Unknown & Unclassified nonprofits in Arizona

Unknown & Unclassified nonprofits in Arizona. Browse 7,335 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. One Mile Leadership Project Inc

    EIN 845118029 · Headquarters: Wickenburg, AZ, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-EZ

  2. One Million Entrpreneurs

    EIN 863128005 · Headquarters: Phoenix, AZ, US · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-N

  3. One Nation Forward

    EIN 475679449 · Headquarters: PHOENIX, AZ, US · Unknown & Unclassified · Latest available filing year: 2016 · Primary form: IRS Form 990-N

  4. One Summer Night Cruising Association

    EIN 364573232 · Headquarters: Lake Havasu City, AZ, US · Unknown & Unclassified · Latest available filing year: 2022 · Primary form: IRS Form 990-N

  5. Onelove

    EIN 611567295 · Headquarters: Scottsdale, AZ, US · Unknown & Unclassified · Latest available filing year: 2010 · Primary form: IRS Form 990-N

  6. Online School of Arizona

    EIN 834646381 · Headquarters: PHOENIX, AZ, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990

  7. Opc Foundation

    EIN 742793815 · Headquarters: SCOTTSDALE, AZ, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990

  8. Open Inn Inc

    EIN 860311899 · Headquarters: Tucson, AZ, USA · Unknown & Unclassified · Latest available filing year: 2012 · Primary form: IRS Form 990

  9. Operating Engineers Local 428 Health & Welfare Trust Fund

    EIN 866025730 · Headquarters: Phoenix, AZ, USA · Unknown & Unclassified · Latest available filing year: 2023 · Primary form: IRS Form 990

  10. Operating Engineers Local 428 Vacation Savings Trust Fund

    EIN 237135778 · Headquarters: Phoenix, AZ, USA · Unknown & Unclassified · Latest available filing year: 2023 · Primary form: IRS Form 990

  11. Operation Blue Ribbon

    EIN 873444432 · Headquarters: Phoenix, AZ, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  12. Operation Jesus Christ

    EIN 271560429 · Headquarters: MARANA, AZ, USA · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-EZ

  13. Operation Self-reliance

    EIN 815125191 · Headquarters: Gilbert, AZ, US · Unknown & Unclassified · Latest available filing year: 2018 · Primary form: IRS Form 990-N

  14. Operation Thrive

    EIN 991646892 · Headquarters: Chandler, AZ, US · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-N

  15. Operative Plasterers and Cement Masons Local Union 394

    EIN 823878587 · Headquarters: Phoenix, AZ, USA · Unknown & Unclassified · Latest available filing year: 2021 · Primary form: IRS Form 990-EZ

  16. Optimist International

    EIN 364026280 · Headquarters: Tucson, AZ, US · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-N

  17. Optimist International

    EIN 460517111 · Headquarters: TUCSON, AZ, US · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-N

  18. Optimist International

    EIN 814567470 · Headquarters: San Luis, AZ, US · Unknown & Unclassified · Latest available filing year: 2016 · Primary form: IRS Form 990-N

  19. Optimist International

    EIN 860168203 · Headquarters: Tucson, AZ, US · Unknown & Unclassified · Latest available filing year: 2019 · Primary form: IRS Form 990-N

  20. Optimist International

    EIN 860215019 · Headquarters: Tempe, AZ, US · Unknown & Unclassified · Latest available filing year: 2022 · Primary form: IRS Form 990-N

  21. Optimist International

    EIN 860528776 · Headquarters: Tucson, AZ, US · Unknown & Unclassified · Latest available filing year: 2022 · Primary form: IRS Form 990-N

  22. Optimist International

    EIN 860551435 · Headquarters: Sahuarita, AZ, US · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-N

  23. Optimist International

    EIN 866053090 · Headquarters: Yuma, AZ, USA · Unknown & Unclassified · Latest available filing year: 2023 · Primary form: IRS Form 990-EZ

  24. Optimist International

    EIN 866054488 · Headquarters: SOMERTON, AZ, US · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-N

  25. Optimist International

    EIN 866056715 · Headquarters: Tucson, AZ, US · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-N

  26. Optimist International

    EIN 900191591 · Headquarters: SUPERIOR, AZ, US · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-N

  27. Optimist International

    EIN 900505009 · Headquarters: Tucson, AZ, US · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-N

  28. Optimist International

    EIN 900881505 · Headquarters: Prescott, AZ, US · Unknown & Unclassified · Latest available filing year: 2016 · Primary form: IRS Form 990-N

  29. Optimist International East Valley Optimist Club of Yuma

    EIN 900314694 · Headquarters: Yuma, AZ, US · Unknown & Unclassified · Latest available filing year: 2023 · Primary form: IRS Form 990-N

  30. Oracle Historical Society Inc

    EIN 860340359 · Headquarters: Oracle, AZ, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  31. Oracle Public Library

