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. American Postal Workers Union

    EIN 237342517 · Headquarters: Aurora, CO, US · Employment · Latest available filing year: 2013 · Primary form: IRS Form 990-N

  2. American Postal Workers Union

    EIN 237342659 · Headquarters: Aurora, CO, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  3. American Postal Workers Union

    EIN 510157845 · Headquarters: DENVER, CO, USA · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-EZ

  4. American Postal Workers Union

    EIN 840568501 · Headquarters: AURORA, CO, USA · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-EZ

  5. American Postal Workers Union

    EIN 840611132 · Headquarters: Colorado Springs, CO, USA · Employment · Latest available filing year: 2015 · Primary form: IRS Form 990-EZ

  6. American Postal Workers Union

    EIN 840865789 · Headquarters: Grand Junction, CO, USA · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-EZ

  7. American Postal Workers Union

    EIN 840879201 · Headquarters: Pueblo, CO, USA · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-EZ

  8. American Postal Workers Union

    EIN 846050875 · Headquarters: Littleton, CO, US · Unknown & Unclassified · Latest available filing year: 2023 · Primary form: IRS Form 990-N

  9. American Postal Workers Union 229

    EIN 840441436 · Headquarters: Aurora, CO, USA · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990

  10. American Postal Workers Union Auxiliary

    EIN 521364143 · Headquarters: Grand Junction, CO, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  11. American Postal Workers Union Auxiliary

    EIN 846041779 · Headquarters: Grand Junction, CO, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  12. American Production & Inventory Control Society Of Colorado

    EIN 840820326 · Headquarters: Denver, CO, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990

  13. American Production & Inventory Control Society Pikes Peak Chapter

    EIN 840804726 · Headquarters: Colorado Springs, CO, US · Unknown & Unclassified · Latest available filing year: 2019 · Primary form: IRS Form 990-N

  14. American Production and Inventory Control Society

    EIN 742141058 · Headquarters: BOULDER, CO, USA · Unknown & Unclassified · Latest available filing year: 2023 · Primary form: IRS Form 990-EZ

  15. American Railroad Preservation Foundation Inc

    EIN 650935901 · Headquarters: Durango, CO, US · Arts, Culture & Humanities · Latest available filing year: 2023 · Primary form: IRS Form 990-N

  16. American Reef Coalition Inc

    EIN 300112665 · Headquarters: Bayfield, CO, US · Science & Technology · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  17. American Reformed School Association

    EIN 841250384 · Headquarters: Westminster, CO, US · Education · Latest available filing year: 2010 · Primary form: IRS Form 990-N

  18. American Rental Association

    EIN 841161896 · Headquarters: Greeley, CO, US · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-N

  19. American Rock Mechanics Association

    EIN 541758092 · Headquarters: EATON, CO, USA · Community Improvement & Capacity Building · Latest available filing year: 2025 · Primary form: IRS Form 990

  20. American Rock Mechanics Association Arma Foundation

    EIN 541758091 · Headquarters: EATON, CO, USA · Science & Technology · Latest available filing year: 2025 · Primary form: IRS Form 990

  21. American Rose Society

    EIN 237245656 · Headquarters: Denver, CO, US · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-N

  22. American Rose Society

    EIN 352363415 · Headquarters: COLORADO SPRINGS, CO, USA · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990

  23. American Rose Society

    EIN 581782976 · Headquarters: Longmont, CO, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  24. American Rose Society

    EIN 581783035 · Headquarters: Durango, CO, US · Environment · Latest available filing year: 2012 · Primary form: IRS Form 990-N

  25. American Rose Society

    EIN 581783658 · Headquarters: Loveland, CO, US · Environment · Latest available filing year: 2015 · Primary form: IRS Form 990-N

  26. American Rose Society

    EIN 752980868 · Headquarters: Grand Junction, CO, US · Environment · Latest available filing year: 2010 · Primary form: IRS Form 990-N

  27. American S Faith and Freedoms

    EIN 205105841 · Headquarters: aurora, CO, US · Unknown & Unclassified · Latest available filing year: 2013 · Primary form: IRS Form 990-N

