Nonprofits in Denver, Colorado

Nonprofits in Denver, Colorado. Browse 7,312 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. Ondo Scientia

    EIN 932005613 · Headquarters: DENVER, CO, USA · Education · Latest available filing year: 2025 · Primary form: IRS Form 990-PF

  2. One Accord Life Ministries

    EIN 464864368 · Headquarters: Denver, CO, US · Religion Related · Latest available filing year: 2024 · Primary form: IRS Form 990-N

  3. One Cancer Place

    EIN 863374986 · Headquarters: Denver, CO, USA · Health Care · Latest available filing year: 2025 · Primary form: IRS Form 990

  4. One Colorado

    EIN 271332464 · Headquarters: DENVER, CO, USA · Human Services · Latest available filing year: 2024 · Primary form: IRS Form 990

  5. One Colorado Education Fund

    EIN 271333378 · Headquarters: DENVER, CO, USA · Civil Rights, Social Action & Advocacy · Latest available filing year: 2024 · Primary form: IRS Form 990

  6. One Dollar One Stick One Mile

    EIN 460816200 · Headquarters: Denver, CO, US · Philanthropy, Voluntarism & Grantmaking Foundations · Latest available filing year: 2016 · Primary form: IRS Form 990-N

  7. One Dream

    EIN 920708422 · Headquarters: Denver, CO, US · Education · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  8. One Hope

    EIN 851790238 · Headquarters: Denver, CO, US · Arts, Culture & Humanities · Latest available filing year: 2020 · Primary form: IRS Form 990-N

  9. One Plan Makes Sense Inc

    EIN 273834624 · Headquarters: Denver, CO, US · Unknown & Unclassified · Latest available filing year: 2011 · Primary form: IRS Form 990-N

  10. One Sky One World

    EIN 742503040 · Headquarters: Denver, CO, US · Unknown & Unclassified · Latest available filing year: 2020 · Primary form: IRS Form 990-N

  11. Oneness Care

    EIN 824732837 · Headquarters: Denver, CO, US · Health Care · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  12. Only the Strong Foundation

    EIN 134296015 · Headquarters: Denver, CO, US · Education · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  13. Onward Colorado

    EIN 274482998 · Headquarters: DENVER, CO, US · Unknown & Unclassified · Latest available filing year: 2012 · Primary form: IRS Form 990-N

  14. Open Arms Assisted Living

    EIN 832116721 · Headquarters: Denver, CO, USA · Housing & Shelter · Latest available filing year: 2023 · Primary form: IRS Form 990

  15. Open Arms Youth Empowerment Inc

    EIN 815191532 · Headquarters: Denver, CO, US · Youth Development · Latest available filing year: 2018 · Primary form: IRS Form 990-N

  16. Open Door Youth Gang Alternatives

    EIN 841119355 · Headquarters: Denver, CO, US · Crime & Legal Related · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  17. Open Grove

    EIN 113666333 · Headquarters: Denver, CO, US · Education · Latest available filing year: 2011 · Primary form: IRS Form 990-N

  18. Open Internet Foundation

    EIN 841520728 · Headquarters: Denver, CO, US · Public & Societal Benefit · Latest available filing year: 2012 · Primary form: IRS Form 990-N

  19. Open Media Foundation

    EIN 061727461 · Headquarters: DENVER, CO, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990

  20. Open Up Inc Dba Providence HomeShare Dba Providence HomeShare

    EIN 824086069 · Headquarters: DENVER, CO, USA · Housing & Shelter · Latest available filing year: 2020 · Primary form: IRS Form 990

  21. Open Wave Foundation

    EIN 832233920 · Headquarters: Denver, CO, US · Education · Latest available filing year: 2023 · Primary form: IRS Form 990-N

  22. Opening Act Inc

    EIN 810713315 · Headquarters: Denver, CO, US · Arts, Culture & Humanities · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  23. Openworld Learning

    EIN 841538872 · Headquarters: DENVER, CO, USA · Education · Latest available filing year: 2019 · Primary form: IRS Form 990

  24. Operation Game Thief Inc

    EIN 742188212 · Headquarters: DENVER, CO, USA · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-PF

  25. Operative Plasterers & Cement Masons Health & Welfare Fund

    EIN 866056125 · Headquarters: Denver, CO, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  26. Operative Plasterers & Cement Masons Local Union No 577

