Unknown & Unclassified nonprofits in Colorado

Unknown & Unclassified nonprofits in Colorado. Browse 9,996 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. Colorado Ophthalmological Society

    EIN 510147990 · Headquarters: DENVER, CO, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-EZ

  2. Colorado Options in Education

    EIN 841052648 · Headquarters: Evergreen, CO, US · Unknown & Unclassified · Latest available filing year: 2023 · Primary form: IRS Form 990-N

  3. Colorado Organization for the Treatment of Opioid Dependence

    EIN 863591238 · Headquarters: DENVER, CO, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  4. Colorado Organization of Nurse Leaders

    EIN 841002407 · Headquarters: Aurora, CO, US · Unknown & Unclassified · Latest available filing year: 2023 · Primary form: IRS Form 990-N

  5. Colorado Orthopaedic Society

    EIN 742401276 · Headquarters: LITTLETON, CO, USA · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-EZ

  6. Colorado Outdoors Coalition

    EIN 331735484 · Headquarters: DENVER, CO, USA · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-EZ

  7. Colorado Outfitters Association Inc

    EIN 840976388 · Headquarters: PAGOSA SPRINGS, CO, USA · Unknown & Unclassified · Latest available filing year: 2023 · Primary form: IRS Form 990-EZ

  8. Colorado Outlaws Youth Wrestling

    EIN 201809730 · Headquarters: GRAND JUNCTION, CO, US · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-N

  9. Colorado Parent Education Network

    EIN 884382104 · Headquarters: AURORA, CO, US · Unknown & Unclassified · Latest available filing year: 2022 · Primary form: IRS Form 990-N

  10. Colorado Parents of Blind Children

    EIN 611753158 · Headquarters: Littleton, CO, US · Unknown & Unclassified · Latest available filing year: 2015 · Primary form: IRS Form 990-N

  11. Colorado Parks and Recreation Association

    EIN 840745903 · Headquarters: Wheatridge, CO, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990

  12. Colorado People's Action

    EIN 811303316 · Headquarters: DENVER, CO, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990

  13. Colorado Pet Association

    EIN 841354671 · Headquarters: BURLINGTON, CO, US · Unknown & Unclassified · Latest available filing year: 2021 · Primary form: IRS Form 990-N

  14. Colorado Photographic Arts Center Inc

    EIN 846036988 · Headquarters: DENVER, CO, USA · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990

  15. Colorado Photonics Industry Assoc

    EIN 841440424 · Headquarters: LONGMONT, CO, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-EZ

  16. Colorado Physical Therapy Network

    EIN 841112989 · Headquarters: LAKEWOOD, CO, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-EZ

  17. Colorado Pioneer Action

    EIN 473723216 · Headquarters: LAFAYETTE, CO, USA · Unknown & Unclassified · Latest available filing year: 2016 · Primary form: IRS Form 990

  18. Colorado Plateau Mountain Bike Trail Association Inc

    EIN 841130981 · Headquarters: Grand Junction, CO, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990

  19. Colorado Podiatric Medical Association

    EIN 841143621 · Headquarters: DENVER, CO, USA · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990

  20. Colorado Polling Impact

    EIN 922088875 · Headquarters: DENVER, CO, USA · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-EZ

  21. Colorado Pork Producers Council

    EIN 840747737 · Headquarters: LUCERNE, CO, USA · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990

  22. Colorado Potters Guild Inc

    EIN 840536945 · Headquarters: Denver, CO, US · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-N

  23. Colorado Preservation Inc

    EIN 742403583 · Headquarters: DENVER, CO, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990

  24. Colorado Press Association

    EIN 840371281 · Headquarters: Denver, CO, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990

  25. Colorado Prfrs

    EIN 452990881 · Headquarters: WHEAT RIDGE, CO, USA · Unknown & Unclassified · Latest available filing year: 2020 · Primary form: IRS Form 990

  26. Colorado Prime Timers

    EIN 841483743 · Headquarters: Denver, CO, US · Unknown & Unclassified · Latest available filing year: 2020 · Primary form: IRS Form 990-N

  27. Colorado Private School Association

    EIN 840628747 · Headquarters: Colorado Springs, CO, US · Unknown & Unclassified · Latest available filing year: 2022 · Primary form: IRS Form 990-N

  28. Colorado Professional Rodeo Association

    EIN 840706178 · Headquarters: KERSEY, CO, USA · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990

  29. Colorado Project

    EIN 455214386 · Headquarters: Boulder, CO, US · Unknown & Unclassified · Latest available filing year: 2013 · Primary form: IRS Form 990-N

  30. Colorado Providers Association

    EIN 841268289 · Headquarters: Denver, CO, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990

  31. Colorado Psychological Assoc

    EIN 840647783 · Headquarters: AURORA, CO, USA · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990

  32. Colorado Public Interest Research Foundation Inc

    EIN 742313874 · Headquarters: DENVER, CO, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990

