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. International Lung Cancer Foundation

    EIN 843360404 · Headquarters: DENVER, CO, USA · Diseases, Disorders & Medical Disciplines · Latest available filing year: 2022 · Primary form: IRS Form 990

  2. International Mead Association

    EIN 562485513 · Headquarters: BOULDER, CO, US · Community Improvement & Capacity Building · Latest available filing year: 2008 · Primary form: IRS Form 990-N

  3. International Medical Relief

    EIN 460494595 · Headquarters: LOVELAND, CO, USA · Health Care · Latest available filing year: 2024 · Primary form: IRS Form 990

  4. International Midwife Assistance Inc

    EIN 101180860 · Headquarters: BOULDER, CO, USA · Health Care · Latest available filing year: 2024 · Primary form: IRS Form 990

  5. International Ministry of Christ

    EIN 844231399 · Headquarters: Arvada, CO, US · Religion Related · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  6. International Mountain Bicycling Association

    EIN 465553468 · Headquarters: Silverton, CO, US · Recreation & Sports · Latest available filing year: 2022 · Primary form: IRS Form 990-N

  7. International Mountain Bicycling Association

    EIN 471254119 · Headquarters: BOULDER, CO, USA · Recreation & Sports · Latest available filing year: 2025 · Primary form: IRS Form 990

  8. International Mountain Bicycling Association - Colorado

    EIN 454248458 · Headquarters: LEADVILLE, CO, USA · Recreation & Sports · Latest available filing year: 2024 · Primary form: IRS Form 990-EZ

  9. International Mountain Bicycling Association - Colorado

    EIN 454989411 · Headquarters: Winter Park, CO, US · Recreation & Sports · Latest available filing year: 2019 · Primary form: IRS Form 990-N

  10. International Mountain Bicycling Association or Imba

    EIN 262859953 · Headquarters: Telluride, CO, US · Recreation & Sports · Latest available filing year: 2024 · Primary form: IRS Form 990-N

  11. International Mountain Explorers Connection

    EIN 841348903 · Headquarters: Boulder, CO, US · Health Care · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  12. International Municipal Signal Assoc Rocky Mountain Section

    EIN 841329326 · Headquarters: Bennett, CO, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  13. International Neighbors Network

    EIN 841711325 · Headquarters: AURORA, CO, US · Religion Related · Latest available filing year: 2021 · Primary form: IRS Form 990-N

  14. International Nepali Literary Society

    EIN 521835724 · Headquarters: Thornton, CO, US · Arts, Culture & Humanities · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  15. International New Walk Ministries

    EIN 201905034 · Headquarters: COLORADO SPRINGS, CO, US · Religion Related · Latest available filing year: 2024 · Primary form: IRS Form 990-N

  16. International Order of Rocky Mountain Goats

    EIN 271602032 · Headquarters: Colorado Springs, CO, US · Food, Agriculture & Nutrition · Latest available filing year: 2016 · Primary form: IRS Form 990-N

  17. International Order of the Rainbow Colorado Grand

    EIN 846022548 · Headquarters: Littleton, CO, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-EZ

  18. International Order of the Rainbow Girls

    EIN 237140907 · Headquarters: Greeley, CO, US · Unknown & Unclassified · Latest available filing year: 2021 · Primary form: IRS Form 990-N

  19. International Order of the Rainbow Girls

    EIN 237141124 · Headquarters: COLORADO SPRINGS, CO, US · Youth Development · Latest available filing year: 2015 · Primary form: IRS Form 990-N

  20. International Order of the Rainbow Girls

    EIN 237142017 · Headquarters: Golden, CO, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  21. International Order of the Rainbow Girls

    EIN 237144820 · Headquarters: Gunnison, CO, US · Education · Latest available filing year: 2007 · Primary form: IRS Form 990-N

  22. International Order of the Rainbow Girls

    EIN 237144821 · Headquarters: Grand Junction, CO, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  23. International Order of the Rainbow Girls

    EIN 237144837 · Headquarters: LAKEWOOD, CO, US · Youth Development · Latest available filing year: 2014 · Primary form: IRS Form 990-N

  24. International Order of the Rainbow Girls

    EIN 237144858 · Headquarters: Monte Vista, CO, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  25. International Order of the Rainbow Girls