    EIN 840164377 · Headquarters: DENVER, CO, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990

  27. Opitz Trigonocephaly Syndrome Family Network Inc

    EIN 203055295 · Headquarters: Denver, CO, US · Diseases, Disorders & Medical Disciplines · Latest available filing year: 2007 · Primary form: IRS Form 990-N

  28. Opportunity Coalition

    EIN 461872573 · Headquarters: Denver, CO, US · Community Improvement & Capacity Building · Latest available filing year: 2020 · Primary form: IRS Form 990-N

  29. Optimist Brain Bowl

    EIN 454195206 · Headquarters: Denver, CO, US · Education · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  30. Optimist International

    EIN 237007759 · Headquarters: Denver, CO, US · Youth Development · Latest available filing year: 2008 · Primary form: IRS Form 990-N

  31. Optimist International

    EIN 237455501 · Headquarters: Denver, CO, US · Youth Development · Latest available filing year: 2008 · Primary form: IRS Form 990-N

  32. Optimist International

    EIN 237455509 · Headquarters: Denver, CO, US · Youth Development · Latest available filing year: 2011 · Primary form: IRS Form 990-N

  33. Optimist International

    EIN 841269821 · Headquarters: Denver, CO, US · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-N

  34. Optimist International

    EIN 846025392 · Headquarters: Denver, CO, US · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-N

  35. Optimist International

    EIN 846025656 · Headquarters: Denver, CO, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  36. Optimist International

    EIN 846029866 · Headquarters: Denver, CO, US · Youth Development · Latest available filing year: 2013 · Primary form: IRS Form 990-N

  37. Optimist International

    EIN 846050511 · Headquarters: Denver, CO, US · Community Improvement & Capacity Building · Latest available filing year: 2016 · Primary form: IRS Form 990-N

  38. Optimist International

    EIN 846060405 · Headquarters: DENVER, CO, US · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-N

  39. Optimist International

    EIN 900762202 · Headquarters: Denver, CO, US · Youth Development · Latest available filing year: 2012 · Primary form: IRS Form 990-N

  40. Optimist International

    EIN 900944443 · Headquarters: Denver, CO, US · Diseases, Disorders & Medical Disciplines · Latest available filing year: 2018 · Primary form: IRS Form 990-N

  41. Optimist International

    EIN 901021719 · Headquarters: Denver, CO, US · Recreation & Sports · Latest available filing year: 2014 · Primary form: IRS Form 990-N

  42. OPTIMIST INTERNATIONAL-Denver Monaco South CO

    EIN 510200090 · Headquarters: Denver, CO, USA · Unknown & Unclassified · Latest available filing year: 2020 · Primary form: IRS Form 990-EZ

  43. Optimusyyouth

    EIN 270880142 · Headquarters: Denver, CO, US · International, Foreign Affairs & National Security · Latest available filing year: 2014 · Primary form: IRS Form 990-N

  44. Options for Animals Corporation

    EIN 311645202 · Headquarters: Denver, CO, US · Animal Related · Latest available filing year: 2023 · Primary form: IRS Form 990-N

  45. Orbis Institute Inc

    EIN 841609946 · Headquarters: DENVER, CO, USA · Youth Development · Latest available filing year: 2025 · Primary form: IRS Form 990-PF

  46. Order of Ahepa

    EIN 840638170 · Headquarters: DENVER, CO, US · Mutual & Membership Benefit · Latest available filing year: 2012 · Primary form: IRS Form 990-N

  47. Order of Eastern Star of Colorado

    EIN 237187436 · Headquarters: Denver, CO, US · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-N

  48. Order of Eastern Star of Colorado

    EIN 562321391 · Headquarters: Denver, CO, US · Unknown & Unclassified · Latest available filing year: 2023 · Primary form: IRS Form 990-N

  49. Order of Sons of Italy in America-2075

    EIN 942496429 · Headquarters: DENVER, CO, USA · Mutual & Membership Benefit · Latest available filing year: 2024 · Primary form: IRS Form 990

  50. Order of the Amaranth Inc Supreme Council

    EIN 237109407 · Headquarters: Denver, CO, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  51. Order of the Eastern Star of Colorado

