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. Society For Organizing Charity in The City of Salem NJ

    EIN 216015103 · Headquarters: Salem, NJ, USA · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-PF

  2. Society For Pediatric and Perinatal EPIDEMIOLOGIC RESEARCH INC

    EIN 043027864 · Headquarters: Eagle, ID, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-EZ

  3. Society for Pediatric Anesthesia

    EIN 363532637 · Headquarters: RICHMOND, VA, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990

  4. Society for Pediatric Dermatology

    EIN 510188954 · Headquarters: INDIANAPOLIS, IN, USA · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990

  5. Society for Pediatric Pathology

    EIN 222812917 · Headquarters: GIG HARBOR, WA, USA · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990

  6. Society for Pediatric Research

    EIN 941669850 · Headquarters: THE WOODLANDS, TX, USA · Unknown & Unclassified · Latest available filing year: 2023 · Primary form: IRS Form 990

  7. Society for Pelvic Research

    EIN 474121780 · Headquarters: Durham, NC, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  8. Society for Pennsylvania Archaelogy

    EIN 237294551 · Headquarters: New Bethlehem, PA, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  9. Society for Personality and Social Psychology Inc

    EIN 591667323 · Headquarters: WASHINGTON, DC, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990

  10. Society for Personality Assessment

    EIN 952418350 · Headquarters: ALBANY, NY, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990

  11. Society for Personology

    EIN 462743209 · Headquarters: San Francisco, CA, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  12. Society for Philosophy and Technology

    EIN 351583682 · Headquarters: Seattle, WA, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  13. Society for Philosophy in the Contemporary World

    EIN 541691257 · Headquarters: charlotte, NC, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  14. Society for Photographic Education

    EIN 132853963 · Headquarters: MEMPHIS, TN, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990

  15. Society For Physician Assistants In Pediatrics Inc

    EIN 841355671 · Headquarters: SAN ANTONIO, TX, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-EZ

  16. Society for Practical Urological Reconstruction

    EIN 994031516 · Headquarters: Winston Salem, NC, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  17. Society for Preservation & Appreciation of Antique Motorfire

    EIN 237433995 · Headquarters: Palo Alto, CA, US · Unknown & Unclassified · Latest available filing year: 2021 · Primary form: IRS Form 990-N

  18. Society for Preservation & Encouragement of Barbershop Quartet Singing Amer

    EIN 237033485 · Headquarters: Battle Creek, MI, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  19. Society for Preservation & Encourme of Barbershop Quartet Singing Amer

    EIN 431880193 · Headquarters: LENEXA, KS, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  20. Society for Preservation & Encourmt

    EIN 436049977 · Headquarters: Gower, MO, US · Unknown & Unclassified · Latest available filing year: 2023 · Primary form: IRS Form 990-N

  21. Society for Preservation & Encourmt

    EIN 756036991 · Headquarters: Abilene, TX, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  22. Society for Preservation & Encourmt of Barbershop Quartet Singing Amer

    EIN 010404282 · Headquarters: Albion, ME, US · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-N

  23. Society for Preservation & Encourmt of Barbershop Quartet Singing Amer

    EIN 010575932 · Headquarters: SPRING HILL, FL, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  24. Society for Preservation & Encourmt of Barbershop Quartet Singing Amer

    EIN 016019162 · Headquarters: YARMOUTH, ME, USA · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-EZ

  25. Society for Preservation & Encourmt of Barbershop Quartet Singing Amer

    EIN 016023554 · Headquarters: Durham, ME, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  26. Society for Preservation & Encourmt of Barbershop Quartet Singing Amer

    EIN 020333790 · Headquarters: Hanover, NH, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  27. Society for Preservation & Encourmt of Barbershop Quartet Singing Amer

    EIN 026012570 · Headquarters: Gilford, NH, US · Unknown & Unclassified · Latest available filing year: 2022 · Primary form: IRS Form 990-N

  28. Society for Preservation & Encourmt of Barbershop Quartet Singing Amer

    EIN 026012577 · Headquarters: Bow, NH, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  29. Society for Preservation & Encourmt of Barbershop Quartet Singing Amer

    EIN 036011523 · Headquarters: Palmyra, VA, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  30. Society for Preservation & Encourmt of Barbershop Quartet Singing Amer

    EIN 042447989 · Headquarters: Melrose, MA, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  31. Society for Preservation & Encourmt of Barbershop Quartet Singing Amer

    EIN 042448095 · Headquarters: Barre, MA, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  32. Society for Preservation & Encourmt of Barbershop Quartet Singing Amer

    EIN 042697144 · Headquarters: Eastham, MA, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  33. Society for Preservation & Encourmt of Barbershop Quartet Singing Amer

    EIN 042938886 · Headquarters: Lowell, MA, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  34. Society for Preservation & Encourmt of Barbershop Quartet Singing Amer

    EIN 043641628 · Headquarters: Commack, NY, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  35. Society for Preservation & Encourmt of Barbershop Quartet Singing Amer

    EIN 043678668 · Headquarters: LA JOLLA, CA, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  36. Society for Preservation & Encourmt of Barbershop Quartet Singing Amer

