Nonprofits in Colorado

Nonprofits in Colorado. Browse 43,681 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. Optimist International

    EIN 742275435 · Headquarters: Steamboat Springs, CO, US · Youth Development · Latest available filing year: 2017 · Primary form: IRS Form 990-N

  2. Optimist International

    EIN 742289853 · Headquarters: BOULDER, CO, US · Youth Development · Latest available filing year: 2013 · Primary form: IRS Form 990-N

  3. Optimist International

    EIN 742302745 · Headquarters: Fort Lupton, CO, US · Unknown & Unclassified · Latest available filing year: 2022 · Primary form: IRS Form 990-N

  4. Optimist International

    EIN 812299650 · Headquarters: Aurora, CO, US · Unknown & Unclassified · Latest available filing year: 2019 · Primary form: IRS Form 990-N

  5. Optimist International

    EIN 824956434 · Headquarters: Westminster, CO, US · Unknown & Unclassified · Latest available filing year: 2022 · Primary form: IRS Form 990-N

  6. Optimist International

    EIN 840765481 · Headquarters: Loveland, CO, US · Youth Development · Latest available filing year: 2008 · Primary form: IRS Form 990-N

  7. Optimist International

    EIN 840765483 · Headquarters: Aurora, CO, US · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-N

  8. Optimist International

    EIN 840765484 · Headquarters: Pueblo, CO, US · Youth Development · Latest available filing year: 2016 · Primary form: IRS Form 990-N

  9. Optimist International

    EIN 841075844 · Headquarters: AURORA, CO, US · Youth Development · Latest available filing year: 2012 · Primary form: IRS Form 990-N

  10. Optimist International

    EIN 841094449 · Headquarters: Thornton, CO, US · Youth Development · Latest available filing year: 2024 · Primary form: IRS Form 990-N

  11. Optimist International

    EIN 841096021 · Headquarters: Arvada, CO, US · Unknown & Unclassified · Latest available filing year: 2020 · Primary form: IRS Form 990-N

  12. Optimist International

    EIN 841111489 · Headquarters: Colorado Springs, CO, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  13. Optimist International

    EIN 841153160 · Headquarters: Littleton, CO, US · Youth Development · Latest available filing year: 2010 · Primary form: IRS Form 990-N

  14. Optimist International

    EIN 841153591 · Headquarters: Alamosa, CO, US · Youth Development · Latest available filing year: 2015 · Primary form: IRS Form 990-N

  15. Optimist International

    EIN 841172653 · Headquarters: Aurora, CO, US · Youth Development · Latest available filing year: 2011 · Primary form: IRS Form 990-N

  16. Optimist International

    EIN 841189028 · Headquarters: Colordo Springs, CO, US · Youth Development · Latest available filing year: 2011 · Primary form: IRS Form 990-N

  17. Optimist International

    EIN 841209435 · Headquarters: Erie, CO, US · Unknown & Unclassified · Latest available filing year: 2023 · Primary form: IRS Form 990-N

  18. Optimist International

    EIN 841210697 · Headquarters: Boulder, CO, US · Youth Development · Latest available filing year: 2014 · Primary form: IRS Form 990-N

  19. Optimist International

    EIN 841239854 · Headquarters: AURORA, CO, US · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-N

  20. Optimist International

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

  21. Optimist International

    EIN 841444495 · Headquarters: Aurora, CO, US · Unknown & Unclassified · Latest available filing year: 2019 · Primary form: IRS Form 990-N

  22. Optimist International

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

  23. Optimist International

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

  24. Optimist International

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

  25. Optimist International

    EIN 846036225 · Headquarters: Ft Collins, CO, US · Youth Development · Latest available filing year: 2010 · Primary form: IRS Form 990-N

  26. Optimist International

    EIN 846036712 · Headquarters: Fort Morgan, CO, US · Unknown & Unclassified · Latest available filing year: 2019 · Primary form: IRS Form 990-N

  27. Optimist International

    EIN 846036714 · Headquarters: morrison, CO, US · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-N

  28. Optimist International

    EIN 846037700 · Headquarters: Littleton, CO, US · Unknown & Unclassified · Latest available filing year: 2023 · Primary form: IRS Form 990-N

  29. Optimist International

    EIN 846037824 · Headquarters: Longmont, CO, US · Unknown & Unclassified · Latest available filing year: 2021 · Primary form: IRS Form 990-N