    EIN 237116276 · Headquarters: Denver, CO, US · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-N

  52. Order of the Eastern Star of Colorado

    EIN 237116833 · Headquarters: Denver, CO, US · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-N

  53. Order of the Eastern Star of Colorado

    EIN 237120286 · Headquarters: DENVER, CO, US · Mutual & Membership Benefit · Latest available filing year: 2012 · Primary form: IRS Form 990-N

  54. Order of the Eastern Star of Colorado

    EIN 237152388 · Headquarters: Denver, CO, US · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-N

  55. Order of the Eastern Star of Colorado

    EIN 237172330 · Headquarters: DENVER, CO, US · Mutual & Membership Benefit · Latest available filing year: 2010 · Primary form: IRS Form 990-N

  56. Order of the Eastern Star of Colorado

    EIN 237187438 · Headquarters: DENVER, CO, US · Mutual & Membership Benefit · Latest available filing year: 2013 · Primary form: IRS Form 990-N

  57. Order of the Eastern Star of Colorado

    EIN 237187439 · Headquarters: Denver, CO, US · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-N

  58. Order of the Eastern Star of Colorado

    EIN 237187711 · Headquarters: DENVER, CO, US · Mutual & Membership Benefit · Latest available filing year: 2011 · Primary form: IRS Form 990-N

  59. Order of the Eastern Star of Colorado

    EIN 237187712 · Headquarters: Denver, CO, US · Mutual & Membership Benefit · Latest available filing year: 2007 · Primary form: IRS Form 990-N

  60. Order of the Eastern Star of Colorado

    EIN 237187895 · Headquarters: Denver, CO, US · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-N

  61. Order of the Eastern Star of Colorado

    EIN 237191486 · Headquarters: Denver, CO, US · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-N

  62. Order of the Eastern Star of Colorado

    EIN 237191870 · Headquarters: Denver, CO, US · Mutual & Membership Benefit · Latest available filing year: 2007 · Primary form: IRS Form 990-N

  63. Order of the Eastern Star of Colorado

    EIN 237192793 · Headquarters: DENVER, CO, US · Mutual & Membership Benefit · Latest available filing year: 2013 · Primary form: IRS Form 990-N

  64. Order of the Eastern Star of Colorado

    EIN 237194735 · Headquarters: Denver, CO, US · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-N

  65. Order of the Eastern Star of Colorado

    EIN 237195331 · Headquarters: DENVER, CO, US · Mutual & Membership Benefit · Latest available filing year: 2010 · Primary form: IRS Form 990-N

  66. Order of the Eastern Star of Colorado

    EIN 237196970 · Headquarters: Denver, CO, US · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-N

  67. Order of the Eastern Star of Colorado

    EIN 237203481 · Headquarters: Denver, CO, US · Mutual & Membership Benefit · Latest available filing year: 2018 · Primary form: IRS Form 990-N

  68. Order of the Eastern Star of Colorado

    EIN 237218061 · Headquarters: Denver, CO, US · Unknown & Unclassified · Latest available filing year: 2020 · Primary form: IRS Form 990-N

  69. Order of the Eastern Star of Colorado

    EIN 237220561 · Headquarters: Denver, CO, US · Mutual & Membership Benefit · Latest available filing year: 2007 · Primary form: IRS Form 990-N

  70. Order of the Eastern Star of Colorado

    EIN 237227202 · Headquarters: Denver, CO, US · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-N

  71. Order of the Eastern Star of Colorado

    EIN 237240973 · Headquarters: Denver, CO, US · Mutual & Membership Benefit · Latest available filing year: 2008 · Primary form: IRS Form 990-N

  72. Order of the Eastern Star of Colorado

    EIN 237583258 · Headquarters: DENVER, CO, US · Mutual & Membership Benefit · Latest available filing year: 2019 · Primary form: IRS Form 990-N

  73. Order of the Eastern Star of Colorado

    EIN 237583272 · Headquarters: Denver, CO, US · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-N

  74. Order of the Eastern Star of Colorado

    EIN 237583279 · Headquarters: DENVER, CO, US · Mutual & Membership Benefit · Latest available filing year: 2019 · Primary form: IRS Form 990-N

