Unknown & Unclassified nonprofits in Oregon

Unknown & Unclassified nonprofits in Oregon. Browse 8,031 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. Alpha Chi Omega Fraternity Inc

    EIN 936030841 · Headquarters: Oregon City, OR, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  2. Alpha Delta Kappa Sorority Inc

    EIN 237023470 · Headquarters: Scio, OR, US · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-N

  3. Alpha Delta Kappa Sorority Inc

    EIN 936027618 · Headquarters: KLAMATH FALLS, OR, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  4. Alpha Gamma Delta Fraternity

    EIN 930388543 · Headquarters: CORVALLIS, OR, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990

  5. Alpha Gamma Delta Fraternity

    EIN 936031276 · Headquarters: BEAVERTON, OR, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  6. Alpha Gamma Rho Fraternity

    EIN 930401003 · Headquarters: CORVALLIS, OR, USA · Unknown & Unclassified · Latest available filing year: 2023 · Primary form: IRS Form 990-EZ

  7. Alpha Iota Sorority

    EIN 936041997 · Headquarters: PORTLAND, OR, US · Unknown & Unclassified · Latest available filing year: 2020 · Primary form: IRS Form 990-N

  8. Alpha Kappa of Kappa Delta Association

    EIN 936032303 · Headquarters: CORVALLIS, OR, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990

  9. Alpha Lambda Delta

    EIN 936042655 · Headquarters: Salem, OR, US · Unknown & Unclassified · Latest available filing year: 2008 · Primary form: IRS Form 990-N

  10. Alpha Lambda House Corporation of Kappa Delta Sorority

    EIN 931029326 · Headquarters: EUGENE, OR, USA · Unknown & Unclassified · Latest available filing year: 2021 · Primary form: IRS Form 990

  11. Alpha Omega Chapter of Pi Kappa Phi Fraternity

    EIN 462455863 · Headquarters: EUGENE, OR, USA · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-EZ

  12. Alpha Phi Omega

    EIN 936032304 · Headquarters: Eugene, OR, US · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-N

  13. Alpha Pi Mu Association

    EIN 237075570 · Headquarters: Corvallis, OR, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  14. Alpha Psi Delta Fraternity

    EIN 936033074 · Headquarters: Salem, OR, US · Unknown & Unclassified · Latest available filing year: 2019 · Primary form: IRS Form 990-N

  15. Alpine East Inc

    EIN 931098816 · Headquarters: PORTLAND, OR, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990

  16. Alsea Rural Health Care Inc

    EIN 930773246 · Headquarters: Alsea, OR, US · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-N

  17. Alsi Historical and Geneology Society Inc

    EIN 930796630 · Headquarters: Waldport, OR, US · Unknown & Unclassified · Latest available filing year: 2022 · Primary form: IRS Form 990-N

  18. Altair Ski & Sports Club

    EIN 930945507 · Headquarters: Springfield, OR, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  19. Alternatives Youth Activities Inc

    EIN 930735343 · Headquarters: Coos Bay, OR, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990

  20. Altrusa Club of Yaquina Bay Inc

    EIN 930813713 · Headquarters: Newport, OR, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  21. Altrusa International Foundation Inc

    EIN 931032303 · Headquarters: Hermiston, OR, US · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-N

  22. Altrusa International Foundation Inc

    EIN 931124677 · Headquarters: Corvallis, OR, US · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-N

  23. Altrusa International Foundation of Pendleton Oregon Inc

    EIN 931310468 · Headquarters: Pendleton, OR, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-EZ

  24. Altrusa International Foundation of Roseburg Oregon Inc

    EIN 931002915 · Headquarters: ROSEBURG, OR, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990

  25. Altrusa International Foundation of Yaquina Bay Inc

    EIN 930990011 · Headquarters: Newport, OR, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  26. Altrusa International Inc

    EIN 237017171 · Headquarters: PENDLETON, OR, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  27. Altrusa International Inc

    EIN 930688239 · Headquarters: Hermiston, OR, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  28. Altrusa International Inc

    EIN 930748851 · Headquarters: Roseburg, OR, US · Unknown & Unclassified · Latest available filing year: 2023 · Primary form: IRS Form 990-N

  29. Altrusa International Inc

    EIN 936030968 · Headquarters: Corvallis, OR, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  30. Altrusa International Inc of Albany

    EIN 936041445 · Headquarters: ALBANY, OR, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-EZ

  31. Altrusa Intl of Eugene Oregon Inc

    EIN 384006643 · Headquarters: Eugene, OR, US · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-N

