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. Psi Omega Fraternity Epsilon Chapter

    EIN 346541535 · Headquarters: Walterboro, SC, US · Unknown & Unclassified · Latest available filing year: 2023 · Primary form: IRS Form 990-N

  2. Psi Omega Fraternity Grand Chapter

    EIN 231573074 · Headquarters: WACONIA, MN, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990

  3. Psi Omega Fraternity Zeta Chapter

    EIN 236298814 · Headquarters: WACONIA, MN, US · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-N

  4. Psi Omega House Association Incorporated Beta Delta Chapter

    EIN 941189778 · Headquarters: SAN FRANCISCO, CA, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-EZ

  5. Psi Phi Chapter

    EIN 881960468 · Headquarters: worcester, MA, US · Unknown & Unclassified · Latest available filing year: 2023 · Primary form: IRS Form 990-N

  6. Psi Phi Chapter of Chi Eta Phi Sorority Incorporated

    EIN 453415360 · Headquarters: Baton Rouge, LA, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  7. Psi Poetic Souls Inc

    EIN 464247449 · Headquarters: Norfolk, VA, US · Unknown & Unclassified · Latest available filing year: 2017 · Primary form: IRS Form 990-N

  8. Psi Psi Psi a K a Tri Psi Sorority

    EIN 736112602 · Headquarters: Wichita, KS, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  9. Psi Sigma Phi - Zulu Zeta Chapter

    EIN 880975463 · Headquarters: Clifton, NJ, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  10. Psi Theta Nu Alumni Club of Sigma Pi Fraternity

    EIN 205454798 · Headquarters: WORCESTER, MA, USA · Unknown & Unclassified · Latest available filing year: 2022 · Primary form: IRS Form 990

  11. Psi Upsilon Fraternity

    EIN 020180995 · Headquarters: HANOVER, NH, US · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-N

  12. Psi Upsilon Fraternity

    EIN 136159640 · Headquarters: ISLIP, NY, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  13. Psi Upsilon Fraternity

    EIN 166100311 · Headquarters: Rochester, NY, US · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-N

  14. Psi Upsilon Fraternity

    EIN 208249077 · Headquarters: LORETTO, PA, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  15. Psi Upsilon Fraternity

    EIN 222593236 · Headquarters: Troy, NY, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  16. Psi Upsilon Fraternity

    EIN 300535924 · Headquarters: N CHESTERFLD, VA, US · Unknown & Unclassified · Latest available filing year: 2022 · Primary form: IRS Form 990-N

  17. Psi Upsilon Fraternity

    EIN 352074015 · Headquarters: INDIANAPOLIS, IN, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990

  18. Psi Upsilon Fraternity

    EIN 364843288 · Headquarters: Chicago, IL, US · Unknown & Unclassified · Latest available filing year: 2023 · Primary form: IRS Form 990-N

  19. Psi Upsilon Fraternity

    EIN 386158264 · Headquarters: EAST LANSING, MI, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  20. Psi Upsilon Fraternity

    EIN 472911202 · Headquarters: NEWPORT NEWS, VA, US · Unknown & Unclassified · Latest available filing year: 2021 · Primary form: IRS Form 990-N

  21. Psi Upsilon Fraternity

    EIN 474950744 · Headquarters: New York, NY, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  22. Psi Upsilon Fraternity

    EIN 722473141 · Headquarters: Troy, NY, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  23. Psi Upsilon Fraternity

    EIN 811495297 · Headquarters: NEWARK, NJ, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  24. Psi Upsilon Fraternity

    EIN 830739456 · Headquarters: Morristown, NJ, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  25. Psi Upsilon Fraternity

    EIN 850819672 · Headquarters: SENECA, SC, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  26. Psi Upsilon Fraternity

    EIN 862201326 · Headquarters: Chantilly, VA, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  27. Psi Upsilon Fraternity

    EIN 872506298 · Headquarters: WILLIAMSBURG, VA, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  28. Psi Upsilon Fraternity

    EIN 873938417 · Headquarters: Fort Wayne, IN, US · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-N

  29. Psi Upsilon Fraternity

    EIN 882437057 · Headquarters: New York, NY, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  30. Psi Upsilon Fraternity Chi Chapter

    EIN 150537022 · Headquarters: ITHACA, NY, US · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-N

  31. Psi Upsilon Fraternity Hesperian Building Association

    EIN 386158263 · Headquarters: NORTHVILLE, MI, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990

  32. Psi Upsilon Fraternity Omega-Alumni Corporation

    EIN 366208096 · Headquarters: Chicago, IL, USA · Unknown & Unclassified · Latest available filing year: 2021 · Primary form: IRS Form 990-EZ

  33. Psi Upsilon Fraternity Omicron Chapter

    EIN 370472610 · Headquarters: SAVOY, IL, USA · Unknown & Unclassified · Latest available filing year: 2023 · Primary form: IRS Form 990

