Unknown & Unclassified nonprofits

Unknown & Unclassified nonprofits. Browse 557,756 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. Portland Neighbors Welcome

    EIN 844073886 · Headquarters: Portland, OR, US · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-N

  2. Portland Opera Guild

    EIN 237257400 · Headquarters: Portland, OR, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  3. Portland Opportunities Indust Center

    EIN 930593858 · Headquarters: PORTLAND, OR, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990

  4. Portland Oregon Chapter Credit and Fin Devel Div of the Nat Assoc Cm

    EIN 931139321 · Headquarters: Portland, OR, US · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-N

  5. Portland Patients Resource Center

    EIN 383835168 · Headquarters: Portland, OR, US · Unknown & Unclassified · Latest available filing year: 2012 · Primary form: IRS Form 990-N

  6. Portland Police Association

    EIN 931117662 · Headquarters: PORTLAND, OR, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990

  7. Portland Police Beneficiary Association

    EIN 930257382 · Headquarters: Portland, OR, USA · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990

  8. Portland Police Benevolent Association

    EIN 510188186 · Headquarters: Portland, ME, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-EZ

  9. Portland Police Commanding Officers Association

    EIN 930996447 · Headquarters: Portland, OR, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  10. Portland Pro Am City League Inc

    EIN 943104569 · Headquarters: PORTLAND, OR, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-PF

  11. Portland Provident Association

    EIN 016012457 · Headquarters: PORTLAND, ME, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-PF

  12. Portland Public Library

    EIN 016000802 · Headquarters: Portland, ME, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990

  13. Portland Public Library Staff Association

    EIN 273539723 · Headquarters: Portland, ME, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  14. Portland Public Schools

    EIN 800581499 · Headquarters: Portland, ME, US · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-N

  15. Portland Quarterly Club

    EIN 834542480 · Headquarters: Portland, OR, US · Unknown & Unclassified · Latest available filing year: 2021 · Primary form: IRS Form 990-N

  16. Portland Rain

    EIN 463226654 · Headquarters: portland, OR, US · Unknown & Unclassified · Latest available filing year: 2012 · Primary form: IRS Form 990-N

  17. Portland Regional Chamber

    EIN 010043280 · Headquarters: PORTLAND, ME, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990

  18. Portland Regional Educational Telecommunications Corporation

    EIN 841360071 · Headquarters: PORTLAND, OR, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990

  19. Portland Regional Group Horseless Carriage Club of America Inc

    EIN 930555983 · Headquarters: Gresham, OR, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  20. Portland Retired Firefighters & Widows Association

    EIN 931053439 · Headquarters: Portland, OR, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  21. Portland Rifle and Pistol Club Inc

    EIN 936041671 · Headquarters: Po, OR, US · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-N

  22. Portland Right to Life

    EIN 382473820 · Headquarters: Portland, MI, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  23. Portland Rose Society

    EIN 936024641 · Headquarters: PORTLAND, OR, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-EZ

  24. Portland Rotary Charitable Fund

    EIN 222571797 · Headquarters: PORTLAND, ME, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-EZ

  25. Portland Rotary Foundation Inc Wayne W Hinkle Resident Agent

    EIN 310927479 · Headquarters: PORTLAND, IN, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  26. Portland Science Fiction Society

    EIN 201316313 · Headquarters: Portland, OR, US · Unknown & Unclassified · Latest available filing year: 2012 · Primary form: IRS Form 990-N

  27. Portland Seamens Friend Society

    EIN 010211545 · Headquarters: WINDHAM, ME, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-PF

  28. Portland Senior Citizens Inc

    EIN 621577102 · Headquarters: PORTLAND, TN, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-EZ

  29. Portland Soc for Calligraphy

    EIN 237368589 · Headquarters: Portland, OR, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  30. Portland St Univ Chapter of Aaup

    EIN 930707569 · Headquarters: PORTLAND, OR, USA · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990

  31. Portland State University Foundation

    EIN 930619733 · Headquarters: Portland, OR, US · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990

  32. Portland Swiss Incorporated

    EIN 936022929 · Headquarters: Spokane Valley, WA, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  33. Portland Symphonic Choir

    EIN 930415215 · Headquarters: Portland, OR, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990

  34. Portland Tax Forum

    EIN 930958673 · Headquarters: PORTLAND, OR, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-EZ

  35. Portland Teamsters Building Inc

    EIN 931039446 · Headquarters: Portland, OR, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-EZ