  32. Alumni Association of Alpha Sigma Chapter of Alpha Tau Omega

    EIN 936030969 · Headquarters: PORTLAND, OR, USA · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990

  33. Ama Pdx Chapter of the American Marketing Association

    EIN 931048764 · Headquarters: PORTLAND, OR, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-EZ

  34. Amador Calaveras Ccl

    EIN 844799700 · Headquarters: Tillamook, OR, US · Unknown & Unclassified · Latest available filing year: 2023 · Primary form: IRS Form 990-N

  35. Amalgamated Transit Union

    EIN 930111775 · Headquarters: Portland, OR, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990

  36. Amateur Athletic Union of the United States

    EIN 010838585 · Headquarters: Eugene, OR, US · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-N

  37. Amateur Athletic Union of the United States

    EIN 471577087 · Headquarters: Portland, OR, US · Unknown & Unclassified · Latest available filing year: 2022 · Primary form: IRS Form 990-N

  38. Amateur Athletic Union of the United States

    EIN 920704959 · Headquarters: Eugene, OR, US · Unknown & Unclassified · Latest available filing year: 2023 · Primary form: IRS Form 990-N

  39. Amateur Athletic Union of the United States Inc

    EIN 861169941 · Headquarters: CENTRAL POINT, OR, US · Unknown & Unclassified · Latest available filing year: 2022 · Primary form: IRS Form 990-N

  40. Amateur Athletic Union of the United States Inc

    EIN 920961555 · Headquarters: CHRISTMAS VALLEY, OR, US · Unknown & Unclassified · Latest available filing year: 2021 · Primary form: IRS Form 990-N

  41. Amateur Athletic Unions of the Us Inc

    EIN 901015553 · Headquarters: Grants Pass, OR, US · Unknown & Unclassified · Latest available filing year: 2021 · Primary form: IRS Form 990-N

  42. Amazing Grace Enterprises

    EIN 262730335 · Headquarters: Madras, OR, US · Unknown & Unclassified · Latest available filing year: 2010 · Primary form: IRS Form 990-N

  43. Amberglen Owners Association

    EIN 202063758 · Headquarters: Hillsboro, OR, USA · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990

  44. Amercian Legion

    EIN 930499247 · Headquarters: Hillsboro, OR, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  45. America Inns of Court Foundation

    EIN 931222484 · Headquarters: Bend, OR, US · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-N

  46. American Academy of Dental Practice Admn

    EIN 386090752 · Headquarters: BEAVERTON, OR, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990

  47. American Academy of Gold Foil Operators

    EIN 510177148 · Headquarters: Portland, OR, US · Unknown & Unclassified · Latest available filing year: 2019 · Primary form: IRS Form 990-N

  48. American Academy of Matrimonial Lawyers

    EIN 931187489 · Headquarters: Portland, OR, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  49. American Alliance for Medical Cannabis

    EIN 452780770 · Headquarters: Arch Cape, OR, US · Unknown & Unclassified · Latest available filing year: 2018 · Primary form: IRS Form 990-N

  50. American Alliance for Professional Acupuncture and Safety

    EIN 811298608 · Headquarters: Hood River, OR, USA · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-EZ

  51. American Amateur Press Association

    EIN 592272399 · Headquarters: Canby, OR, US · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-N

  52. American Assoc for Respiratory Therapy Inc

    EIN 930847672 · Headquarters: Brownsville, OR, USA · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-EZ

  53. American Association for Fate Analysis and Psychoanalysis

    EIN 333661572 · Headquarters: PORTLAND, OR, USA · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-EZ

  54. American Association for Women in Community Colleges

    EIN 237351232 · Headquarters: SALEM, OR, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990

  55. American Association of Homeopathic

    EIN 541180489 · Headquarters: MILWAUKIE, OR, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990

  56. American Association of University Women Inc

    EIN 263182843 · Headquarters: Bend, OR, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  57. American Association of Zoo Keepers

    EIN 930714387 · Headquarters: Portland, OR, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  58. American Cetacean Society

    EIN 371701755 · Headquarters: Corvallis, OR, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  59. American Chemical Society

    EIN 936033730 · Headquarters: Corvallis, OR, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  60. American Chemical Society

    EIN 936034605 · Headquarters: Portland, OR, USA · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-EZ

  61. American Chiropractic Association- Council on Pediatrics

    EIN 203464057 · Headquarters: Portland, OR, USA · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-EZ

  62. American Civil Liberties Union of Oregon Inc

    EIN 930556378 · Headquarters: Portland, OR, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990

  63. American College of Dentists

    EIN 521384711 · Headquarters: Portland, OR, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  64. American Council for Palestine