  75. Order of the Eastern Star of Colorado

    EIN 237593254 · Headquarters: Denver, CO, US · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-N

  76. Order of the Eastern Star of Colorado

    EIN 320616715 · Headquarters: Denver, CO, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  77. Order of the Eastern Star of Colorado

    EIN 840284772 · Headquarters: Denver, CO, US · Unknown & Unclassified · Latest available filing year: 2023 · Primary form: IRS Form 990-N

  78. Order of the Eastern Star of Colorado

    EIN 840284786 · Headquarters: DENVER, CO, US · Mutual & Membership Benefit · Latest available filing year: 2017 · Primary form: IRS Form 990-N

  79. Order of the Eastern Star of Colorado

    EIN 840284813 · Headquarters: Denver, CO, US · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-N

  80. Order of the Eastern Star of Colorado

    EIN 840284898 · Headquarters: Denver, CO, US · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-N

  81. Order of the Eastern Star of Colorado

    EIN 840284901 · Headquarters: Denver, CO, US · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-N

  82. Order of the Eastern Star of Colorado

    EIN 840465634 · Headquarters: Denver, CO, US · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-N

  83. Order of the Eastern Star of Colorado

    EIN 840570358 · Headquarters: DENVER, CO, US · Mutual & Membership Benefit · Latest available filing year: 2014 · Primary form: IRS Form 990-N

  84. Order of the Eastern Star of Colorado

    EIN 840617812 · Headquarters: Denver, CO, US · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-N

  85. Order of the Eastern Star of Colorado

    EIN 840625312 · Headquarters: Denver, CO, US · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-N

  86. Order of the Eastern Star of Colorado

    EIN 840628584 · Headquarters: DENVER, CO, US · Mutual & Membership Benefit · Latest available filing year: 2010 · Primary form: IRS Form 990-N

  87. Order of the Eastern Star of Colorado

    EIN 840628604 · Headquarters: DENVER, CO, US · Mutual & Membership Benefit · Latest available filing year: 2019 · Primary form: IRS Form 990-N

  88. Order of the Eastern Star of Colorado

    EIN 840629787 · Headquarters: Denver, CO, US · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-N

  89. Order of the Eastern Star of Colorado

    EIN 840632661 · Headquarters: Denver, CO, US · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-N

  90. Order of the Eastern Star of Colorado

    EIN 840633645 · Headquarters: DENVER, CO, US · Mutual & Membership Benefit · Latest available filing year: 2014 · Primary form: IRS Form 990-N

  91. Order of the Eastern Star of Colorado

    EIN 840634008 · Headquarters: DENVER, CO, US · Mutual & Membership Benefit · Latest available filing year: 2014 · Primary form: IRS Form 990-N

  92. Order of the Eastern Star of Colorado

    EIN 840634341 · Headquarters: Denver, CO, US · Unknown & Unclassified · Latest available filing year: 2023 · Primary form: IRS Form 990-N

  93. Order of the Eastern Star of Colorado

    EIN 840910792 · Headquarters: Denver, CO, US · Mutual & Membership Benefit · Latest available filing year: 2007 · Primary form: IRS Form 990-N

  94. Order of the Eastern Star of Colorado

    EIN 846022876 · Headquarters: Denver, CO, US · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-N

  95. Order of the Eastern Star of Colorado

    EIN 846030675 · Headquarters: DENVER, CO, US · Mutual & Membership Benefit · Latest available filing year: 2012 · Primary form: IRS Form 990-N

  96. Order of the Eastern Star of Colorado

    EIN 846034171 · Headquarters: Denver, CO, US · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-N

  97. Order of the Eastern Star of Colorado

    EIN 846036445 · Headquarters: Denver, CO, US · Mutual & Membership Benefit · Latest available filing year: 2007 · Primary form: IRS Form 990-N

  98. Order of the Eastern Star of Colorado

    EIN 846120167 · Headquarters: Denver, CO, US · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-N

  99. Order of the Eastern Star of Colorado

    EIN 900297526 · Headquarters: DENVER, CO, US · Mutual & Membership Benefit · Latest available filing year: 2009 · Primary form: IRS Form 990-N

  100. Order of the Eastern Star of Colorado Grand Chapter

    EIN 840284775 · Headquarters: DENVER, CO, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990

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