    EIN 237506661 · Headquarters: Littleton, CO, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  26. International Order of the Rainbow Girls

    EIN 237506664 · Headquarters: Colorado Springs, CO, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  27. International Order of the Rainbow Girls

    EIN 611852838 · Headquarters: Littleton, CO, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  28. International Organization of Certified Biofeedbac

    EIN 994479001 · Headquarters: Parker, CO, US · Human Services · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  29. International Parent Institute

    EIN 271021180 · Headquarters: DENVER, CO, US · Education · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  30. International Peace Initiatives

    EIN 651249494 · Headquarters: DENVER, CO, USA · International, Foreign Affairs & National Security · Latest available filing year: 2024 · Primary form: IRS Form 990-EZ

  31. International Peace Research Association Foundation

    EIN 841119559 · Headquarters: BOULDER, CO, USA · International, Foreign Affairs & National Security · Latest available filing year: 2024 · Primary form: IRS Form 990-PF

  32. International Plant Propagators Society Inc Eastern Region

    EIN 237024246 · Headquarters: Colorado Springs, CO, USA · Education · Latest available filing year: 2024 · Primary form: IRS Form 990-EZ

  33. International Police Association United States Section

    EIN 510209295 · Headquarters: Colorado Springs, CO, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  34. International Police Association United States Section

    EIN 931529097 · Headquarters: colorado springs, CO, US · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-N

  35. International Racquetball Federatio

    EIN 470931266 · Headquarters: COLORADO SPRINGS, CO, USA · Recreation & Sports · Latest available filing year: 2024 · Primary form: IRS Form 990-EZ

  36. International Reading Association Inc

    EIN 020790905 · Headquarters: Bailey, CO, US · Education · Latest available filing year: 2017 · Primary form: IRS Form 990-N

  37. International Reading Association Inc

    EIN 237014047 · Headquarters: Bailey, CO, US · Education · Latest available filing year: 2017 · Primary form: IRS Form 990-N

  38. International Reading Association Inc

    EIN 237014049 · Headquarters: Bailey, CO, US · Education · Latest available filing year: 2017 · Primary form: IRS Form 990-N

  39. International Reading Association Inc

    EIN 237023111 · Headquarters: Bailey, CO, US · Education · Latest available filing year: 2017 · Primary form: IRS Form 990-N

  40. International Reading Association Inc

    EIN 237023112 · Headquarters: Bailey, CO, US · Education · Latest available filing year: 2017 · Primary form: IRS Form 990-N

  41. International Reading Association Inc

    EIN 237023114 · Headquarters: Bailey, CO, US · Education · Latest available filing year: 2017 · Primary form: IRS Form 990-N

  42. International Reading Association Inc

    EIN 237023119 · Headquarters: Bailey, CO, US · Education · Latest available filing year: 2017 · Primary form: IRS Form 990-N

  43. International Reading Association Inc

    EIN 237068236 · Headquarters: Bailey, CO, US · Education · Latest available filing year: 2017 · Primary form: IRS Form 990-N

  44. International Reading Association Inc

    EIN 237415872 · Headquarters: Bailey, CO, US · Education · Latest available filing year: 2017 · Primary form: IRS Form 990-N

  45. International Reading Association Inc

    EIN 260094276 · Headquarters: Highlands Ranch, CO, US · Education · Latest available filing year: 2015 · Primary form: IRS Form 990-N

  46. International Reading Association Inc

    EIN 542137377 · Headquarters: Bailey, CO, US · Education · Latest available filing year: 2017 · Primary form: IRS Form 990-N

  47. International Reading Association Inc

    EIN 840617795 · Headquarters: Bailey, CO, US · Education · Latest available filing year: 2017 · Primary form: IRS Form 990-N

  48. International Reading Association Inc

    EIN 840766468 · Headquarters: Bailey, CO, US · Education · Latest available filing year: 2017 · Primary form: IRS Form 990-N

  49. International Reading Association Inc

    EIN 840808343 · Headquarters: Bailey, CO, US · Education · Latest available filing year: 2017 · Primary form: IRS Form 990-N

  50. International Reading Association Inc

    EIN 840886773 · Headquarters: Bailey, CO, US · Education · Latest available filing year: 2017 · Primary form: IRS Form 990-N

  51. International Reading Association Inc

    EIN 840922534 · Headquarters: Bailey, CO, US · Education · Latest available filing year: 2017 · Primary form: IRS Form 990-N

