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 Alliance Theatrical Stage Employees & Moving Picture

    EIN 753047719 · Headquarters: Denver, CO, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  2. International Alliance Theatrical Stage Employees & Moving Picture

    EIN 846036045 · Headquarters: Fort Collins, CO, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  3. International Ass of Sheet Metal Air Rail & Transportation 204

    EIN 846035867 · Headquarters: PUEBLO, CO, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  4. International Assn of Fire Ln

    EIN 846032542 · Headquarters: Pueblo, CO, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990

  5. International Assoc of Approved

    EIN 846028187 · Headquarters: Holyoke, CO, USA · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990

  6. International Assoc of Clerks Recorders Election Officials & Treasurers

    EIN 237427599 · Headquarters: EAGLE, CO, USA · Public & Societal Benefit · Latest available filing year: 2014 · Primary form: IRS Form 990

  7. International Assoc of Fire Fighter Englewood Fire Fighters Local 1736

    EIN 510226964 · Headquarters: DENVER, CO, USA · Public Safety, Disaster Preparedness & Relief · Latest available filing year: 2015 · Primary form: IRS Form 990-EZ

  8. International Assoc of Fire Fighters Local #1945 Ft Collins Co

    EIN 237082518 · Headquarters: FORT COLLINS, CO, USA · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990

  9. International Associaion of Fire Fighters

    EIN 352231214 · Headquarters: Colorado Springs, CO, US · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-N

  10. International Association for Dance Medicine and Science

    EIN 411806023 · Headquarters: AURORA, CO, USA · Arts, Culture & Humanities · Latest available filing year: 2024 · Primary form: IRS Form 990

  11. International Association for New Science

    EIN 841152107 · Headquarters: Wellington, CO, US · Science & Technology · Latest available filing year: 2020 · Primary form: IRS Form 990-N

  12. International Association for Public Participation USA

    EIN 454072107 · Headquarters: Thornton, CO, US · Community Improvement & Capacity Building · Latest available filing year: 2022 · Primary form: IRS Form 990-N

  13. International Association for Public Participation USA

    EIN 454073233 · Headquarters: LOVELAND, CO, US · Community Improvement & Capacity Building · Latest available filing year: 2024 · Primary form: IRS Form 990-N

  14. International Association for Public Participation USA

    EIN 454207761 · Headquarters: LOVELAND, CO, US · Community Improvement & Capacity Building · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  15. International Association for Public Participation USA

    EIN 800675072 · Headquarters: Thornton, CO, USA · Community Improvement & Capacity Building · Latest available filing year: 2025 · Primary form: IRS Form 990

  16. International Association for Rural and Urban Development IARUD

    EIN 813480520 · Headquarters: Denver, CO, USA · Human Services · Latest available filing year: 2024 · Primary form: IRS Form 990-EZ

  17. International Association for the Fantastic in the Arts

    EIN 341489555 · Headquarters: Boulder, CO, USA · Arts, Culture & Humanities · Latest available filing year: 2024 · Primary form: IRS Form 990-EZ

  18. International Association for the Properties of Water and Steam

    EIN 331605579 · Headquarters: Erie, CO, US · Science & Technology · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  19. International Association for the Study of Lung Cancer

    EIN 200499338 · Headquarters: DENVER, CO, USA · Community Improvement & Capacity Building · Latest available filing year: 2024 · Primary form: IRS Form 990

  20. International Association of 3504

    EIN 846037664 · Headquarters: WRAY, CO, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-EZ

  21. International Association of Administrative Professionals

    EIN 840935843 · Headquarters: Colorado Springs, CO, US · Community Improvement & Capacity Building · Latest available filing year: 2014 · Primary form: IRS Form 990-N

  22. International Association of Administrative Professionals

    EIN 840964883 · Headquarters: Denver, CO, US · Community Improvement & Capacity Building · Latest available filing year: 2013 · Primary form: IRS Form 990-N

  23. International Association of Administrative Professionals

    EIN 841135548 · Headquarters: Greeley, CO, US · International, Foreign Affairs & National Security · Latest available filing year: 2010 · Primary form: IRS Form 990-N

  24. International Association of Administrative Professionals

    EIN 846035331 · Headquarters: Grand Junction, CO, US · Arts, Culture & Humanities · Latest available filing year: 2013 · Primary form: IRS Form 990-N