  34. Psi Upsilon Lambda Omega Sigma Corp Oration

    EIN 393906274 · Headquarters: Malibu, CA, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  35. Psi Upsilon Trust Association

    EIN 150536145 · Headquarters: ITHACA, NY, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990

  36. Psi World Inc

    EIN 237396641 · Headquarters: JACKSONVILLE, FL, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990

  37. Psi Xi Chapter

    EIN 384331719 · Headquarters: Bala Cynwyd, PA, US · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-N

  38. Psi Zeta of Chi Omega Building Association Inc

    EIN 741907887 · Headquarters: Houston, TX, US · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-N

  39. Psi Zeta Phi Military Sorority Inc

    EIN 834402944 · Headquarters: Columbia, SC, US · Unknown & Unclassified · Latest available filing year: 2020 · Primary form: IRS Form 990-N

  40. PSIA-AASI Northern Rocky Mountain Region

    EIN 810404911 · Headquarters: Big Sky, MT, US · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990

  41. Psia-w Ski Education Foundation

    EIN 770381837 · Headquarters: TRUCKEE, CA, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-EZ

  42. Psicologos Latnos Avanzando Nuestro S Servicios

    EIN 394434620 · Headquarters: SPRINGFIELD, IL, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  43. Psig Inc

    EIN 251710227 · Headquarters: Houston, TX, USA · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990

  44. Psilo

    EIN 842006557 · Headquarters: Memphis, TN, US · Unknown & Unclassified · Latest available filing year: 2020 · Primary form: IRS Form 990-N

  45. Psilocybin Service Initiative

    EIN 824489367 · Headquarters: BEAVERTON, OR, US · Unknown & Unclassified · Latest available filing year: 2018 · Primary form: IRS Form 990-N

  46. Psja Class 1959 Reunion

    EIN 300471272 · Headquarters: Pharr, TX, US · Unknown & Unclassified · Latest available filing year: 2008 · Primary form: IRS Form 990-N

  47. Psja Memorial Senior Class

    EIN 473007903 · Headquarters: Alamo, TX, USA · Unknown & Unclassified · Latest available filing year: 2015 · Primary form: IRS Form 990-EZ

  48. Psja North Band Booster

    EIN 931358323 · Headquarters: PHARR, TX, US · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-N

  49. Psl Witches and Pagans

    EIN 863842745 · Headquarters: PORT ST LUCIE, FL, US · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-N

  50. Pso of Mississippi Bend Aea 9

    EIN 421314087 · Headquarters: Des Moines, IA, US · Unknown & Unclassified · Latest available filing year: 2023 · Primary form: IRS Form 990-N

  51. Pso United Way

    EIN 901900427 · Headquarters: TULSA, OK, USA · Unknown & Unclassified · Latest available filing year: 2022 · Primary form: IRS Form 990-EZ

  52. Pson Parent Sunshine Fund

    EIN 393997955 · Headquarters: FRAMINGHAM, MA, US · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-N

  53. Psp Meadville Civic Association

    EIN 464495706 · Headquarters: Meadville, PA, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  54. PSR Adopt-A-Family

    EIN 474857713 · Headquarters: Anacortes, WA, US · Unknown & Unclassified · Latest available filing year: 2017 · Primary form: IRS Form 990-N

  55. Psrec-pocono Chapter

    EIN 113722233 · Headquarters: wharton, NJ, US · Unknown & Unclassified · Latest available filing year: 2016 · Primary form: IRS Form 990-N

  56. Psrm Foundation

    EIN 566074652 · Headquarters: ASHEVILLE, NC, USA · Unknown & Unclassified · Latest available filing year: 2022 · Primary form: IRS Form 990-PF

  57. Pssa 11-12

    EIN 452718257 · Headquarters: Broken Arrow, OK, US · Unknown & Unclassified · Latest available filing year: 2012 · Primary form: IRS Form 990-N

  58. Pstem Academy

    EIN 923419599 · Headquarters: Houston, TX, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  59. Psu Crisis Management and Training Group Inc

    EIN 593149479 · Headquarters: Cornelius, NC, US · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-N

  60. Psu- Rose City Emeralds

    EIN 472395916 · Headquarters: Portland, OR, US · Unknown & Unclassified · Latest available filing year: 2021 · Primary form: IRS Form 990-N

  61. Pswg Organization

    EIN 992695289 · Headquarters: Washington, DC, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  62. Psych Crisis

    EIN 882338132 · Headquarters: San Francisco, CA, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990

  63. Psyche H Davis for Hillcroft Center Inc

    EIN 356259410 · Headquarters: MUNCIE, IN, USA · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-PF

  64. Psychedelic Athenaeum Inc

    EIN 993755298 · Headquarters: New York, NY, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  65. Psychiatric Advanced Practice Nurses of Austin

    EIN 205690664 · Headquarters: Austin, TX, US · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-N