  33. Colorado Public Safety Chaplains Inc

    EIN 453692012 · Headquarters: Westminster, CO, US · Unknown & Unclassified · Latest available filing year: 2022 · Primary form: IRS Form 990-N

  34. Colorado Radiological Society

    EIN 742576052 · Headquarters: CENTENNIAL, CO, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990

  35. Colorado Ready Mixed Concrete Association

    EIN 840483910 · Headquarters: Centennial, CO, USA · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990

  36. Colorado Region Sports Car Club of America Incorporated

    EIN 840988525 · Headquarters: LITTLETON, CO, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990

  37. Colorado Repeater Association

    EIN 841071332 · Headquarters: Broomfield, CO, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  38. Colorado Restaurant Association

    EIN 840503735 · Headquarters: DENVER, CO, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990

  39. Colorado Restaurant Association Breckenridge Chapter

    EIN 841338884 · Headquarters: DENVER, CO, USA · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-EZ

  40. Colorado Restaurant Association Durango Chapter

    EIN 841336331 · Headquarters: Denver, CO, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  41. Colorado Restaurant Association Mile High Chapter

    EIN 841336341 · Headquarters: DENVER, CO, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-EZ

  42. Colorado Restaurant Association Pueblo Chapter

    EIN 834675002 · Headquarters: Denver, CO, US · Unknown & Unclassified · Latest available filing year: 2020 · Primary form: IRS Form 990-N

  43. Colorado Restaurant Association Steamboat Springs Chapter

    EIN 841344080 · Headquarters: Denver, CO, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  44. Colorado Retail Council Inc

    EIN 840804952 · Headquarters: DENVER, CO, USA · Unknown & Unclassified · Latest available filing year: 2023 · Primary form: IRS Form 990-EZ

  45. Colorado Rifle Club

    EIN 840563517 · Headquarters: PARKER, CO, USA · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990

  46. Colorado Right to Life Committee

    EIN 237112507 · Headquarters: Wheat Ridge, CO, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  47. Colorado Riparian Association

    EIN 841235386 · Headquarters: Parker, CO, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  48. Colorado Rising State Action

    EIN 843996585 · Headquarters: Parker, CO, USA · Unknown & Unclassified · Latest available filing year: 2020 · Primary form: IRS Form 990

  49. Colorado River Outfitters Association

    EIN 202238507 · Headquarters: IDAHO SPRINGS, CO, USA · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990

  50. Colorado River Runners History Museum

    EIN 473005582 · Headquarters: ARBOLES, CO, US · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-N

  51. Colorado Riverfront Foundation Inc

    EIN 841069605 · Headquarters: Grand Junction, CO, USA · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990

  52. Colorado Roofing Association

    EIN 841103552 · Headquarters: ARVADA, CO, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990

  53. Colorado Roots

    EIN 383873808 · Headquarters: COLORADO SPRINGS, CO, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-EZ

  54. Colorado Round Dance Association

    EIN 562553115 · Headquarters: Golden, CO, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  55. Colorado Rural Electric Association

    EIN 840411220 · Headquarters: Denver, CO, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990

  56. Colorado Rural Letter Carriers Asso

    EIN 237235415 · Headquarters: Sanford, CO, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990

  57. Colorado Rural Rehabilitation Corp

    EIN 846032227 · Headquarters: DENVER, CO, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990

  58. Colorado Rural Water Association

    EIN 840837786 · Headquarters: PUEBLO WEST, CO, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990

  59. Colorado Saddlemakers Association Inc

    EIN 841261690 · Headquarters: Collbran, CO, US · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-N

  60. Colorado Safety Association

    EIN 846061348 · Headquarters: Denver, CO, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990

  61. Colorado Sail & Yacht Club

    EIN 832315990 · Headquarters: Littleton, CO, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  62. Colorado Sam Action Incorporated

    EIN 474134977 · Headquarters: Centennial, CO, US · Unknown & Unclassified · Latest available filing year: 2018 · Primary form: IRS Form 990-N

  63. Colorado School & Public Employees Retirement Assoc

    EIN 742122589 · Headquarters: Aurora, CO, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990

  64. Colorado School Foundations Assoc

    EIN 465755034 · Headquarters: LITTLETON, CO, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  65. Colorado School Nutrition Association

    EIN 846039403 · Headquarters: Denver, CO, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990

  66. Colorado Scientific Society

    EIN 846032960 · Headquarters: Lakewood, CO, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  67. Colorado Section of the American Nuclear Society

    EIN 237164966 · Headquarters: Louisville, CO, US · Unknown & Unclassified · Latest available filing year: 2019 · Primary form: IRS Form 990-N

  68. Colorado Section of the Professional Golfers Association

    EIN 237237337 · Headquarters: LARKSPUR, CO, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990