  52. International Reading Association Inc

    EIN 841001710 · Headquarters: Bailey, CO, US · Education · Latest available filing year: 2017 · Primary form: IRS Form 990-N

  53. International Reading Association Inc

    EIN 841482310 · Headquarters: Bailey, CO, US · Education · Latest available filing year: 2017 · Primary form: IRS Form 990-N

  54. International Reading Association Inc

    EIN 846041338 · Headquarters: Bailey, CO, US · Education · Latest available filing year: 2017 · Primary form: IRS Form 990-N

  55. International Reading Association Inc

    EIN 846041342 · Headquarters: Bailey, CO, US · Education · Latest available filing year: 2017 · Primary form: IRS Form 990-N

  56. International Reading Association Inc

    EIN 943473153 · Headquarters: Bailey, CO, US · Education · Latest available filing year: 2017 · Primary form: IRS Form 990-N

  57. International Relief Fund Inc

    EIN 263580358 · Headquarters: MONUMENT, CO, US · Food, Agriculture & Nutrition · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  58. International Research Center for Energy & Economic Development

    EIN 840723234 · Headquarters: BOULDER, CO, USA · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-EZ

  59. International School of Denver

    EIN 840761183 · Headquarters: DENVER, CO, USA · Education · Latest available filing year: 2024 · Primary form: IRS Form 990

  60. International Skiing Fellowship of Rotarians

    EIN 830309552 · Headquarters: TELLURIDE, CO, US · Recreation & Sports · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  61. International Slide Rule Museum

    EIN 832486423 · Headquarters: Louisville, CO, US · Arts, Culture & Humanities · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  62. International Social Club Ltd

    EIN 460837471 · Headquarters: ENGLEWOOD, CO, USA · Recreation & Sports · Latest available filing year: 2014 · Primary form: IRS Form 990-EZ

  63. International Society for Bhutan Studies Inc

    EIN 833821422 · Headquarters: Berthoud, CO, US · Arts, Culture & Humanities · Latest available filing year: 2023 · Primary form: IRS Form 990-N

  64. International Society for British Genealogy A

    EIN 341273012 · Headquarters: Denver, CO, USA · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-EZ

  65. International Society for Media Religion and Culture

    EIN 454035694 · Headquarters: BOULDER, CO, US · Social Science · Latest available filing year: 2023 · Primary form: IRS Form 990-N

  66. International Society for Organization Development

    EIN 275408931 · Headquarters: Colorado Springs, CO, US · Mutual & Membership Benefit · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  67. International Society for the Prevention of Child Abuse and Neglect

    EIN 840743126 · Headquarters: ENGLEWOOD, CO, USA · Crime & Legal Related · Latest available filing year: 2024 · Primary form: IRS Form 990

  68. International Society for the Study

    EIN 841156570 · Headquarters: LONGMONT, CO, USA · Science & Technology · Latest available filing year: 2012 · Primary form: IRS Form 990-EZ

  69. International Society of Additive Manufacturing Engineers

    EIN 811034584 · Headquarters: Highlands Ranch, CO, US · Mutual & Membership Benefit · Latest available filing year: 2020 · Primary form: IRS Form 990-N

  70. International Society of Aquatic Medicine

    EIN 953105147 · Headquarters: Fort Collins, CO, USA · Animal Related · Latest available filing year: 2025 · Primary form: IRS Form 990-EZ

  71. International Society of Arboricult Rocky Mountain Chapter

    EIN 840991185 · Headquarters: WESTMINSTER, CO, USA · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990

  72. International Society of Automation

    EIN 237019678 · Headquarters: Aurora, CO, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  73. International Society of Certified Employee Benefit Specialists Inc

    EIN 841185985 · Headquarters: ELIZABETH, CO, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  74. International Society of Neuro-semantics Inc

    EIN 841255810 · Headquarters: CLIFTON, CO, USA · Social Science · Latest available filing year: 2025 · Primary form: IRS Form 990

  75. International Society of Professional Engineers Dba Rocky Mountain Ispe

    EIN 841326476 · Headquarters: BOULDER, CO, USA · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990

  76. International Space Development Authority Corporation

    EIN 453611051 · Headquarters: Castle Rock, CO, US · Unknown & Unclassified · Latest available filing year: 2011 · Primary form: IRS Form 990-N

