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. Oil and Gas Professionals of Northern Colorado

    EIN 333324237 · Headquarters: Windsor, CO, US · Community Improvement & Capacity Building · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  2. Oil for Venezuela Inc

    EIN 842976617 · Headquarters: AURORA, CO, USA · Arts, Culture & Humanities · Latest available filing year: 2025 · Primary form: IRS Form 990-EZ

  3. Oil of Gladness Gratitude Outreach

    EIN 821290314 · Headquarters: Aurora, CO, US · Religion Related · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  4. Oilfield Christian Fellowship of Denver

    EIN 262419869 · Headquarters: BRIGHTON, CO, US · Religion Related · Latest available filing year: 2018 · Primary form: IRS Form 990-N

  5. OJ & Mary Christine Harvey Educational Foundation

    EIN 841441530 · Headquarters: Lafayette, CO, USA · Education · Latest available filing year: 2023 · Primary form: IRS Form 990-PF

  6. Oklahoma School Counselor Association

    EIN 383956036 · Headquarters: INDIAN HILLS, CO, USA · Education · Latest available filing year: 2024 · Primary form: IRS Form 990-EZ

  7. Oklahomas Kids Belong

    EIN 815341378 · Headquarters: Loveland, CO, US · Human Services · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  8. Ol Lentille Foundation

    EIN 461134641 · Headquarters: Denver, CO, US · International, Foreign Affairs & National Security · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  9. Olander Elementary Parent Teacher Organization Pto

    EIN 813755478 · Headquarters: FORT COLLINS, CO, US · Education · Latest available filing year: 2018 · Primary form: IRS Form 990-N

  10. Olathe Area Chamber of Commerce

    EIN 260870522 · Headquarters: Olathe, CO, US · Community Improvement & Capacity Building · Latest available filing year: 2007 · Primary form: IRS Form 990-N

  11. Olathe Community Clinic Inc

    EIN 273757444 · Headquarters: Olathe, CO, USA · Health Care · Latest available filing year: 2024 · Primary form: IRS Form 990

  12. Olathe Elementary Parent Advisory C Ommittee

    EIN 394561904 · Headquarters: olathe, CO, US · Education · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  13. Olathe Middle High School Archery Booster Club

    EIN 994265668 · Headquarters: Olathe, CO, USA · Recreation & Sports · Latest available filing year: 2025 · Primary form: IRS Form 990-EZ

  14. Olathe Sweet Corn Festival

    EIN 923052439 · Headquarters: Montrose, CO, US · Public & Societal Benefit · Latest available filing year: 2024 · Primary form: IRS Form 990-N

  15. Old Buckers Inc

    EIN 800324787 · Headquarters: Greeley, CO, US · Community Improvement & Capacity Building · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  16. Old City

    EIN 470968138 · Headquarters: Longmont, CO, US · Religion Related · Latest available filing year: 2016 · Primary form: IRS Form 990-N

  17. Old Colorado City Associates LTD

    EIN 840885334 · Headquarters: Colorado Springs, CO, USA · Unknown & Unclassified · Latest available filing year: 2023 · Primary form: IRS Form 990

  18. Old Colorado City Historical Society

    EIN 840855158 · Headquarters: COLORADO SPRINGS, CO, USA · Arts, Culture & Humanities · Latest available filing year: 2024 · Primary form: IRS Form 990

  19. Old Colorado City Partnership

    EIN 461318670 · Headquarters: COLORADO SPRINGS, CO, USA · Arts, Culture & Humanities · Latest available filing year: 2024 · Primary form: IRS Form 990-EZ

  20. Old Colorado City Trash Fairies

    EIN 872957593 · Headquarters: Colorado Springs, CO, US · Environment · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  21. Old Dog House

    EIN 452455450 · Headquarters: YODER, CO, USA · Animal Related · Latest available filing year: 2025 · Primary form: IRS Form 990-EZ

  22. Old Dogs New Digs

    EIN 812989120 · Headquarters: Boulder, CO, USA · Animal Related · Latest available filing year: 2025 · Primary form: IRS Form 990-EZ

  23. Old English Sheepdog Rescue Of

    EIN 841545336 · Headquarters: PEYTON, CO, US · Animal Related · Latest available filing year: 2022 · Primary form: IRS Form 990-N

  24. Old Govconians Association of North America

    EIN 823299110 · Headquarters: PARKER, CO, US · Education · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  25. Old Homestead House Museum Inc

    EIN 841487472 · Headquarters: Cripple Creek, CO, US · Arts, Culture & Humanities · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  26. Old Mcdonald Barnyard Animal Rescue

