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. Open Incline

    EIN 843224647 · Headquarters: ARVADA, CO, USA · Education · Latest available filing year: 2019 · Primary form: IRS Form 990-PF

  2. Open Internet Foundation

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

  3. Open Media Foundation

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

  4. Open Mind Project

    EIN 461444096 · Headquarters: SNOWMASS, CO, USA · Arts, Culture & Humanities · Latest available filing year: 2024 · Primary form: IRS Form 990-PF

  5. Open Mobile Video Coalition Inc

    EIN 261520827 · Headquarters: PARKER, CO, USA · Arts, Culture & Humanities · Latest available filing year: 2011 · Primary form: IRS Form 990

  6. Open Pathology Education Network

    EIN 883023807 · Headquarters: Centennial, CO, US · Education · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  7. Open Range Ministries Inc

    EIN 453077170 · Headquarters: Colorado City, CO, USA · Religion Related · Latest available filing year: 2016 · Primary form: IRS Form 990-EZ

  8. Open Sanctuary Project Inc

    EIN 832139828 · Headquarters: Niwot, CO, USA · Animal Related · Latest available filing year: 2024 · Primary form: IRS Form 990

  9. Open Source Citizen Control of Colorado

    EIN 474082607 · Headquarters: Eagle, CO, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  10. Open Source Citizen Control of the United States of America

    EIN 474071795 · Headquarters: Eagle, CO, US · Religion Related · Latest available filing year: 2024 · Primary form: IRS Form 990-N

  11. Open Source Hardware Association

    EIN 455524560 · Headquarters: BOULDER, CO, USA · Human Services · Latest available filing year: 2024 · Primary form: IRS Form 990

  12. Open Space Protection Alliance

    EIN 853701204 · Headquarters: Longmont, CO, US · Environment · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  13. Open Studios Inc

    EIN 841305449 · Headquarters: Boulder, CO, USA · Arts, Culture & Humanities · Latest available filing year: 2024 · Primary form: IRS Form 990

  14. Open Tech International

    EIN 392182664 · Headquarters: Boulder, CO, US · International, Foreign Affairs & National Security · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  15. 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

  16. Open Water Foundation

    EIN 462676240 · Headquarters: FORT COLLINS, CO, USA · Environment · Latest available filing year: 2024 · Primary form: IRS Form 990

  17. Open Wave Foundation

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

  18. Open World Cause

    EIN 473671598 · Headquarters: AURORA, CO, US · Human Services · Latest available filing year: 2023 · Primary form: IRS Form 990-N

  19. Opencolorado

    EIN 273410645 · Headquarters: LITTLETON, CO, US · Unknown & Unclassified · Latest available filing year: 2016 · Primary form: IRS Form 990-N

  20. Opened Gates Ministries

    EIN 043742971 · Headquarters: Colorado Springs, CO, US · Human Services · Latest available filing year: 2008 · Primary form: IRS Form 990-N

  21. Opening Act Inc

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

  22. Opening the Way

    EIN 333119657 · Headquarters: Cedaredge, CO, US · Education · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  23. OpenStage Theatre and Co Inc

    EIN 840808350 · Headquarters: Fort Collins, CO, USA · Arts, Culture & Humanities · Latest available filing year: 2024 · Primary form: IRS Form 990

  24. Openworld Learning

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

  25. Opera Colorado

    EIN 840850527 · Headquarters: ENGLEWOOD, CO, USA · Arts, Culture & Humanities · Latest available filing year: 2024 · Primary form: IRS Form 990

  26. Opera Colorado Foundation

    EIN 841287161 · Headquarters: ENGLEWOOD, CO, USA · Philanthropy, Voluntarism & Grantmaking Foundations · Latest available filing year: 2024 · Primary form: IRS Form 990

  27. Opera Fort Collins Guild

    EIN 841560482 · Headquarters: Fort Collins, CO, US · Philanthropy, Voluntarism & Grantmaking Foundations · Latest available filing year: 2022 · Primary form: IRS Form 990-N

  28. Opera Fort Collins Inc

    EIN 841183179 · Headquarters: FORT COLLINS, CO, USA · Arts, Culture & Humanities · Latest available filing year: 2024 · Primary form: IRS Form 990-EZ

  29. Opera Steamboat

    EIN 721520777 · Headquarters: Steamboat Springs, CO, US · Arts, Culture & Humanities · Latest available filing year: 2024 · Primary form: IRS Form 990

  30. Opera Theatre of the Rockies

    EIN 841476734 · Headquarters: Colorado Springs, CO, USA · Arts, Culture & Humanities · Latest available filing year: 2023 · Primary form: IRS Form 990-EZ

  31. Operating Engineers HW Fund for Colorado Trust Fund for Colorado

    EIN 237036156 · Headquarters: Arvada, CO, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990

  32. Operating Engineers Local #1

    EIN 840235478 · Headquarters: BROOMFIELD, CO, USA · Employment · Latest available filing year: 2024 · Primary form: IRS Form 990