  77. International Spine Study Grp Found

    EIN 271833811 · Headquarters: BRIGHTON, CO, USA · Philanthropy, Voluntarism & Grantmaking Foundations · Latest available filing year: 2024 · Primary form: IRS Form 990-PF

  78. International Student Advocacy Society

    EIN 872858230 · Headquarters: Boulder, CO, US · Human Services · Latest available filing year: 2024 · Primary form: IRS Form 990-N

  79. International Students Inc

    EIN 530214853 · Headquarters: Colorado Springs, CO, US · Unknown & Unclassified · Latest available filing year: 2021 · Primary form: IRS Form 990-N

  80. International Students International

    EIN 204756457 · Headquarters: Colorado Springs, CO, US · International, Foreign Affairs & National Security · Latest available filing year: 2023 · Primary form: IRS Form 990-N

  81. International Surgical Missions Llc

    EIN 843109280 · Headquarters: Trinidad, CO, US · Health Care · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  82. International Telescope Museum

    EIN 474444907 · Headquarters: GREENWOOD VILLAGE, CO, US · Arts, Culture & Humanities · Latest available filing year: 2018 · Primary form: IRS Form 990-N

  83. International Tesla Society

    EIN 840978288 · Headquarters: Manitou Springs, CO, US · Science & Technology · Latest available filing year: 2013 · Primary form: IRS Form 990-N

  84. International Titanium Association

    EIN 311092931 · Headquarters: THORNTON, CO, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990

  85. International Titanium Foundation Inc

    EIN 814618083 · Headquarters: EASTLAKE, CO, US · Education · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  86. International Training Partners Inc

    EIN 841602077 · Headquarters: COLORADO SPGS, CO, USA · Religion Related · Latest available filing year: 2025 · Primary form: IRS Form 990

  87. International Training Services Inc

    EIN 510445502 · Headquarters: WOODLAND PARK, CO, US · Religion Related · Latest available filing year: 2023 · Primary form: IRS Form 990-N

  88. International Union of Bricklayers and Allied Craftworkers

    EIN 830124912 · Headquarters: Denver, CO, US · Employment · Latest available filing year: 2014 · Primary form: IRS Form 990-N

  89. International Union of Operating Engineers Local 9

    EIN 840235475 · Headquarters: Denver, CO, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990

  90. International Union of Painters and Allied Trades Local Union 419

    EIN 840163092 · Headquarters: LAKEWOOD, CO, US · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-N

  91. International Union of Painters and Allied Trades Local Union 79

    EIN 840155863 · Headquarters: LAKEWOOD, CO, US · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-N

  92. International Union of Painters and Allied Trades Local Union 930

    EIN 840212351 · Headquarters: LAKEWOOD, CO, US · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-N

  93. International Union Security Police Fire Professionals of America

    EIN 320269762 · Headquarters: GREELEY, CO, US · Crime & Legal Related · Latest available filing year: 2010 · Primary form: IRS Form 990-N

  94. International Union UAW LOCAL 186

    EIN 840386519 · Headquarters: Denver, CO, USA · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-EZ

  95. International Union UAW Local 431

    EIN 840505786 · Headquarters: Aurora, CO, USA · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-EZ

  96. International Union UAW LOCAL 766

    EIN 840467290 · Headquarters: Englewood, CO, USA · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990

  97. International Vacuum Tube Museum

    EIN 472282465 · Headquarters: GREENWOOD VILLAGE, CO, US · Arts, Culture & Humanities · Latest available filing year: 2018 · Primary form: IRS Form 990-N

  98. International Veterinary Epidemiology and Economics

    EIN 208899628 · Headquarters: FORT COLLINS, CO, USA · International, Foreign Affairs & National Security · Latest available filing year: 2025 · Primary form: IRS Form 990-EZ

  99. International Visitors Council of Teller and Park Counties

    EIN 830493460 · Headquarters: DIVIDE, CO, US · Unknown & Unclassified · Latest available filing year: 2007 · Primary form: IRS Form 990-N

  100. International We Love U Foundation in Denver

    EIN 464861807 · Headquarters: DENVER, CO, USA · Religion Related · Latest available filing year: 2019 · Primary form: IRS Form 990-EZ

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