  30. Optimist International

    EIN 846038000 · Headquarters: Lakewood, CO, US · Youth Development · Latest available filing year: 2009 · Primary form: IRS Form 990-N

  31. Optimist International

    EIN 846038385 · Headquarters: Pueblo, CO, US · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-N

  32. Optimist International

    EIN 846046586 · Headquarters: Arvada, CO, US · Youth Development · Latest available filing year: 2012 · Primary form: IRS Form 990-N

  33. Optimist International

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

  34. Optimist International

    EIN 846050515 · Headquarters: Loveland, CO, US · Youth Development · Latest available filing year: 2019 · Primary form: IRS Form 990-N

  35. Optimist International

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

  36. Optimist International

    EIN 900214940 · Headquarters: GREENWOOD VILLAGE, CO, US · Unknown & Unclassified · Latest available filing year: 2021 · Primary form: IRS Form 990-N

  37. Optimist International

    EIN 900249324 · Headquarters: Castle Rock, CO, US · Youth Development · Latest available filing year: 2012 · Primary form: IRS Form 990-N

  38. Optimist International

    EIN 900487036 · Headquarters: Lakewood, CO, US · Youth Development · Latest available filing year: 2015 · Primary form: IRS Form 990-N

  39. Optimist International

    EIN 900755915 · Headquarters: Bailey, CO, US · Youth Development · Latest available filing year: 2011 · Primary form: IRS Form 990-N

  40. Optimist International

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

  41. Optimist International

    EIN 900894729 · Headquarters: Parker, CO, US · Youth Development · Latest available filing year: 2013 · Primary form: IRS Form 990-N

  42. Optimist International

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

  43. Optimist International

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

  44. 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

  45. Optimum Cares

    EIN 853019050 · Headquarters: PUEBLO WEST, CO, US · Housing & Shelter · Latest available filing year: 2021 · Primary form: IRS Form 990-N

  46. Optimusyyouth

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

  47. Optimystics Citizens Action Network

    EIN 364909962 · Headquarters: Monte Vista, CO, USA · Community Improvement & Capacity Building · Latest available filing year: 2025 · Primary form: IRS Form 990-EZ

  48. Option 23

    EIN 593832089 · Headquarters: Monarch, CO, US · Recreation & Sports · Latest available filing year: 2011 · Primary form: IRS Form 990-N

  49. Options Credit Union

    EIN 840818111 · Headquarters: LITTLETON, CO, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990

  50. Options for Animals Corporation

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

  51. Options for Healthy Living

    EIN 010685736 · Headquarters: Estes Park, CO, US · Health Care · Latest available filing year: 2015 · Primary form: IRS Form 990-N

  52. Options Housing Corporation

    EIN 841509965 · Headquarters: Littleton, CO, US · Housing & Shelter · Latest available filing year: 2024 · Primary form: IRS Form 990-N

  53. Options Inc of Colorado Child Placement Agency

    EIN 841297084 · Headquarters: Colorado Springs, CO, USA · Human Services · Latest available filing year: 2012 · Primary form: IRS Form 990

  54. Optometry Giving Sight

    EIN 270131388 · Headquarters: Golden, CO, USA · Philanthropy, Voluntarism & Grantmaking Foundations · Latest available filing year: 2024 · Primary form: IRS Form 990

  55. Or Chadash New Horizons in Jewish Experience

    EIN 841572763 · Headquarters: AURORA, CO, USA · Philanthropy, Voluntarism & Grantmaking Foundations · Latest available filing year: 2024 · Primary form: IRS Form 990-EZ

  56. Oracle Performance Ensemble

    EIN 264053682 · Headquarters: Arvada, CO, US · Arts, Culture & Humanities · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  57. Oral Health Colorado

    EIN 900137772 · Headquarters: Greenwood Village, CO, US · Health Care · Latest available filing year: 2022 · Primary form: IRS Form 990-N

  58. Orange and Blue Foundation

    EIN 460907384 · Headquarters: Englewood, CO, USA · Philanthropy, Voluntarism & Grantmaking Foundations · Latest available filing year: 2017 · Primary form: IRS Form 990-PF

  59. Orange Door Community Wellness Inc

    EIN 920610362 · Headquarters: Grand Junction, CO, US · Human Services · Latest available filing year: 2024 · Primary form: IRS Form 990-N