  36. Portland Tenants United

    EIN 812892461 · Headquarters: PORTLAND, OR, US · Unknown & Unclassified · Latest available filing year: 2018 · Primary form: IRS Form 990-N

  37. Portland Threshold Choir

    EIN 812791500 · Headquarters: Portland, OR, US · Unknown & Unclassified · Latest available filing year: 2020 · Primary form: IRS Form 990-N

  38. Portland Tillamook Preschool Inc The

    EIN 930743389 · Headquarters: PORTLAND, OR, USA · Unknown & Unclassified · Latest available filing year: 2023 · Primary form: IRS Form 990-EZ

  39. Portland Together

    EIN 872096753 · Headquarters: PORTLAND, ME, USA · Unknown & Unclassified · Latest available filing year: 2022 · Primary form: IRS Form 990-EZ

  40. Portland Triumph Owners Association

    EIN 237382209 · Headquarters: Newberg, OR, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  41. Portland Valley Acacia Fund Inc

    EIN 237154746 · Headquarters: PORTLAND, OR, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-PF

  42. Portland Vancouver Rowing Association

    EIN 930994576 · Headquarters: PORTLAND, OR, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-EZ

  43. Portland Veterinary Medical Association

    EIN 936036286 · Headquarters: PORTLAND, OR, USA · Unknown & Unclassified · Latest available filing year: 2023 · Primary form: IRS Form 990

  44. Portland VOA Elderly Housing Inc Bayview Heights

    EIN 010477749 · Headquarters: Alexandria, VA, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990

  45. Portland Volleyball Association

    EIN 931164119 · Headquarters: Milwaukie, OR, USA · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-EZ

  46. Portland Voter Guide PAC

    EIN 331294338 · Headquarters: Portland, OR, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  47. Portland Walking Boss Joint Port Labor Relations Committee

    EIN 930474059 · Headquarters: SAN FRANCISCO, CA, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990

  48. Portland Winemakers Club

    EIN 990772803 · Headquarters: Beaverton, OR, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  49. Portland Womens Club Inc

    EIN 930446672 · Headquarters: HILLSBORO, OR, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990

  50. Portland Wrestling Club

    EIN 382972030 · Headquarters: PORTLAND, MI, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  51. Portland Yacht Club

    EIN 010143485 · Headquarters: FALMOUTH FORESIDE, ME, USA · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990

  52. Portland Yacht Club

    EIN 930257930 · Headquarters: PORTLAND, OR, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990

  53. Portland's Singing Christmas Tree Inc

    EIN 930831324 · Headquarters: PORTLAND, OR, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990

  54. Portland-khabarovsk Sister City Assn

    EIN 930981758 · Headquarters: Portland, OR, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  55. Portlander for Schools

    EIN 204184134 · Headquarters: Portland, OR, US · Unknown & Unclassified · Latest available filing year: 2017 · Primary form: IRS Form 990-N

  56. Portlanders for Charter Reform

    EIN 883320037 · Headquarters: Portland, OR, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  57. Portlanders for Progress

    EIN 851428055 · Headquarters: Portland, OR, US · Unknown & Unclassified · Latest available filing year: 2020 · Primary form: IRS Form 990-N

  58. Portlanders for Safe and Healthy Schools

    EIN 820868652 · Headquarters: Portland, OR, USA · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-EZ

  59. Portlandia Club Inc

    EIN 930984235 · Headquarters: Portland, OR, US · Unknown & Unclassified · Latest available filing year: 2021 · Primary form: IRS Form 990-N

  60. Portledge School

    EIN 116044973 · Headquarters: Locust Valley, NY, US · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990

  61. Portman Recreation Association

    EIN 411299826 · Headquarters: DULUTH, MN, USA · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990

  62. Portneuf District Library Foundation Inc

    EIN 201626335 · Headquarters: CHUBBUCK, ID, US · Unknown & Unclassified · Latest available filing year: 2021 · Primary form: IRS Form 990-N

  63. Portneuf Valley Audubon Society

    EIN 237448821 · Headquarters: Pocatello, ID, US · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-N

  64. Portneuf Valley Development Corporation

    EIN 820424124 · Headquarters: POCATELLO, ID, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990

  65. Portneuf Valley Swim Team Inc

    EIN 510180678 · Headquarters: Pocatello, ID, US · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-N

  66. Portneuf-marsh Valley Canal Co Ltd

    EIN 820155855 · Headquarters: DOWNEY, ID, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990

  67. Porto Vecchio Christmas Fund

    EIN 760803703 · Headquarters: Alexandria, VA, USA · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-EZ