  69. Colorado Seed Growers Association

    EIN 840579271 · Headquarters: FORT COLLINS, CO, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990

  70. Colorado Senior Golfers Association

    EIN 846036514 · Headquarters: Littleton, CO, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-EZ

  71. Colorado Senior Lobby

    EIN 742204676 · Headquarters: DENVER, CO, US · Unknown & Unclassified · Latest available filing year: 2019 · Primary form: IRS Form 990-N

  72. Colorado Sheet Metal Industry Fund

    EIN 840567116 · Headquarters: DENVER, CO, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990

  73. Colorado Sheet Metal Workers Training Fund

    EIN 846039791 · Headquarters: DENVER, CO, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990

  74. Colorado Sickle Cell Association

    EIN 237269897 · Headquarters: Denver, CO, USA · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-EZ

  75. Colorado Simmental Association Inc

    EIN 840771065 · Headquarters: SUGAR CITY, CO, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-EZ

  76. Colorado Skating Club

    EIN 840801000 · Headquarters: Littleton, CO, USA · Unknown & Unclassified · Latest available filing year: 2020 · Primary form: IRS Form 990-EZ

  77. Colorado Skill Games & Entertainment Association

    EIN 822944515 · Headquarters: DENVER, CO, USA · Unknown & Unclassified · Latest available filing year: 2019 · Primary form: IRS Form 990-EZ

  78. Colorado Smoke Diver Association

    EIN 933920950 · Headquarters: Fruita, CO, USA · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-PF

  79. Colorado Society for Endocronology & Metabolism

    EIN 841026033 · Headquarters: Aurora, CO, US · Unknown & Unclassified · Latest available filing year: 2011 · Primary form: IRS Form 990-N

  80. Colorado Society for Parenteral and Enteral Nutrition

    EIN 742556069 · Headquarters: Aurora, CO, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  81. Colorado Society of Association Executives

    EIN 846027281 · Headquarters: ARVADA, CO, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990

  82. Colorado Society of Clinical Hypnosis

    EIN 811772915 · Headquarters: glendale, CO, US · Unknown & Unclassified · Latest available filing year: 2016 · Primary form: IRS Form 990-N

  83. Colorado Society of Clinical Neurologists

    EIN 841246857 · Headquarters: Denver, CO, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  84. Colorado Society of Clinical Pathologists Inc

    EIN 840611964 · Headquarters: ARVADA, CO, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  85. Colorado Society of CPAs

    EIN 840397653 · Headquarters: Glendale, CO, US · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990

  86. Colorado Society of Enrolled Agents

    EIN 840816043 · Headquarters: DENVER, CO, USA · Unknown & Unclassified · Latest available filing year: 2023 · Primary form: IRS Form 990-EZ

  87. Colorado Society of Oral & Maxillofacial Surgeons

    EIN 870566446 · Headquarters: Aurora, CO, USA · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990

  88. Colorado Society of Osteopathic Med

    EIN 840460141 · Headquarters: BROOMFIELD, CO, USA · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-EZ

  89. Colorado Society of School Psycholo

    EIN 742256501 · Headquarters: Denver, CO, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-EZ

  90. Colorado Solar Energy Industries Assoc

    EIN 841115955 · Headquarters: Denver, CO, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990

  91. Colorado Springs Auto Dealers Assoc

    EIN 742211848 · Headquarters: COLORADO SPRINGS, CO, USA · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-EZ

  92. Colorado Springs Chinese Language School

    EIN 841276550 · Headquarters: COLORADO SPGS, CO, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-EZ

  93. Colorado Springs Choral Society

    EIN 840593557 · Headquarters: Colorado Springs, CO, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990

  94. Colorado Springs Community Culture Collective at the Auditorium

    EIN 854312784 · Headquarters: COLORADO SPRINGS, CO, USA · Unknown & Unclassified · Latest available filing year: 2022 · Primary form: IRS Form 990

  95. Colorado Springs Convention and Visitors Bureau

    EIN 840809343 · Headquarters: Colorado Springs, CO, USA · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990

  96. Colorado Springs Country Club

    EIN 840451266 · Headquarters: COLORADO SPRINGS, CO, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990

  97. Colorado Springs Daylily Society

    EIN 841385812 · Headquarters: Colorado Springs, CO, US · Unknown & Unclassified · Latest available filing year: 2010 · Primary form: IRS Form 990-N

  98. Colorado Springs Debutante Ball Committee Inc

    EIN 846053571 · Headquarters: COLORADO SPRINGS, CO, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-EZ

  99. Colorado Springs Down Syndrome Association

    EIN 841060142 · Headquarters: COLORADO SPGS, CO, USA · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-EZ

  100. Colorado Springs Ecumenical Social Ministries Inc

    EIN 840890978 · Headquarters: Colorado Springs, CO, USA · Unknown & Unclassified · Latest available filing year: 2022 · Primary form: IRS Form 990-EZ

First page and all pages