  28. American S Freedoms

    EIN 204879533 · Headquarters: Fort Collins, CO, US · Unknown & Unclassified · Latest available filing year: 2015 · Primary form: IRS Form 990-N

  29. American Saddlemakers Association Inc

    EIN 223883292 · Headquarters: BLACK FOREST, CO, US · Recreation & Sports · Latest available filing year: 2013 · Primary form: IRS Form 990-N

  30. American Safe Climbing Association

    EIN 680419449 · Headquarters: Boulder, CO, USA · Recreation & Sports · Latest available filing year: 2025 · Primary form: IRS Form 990

  31. American Scholastic Climbing League

    EIN 831827295 · Headquarters: Centennial, CO, USA · Recreation & Sports · Latest available filing year: 2025 · Primary form: IRS Form 990-EZ

  32. American Scientific Glassblowers Society

    EIN 510096024 · Headquarters: Eaton, CO, USA · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-EZ

  33. American Senior Health Education Foundation

    EIN 872306402 · Headquarters: Parker, CO, US · Human Services · Latest available filing year: 2024 · Primary form: IRS Form 990-N

  34. American Servicemembers Amateur Sports Inc US Military Endurance Sports

    EIN 273211191 · Headquarters: Boulder, CO, USA · Recreation & Sports · Latest available filing year: 2021 · Primary form: IRS Form 990

  35. American Sheep and Goat Center

    EIN 205375577 · Headquarters: CENTENNIAL, CO, USA · Animal Related · Latest available filing year: 2012 · Primary form: IRS Form 990

  36. American Sheep Industry Association Inc

    EIN 840449271 · Headquarters: CENTENNIAL, CO, USA · Unknown & Unclassified · Latest available filing year: 2023 · Primary form: IRS Form 990

  37. American Snowsports Education Association

    EIN 416046975 · Headquarters: LAKEWOOD, CO, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990

  38. American Snowsports Education Association - Education Foundation

    EIN 237191019 · Headquarters: LAKEWOOD, CO, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-T

  39. American Society for Clinical Lab Science Reg VIII

    EIN 237082497 · Headquarters: Fort Collins, CO, USA · Health Care · Latest available filing year: 2022 · Primary form: IRS Form 990-EZ

  40. American Society for Indexing

    EIN 263892989 · Headquarters: Canon City, CO, US · Community Improvement & Capacity Building · Latest available filing year: 2010 · Primary form: IRS Form 990-N

  41. American Society for the Advancement of Project Management

    EIN 841588072 · Headquarters: Denver, CO, USA · Community Improvement & Capacity Building · Latest available filing year: 2025 · Primary form: IRS Form 990-EZ

  42. American Society for the Training and Development

    EIN 541537461 · Headquarters: Fort Collins, CO, US · Community Improvement & Capacity Building · Latest available filing year: 2022 · Primary form: IRS Form 990-N

  43. American Society for Training and Development

    EIN 510222880 · Headquarters: Denver, CO, US · Employment · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  44. American Society of Addiction Medicine Inc

    EIN 208077354 · Headquarters: Englewood, CO, US · Mental Health & Crisis Intervention · Latest available filing year: 2007 · Primary form: IRS Form 990-N

  45. American Society of Appraisers

    EIN 521343668 · Headquarters: Parker, CO, US · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-N

  46. American Society of Farm Managers and Rural Appraisers Inc

    EIN 362443304 · Headquarters: GLENDALE, CO, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990

  47. American Society of Heating Refrigerating & A-c Engineers

    EIN 841108560 · Headquarters: Colorado Springs, CO, US · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-N

  48. American Society of Heating Refrigerating & A-c Engineers

    EIN 846117378 · Headquarters: Golden, CO, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990

  49. American Society of Home Inspectors

    EIN 841031847 · Headquarters: Denver, CO, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  50. American Society of Interior Designers Colorado Chapter

    EIN 237417538 · Headquarters: ARVADA, CO, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-EZ

  51. American Society of Media Photographers Inc

    EIN 222912482 · Headquarters: Denver, CO, US · Arts, Culture & Humanities · Latest available filing year: 2014 · Primary form: IRS Form 990-N