    EIN 866053433 · Headquarters: ORACLE, AZ, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-EZ

  32. Orange County Mgma

    EIN 263568369 · Headquarters: Phoenix, AZ, US · Unknown & Unclassified · Latest available filing year: 2014 · Primary form: IRS Form 990-N

  33. Orange Theatre Group

    EIN 273203058 · Headquarters: Phoenix, AZ, US · Unknown & Unclassified · Latest available filing year: 2016 · Primary form: IRS Form 990-N

  34. Orchard Africa

    EIN 161731124 · Headquarters: Gilbert, AZ, USA · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990

  35. Order of Ahepa

    EIN 845043391 · Headquarters: Sedona, AZ, US · Unknown & Unclassified · Latest available filing year: 2020 · Primary form: IRS Form 990-N

  36. Order of Amaranth Inc

    EIN 237614213 · Headquarters: TUCSON, AZ, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  37. Order of Daedalians-old Pueblo Flight No 12

    EIN 942933311 · Headquarters: Green Valley, AZ, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  38. Order of the Amaranth Inc

    EIN 202399566 · Headquarters: Flagstaff, AZ, US · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-N

  39. Order of the Amaranth Inc

    EIN 237614552 · Headquarters: Flagstaff, AZ, US · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-N

  40. Order of the Amaranth Inc Supreme Council

    EIN 237614208 · Headquarters: Phoenix, AZ, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  41. Order of the Amaranth Inc Supreme Council

    EIN 237614209 · Headquarters: Tucson, AZ, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  42. Order of the Amaranth Inc Supreme Council

    EIN 237614210 · Headquarters: Scottsdale, AZ, US · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-N

  43. Order of the Amaranth Inc Supreme Council

    EIN 237614215 · Headquarters: Glendale, AZ, US · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-N

  44. Order of the Eastern Star of Arizon A

    EIN 237455420 · Headquarters: Pine, AZ, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  45. Order of the Eastern Star of Arizon A

    EIN 237512406 · Headquarters: Flagstaff, AZ, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  46. Order of the Eastern Star of Arizon A

    EIN 237512409 · Headquarters: Oracle, AZ, US · Unknown & Unclassified · Latest available filing year: 2019 · Primary form: IRS Form 990-N

  47. Order of the Eastern Star of Arizon A

    EIN 237512420 · Headquarters: Glendale, AZ, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  48. Order of the Eastern Star of Arizon A

    EIN 237512447 · Headquarters: Saint David, AZ, US · Unknown & Unclassified · Latest available filing year: 2021 · Primary form: IRS Form 990-N

  49. Order of the Eastern Star of Arizon A

    EIN 237512453 · Headquarters: Show Low, AZ, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  50. Order of the Eastern Star of Arizon A

    EIN 237512457 · Headquarters: Lake Havasu City, AZ, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  51. Order of the Eastern Star of Arizon A

    EIN 742551639 · Headquarters: Tucson, AZ, US · Unknown & Unclassified · Latest available filing year: 2022 · Primary form: IRS Form 990-N

  52. Order of the Eastern Star of Arizon A

    EIN 742551640 · Headquarters: Phoenix, AZ, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  53. Order of the Eastern Star of Arizon A

    EIN 860268038 · Headquarters: Tucson, AZ, US · Unknown & Unclassified · Latest available filing year: 2021 · Primary form: IRS Form 990-N

  54. Order of the Eastern Star of Arizon A

    EIN 860352126 · Headquarters: Sun City, AZ, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  55. Order of the Eastern Star of Arizon A

    EIN 866090077 · Headquarters: Casa Grande, AZ, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  56. Order of the Eastern Star of Arizon A

    EIN 900790440 · Headquarters: Phoenix, AZ, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  57. Order of the Eastern Star of Arizona

    EIN 237512403 · Headquarters: Prescott, AZ, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  58. Order of the Eastern Star of Arizona

    EIN 237512405 · Headquarters: Happy Jack, AZ, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  59. Order of the Eastern Star of Arizona

    EIN 237512410 · Headquarters: Safford, AZ, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  60. Order of the Eastern Star of Arizona

    EIN 237512413 · Headquarters: Cochise, AZ, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  61. Order of the Eastern Star of Arizona

    EIN 237512415 · Headquarters: Yuma, AZ, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  62. Order of the Eastern Star of Arizona

    EIN 237512418 · Headquarters: Kingman, AZ, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  63. Order of the Eastern Star of Arizona

    EIN 237512434 · Headquarters: Phoenix, AZ, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  64. Order of the Eastern Star of Arizona

    EIN 237512437 · Headquarters: Sun City, AZ, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  65. Order of the Eastern Star of Arizona

    EIN 237512442 · Headquarters: Litchfield Park, AZ, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  66. Order of the Eastern Star of Arizona