    EIN 814203491 · Headquarters: longmont, CO, US · Unknown & Unclassified · Latest available filing year: 2020 · Primary form: IRS Form 990-N

  27. Old Mcdonald Barnyard Rescue

    EIN 208287141 · Headquarters: Longmont, CO, US · Animal Related · Latest available filing year: 2007 · Primary form: IRS Form 990-N

  28. Old Orchard Estates Homeowners Association

    EIN 462284480 · Headquarters: GRAND JUNCTION, CO, US · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-N

  29. Old Poudre City Inc

    EIN 841438831 · Headquarters: Bellvue, CO, US · Recreation & Sports · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  30. Old San Rafael Neighborhood Organization Inc

    EIN 742468790 · Headquarters: Denver, CO, US · Community Improvement & Capacity Building · Latest available filing year: 2024 · Primary form: IRS Form 990-N

  31. Old School Industries Racing Inc

    EIN 813750669 · Headquarters: BOULDER, CO, USA · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990

  32. Old School Sports Inc

    EIN 364786247 · Headquarters: Boulder, CO, US · Recreation & Sports · Latest available filing year: 2021 · Primary form: IRS Form 990-N

  33. Old Scout Foundation

    EIN 275346145 · Headquarters: Burlington, CO, US · Youth Development · Latest available filing year: 2015 · Primary form: IRS Form 990-N

  34. Old Soul Canine Rescue

    EIN 872959067 · Headquarters: Nederland, CO, US · Animal Related · Latest available filing year: 2024 · Primary form: IRS Form 990-N

  35. Old South Pearl Street Merchants Association

    EIN 204200931 · Headquarters: DENVER, CO, USA · Community Improvement & Capacity Building · Latest available filing year: 2024 · Primary form: IRS Form 990

  36. Old Spanish Trail Assocition

    EIN 841577621 · Headquarters: Grand Junction, CO, US · Arts, Culture & Humanities · Latest available filing year: 2009 · Primary form: IRS Form 990-N

  37. Old Threshers Group

    EIN 841093476 · Headquarters: Yuma, CO, US · Environment · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  38. Old Timers Baseball Association Pueblo Chapter Inc

    EIN 846027550 · Headquarters: Pueblo, CO, US · Recreation & Sports · Latest available filing year: 2007 · Primary form: IRS Form 990-N

  39. Old Ways Ltd

    EIN 841267567 · Headquarters: Denver, CO, US · Education · Latest available filing year: 2007 · Primary form: IRS Form 990-N

  40. Oleta Crain Enrichment Academy

    EIN 261342506 · Headquarters: Denver, CO, USA · Youth Development · Latest available filing year: 2024 · Primary form: IRS Form 990

  41. Olga W Griffin Ministry

    EIN 272377254 · Headquarters: Avon, CO, US · Religion Related · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  42. Olibama Lopez Tushar-hispanic Legacy Research Center

    EIN 841457925 · Headquarters: Lakewood, CO, US · Arts, Culture & Humanities · Latest available filing year: 2016 · Primary form: IRS Form 990-N

  43. Oligarchy Extension Ditch Company

    EIN 846036249 · Headquarters: Longmont, CO, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  44. Olin Housing Corporation

    EIN 840885668 · Headquarters: DENVER, CO, US · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-N

  45. Olipad-tanzania

    EIN 825115033 · Headquarters: Littleton, CO, USA · Human Services · Latest available filing year: 2024 · Primary form: IRS Form 990-EZ

  46. Olive Branch Ministries

    EIN 260428845 · Headquarters: Brighton, CO, USA · Religion Related · Latest available filing year: 2025 · Primary form: IRS Form 990-EZ

  47. Olive Branch Network

    EIN 990765812 · Headquarters: COLORADO SPRINGS, CO, USA · Religion Related · Latest available filing year: 2024 · Primary form: IRS Form 990

  48. Olive Branch Outreach

    EIN 453200027 · Headquarters: Loveland, CO, USA · Religion Related · Latest available filing year: 2024 · Primary form: IRS Form 990-EZ

  49. Olive Tree Inc

    EIN 352238524 · Headquarters: Fort Collins, CO, USA · Education · Latest available filing year: 2024 · Primary form: IRS Form 990

  50. Oliver Manufacturing Company Inc Employee Welfare Fund Plan And

    EIN 840897602 · Headquarters: Rocky Ford, CO, US · Mutual & Membership Benefit · Latest available filing year: 2010 · Primary form: IRS Form 990-N