  52. American Society of Military Comptrollers

    EIN 510169591 · Headquarters: Aurora, CO, US · Education · Latest available filing year: 2010 · Primary form: IRS Form 990-N

  53. American Society of Plumbing Engineers

    EIN 841391812 · Headquarters: Larkspur, CO, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  54. American Society of Professional Estimators Denver Chapter Inc

    EIN 461752743 · Headquarters: PARKER, CO, US · Community Improvement & Capacity Building · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  55. American Society of Radiologic Technologists

    EIN 203606419 · Headquarters: Grand Junction, CO, US · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-N

  56. American Society of Radiologic Technologists

    EIN 841295345 · Headquarters: Thornton, CO, US · Science & Technology · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  57. American Society of Sugar Beet Technologists

    EIN 840925056 · Headquarters: FORT COLLINS, CO, USA · Food, Agriculture & Nutrition · Latest available filing year: 2025 · Primary form: IRS Form 990

  58. American Society of Veterinary Journalists

    EIN 271045213 · Headquarters: Peyton, CO, US · Community Improvement & Capacity Building · Latest available filing year: 2022 · Primary form: IRS Form 990-N

  59. American Solar Energy Society Inc

    EIN 591768923 · Headquarters: BOULDER, CO, USA · Environment · Latest available filing year: 2025 · Primary form: IRS Form 990

  60. American Sportsman Fraternal Ord

    EIN 200539331 · Headquarters: FORT COLLINS, CO, USA · Unknown & Unclassified · Latest available filing year: 2023 · Primary form: IRS Form 990-EZ

  61. American Staffing Association

    EIN 742116412 · Headquarters: Loveland, CO, US · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-N

  62. American Statistical Association

    EIN 521665928 · Headquarters: Denver, CO, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  63. American Stem Academy

    EIN 823176334 · Headquarters: AURORA, CO, USA · Education · Latest available filing year: 2024 · Primary form: IRS Form 990-EZ

  64. American String Teachers Association Incorporated

    EIN 846049603 · Headquarters: Denver, CO, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  65. American Student Dental Association

    EIN 352307719 · Headquarters: AURORA, CO, USA · Education · Latest available filing year: 2025 · Primary form: IRS Form 990-EZ

  66. American Subcontractors Association

    EIN 840639802 · Headquarters: GOLDEN, CO, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990

  67. American Sudanese Charitable Alliance

    EIN 208234807 · Headquarters: Denver, CO, US · Arts, Culture & Humanities · Latest available filing year: 2012 · Primary form: IRS Form 990-N

  68. American Suntanning Association Inc

    EIN 461279712 · Headquarters: LITTLETON, CO, USA · Community Improvement & Capacity Building · Latest available filing year: 2024 · Primary form: IRS Form 990

  69. American Tai Chi Academy Inc

    EIN 872902352 · Headquarters: Denver, CO, US · Religion Related · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  70. American Theatre Organ Society Rocky Mountain Chapter

    EIN 237303707 · Headquarters: Loveland, CO, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  71. American Thoracic Society Inc

    EIN 800659995 · Headquarters: Denver, CO, US · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-N

  72. American Transparency Project Inc a 501C3 Nonprofit

    EIN 413210080 · Headquarters: Denver, CO, US · Civil Rights, Social Action & Advocacy · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  73. American Vaulting Association

    EIN 271000063 · Headquarters: GOLDEN, CO, US · Recreation & Sports · Latest available filing year: 2014 · Primary form: IRS Form 990-N

  74. American Vaulting Association

    EIN 271222882 · Headquarters: Loveland, CO, US · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-N

  75. American Vaulting Association

    EIN 272441297 · Headquarters: Fort Lupton, CO, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  76. American Vaulting Association

    EIN 371846473 · Headquarters: Castle Rock, CO, US · Unknown & Unclassified · Latest available filing year: 2019 · Primary form: IRS Form 990-N

  77. American Vaulting Association

    EIN 464709432 · Headquarters: Grand Junction, CO, US · Recreation & Sports · Latest available filing year: 2015 · Primary form: IRS Form 990-N