  25. International Association of Administrative Professionals

    EIN 846036192 · Headquarters: Aurora, CO, US · Community Improvement & Capacity Building · Latest available filing year: 2013 · Primary form: IRS Form 990-N

  26. International Association of Administrative Professionals

    EIN 846036731 · Headquarters: Colorado Springs, CO, US · Community Improvement & Capacity Building · Latest available filing year: 2013 · Primary form: IRS Form 990-N

  27. International Association of Administrative Professionals

    EIN 846048536 · Headquarters: Lafayette, CO, US · Community Improvement & Capacity Building · Latest available filing year: 2013 · Primary form: IRS Form 990-N

  28. International Association of Administrative Professionals

    EIN 846050192 · Headquarters: WINDSOR, CO, US · Community Improvement & Capacity Building · Latest available filing year: 2013 · Primary form: IRS Form 990-N

  29. International Association of Arson Investigators Colorado Chapter

    EIN 921627497 · Headquarters: Englewood, CO, US · Education · Latest available filing year: 2022 · Primary form: IRS Form 990-N

  30. International Association of Bridge Str And Reinforcing Iron Workers Local Union

    EIN 840235799 · Headquarters: Denver, CO, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990

  31. International Association of Certified Home Inspectors

    EIN 201642618 · Headquarters: BOULDER, CO, USA · Community Improvement & Capacity Building · Latest available filing year: 2024 · Primary form: IRS Form 990

  32. International Association of Color Consultants-designers-north Americ

    EIN 841304086 · Headquarters: Denver, CO, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  33. International Association of Duncan Certified Ceramic Teachers

    EIN 611616564 · Headquarters: Golden, CO, US · Recreation & Sports · Latest available filing year: 2024 · Primary form: IRS Form 990-N

  34. International Association of Eating Disorders Professionals Fdn Denver Chap

    EIN 371712948 · Headquarters: Boulder, CO, USA · Mental Health & Crisis Intervention · Latest available filing year: 2024 · Primary form: IRS Form 990-EZ

  35. International Association of Electrical Inspectors

    EIN 271410974 · Headquarters: Drake, CO, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  36. International Association of Electrical Inspectors

    EIN 846035859 · Headquarters: Lakewood, CO, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-EZ

  37. International Association of Fire Fighter

    EIN 846035966 · Headquarters: Leadville, CO, US · Public Safety, Disaster Preparedness & Relief · Latest available filing year: 2009 · Primary form: IRS Form 990-N

  38. International Association of Fire Fighter

    EIN 846036111 · Headquarters: Canon City, CO, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  39. International Association of Fire Fighters

    EIN 202267916 · Headquarters: New Castle, CO, US · Employment · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  40. International Association of Fire Fighters

    EIN 202695242 · Headquarters: Frederick, CO, US · Public Safety, Disaster Preparedness & Relief · Latest available filing year: 2014 · Primary form: IRS Form 990-N

  41. International Association of Fire Fighters

    EIN 203754550 · Headquarters: Brighton, CO, US · Employment · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  42. International Association of Fire Fighters

    EIN 204054277 · Headquarters: Steamboat Springs, CO, US · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-N

  43. International Association of Fire Fighters

    EIN 205873361 · Headquarters: Evans, CO, US · Public Safety, Disaster Preparedness & Relief · Latest available filing year: 2009 · Primary form: IRS Form 990-N

  44. International Association of Fire Fighters

    EIN 237044757 · Headquarters: Longmont, CO, US · Public Safety, Disaster Preparedness & Relief · Latest available filing year: 2009 · Primary form: IRS Form 990-N

  45. International Association of Fire Fighters

    EIN 237453963 · Headquarters: DENVER, CO, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-EZ

  46. International Association of Fire Fighters

    EIN 261585781 · Headquarters: Arvada, CO, US · Mutual & Membership Benefit · Latest available filing year: 2024 · Primary form: IRS Form 990-N

  47. International Association of Fire Fighters

    EIN 274579113 · Headquarters: Fort Collins, CO, US · Unknown & Unclassified · Latest available filing year: 2019 · Primary form: IRS Form 990-N

  48. International Association of Fire Fighters

    EIN 320484974 · Headquarters: Golden, CO, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  49. International Association of Fire Fighters