  51. Olivia Jones Family Foundation

    EIN 203313453 · Headquarters: Denver, CO, USA · Philanthropy, Voluntarism & Grantmaking Foundations · Latest available filing year: 2024 · Primary form: IRS Form 990-PF

  52. Ollies Bike Parade

    EIN 992310544 · Headquarters: Fort Collins, CO, US · Civil Rights, Social Action & Advocacy · Latest available filing year: 2024 · Primary form: IRS Form 990-N

  53. Olson Family Foundation

    EIN 205331904 · Headquarters: COLORADO SPRINGS, CO, USA · Philanthropy, Voluntarism & Grantmaking Foundations · Latest available filing year: 2018 · Primary form: IRS Form 990-PF

  54. Olson Vander Heyden Fdn Inc Co Thomas Burke Jr

    EIN 841479890 · Headquarters: DENVER, CO, USA · Philanthropy, Voluntarism & Grantmaking Foundations · Latest available filing year: 2024 · Primary form: IRS Form 990-PF

  55. Olympia Track Club

    EIN 832243093 · Headquarters: Denver, CO, US · Recreation & Sports · Latest available filing year: 2018 · Primary form: IRS Form 990-N

  56. Olympians & Paralympians Relief Fund

    EIN 841497252 · Headquarters: Colorado Springs, CO, USA · Recreation & Sports · Latest available filing year: 2025 · Primary form: IRS Form 990-EZ

  57. Olympic City Elite

    EIN 332147741 · Headquarters: Colorado Springs, CO, US · Recreation & Sports · Latest available filing year: 2024 · Primary form: IRS Form 990-N

  58. Oman Ghana Baako USA

    EIN 851482498 · Headquarters: Denver, CO, US · Public & Societal Benefit · Latest available filing year: 2024 · Primary form: IRS Form 990-N

  59. Omar D Blair Charter School

    EIN 201291037 · Headquarters: Denver, CO, USA · Education · Latest available filing year: 2024 · Primary form: IRS Form 990

  60. Omashate Foundation Inc

    EIN 824495874 · Headquarters: Englewood, CO, USA · Philanthropy, Voluntarism & Grantmaking Foundations · Latest available filing year: 2025 · Primary form: IRS Form 990-PF

  61. Omega Home Health Inc

    EIN 853732053 · Headquarters: DENVER, CO, USA · Human Services · Latest available filing year: 2025 · Primary form: IRS Form 990

  62. Omega Leadership Academy

    EIN 844644217 · Headquarters: Aurora, CO, US · Youth Development · Latest available filing year: 2022 · Primary form: IRS Form 990-N

  63. Omega Network Inc

    EIN 204289442 · Headquarters: Salida, CO, USA · Philanthropy, Voluntarism & Grantmaking Foundations · Latest available filing year: 2025 · Primary form: IRS Form 990-PF

  64. Omega Psi Phi Franternity

    EIN 852131440 · Headquarters: Aurora, CO, US · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-N

  65. Omega Psi Phi Fraternity

    EIN 461589209 · Headquarters: COLORADO SPGS, CO, USA · Community Improvement & Capacity Building · Latest available filing year: 2024 · Primary form: IRS Form 990-EZ

  66. Omega Psi Phi Fraternity

    EIN 846027407 · Headquarters: Denver, CO, US · Education · Latest available filing year: 2009 · Primary form: IRS Form 990-N

  67. Omega Zeta Chapter Chi Sigma Iota International Honor Society

    EIN 470967671 · Headquarters: MEAD, CO, US · Unknown & Unclassified · Latest available filing year: 2015 · Primary form: IRS Form 990-N

  68. Omegakarateusateaminc

    EIN 841579669 · Headquarters: ELIZABETH, CO, US · Recreation & Sports · Latest available filing year: 2016 · Primary form: IRS Form 990-N

  69. Omerie Inc

    EIN 464795314 · Headquarters: Erie, CO, US · Youth Development · Latest available filing year: 2014 · Primary form: IRS Form 990-N

  70. Omni Financial Charity Foundation

    EIN 461919719 · Headquarters: Broomfield, CO, US · Philanthropy, Voluntarism & Grantmaking Foundations · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  71. Omni Institute

    EIN 841307563 · Headquarters: DENVER, CO, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990

  72. On Mission Global

    EIN 873875186 · Headquarters: FORT COLLINS, CO, USA · International, Foreign Affairs & National Security · Latest available filing year: 2025 · Primary form: IRS Form 990-EZ

  73. On Our Way Foundation

    EIN 923635551 · Headquarters: Littleton, CO, USA · Youth Development · Latest available filing year: 2024 · Primary form: IRS Form 990-PF