  78. American Vaulting Association

    EIN 465180537 · Headquarters: Parker, CO, US · Recreation & Sports · Latest available filing year: 2015 · Primary form: IRS Form 990-N

  79. American Vaulting Association

    EIN 471273406 · Headquarters: Arvada, CO, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  80. American Vaulting Association

    EIN 813350406 · Headquarters: Loveland, CO, US · Recreation & Sports · Latest available filing year: 2024 · Primary form: IRS Form 990-N

  81. American Vaulting Association

    EIN 844501594 · Headquarters: Greeley, CO, US · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-N

  82. American Veterans Memorial Museum

    EIN 920076859 · Headquarters: Denver, CO, US · Arts, Culture & Humanities · Latest available filing year: 2009 · Primary form: IRS Form 990-N

  83. American Volkssport Association Inc

    EIN 202020663 · Headquarters: Colorado Springs, CO, US · Recreation & Sports · Latest available filing year: 2024 · Primary form: IRS Form 990-N

  84. American Volkssport Association Inc

    EIN 260098059 · Headquarters: Pueblo, CO, US · Recreation & Sports · Latest available filing year: 2017 · Primary form: IRS Form 990-N

  85. American Volkssport Association Inc

    EIN 841142497 · Headquarters: Colorado Springs, CO, US · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-N

  86. American Volkssport Association Inc

    EIN 841143440 · Headquarters: BOULDER, CO, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  87. American Volkssport Association Inc

    EIN 841347869 · Headquarters: Fort Collins, CO, US · Recreation & Sports · Latest available filing year: 2019 · Primary form: IRS Form 990-N

  88. American Volkssport Association Inc

    EIN 841535937 · Headquarters: Edgewater, CO, US · Recreation & Sports · Latest available filing year: 2018 · Primary form: IRS Form 990-N

  89. American War Heroes Inc

    EIN 204919355 · Headquarters: COMMERCE CITY, CO, US · Employment · Latest available filing year: 2024 · Primary form: IRS Form 990-N

  90. American Water Resources Association Colorado Section

    EIN 840979724 · Headquarters: Denver, CO, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  91. American Water Works Association

    EIN 135660277 · Headquarters: Denver, CO, USA · Public & Societal Benefit · Latest available filing year: 2024 · Primary form: IRS Form 990

  92. American Water Works Association Rocky Mountain Section

    EIN 237026165 · Headquarters: Denver, CO, USA · Public & Societal Benefit · Latest available filing year: 2025 · Primary form: IRS Form 990

  93. American Wheelchair Bowling Association Inc

    EIN 591161641 · Headquarters: Thornton, CO, US · Human Services · Latest available filing year: 2024 · Primary form: IRS Form 990-N

  94. American Wine Society

    EIN 872209049 · Headquarters: Louisville, CO, US · Unknown & Unclassified · Latest available filing year: 2022 · Primary form: IRS Form 990-N

  95. American Wine Society of Colorado Springs

    EIN 472965714 · Headquarters: Colorado Springs, CO, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  96. American Wounded Veterans Foundation

    EIN 473428571 · Headquarters: Parker, CO, USA · Public & Societal Benefit · Latest available filing year: 2023 · Primary form: IRS Form 990-EZ

  97. American Youth Hostels Inc

    EIN 742147266 · Headquarters: Centennial, CO, US · Housing & Shelter · Latest available filing year: 2007 · Primary form: IRS Form 990-N

  98. Americana Legacy Foundation

    EIN 842306689 · Headquarters: Wellington, CO, US · Public & Societal Benefit · Latest available filing year: 2021 · Primary form: IRS Form 990-N

  99. Americans Back in Charge Committee

    EIN 742638219 · Headquarters: CONIFER, CO, USA · Diseases, Disorders & Medical Disciplines · Latest available filing year: 2017 · Primary form: IRS Form 990-EZ

  100. Americans for America

    EIN 812349353 · Headquarters: CENTENNIAL, CO, USA · Philanthropy, Voluntarism & Grantmaking Foundations · Latest available filing year: 2020 · Primary form: IRS Form 990

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