    EIN 333419873 · Headquarters: Pueblo, CO, US · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-N

  50. International Association of Fire Fighters

    EIN 463523116 · Headquarters: Florence, CO, US · Public Safety, Disaster Preparedness & Relief · Latest available filing year: 2016 · Primary form: IRS Form 990-N

  51. International Association of Fire Fighters

    EIN 472084790 · Headquarters: Golden, CO, US · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-N

  52. International Association of Fire Fighters

    EIN 472761544 · Headquarters: Larkspur, CO, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  53. International Association of Fire Fighters

    EIN 721577156 · Headquarters: MONUMENT, CO, USA · Employment · Latest available filing year: 2024 · Primary form: IRS Form 990-EZ

  54. International Association of Fire Fighters

    EIN 812035376 · Headquarters: Woodland Park, CO, US · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-N

  55. International Association of Fire Fighters

    EIN 812132254 · Headquarters: Watkins, CO, US · Unknown & Unclassified · Latest available filing year: 2023 · Primary form: IRS Form 990-N

  56. International Association of Fire Fighters

    EIN 812177235 · Headquarters: Conifer, CO, US · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-N

  57. International Association of Fire Fighters

    EIN 832274232 · Headquarters: Louisville, CO, US · Employment · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  58. International Association of Fire Fighters

    EIN 840707584 · Headquarters: DENVER, CO, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990

  59. International Association of Fire Fighters

    EIN 841108764 · Headquarters: Montrose, CO, US · Public Safety, Disaster Preparedness & Relief · Latest available filing year: 2013 · Primary form: IRS Form 990-N

  60. International Association of Fire Fighters

    EIN 841359642 · Headquarters: Pueblo, CO, US · Public Safety, Disaster Preparedness & Relief · Latest available filing year: 2011 · Primary form: IRS Form 990-N

  61. International Association of Fire Fighters

    EIN 841486905 · Headquarters: Erie, CO, US · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-N

  62. International Association of Fire Fighters

    EIN 841573778 · Headquarters: Loveland, CO, USA · Employment · Latest available filing year: 2022 · Primary form: IRS Form 990-EZ

  63. International Association of Fire Fighters

    EIN 841613338 · Headquarters: Denver, CO, US · Employment · Latest available filing year: 2015 · Primary form: IRS Form 990-N

  64. International Association of Fire Fighters

    EIN 861116783 · Headquarters: Highlands Ranch, CO, US · Public Safety, Disaster Preparedness & Relief · Latest available filing year: 2013 · Primary form: IRS Form 990-N

  65. International Association of Fire Fighters

    EIN 883921549 · Headquarters: FORT COLLINS, CO, US · Unknown & Unclassified · Latest available filing year: 2022 · Primary form: IRS Form 990-N

  66. International Association of Fire Fighters

    EIN 923332929 · Headquarters: Littleton, CO, USA · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990

  67. International Association of Fire Fighters

    EIN 923865924 · Headquarters: Erie, CO, US · Employment · Latest available filing year: 2024 · Primary form: IRS Form 990-N

  68. International Association of Fire Fighters

    EIN 933924361 · Headquarters: Colorado Springs, CO, US · Unknown & Unclassified · Latest available filing year: 2023 · Primary form: IRS Form 990-N

  69. International Association of Firefighters - Local 4116

    EIN 841611655 · Headquarters: CASTLE ROCK, CO, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-EZ

  70. International Association of Firefighters CPFF

    EIN 846045816 · Headquarters: Denver, CO, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990

  71. International Association of Firefighters Local #5

    EIN 846052007 · Headquarters: COLORADO SPRINGS, CO, USA · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990

  72. International Association of Firefighters Local 1309

    EIN 841191236 · Headquarters: Lakewood, CO, USA · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990

  73. International Association of Firefighters Local 2889

    EIN 841161462 · Headquarters: WESTMINSTER, CO, USA · Public Safety, Disaster Preparedness & Relief · Latest available filing year: 2018 · Primary form: IRS Form 990-EZ

  74. International Association of Forensic Nurses

    EIN 272093022 · Headquarters: Cortez, CO, US · Health Care · Latest available filing year: 2017 · Primary form: IRS Form 990-N

  75. International Association of Geosyntheti

    EIN 411827177 · Headquarters: Littleton, CO, USA · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-EZ