    EIN 992519395 · Headquarters: TIGARD, OR, US · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-N

  65. American Council of Engineering Companies of Oregon

    EIN 237404525 · Headquarters: PORTLAND, OR, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990

  66. American Fed of Musicians 689

    EIN 930213974 · Headquarters: EUGENE, OR, USA · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-EZ

  67. American Fed of State Cnty and Muni Dba 328 or Health Sciences Univ Emp

    EIN 930902056 · Headquarters: PORTLAND, OR, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990

  68. American Federation of Government Employees

    EIN 364676924 · Headquarters: MEDFORD, OR, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  69. American Federation of Government Employees

    EIN 900044321 · Headquarters: Sheridan, OR, USA · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-EZ

  70. American Federation of Government Employees

    EIN 900777642 · Headquarters: Springfield, OR, US · Unknown & Unclassified · Latest available filing year: 2019 · Primary form: IRS Form 990-N

  71. American Federation of Government Employees

    EIN 931261291 · Headquarters: Philomath, OR, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  72. American Federation of Government Employees Local 1127

    EIN 273389750 · Headquarters: MILWAUKIE, OR, USA · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-EZ

  73. American Federation of Labor & Congress of Industrial Orgs

    EIN 930557936 · Headquarters: Bend, OR, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  74. American Federation of Labor & Congress of Industrial Orgs

    EIN 930952131 · Headquarters: Central Point, OR, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  75. American Federation of Labor & Metal Trades of Portland Oregon

    EIN 930225324 · Headquarters: PORTLAND, OR, USA · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-EZ

  76. American Federation of Musicians Local 99

    EIN 930233010 · Headquarters: PORTLAND, OR, USA · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990

  77. American Federation of State County & Municipal Employee

    EIN 931064088 · Headquarters: Yachats, OR, US · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-N

  78. American Federation of State County & Municipal Employees

    EIN 201264647 · Headquarters: St Helens, OR, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  79. American Federation of State County & Municipal Employees

    EIN 203326110 · Headquarters: Albany, OR, US · Unknown & Unclassified · Latest available filing year: 2021 · Primary form: IRS Form 990-N

  80. American Federation of State County & Municipal Employees

    EIN 203968641 · Headquarters: Lakeview, OR, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  81. American Federation of State County & Municipal Employees

    EIN 237118487 · Headquarters: Salem, OR, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-EZ

  82. American Federation of State County & Municipal Employees

    EIN 237118488 · Headquarters: Salem, OR, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  83. American Federation of State County & Municipal Employees

    EIN 237118493 · Headquarters: Lebanon, OR, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  84. American Federation of State County & Municipal Employees

    EIN 237441779 · Headquarters: Astoria, OR, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  85. American Federation of State County & Municipal Employees

    EIN 237442337 · Headquarters: Salem, OR, US · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-N

  86. American Federation of State County & Municipal Employees

    EIN 237446300 · Headquarters: Klamath Falls, OR, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  87. American Federation of State County & Municipal Employees

    EIN 260062715 · Headquarters: Salem, OR, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  88. American Federation of State County & Municipal Employees

    EIN 260093237 · Headquarters: Junction City, OR, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  89. American Federation of State County & Municipal Employees

    EIN 261112914 · Headquarters: Springfield, OR, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  90. American Federation of State County & Municipal Employees

    EIN 262066205 · Headquarters: Portland, OR, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  91. American Federation of State County & Municipal Employees

    EIN 273642791 · Headquarters: Salem, OR, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  92. American Federation of State County & Municipal Employees

    EIN 300290528 · Headquarters: Salem, OR, US · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-N

  93. American Federation of State County & Municipal Employees

    EIN 300545182 · Headquarters: Medford, OR, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  94. American Federation of State County & Municipal Employees

    EIN 300770923 · Headquarters: Newberg, OR, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  95. American Federation of State County & Municipal Employees

    EIN 331600654 · Headquarters: Sherwood, OR, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  96. American Federation of State County & Municipal Employees

    EIN 352398327 · Headquarters: Coquille, OR, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  97. American Federation of State County & Municipal Employees

    EIN 371610620 · Headquarters: Portland, OR, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  98. American Federation of State County & Municipal Employees

    EIN 371665859 · Headquarters: Newberg, OR, US · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-N

  99. American Federation of State County & Municipal Employees

    EIN 383954030 · Headquarters: Salem, OR, US · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-N

  100. American Federation of State County & Municipal Employees

    EIN 455050508 · Headquarters: Portland, OR, US · Unknown & Unclassified · Latest available filing year: 2021 · Primary form: IRS Form 990-N

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