71. American Legion

    EIN 273537411 · Headquarters: Gunnison, CO, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  72. American Legion

    EIN 273884813 · Headquarters: Calhan, CO, US · Unknown & Unclassified · Latest available filing year: 2021 · Primary form: IRS Form 990-N

  73. American Legion

    EIN 310931275 · Headquarters: Denver, CO, US · Unknown & Unclassified · Latest available filing year: 2022 · Primary form: IRS Form 990-N

  74. American Legion

    EIN 310931495 · Headquarters: Aurora, CO, US · Unknown & Unclassified · Latest available filing year: 2021 · Primary form: IRS Form 990-N

  75. American Legion

    EIN 311198243 · Headquarters: Woodland Park, CO, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  76. American Legion

    EIN 320135344 · Headquarters: San Luis, CO, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  77. American Legion

    EIN 562418601 · Headquarters: CASTLE ROCK, CO, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  78. American Legion

    EIN 834145063 · Headquarters: WELLINGTON, CO, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  79. American Legion

    EIN 840364378 · Headquarters: Sterling, CO, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  80. American Legion

    EIN 840379620 · Headquarters: Julesburg, CO, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  81. American Legion

    EIN 840395200 · Headquarters: AURORA, CO, US · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-N

  82. American Legion

    EIN 840401104 · Headquarters: YUMA, CO, USA · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-EZ

  83. American Legion

    EIN 840707075 · Headquarters: AURORA, CO, US · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-N

  84. American Legion

    EIN 840751309 · Headquarters: FORT COLLINS, CO, US · Unknown & Unclassified · Latest available filing year: 2021 · Primary form: IRS Form 990-N

  85. American Legion

    EIN 841147600 · Headquarters: Pueblo West, CO, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  86. American Legion

    EIN 841196985 · Headquarters: aurora, CO, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  87. American Legion

    EIN 841210046 · Headquarters: Elbert, CO, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  88. American Legion

    EIN 841220154 · Headquarters: Aurora, CO, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  89. American Legion

    EIN 841235789 · Headquarters: Lakewood, CO, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  90. American Legion

    EIN 841418834 · Headquarters: Highlands Ranch, CO, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  91. American Legion

    EIN 841542756 · Headquarters: EVERGREEN, CO, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  92. American Legion

    EIN 842462483 · Headquarters: DENVER, CO, US · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-N

  93. American Legion

    EIN 846027875 · Headquarters: Canon City, CO, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  94. American Legion

    EIN 846035840 · Headquarters: Florence, CO, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  95. American Legion

    EIN 846038247 · Headquarters: Elizabeth, CO, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  96. American Legion

    EIN 846043536 · Headquarters: PARKER, CO, US · Unknown & Unclassified · Latest available filing year: 2021 · Primary form: IRS Form 990-N

  97. American Legion

    EIN 846051418 · Headquarters: Manitou Springs, CO, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990

  98. American Legion

    EIN 846051420 · Headquarters: Steamboat Springs, CO, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  99. American Legion

    EIN 846051432 · Headquarters: Akron, CO, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  100. American Legion

    EIN 846051438 · Headquarters: Cortez, CO, US · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-N

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