  76. International Association of Heat & Frost Insulators & Allied Workers L28

    EIN 840339764 · Headquarters: ARVADA, CO, USA · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990

  77. International Association of Home Staging Professionals

    EIN 203158964 · Headquarters: LITTLETON, CO, US · Human Services · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  78. International Association of Lions 3602

    EIN 840215605 · Headquarters: GRAND JUNCTION, CO, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990

  79. International Association of Lions Club

    EIN 412141098 · Headquarters: Aurora, CO, US · Community Improvement & Capacity Building · Latest available filing year: 2008 · Primary form: IRS Form 990-N

  80. International Association of Lions Club

    EIN 846036185 · Headquarters: Walden, CO, US · Philanthropy, Voluntarism & Grantmaking Foundations · Latest available filing year: 2024 · Primary form: IRS Form 990-N

  81. International Association of Lions Club

    EIN 846037356 · Headquarters: LAFAYETTE, CO, US · Community Improvement & Capacity Building · Latest available filing year: 2010 · Primary form: IRS Form 990-N

  82. International Association of Lions Club

    EIN 846044486 · Headquarters: LOVELAND, CO, US · Community Improvement & Capacity Building · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  83. International Association of Lions Club

    EIN 846044505 · Headquarters: Lyons, CO, US · Public Safety, Disaster Preparedness & Relief · Latest available filing year: 2024 · Primary form: IRS Form 990-N

  84. International Association of Lions Clubs

    EIN 050534731 · Headquarters: Denver, CO, US · Community Improvement & Capacity Building · Latest available filing year: 2008 · Primary form: IRS Form 990-N

  85. International Association of Lions Clubs

    EIN 203094343 · Headquarters: Wellington, CO, US · Community Improvement & Capacity Building · Latest available filing year: 2011 · Primary form: IRS Form 990-N

  86. International Association of Lions Clubs

    EIN 237047762 · Headquarters: Grand Junction, CO, US · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-N

  87. International Association of Lions Clubs

    EIN 237089474 · Headquarters: Broomfield, CO, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  88. International Association of Lions Clubs

    EIN 237258164 · Headquarters: Grand Junction, CO, US · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-N

  89. International Association of Lions Clubs

    EIN 237302685 · Headquarters: Canon City, CO, US · Community Improvement & Capacity Building · Latest available filing year: 2018 · Primary form: IRS Form 990-N

  90. International Association of Lions Clubs

    EIN 237335941 · Headquarters: Cedaredge, CO, US · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-N

  91. International Association of Lions Clubs

    EIN 237432856 · Headquarters: Craig, CO, US · Community Improvement & Capacity Building · Latest available filing year: 2015 · Primary form: IRS Form 990-N

  92. International Association of Lions Clubs

    EIN 260603132 · Headquarters: Pueblo West, CO, US · Community Improvement & Capacity Building · Latest available filing year: 2008 · Primary form: IRS Form 990-N

  93. International Association of Lions Clubs

    EIN 260904379 · Headquarters: LOVELAND, CO, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  94. International Association of Lions Clubs

    EIN 271093291 · Headquarters: COLORADO SPRINGS, CO, US · Community Improvement & Capacity Building · Latest available filing year: 2010 · Primary form: IRS Form 990-N

  95. International Association of Lions Clubs

    EIN 272762295 · Headquarters: Woodland Park, CO, US · Mutual & Membership Benefit · Latest available filing year: 2020 · Primary form: IRS Form 990-N

  96. International Association of Lions Clubs

    EIN 273161012 · Headquarters: Limon, CO, US · Education · Latest available filing year: 2023 · Primary form: IRS Form 990-N

  97. International Association of Lions Clubs

    EIN 274100912 · Headquarters: BRIGHTON, CO, US · Education · Latest available filing year: 2012 · Primary form: IRS Form 990-N

  98. International Association of Lions Clubs

    EIN 320329072 · Headquarters: Collbran, CO, US · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-N

  99. International Association of Lions Clubs

    EIN 383823964 · Headquarters: Littleton, CO, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  100. International Association of Lions Clubs

    EIN 452697880 · Headquarters: Burlington, CO, US · Community Improvement & Capacity Building · Latest available filing year: 2012 · Primary form: IRS Form 990-N

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