  60. Orange Heart Movement Inc

    EIN 882258646 · Headquarters: Littleton, CO, US · Mental Health & Crisis Intervention · Latest available filing year: 2023 · Primary form: IRS Form 990-N

  61. Orange Vaders Future for the Kids Foundation

    EIN 812733245 · Headquarters: NORTHGLENN, CO, US · Recreation & Sports · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  62. Oratorio Society of Estes Park

    EIN 841100966 · Headquarters: ESTES PARK, CO, US · Human Services · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  63. Orbis Institute Inc

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

  64. Orbiter Project

    EIN 831251580 · Headquarters: PARKER, CO, US · Education · Latest available filing year: 2023 · Primary form: IRS Form 990-N

  65. Orchard Grove Conservancy

    EIN 262981573 · Headquarters: Boulder, CO, US · Housing & Shelter · Latest available filing year: 2011 · Primary form: IRS Form 990-N

  66. Orchard Mesa Gun Club Inc

    EIN 846038297 · Headquarters: Grand Junction, CO, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  67. Orchard of Hope Foundation

    EIN 841585838 · Headquarters: Canon City, CO, USA · Philanthropy, Voluntarism & Grantmaking Foundations · Latest available filing year: 2024 · Primary form: IRS Form 990

  68. Orchard Park Water Users Association

    EIN 841309727 · Headquarters: Avondale, CO, US · Mutual & Membership Benefit · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  69. Orchard Ranch Ditch Company

    EIN 841493409 · Headquarters: Cedaredge, CO, US · Public Safety, Disaster Preparedness & Relief · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  70. Orchard Schole Corporation

    EIN 994491473 · Headquarters: Centennial, CO, US · Education · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  71. Orchid Mental Health Legal Advocacy of Colorado Inc

    EIN 463620543 · Headquarters: Littleton, CO, US · Civil Rights, Social Action & Advocacy · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  72. Order of Ahepa

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

  73. Order of Amaranth Inc

    EIN 237614212 · Headquarters: Lakewood, CO, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  74. Order of Daedalians Flight Ii Inc

    EIN 841310366 · Headquarters: Colorado Springs, CO, US · Public & Societal Benefit · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  75. 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

  76. 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

  77. Order of Sons of Italy Colorado Foundation

    EIN 753150456 · Headquarters: WHEAT RIDGE, CO, US · Education · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  78. 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

  79. Order of the Amaranth Inc

    EIN 237614131 · Headquarters: Aurora, CO, US · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-N

  80. Order of the Amaranth Inc

    EIN 237614556 · Headquarters: Northglenn, CO, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  81. Order of the Amaranth Inc

    EIN 840891856 · Headquarters: Northglenn, CO, US · Mutual & Membership Benefit · Latest available filing year: 2012 · Primary form: IRS Form 990-N

  82. 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

  83. Order of the Amaranth Inc Supreme Council

    EIN 237614122 · Headquarters: Lakewood, CO, US · Crime & Legal Related · Latest available filing year: 2010 · Primary form: IRS Form 990-N

  84. Order of the Amaranth Inc Supreme Council

    EIN 237614125 · Headquarters: Golden, CO, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  85. Order of the Amaranth Inc Supreme Council

    EIN 237614128 · Headquarters: Lafayette, CO, US · Crime & Legal Related · Latest available filing year: 2008 · Primary form: IRS Form 990-N

  86. Order of the Amaranth Inc Supreme Council

    EIN 237614130 · Headquarters: GOLDEN, CO, US · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-N

  87. Order of the Amaranth Inc Supreme Council

    EIN 237614132 · Headquarters: Monument, CO, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  88. Order of the Amaranth Inc Supreme Council

    EIN 237614134 · Headquarters: Greeley, CO, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  89. Order of the Amaranth Inc Supreme Council

    EIN 237614136 · Headquarters: Colorado Springs, CO, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  90. Order of the Amaranth Inc Supreme Council

    EIN 815226650 · Headquarters: Pueblo, CO, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  91. Order of the Azure Rose

    EIN 264695232 · Headquarters: Grand Junction, CO, US · Arts, Culture & Humanities · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  92. 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

  93. 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

  94. 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

  95. 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

  96. 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

  97. 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

  98. 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

  99. 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

  100. 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

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