  66. Psychiatric Foundation of North Carolina

    EIN 560746063 · Headquarters: Raleigh, NC, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-EZ

  67. Psychiatric Medical Association of New Mexico

    EIN 237305774 · Headquarters: ALBUQUERQUE, NM, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  68. Psychiatric Rehabilitation Foundation Inc

    EIN 232008207 · Headquarters: SOUTH BEND, IN, USA · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990

  69. Psychiatric Research Society Inc

    EIN 464050885 · Headquarters: Brentwood, TN, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  70. Psychiatric Society of Delaware Inc

    EIN 510674108 · Headquarters: Newark, DE, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  71. Psychiatric Society of Virginia Foundation

    EIN 541527811 · Headquarters: Richmond, VA, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  72. Psychiatric Society of Westchester County Inc

    EIN 132930560 · Headquarters: Garden City, NY, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  73. Psychiatrists Global Training Network

    EIN 510664386 · Headquarters: Beverly Hills, CA, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  74. Psycho-social Rehabilation Center Inc

    EIN 591466709 · Headquarters: SOUTH MIAMI, FL, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990

  75. Psychoanalytic Center of California

    EIN 953957949 · Headquarters: LOS ANGELES, CA, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990

  76. Psychoanalytic Center of the Carolinas

    EIN 561258644 · Headquarters: CHAPEL HILL, NC, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990

  77. Psychoanalytic Institute Of Northern California PINC

    EIN 943112002 · Headquarters: San Francisco, CA, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990

  78. Psychoanalytic Society of the Postdoctoral Program Inc

    EIN 133190504 · Headquarters: NEW YORK, NY, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-EZ

  79. Psychoanalytic Training Inst of the Contemporary Freudian Society Inc

    EIN 510234093 · Headquarters: BROOKLYN, NY, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990

  80. Psychochemistry Research Foundation

    EIN 237431564 · Headquarters: OXNARD, CA, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  81. Psychodynamic Couple and Family Institute of New England Inc

    EIN 043410531 · Headquarters: NEEDHAM, MA, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-EZ

  82. Psychohistory Forum Inc

    EIN 334159681 · Headquarters: FRESH MEADOWS, NY, USA · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-EZ

  83. Psychological Services Clinic Inc

    EIN 232192199 · Headquarters: Lewisburg, PA, USA · Unknown & Unclassified · Latest available filing year: 2020 · Primary form: IRS Form 990

  84. Psychologists for Social Responsibility Inc

    EIN 521253316 · Headquarters: Elk Grove Village, IL, US · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-N

  85. Psychology Clinical Council

    EIN 752964279 · Headquarters: Lubbock, TX, US · Unknown & Unclassified · Latest available filing year: 2023 · Primary form: IRS Form 990-N

  86. Psychotherapeutic Services of America

    EIN 274930969 · Headquarters: DALLAS, TX, USA · Unknown & Unclassified · Latest available filing year: 2017 · Primary form: IRS Form 990

  87. Psyco-spiritual Integration Alliance

    EIN 992471310 · Headquarters: Las Vegas, NV, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  88. Pt Barnum Foundation Inc

    EIN 222655681 · Headquarters: BRIDGEPORT, CT, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990

  89. Pt Charlotte Chapt No 1619 Women of the Moose

    EIN 592742429 · Headquarters: Port Charlotte, FL, US · Unknown & Unclassified · Latest available filing year: 2022 · Primary form: IRS Form 990-N

  90. Pt Huron Motorcycle Club

    EIN 386094603 · Headquarters: Port Huron, MI, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  91. Pt Mechanical Charitable Foundation Inc

    EIN 831955514 · Headquarters: Moorestown, NJ, US · Unknown & Unclassified · Latest available filing year: 2019 · Primary form: IRS Form 990-N

  92. Pt Warriors Baseball Boosters

    EIN 813936553 · Headquarters: Harrison City, PA, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-PF

  93. PTA - NC Congress Frances Lacy School PTA

    EIN 561396888 · Headquarters: Raleigh, NC, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-EZ

  94. Pta - Ny Congress Minnesauke Elementary Unit 05-471

    EIN 113169117 · Headquarters: SETAUKET, NY, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-EZ

  95. Pta - Ny Congress Setauket Elementary Unit 05-475

    EIN 113112912 · Headquarters: SETAUKET, NY, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-EZ

  96. PTA - Rossmoor Elementary

    EIN 956207271 · Headquarters: LOS ALAMITOS, CA, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-EZ

  97. PTA 5124 Oak Forest Elementary Texas Congress

    EIN 746086238 · Headquarters: Houston, TX, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990

  98. Pta Acacia Elementary

    EIN 900547139 · Headquarters: Thousand Oaks, CA, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-EZ

  99. Pta Alabama Congres

    EIN 932673718 · Headquarters: EIGHT MILE, AL, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  100. Pta Alabama Congress

    EIN 134364726 · Headquarters: MONROEVILLE, AL, US · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-N

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