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. Portfolio Inc

    EIN 431526991 · Headquarters: Saint Louis, MO, US · Unknown & Unclassified · Latest available filing year: 2023 · Primary form: IRS Form 990-N

  2. Porthouse Foundation

    EIN 346525861 · Headquarters: CHESTERFIELD, MO, USA · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-PF

  3. Portia Bell Hume Behavioral Health and Training Center

    EIN 680316387 · Headquarters: CONCORD, CA, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990

  4. Portland Accountability PAC

    EIN 884160098 · Headquarters: Portland, OR, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  5. Portland Actors Ensemble

    EIN 237372144 · Headquarters: Portland, OR, US · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-N

  6. Portland Aikido

    EIN 010471000 · Headquarters: Portland, ME, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  7. Portland Alliance PAC

    EIN 874838559 · Headquarters: Portland, OR, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  8. Portland Alumnae Chapter of Delta Delta Delta

    EIN 931183642 · Headquarters: Milwaukie, OR, US · Unknown & Unclassified · Latest available filing year: 2011 · Primary form: IRS Form 990-N

  9. Portland Amateur Baseball Association

    EIN 936029987 · Headquarters: BEAVERTON, OR, US · Unknown & Unclassified · Latest available filing year: 2019 · Primary form: IRS Form 990-N

  10. Portland Aquatic Club

    EIN 930959104 · Headquarters: Portland, OR, US · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990

  11. Portland Area Service Group Inc

    EIN 382071418 · Headquarters: PORTLAND, MI, USA · Unknown & Unclassified · Latest available filing year: 2022 · Primary form: IRS Form 990-EZ

  12. Portland Art Guild

    EIN 237304137 · Headquarters: Portland, OR, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  13. Portland Association of Teachers Inc

    EIN 930557517 · Headquarters: PORTLAND, OR, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990

  14. Portland Athletic Boosters

    EIN 521377475 · Headquarters: PORTLAND, MI, USA · Unknown & Unclassified · Latest available filing year: 2023 · Primary form: IRS Form 990-EZ

  15. Portland Bicycling Club

    EIN 237125266 · Headquarters: Portland, OR, USA · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-EZ

  16. Portland Central America Solidarity Committee

    EIN 930956411 · Headquarters: Portland, OR, USA · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-EZ

  17. Portland Chamber Music

    EIN 273438420 · Headquarters: Portland, OR, US · Unknown & Unclassified · Latest available filing year: 2012 · Primary form: IRS Form 990-N

  18. Portland Chamber of Commerce

    EIN 741544860 · Headquarters: PORTLAND, TX, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990

  19. Portland Chamber Orchestra Association

    EIN 930556942 · Headquarters: Portland, OR, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  20. Portland Chapt No 297 Women of the Moose

    EIN 930664274 · Headquarters: Portland, OR, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  21. Portland Chapter - Native Plant Society of Oregon

    EIN 272893816 · Headquarters: Portland, OR, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  22. Portland Chapter 1971 Women of the Moose

    EIN 010474288 · Headquarters: Portland, ME, US · Unknown & Unclassified · Latest available filing year: 2023 · Primary form: IRS Form 990-N

  23. Portland Chapter Military Officers Association of America

    EIN 936036203 · Headquarters: Beaverton, OR, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  24. Portland Chapter of Construction Specification In

    EIN 930760052 · Headquarters: PORTLAND, OR, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-EZ

  25. Portland Checkers Joint Port Labor Relations Committee

    EIN 930200505 · Headquarters: SAN FRANCISCO, CA, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990

  26. Portland Chess Foundation

    EIN 930909496 · Headquarters: Portland, OR, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  27. Portland Chinese Scholarship Foundation

    EIN 936027259 · Headquarters: Portland, OR, USA · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990

  28. Portland Christian Network Services

    EIN 930821228 · Headquarters: PORTLAND, OR, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990

  29. Portland Citizens Police Academy Alumni Association a Indiana Not-f

    EIN 371547720 · Headquarters: PORTLAND, IN, US · Unknown & Unclassified · Latest available filing year: 2020 · Primary form: IRS Form 990-N

  30. Portland City United Soccer Club

    EIN 931079241 · Headquarters: PORTLAND, OR, USA · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990

  31. Portland Clean Air Fund

    EIN 832046252 · Headquarters: PORTLAND, OR, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990

  32. Portland Clean Energy Fund

    EIN 830729489 · Headquarters: Portland, OR, US · Unknown & Unclassified · Latest available filing year: 2019 · Primary form: IRS Form 990-N

  33. Portland Commerce Exchange

    EIN 263902958 · Headquarters: Portland, ME, US · Unknown & Unclassified · Latest available filing year: 2014 · Primary form: IRS Form 990-N