    EIN 237512443 · Headquarters: Phoenix, AZ, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  67. Order of the Eastern Star of Arizona

    EIN 237512444 · Headquarters: Tucson, AZ, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  68. Order of the Eastern Star of Arizona

    EIN 237512450 · Headquarters: Tucson, AZ, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  69. Order of the Eastern Star of Arizona

    EIN 237512454 · Headquarters: Cottonwood, AZ, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  70. Order of the Eastern Star of Arizona

    EIN 237512455 · Headquarters: Goodyear, AZ, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  71. Order of the Eastern Star of Arizona

    EIN 860024025 · Headquarters: Phoenix, AZ, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  72. Order of the Eastern Star of Arizona

    EIN 860275253 · Headquarters: Mesa, AZ, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  73. Order of the Eastern Star of Arizona

    EIN 860698839 · Headquarters: Green Valley, AZ, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  74. Order of the Eastern Star of Arizona

    EIN 861047490 · Headquarters: Coolidge, AZ, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  75. Order of the Eastern Star of Arizona

    EIN 866007271 · Headquarters: Scottsdale, AZ, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  76. Order of the White Shrine of Jerusalem

    EIN 237513736 · Headquarters: Scottsdale, AZ, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  77. Organization Design Forum Inc Co Tanya Spelts

    EIN 611159540 · Headquarters: Phoenix, AZ, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990

  78. Organization of Chinese-americans Inc

    EIN 274531444 · Headquarters: Tucson, AZ, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  79. Oro Valley Historical Society

    EIN 651249400 · Headquarters: Oro Valley, AZ, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  80. Oro Valley Niners

    EIN 472191100 · Headquarters: Oro Valley, AZ, US · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-N

  81. Oro Valley Swim Team Inc

    EIN 205034551 · Headquarters: Oro Valley, AZ, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  82. Orphans Paradise

    EIN 834271827 · Headquarters: Tempe, AZ, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  83. Orthodox Christian Fellowship University of Arizona Chapter

    EIN 921463187 · Headquarters: Tucson, AZ, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  84. Otto & Edna Neely Foundation

    EIN 860581770 · Headquarters: Gilbert, AZ, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-PF

  85. OU Club of Arizona

    EIN 900985764 · Headquarters: Phoenix, AZ, US · Unknown & Unclassified · Latest available filing year: 2014 · Primary form: IRS Form 990-N

  86. Oui Care Behavioral Health Inc

    EIN 873446913 · Headquarters: SCOTTSDALE, AZ, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  87. Our Family Services Inc

    EIN 942598560 · Headquarters: Tucson, AZ, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990

  88. Our Heart Beats Too

    EIN 881046968 · Headquarters: Chandler, AZ, USA · Unknown & Unclassified · Latest available filing year: 2022 · Primary form: IRS Form 990-EZ

  89. Our Lady of Czestochowa Roman Catholic Parish Phoenix

    EIN 300515230 · Headquarters: Phoenix, AZ, USA · Unknown & Unclassified · Latest available filing year: 2023 · Primary form: IRS Form 990

  90. Our Lady of the Sierras Foundation

    EIN 860727824 · Headquarters: HEREFORD, AZ, USA · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-PF

  91. Our Lady of the White Mountains

    EIN 800292128 · Headquarters: Snowflake, AZ, US · Unknown & Unclassified · Latest available filing year: 2009 · Primary form: IRS Form 990-N

  92. Our Neighbors Farm & Pantry

    EIN 200972668 · Headquarters: SAFFORD, AZ, USA · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990

  93. Outlaws Baseball Club Inc

    EIN 462275460 · Headquarters: SURPRISE, AZ, US · Unknown & Unclassified · Latest available filing year: 2013 · Primary form: IRS Form 990-N

  94. Overgaard Ponderosa Lions Foundation

    EIN 860684859 · Headquarters: Overgaard, AZ, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  95. P P a C - Phoenix Police Athletic Club

    EIN 860679942 · Headquarters: PHOENIX, AZ, USA · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-EZ

  96. P&m Trail Riders Inc

    EIN 860698335 · Headquarters: APACHE JUNCTION, AZ, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-EZ

  97. Pablio's Mission Foundation

    EIN 993373551 · Headquarters: PARADISE VALLEY, AZ, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-PF

  98. Pachart Foundation a Nonprofit Association

    EIN 860491985 · Headquarters: Tucson, AZ, US · Unknown & Unclassified · Latest available filing year: 2022 · Primary form: IRS Form 990-N

  99. Pacific Coast Society for Prosthodontics

    EIN 330368995 · Headquarters: QUEEN CREEK, AZ, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990

  100. Pacific Nw Library Assn Oregon System of Higher Education

    EIN 936031400 · Headquarters: Kingman, AZ, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

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