  68. Portocol Pathways

    EIN 412829875 · Headquarters: Denver, CO, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  69. Portofino Harboour Yacht Club

    EIN 320290220 · Headquarters: Kemah, TX, US · Unknown & Unclassified · Latest available filing year: 2020 · Primary form: IRS Form 990-N

  70. Portola Improvement Assn Mutual Water Co Inc

    EIN 946121452 · Headquarters: La Honda, CA, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-EZ

  71. Portola Magnet Program for Academic Excellence

    EIN 954207868 · Headquarters: TARZANA, CA, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-EZ

  72. Portola Springs Elementary PTA

    EIN 901043145 · Headquarters: Irvine, CA, USA · Unknown & Unclassified · Latest available filing year: 2023 · Primary form: IRS Form 990-EZ

  73. Portola Youth Football & Cheer Inc

    EIN 923941255 · Headquarters: Portola, CA, US · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-N

  74. Portrait of a Veteran

    EIN 393985856 · Headquarters: Universal City, TX, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  75. Portraits of Heroes

    EIN 270201806 · Headquarters: ST PETERS, MO, US · Unknown & Unclassified · Latest available filing year: 2012 · Primary form: IRS Form 990-N

  76. Ports of Phila Maritime Society

    EIN 232225822 · Headquarters: PENNSAUKEN, NJ, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990

  77. Portsmouth Area Arts Council Inc

    EIN 237073017 · Headquarters: PORTSMOUTH, OH, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-EZ

  78. Portsmouth Area Beautification Society

    EIN 311286074 · Headquarters: Portsmouth, OH, US · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-N

  79. Portsmouth Area Chapter of the Retired Officers Association

    EIN 521327094 · Headquarters: Portsmouth, VA, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  80. Portsmouth Area Mothers Milk Program Inc

    EIN 237271709 · Headquarters: Lucaville, OH, US · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-N

  81. Portsmouth Area Museums

    EIN 311089369 · Headquarters: PORTSMOUTH, OH, US · Unknown & Unclassified · Latest available filing year: 2022 · Primary form: IRS Form 990-N

  82. Portsmouth Assembly

    EIN 237245404 · Headquarters: Portsmouth, VA, US · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-N

  83. Portsmouth Bar Association

    EIN 541527768 · Headquarters: Portsmouth, VA, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  84. Portsmouth Cedar Grove Cemetery Foundation

    EIN 272242959 · Headquarters: Portsmouth, VA, US · Unknown & Unclassified · Latest available filing year: 2023 · Primary form: IRS Form 990-N

  85. Portsmouth Cemetery Corporation

    EIN 056011729 · Headquarters: Portsmouth, RI, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  86. Portsmouth Chapter 1149 Women of the Moose

    EIN 020346898 · Headquarters: Portsmouth, NH, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  87. Portsmouth Chapter 966 Women of the Moose

    EIN 510246565 · Headquarters: Chesapeake, VA, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  88. Portsmouth Chesapeake Area Foundation Inc

    EIN 540761117 · Headquarters: PORTSMOUTH, VA, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990

  89. Portsmouth Chesapeake Obedience

    EIN 542374019 · Headquarters: Portsmouth, VA, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  90. Portsmouth Christian Academy

    EIN 020465448 · Headquarters: Dover, NH, United States · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990

  91. Portsmouth College Womens Club

    EIN 026013140 · Headquarters: Lee, NH, US · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-N

  92. Portsmouth Community Health Center Inc

    EIN 541626757 · Headquarters: Portsmouth, VA, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990

  93. Portsmouth Crime Line Inc

    EIN 541174400 · Headquarters: Portsmouth, VA, US · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-N

  94. Portsmouth Development Corp

    EIN 541598358 · Headquarters: PORTSMOUTH, VA, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-PF

  95. Portsmouth Education Assn

    EIN 540969210 · Headquarters: Portsmouth, VA, US · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-N

  96. Portsmouth Evangelical Friends Chur

    EIN 237163443 · Headquarters: PORTSMOUTH, RI, USA · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-EZ

  97. Portsmouth Free Public Library Association

    EIN 050263385 · Headquarters: Portsmouth, RI, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990

  98. Portsmouth Garden Club

    EIN 020447122 · Headquarters: hampton, NH, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  99. Portsmouth Garden Club

    EIN 311104306 · Headquarters: Wheelersburg, OH, US · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-N

  100. Portsmouth General Hospital Foundation

    EIN 541463392 · Headquarters: PORTSMOUTH, VA, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-PF

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