  34. Portland Commercial Club-elderly Housing

    EIN 456016232 · Headquarters: PORTLAND, ND, USA · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-EZ

  35. Portland Community Chorus

    EIN 010371258 · Headquarters: Portland, ME, US · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-N

  36. Portland Community Food Bank Inc

    EIN 382832191 · Headquarters: Portland, MI, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  37. Portland Community for Birth

    EIN 471950536 · Headquarters: LAKE OSWEGO, OR, US · Unknown & Unclassified · Latest available filing year: 2015 · Primary form: IRS Form 990-N

  38. Portland Community Reinvestment Initiatives Inc

    EIN 931059146 · Headquarters: PORTLAND, OR, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990

  39. Portland Country Club

    EIN 010142660 · Headquarters: Falmouth, ME, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990

  40. Portland Country Dance Community

    EIN 930795264 · Headquarters: PORTLAND, OR, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-EZ

  41. Portland Craftsmen Club

    EIN 274566400 · Headquarters: portland, OR, US · Unknown & Unclassified · Latest available filing year: 2014 · Primary form: IRS Form 990-N

  42. Portland Design Thinkers

    EIN 922356032 · Headquarters: PORTLAND, OR, US · Unknown & Unclassified · Latest available filing year: 2023 · Primary form: IRS Form 990-N

  43. Portland Distillery Row Inc

    EIN 273153441 · Headquarters: Portland, OR, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  44. Portland Dixieland Jazz Society

    EIN 510155179 · Headquarters: Troutdale, OR, US · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-N

  45. Portland Dog Obedience Club

    EIN 237327662 · Headquarters: Oregon City, OR, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  46. Portland Downtown Neighborhood Association

    EIN 930725579 · Headquarters: PORTLAND, OR, US · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-N

  47. Portland Education Association C/o Audrey Cabral

    EIN 010346260 · Headquarters: SOUTH PORTLAND, ME, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990

  48. Portland Exchange Club 1257

    EIN 066057050 · Headquarters: PORTLAND, CT, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-EZ

  49. Portland Fbira Employee Association

    EIN 814385793 · Headquarters: Portland, OR, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  50. Portland Federation of School Professionals AFT Local 111

    EIN 930520343 · Headquarters: PORTLAND, OR, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990

  51. Portland Female Charitable Society

    EIN 010370961 · Headquarters: PORTLAND, ME, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-PF

  52. Portland Festival Symphony

    EIN 930796059 · Headquarters: Portland, OR, US · Unknown & Unclassified · Latest available filing year: 2023 · Primary form: IRS Form 990-N

  53. Portland Ffa Alumni Association

    EIN 621868165 · Headquarters: Portland, TN, US · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-N

  54. Portland Firefighters Beneficiary Association Inc

    EIN 930166800 · Headquarters: Portland, OR, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  55. Portland Firefighters Union Local 740

    EIN 016011483 · Headquarters: PORTLAND, ME, USA · Unknown & Unclassified · Latest available filing year: 2023 · Primary form: IRS Form 990

  56. Portland Folklore Society

    EIN 930742134 · Headquarters: Portland, OR, USA · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-EZ

  57. Portland Football Officials Assoc C/o Jeff Rink Treasurer

    EIN 930810412 · Headquarters: PORTLAND, OR, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  58. Portland for All

    EIN 933347301 · Headquarters: Portland, OR, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  59. Portland for All PAC

    EIN 331325964 · Headquarters: Portland, OR, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  60. Portland Fruit Tree Project

    EIN 930719546 · Headquarters: Portland, OR, United States · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990

  61. Portland Gay Men's Chorus Inc

    EIN 930776616 · Headquarters: PORTLAND, OR, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990

  62. Portland General Electric Company Employees' Benefit Trust

    EIN 930825790 · Headquarters: CHICAGO, IL, USA · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990

  63. Portland Golf Club

    EIN 930256880 · Headquarters: PORTLAND, OR, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990

  64. Portland Gun Club

    EIN 930256905 · Headquarters: EAGLE CREEK, OR, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990

  65. Portland High School Sideliners Inc

    EIN 061137324 · Headquarters: Portland, CT, US · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-N

  66. Portland Historical Society Inc

    EIN 060950853 · Headquarters: Portland, CT, US · Unknown & Unclassified · Latest available filing year: 2022 · Primary form: IRS Form 990-N

  67. Portland Hook and Ladder Co No 1 Service Award Program

    EIN 300648816 · Headquarters: PORTLAND, PA, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-EZ

  68. Portland Housing Development Corporation

    EIN 222527595 · Headquarters: PORTLAND, ME, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990

  69. Portland Human Resource Management Assoc

    EIN 930841560 · Headquarters: Portland, OR, USA · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990