  33. Operation Battle Scars

    EIN 831914507 · Headquarters: Peyton, CO, US · Human Services · Latest available filing year: 2020 · Primary form: IRS Form 990-N

  34. Operation Birthday Incorporated

    EIN 870863177 · Headquarters: Louisville, CO, USA · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-EZ

  35. Operation Christmas Giving Back

    EIN 882564382 · Headquarters: Peyton, CO, US · Philanthropy, Voluntarism & Grantmaking Foundations · Latest available filing year: 2022 · Primary form: IRS Form 990-N

  36. Operation Circle Back

    EIN 934949481 · Headquarters: Centennial, CO, US · Mental Health & Crisis Intervention · Latest available filing year: 2024 · Primary form: IRS Form 990-N

  37. Operation Enduro Freedom Corp

    EIN 851166518 · Headquarters: Morrison, CO, US · Recreation & Sports · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  38. Operation Equine Inc

    EIN 833181981 · Headquarters: BOULDER, CO, USA · Mental Health & Crisis Intervention · Latest available filing year: 2024 · Primary form: IRS Form 990-EZ

  39. Operation Fayth

    EIN 932782150 · Headquarters: Brighton, CO, USA · Human Services · Latest available filing year: 2024 · Primary form: IRS Form 990-EZ

  40. Operation for Freedom Inc

    EIN 863408155 · Headquarters: FRUITA, CO, USA · Human Services · Latest available filing year: 2024 · Primary form: IRS Form 990-EZ

  41. Operation Foster Hope

    EIN 931823577 · Headquarters: Firestone, CO, US · Human Services · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  42. Operation Game Thief Inc

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

  43. Operation Harvest Inc

    EIN 270026907 · Headquarters: Colorado Springs, CO, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  44. Operation House Blanket

    EIN 331452168 · Headquarters: Eagle, CO, USA · Human Services · Latest available filing year: 2025 · Primary form: IRS Form 990-EZ

  45. Operation Hug

    EIN 203694532 · Headquarters: Golden, CO, US · Human Services · Latest available filing year: 2009 · Primary form: IRS Form 990-N

  46. Operation I Can Take It from Here

    EIN 992175967 · Headquarters: AURORA, CO, US · Mental Health & Crisis Intervention · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  47. Operation Interdependence

    EIN 421566882 · Headquarters: GRAND JUNCTION, CO, USA · Public & Societal Benefit · Latest available filing year: 2024 · Primary form: IRS Form 990-EZ

  48. Operation Mercy Ministries

    EIN 300589849 · Headquarters: PUEBLO, CO, USA · International, Foreign Affairs & National Security · Latest available filing year: 2024 · Primary form: IRS Form 990-EZ

  49. Operation Military Stockings

    EIN 880646708 · Headquarters: MEAD, CO, US · Public & Societal Benefit · Latest available filing year: 2023 · Primary form: IRS Form 990-N

  50. Operation OutreachTeen Breakfast Clubs

    EIN 840887051 · Headquarters: Evergreen, CO, US · Religion Related · Latest available filing year: 2024 · Primary form: IRS Form 990-N

  51. Operation Phat

    EIN 833382713 · Headquarters: Ramah, CO, US · Food, Agriculture & Nutrition · Latest available filing year: 2020 · Primary form: IRS Form 990-N

  52. Operation Purple Colorado

    EIN 208990727 · Headquarters: Aurora, CO, US · Youth Development · Latest available filing year: 2009 · Primary form: IRS Form 990-N

  53. Operation Rehydration Inc

    EIN 842290632 · Headquarters: CASTLE ROCK, CO, US · Public Safety, Disaster Preparedness & Relief · Latest available filing year: 2022 · Primary form: IRS Form 990-N

  54. Operation Revamp Inc

    EIN 273262040 · Headquarters: Grand Junction, CO, USA · Education · Latest available filing year: 2024 · Primary form: IRS Form 990

  55. Operation Secondhand Paws

    EIN 851151058 · Headquarters: Aurora, CO, US · Animal Related · Latest available filing year: 2020 · Primary form: IRS Form 990-N

  56. Operation Stand Tall Against Tbi

    EIN 473459818 · Headquarters: CALHAN, CO, US · Human Services · Latest available filing year: 2024 · Primary form: IRS Form 990-N

  57. Operation Sweet Tooth Inc

    EIN 203675469 · Headquarters: Montrose, CO, US · Public & Societal Benefit · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  58. Operation Tender Heart

    EIN 800333138 · Headquarters: Johnstown, CO, US · Human Services · Latest available filing year: 2020 · Primary form: IRS Form 990-N

  59. Operation Uplift

    EIN 752122638 · Headquarters: WESTCLIFFE, CO, USA · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-EZ

  60. Operation Walker Run

    EIN 260902498 · Headquarters: Aurora, CO, US · Health Care · Latest available filing year: 2024 · Primary form: IRS Form 990-N

  61. Operation Warmheart

    EIN 333724781 · Headquarters: Aurora, CO, US · Public & Societal Benefit · Latest available filing year: 2024 · Primary form: IRS Form 990-N