  74. On the Park

    EIN 270636941 · Headquarters: Glade Park, CO, US · Education · Latest available filing year: 2013 · Primary form: IRS Form 990-N

  75. On the Seventh

    EIN 842745026 · Headquarters: Colorado Springs, CO, US · Religion Related · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  76. On the Water Ministries

    EIN 862145733 · Headquarters: Colorado Spgs, CO, US · Religion Related · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  77. On Time for Recovery Inc

    EIN 270621351 · Headquarters: Centennial, CO, US · Human Services · Latest available filing year: 2010 · Primary form: IRS Form 990-N

  78. On Your Feet Foundation Colorado

    EIN 461120845 · Headquarters: Louisville, CO, US · Human Services · Latest available filing year: 2011 · Primary form: IRS Form 990-N

  79. Once a Man Twice a Child

    EIN 383848247 · Headquarters: DENVER, CO, US · Unknown & Unclassified · Latest available filing year: 2016 · Primary form: IRS Form 990-N

  80. Ondo Scientia

    EIN 932005613 · Headquarters: DENVER, CO, USA · Education · Latest available filing year: 2025 · Primary form: IRS Form 990-PF

  81. One 2 One Esl Tutors

    EIN 811691280 · Headquarters: Eaton, CO, US · Unknown & Unclassified · Latest available filing year: 2017 · Primary form: IRS Form 990-N

  82. One Accord Life Ministries

    EIN 464864368 · Headquarters: Denver, CO, US · Religion Related · Latest available filing year: 2024 · Primary form: IRS Form 990-N

  83. One Act a Day

    EIN 471353067 · Headquarters: Boulder, CO, US · Civil Rights, Social Action & Advocacy · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  84. One Arvada

    EIN 832960939 · Headquarters: arvada, CO, US · Human Services · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  85. One Billion Women Coalition

    EIN 334535912 · Headquarters: Colorado Springs, CO, US · Human Services · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  86. One Body Ent

    EIN 824747029 · Headquarters: Colorado Springs, CO, USA · Arts, Culture & Humanities · Latest available filing year: 2025 · Primary form: IRS Form 990

  87. One Body One Spirit

    EIN 852107315 · Headquarters: Colorado Springs, CO, US · Religion Related · Latest available filing year: 2023 · Primary form: IRS Form 990-N

  88. One by One

    EIN 320816398 · Headquarters: Highlands Ranch, CO, US · Human Services · Latest available filing year: 2024 · Primary form: IRS Form 990-N

  89. One Cancer Place

    EIN 863374986 · Headquarters: Denver, CO, USA · Health Care · Latest available filing year: 2025 · Primary form: IRS Form 990

  90. One Challenge USA

    EIN 472675700 · Headquarters: Colorado Springs, CO, USA · Human Services · Latest available filing year: 2023 · Primary form: IRS Form 990

  91. One Colorado

    EIN 271332464 · Headquarters: DENVER, CO, USA · Human Services · Latest available filing year: 2024 · Primary form: IRS Form 990

  92. One Colorado Education Fund

    EIN 271333378 · Headquarters: DENVER, CO, USA · Civil Rights, Social Action & Advocacy · Latest available filing year: 2024 · Primary form: IRS Form 990

  93. One Congruex Foundation

    EIN 881808660 · Headquarters: BOULDER, CO, US · Philanthropy, Voluntarism & Grantmaking Foundations · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  94. One Day at a Time Counseling Center

    EIN 203336893 · Headquarters: Greenwood Village, CO, US · Mental Health & Crisis Intervention · Latest available filing year: 2016 · Primary form: IRS Form 990-N

  95. One Delta County

    EIN 841332310 · Headquarters: Delta, CO, USA · Community Improvement & Capacity Building · Latest available filing year: 2025 · Primary form: IRS Form 990

  96. One Dog at a Time

    EIN 834327472 · Headquarters: Colorado Springs, CO, US · Animal Related · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  97. One Dollar One Stick One Mile

    EIN 460816200 · Headquarters: Denver, CO, US · Philanthropy, Voluntarism & Grantmaking Foundations · Latest available filing year: 2016 · Primary form: IRS Form 990-N

  98. One Dream

    EIN 920708422 · Headquarters: Denver, CO, US · Education · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  99. One Ear Out

    EIN 824540605 · Headquarters: Thornton, CO, US · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-N

  100. One Earth Foundation

    EIN 830997583 · Headquarters: South Fork, CO, USA · Philanthropy, Voluntarism & Grantmaking Foundations · Latest available filing year: 2025 · Primary form: IRS Form 990-PF

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