  70. Portland Irish Dance Academy

    EIN 270746525 · Headquarters: Vancouver, WA, US · Unknown & Unclassified · Latest available filing year: 2011 · Primary form: IRS Form 990-N

  71. Portland Jobs with Justice

    EIN 931120523 · Headquarters: Portland, OR, US · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-N

  72. Portland Joint Port Labor Relations Committee

    EIN 930200506 · Headquarters: SAN FRANCISCO, CA, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990

  73. Portland Kayak and Canoe Team Inc

    EIN 931076649 · Headquarters: Portland, OR, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  74. Portland Kiwanis Club Charity Fund

    EIN 830349141 · Headquarters: Portland, ME, US · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-N

  75. Portland Lace Society Inc

    EIN 262154331 · Headquarters: Sheridan, OR, US · Unknown & Unclassified · Latest available filing year: 2020 · Primary form: IRS Form 990-N

  76. Portland Lawn Bowling Club Inc

    EIN 473276236 · Headquarters: St Helens, OR, US · Unknown & Unclassified · Latest available filing year: 2023 · Primary form: IRS Form 990-N

  77. Portland Lesbian Choir

    EIN 930966789 · Headquarters: PORTLAND, OR, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990

  78. Portland Lions Club

    EIN 831770296 · Headquarters: Portland, CT, US · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-N

  79. Portland Literacy Council Inc

    EIN 931155321 · Headquarters: PORTLAND, OR, USA · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990

  80. Portland Local Union No 114 Int'l Alliance of Theatrical Stage Employ

    EIN 016024182 · Headquarters: PORTLAND, ME, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-EZ

  81. Portland Lodge No 291

    EIN 930319747 · Headquarters: Portland, OR, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-EZ

  82. Portland Lulac Council

    EIN 474676396 · Headquarters: PORTLAND, OR, US · Unknown & Unclassified · Latest available filing year: 2020 · Primary form: IRS Form 990-N

  83. Portland Lutheran Association for Christian Education

    EIN 237379756 · Headquarters: PORTLAND, OR, USA · Unknown & Unclassified · Latest available filing year: 2022 · Primary form: IRS Form 990

  84. Portland Macintosh Users Group Inc

    EIN 930890219 · Headquarters: Portland, OR, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  85. Portland Maine Elks Lodge No 188

    EIN 010027748 · Headquarters: PORTLAND, ME, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990

  86. Portland Marathon Inc Road Runners Club of America

    EIN 931015627 · Headquarters: PORTLAND, OR, USA · Unknown & Unclassified · Latest available filing year: 2020 · Primary form: IRS Form 990-EZ

  87. Portland Marine Society

    EIN 016016000 · Headquarters: BUXTON, ME, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  88. Portland Masonic Hall Association

    EIN 232731632 · Headquarters: PORTLAND, PA, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  89. Portland Media Center

    EIN 010403485 · Headquarters: Portland, ME, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990

  90. Portland Metro Arts

    EIN 930852980 · Headquarters: PORTLAND, OR, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990

  91. Portland Metro Crime Stoppers Inc

    EIN 930816587 · Headquarters: PORTLAND, OR, USA · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-EZ

  92. Portland Metro Lpga Girls Golf Club

    EIN 931233226 · Headquarters: Estacada, OR, US · Unknown & Unclassified · Latest available filing year: 2009 · Primary form: IRS Form 990-N

  93. Portland Metro Open Cricket Club

    EIN 812484635 · Headquarters: CLACKAMAS, OR, USA · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-PF

  94. Portland Metropolitan Association of Rea

    EIN 936031951 · Headquarters: PORTLAND, OR, USA · Unknown & Unclassified · Latest available filing year: 2023 · Primary form: IRS Form 990

  95. Portland Metropolitan Softball Association

    EIN 237382469 · Headquarters: Portland, OR, USA · Unknown & Unclassified · Latest available filing year: 2023 · Primary form: IRS Form 990

  96. Portland Mills Cemetery Association

    EIN 350957610 · Headquarters: Russellville, IN, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  97. Portland Mindfulness and Psychotherapy Collective

    EIN 273055406 · Headquarters: Portland, OR, US · Unknown & Unclassified · Latest available filing year: 2011 · Primary form: IRS Form 990-N

  98. Portland Miniature Schnauzer Club

    EIN 943464744 · Headquarters: Portland, OR, US · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-N

  99. Portland Moto Syndicate

    EIN 863169438 · Headquarters: BEAVERTON, OR, US · Unknown & Unclassified · Latest available filing year: 2021 · Primary form: IRS Form 990-N

  100. Portland Museum Inc

    EIN 237422794 · Headquarters: LOUISVILLE, KY, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990

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