  62. Operation Watch Over

    EIN 994874363 · Headquarters: Divide, CO, US · Public & Societal Benefit · Latest available filing year: 2024 · Primary form: IRS Form 990-N

  63. Operation Wild Step

    EIN 393287089 · Headquarters: Colorado Springs, CO, US · Human Services · Latest available filing year: 2024 · Primary form: IRS Form 990-N

  64. 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

  65. 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

  66. Opitz G-bbb Family Network Inc

    EIN 841547021 · Headquarters: Grand Lake, CO, US · Philanthropy, Voluntarism & Grantmaking Foundations · Latest available filing year: 2018 · Primary form: IRS Form 990-N

  67. 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

  68. Opportunities for Burn Survivors Inc

    EIN 651260424 · Headquarters: estes park, CO, US · Human Services · Latest available filing year: 2013 · Primary form: IRS Form 990-N

  69. Opportunity Coalition

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

  70. Opportunity Education Foundation

    EIN 203244541 · Headquarters: Littleton, CO, USA · International, Foreign Affairs & National Security · Latest available filing year: 2024 · Primary form: IRS Form 990-PF

  71. Opportunity Education Network

    EIN 992963352 · Headquarters: Littleton, CO, USA · Education · Latest available filing year: 2024 · Primary form: IRS Form 990

  72. Opportunity in Living

    EIN 311629436 · Headquarters: Centennial, CO, US · Human Services · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  73. Opportunity In Living Residential Services Inc

    EIN 264087725 · Headquarters: Centennial, CO, USA · Health Care · Latest available filing year: 2025 · Primary form: IRS Form 990

  74. Opportunity One

    EIN 811078177 · Headquarters: Lakewood, CO, US · Human Services · Latest available filing year: 2021 · Primary form: IRS Form 990-N

  75. Opportunity Shop

    EIN 454228798 · Headquarters: Gunnison, CO, US · Human Services · Latest available filing year: 2023 · Primary form: IRS Form 990-N

  76. Opportunity Tree

    EIN 453714671 · Headquarters: Longmont, CO, US · Education · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  77. Ops Association

    EIN 994089745 · Headquarters: Aurora, CO, US · Science & Technology · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  78. Optical Society of America Student Chapter at Cu Boulder

    EIN 464933784 · Headquarters: Boulder, CO, US · Unknown & Unclassified · Latest available filing year: 2019 · Primary form: IRS Form 990-N

  79. Optimal Innovation Group

    EIN 862521945 · Headquarters: Golden, CO, US · Human Services · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  80. Optimist Brain Bowl

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

  81. Optimist Club of Arvada Scholarship Endowment Fund

    EIN 841527105 · Headquarters: Arvada, CO, US · Education · Latest available filing year: 2009 · Primary form: IRS Form 990-N

  82. Optimist Club of Wheat Ridge

    EIN 846035965 · Headquarters: Lakewood, CO, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-EZ

  83. Optimist International

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

  84. Optimist International

    EIN 237007760 · Headquarters: Brighton, CO, US · Human Services · Latest available filing year: 2024 · Primary form: IRS Form 990-N

  85. Optimist International

    EIN 237007772 · Headquarters: Boulder, CO, US · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-N

  86. Optimist International

    EIN 237033783 · Headquarters: Lakewood, CO, US · Youth Development · Latest available filing year: 2014 · Primary form: IRS Form 990-N

  87. Optimist International

    EIN 237068526 · Headquarters: Boulder, CO, US · Youth Development · Latest available filing year: 2009 · Primary form: IRS Form 990-N

  88. Optimist International

    EIN 237152527 · Headquarters: Golden, CO, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  89. Optimist International

    EIN 237236006 · Headquarters: DILLON, CO, US · Youth Development · Latest available filing year: 2017 · Primary form: IRS Form 990-N

  90. Optimist International

    EIN 237281163 · Headquarters: Windsor, CO, US · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-N

  91. Optimist International

    EIN 237423450 · Headquarters: Broomfield, CO, US · Youth Development · Latest available filing year: 2013 · Primary form: IRS Form 990-N

  92. Optimist International

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

  93. Optimist International

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

  94. Optimist International

    EIN 364120128 · Headquarters: Longmont, CO, US · Youth Development · Latest available filing year: 2013 · Primary form: IRS Form 990-N

  95. Optimist International

    EIN 510192523 · Headquarters: Lafayette, CO, US · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-N

  96. Optimist International

    EIN 510212894 · Headquarters: wheat ridge, CO, US · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-N

  97. Optimist International

    EIN 510218877 · Headquarters: Fort Morgan, CO, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  98. Optimist International

    EIN 510219158 · Headquarters: GREELEY, CO, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-EZ

  99. Optimist International

    EIN 611427119 · Headquarters: Centennial, CO, US · Unknown & Unclassified · Latest available filing year: 2019 · Primary form: IRS Form 990-N

  100. Optimist International

    EIN 742158736 · Headquarters: longmont, CO, US · Youth Development · Latest available filing year: 2014 · Primary form: IRS Form 990-N

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