    EIN 046112785 · Headquarters: HINGHAM, MA, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  37. Society for Preservation & Encourmt of Barbershop Quartet Singing Amer

    EIN 060624722 · Headquarters: Mystic, CT, US · Unknown & Unclassified · Latest available filing year: 2021 · Primary form: IRS Form 990-N

  38. Society for Preservation & Encourmt of Barbershop Quartet Singing Amer

    EIN 061648000 · Headquarters: New Hope, AL, US · Unknown & Unclassified · Latest available filing year: 2020 · Primary form: IRS Form 990-N

  39. Society for Preservation & Encourmt of Barbershop Quartet Singing Amer

    EIN 066074005 · Headquarters: Simsbury, CT, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  40. Society for Preservation & Encourmt of Barbershop Quartet Singing Amer

    EIN 066082918 · Headquarters: Wallingford, CT, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  41. Society for Preservation & Encourmt of Barbershop Quartet Singing Amer

    EIN 066082921 · Headquarters: Ledyard, CT, US · Unknown & Unclassified · Latest available filing year: 2020 · Primary form: IRS Form 990-N

  42. Society for Preservation & Encourmt of Barbershop Quartet Singing Amer

    EIN 066082922 · Headquarters: NAUGATUCK, CT, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  43. Society for Preservation & Encourmt of Barbershop Quartet Singing Amer

    EIN 066108627 · Headquarters: South Setauket, NY, US · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-N

  44. Society for Preservation & Encourmt of Barbershop Quartet Singing Amer

    EIN 112639471 · Headquarters: Fair Lawn, NJ, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  45. Society for Preservation & Encourmt of Barbershop Quartet Singing Amer

    EIN 113686471 · Headquarters: Granby, CO, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  46. Society for Preservation & Encourmt of Barbershop Quartet Singing Amer

    EIN 116077322 · Headquarters: Glen Head, NY, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  47. Society for Preservation & Encourmt of Barbershop Quartet Singing Amer

    EIN 116077327 · Headquarters: Commack, NY, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  48. Society for Preservation & Encourmt of Barbershop Quartet Singing Amer

    EIN 134231840 · Headquarters: Kilmarnock, VA, US · Unknown & Unclassified · Latest available filing year: 2020 · Primary form: IRS Form 990-N

  49. Society for Preservation & Encourmt of Barbershop Quartet Singing Amer

    EIN 146030056 · Headquarters: Schenectady, NY, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  50. Society for Preservation & Encourmt of Barbershop Quartet Singing Amer

    EIN 146030160 · Headquarters: Poughkeepsie, NY, US · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-N

  51. Society for Preservation & Encourmt of Barbershop Quartet Singing Amer

    EIN 146035834 · Headquarters: Plarttsburgh, NY, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  52. Society for Preservation & Encourmt of Barbershop Quartet Singing Amer

    EIN 146036095 · Headquarters: Colton, NY, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  53. Society for Preservation & Encourmt of Barbershop Quartet Singing Amer

    EIN 160961642 · Headquarters: Wellsville, NY, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  54. Society for Preservation & Encourmt of Barbershop Quartet Singing Amer

    EIN 161084842 · Headquarters: Fulton, NY, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  55. Society for Preservation & Encourmt of Barbershop Quartet Singing Amer

    EIN 166036099 · Headquarters: New Hartford, NY, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  56. Society for Preservation & Encourmt of Barbershop Quartet Singing Amer

    EIN 166051918 · Headquarters: BRADFORD, NY, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  57. Society for Preservation & Encourmt of Barbershop Quartet Singing Amer

    EIN 166064357 · Headquarters: BUFFALO, NY, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  58. Society for Preservation & Encourmt of Barbershop Quartet Singing Amer

    EIN 166069137 · Headquarters: Penn Yan, NY, US · Unknown & Unclassified · Latest available filing year: 2021 · Primary form: IRS Form 990-N

  59. Society for Preservation & Encourmt of Barbershop Quartet Singing Amer

    EIN 201263049 · Headquarters: Leesburg, VA, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  60. Society for Preservation & Encourmt of Barbershop Quartet Singing Amer

    EIN 222339288 · Headquarters: Monroe TWP, NJ, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  61. Society for Preservation & Encourmt of Barbershop Quartet Singing Amer

    EIN 222915128 · Headquarters: Burdett, NY, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  62. Society for Preservation & Encourmt of Barbershop Quartet Singing Amer

    EIN 226059880 · Headquarters: West Caldwell, NJ, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  63. Society for Preservation & Encourmt of Barbershop Quartet Singing Amer

    EIN 226063722 · Headquarters: Cherry Hill, NJ, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  64. Society for Preservation & Encourmt of Barbershop Quartet Singing Amer

    EIN 226080471 · Headquarters: Long Beach Township, NJ, US · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-N

  65. Society for Preservation & Encourmt of Barbershop Quartet Singing Amer

    EIN 230629630 · Headquarters: Exton, PA, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  66. Society for Preservation & Encourmt of Barbershop Quartet Singing Amer

    EIN 231971832 · Headquarters: Southampton, PA, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  67. Society for Preservation & Encourmt of Barbershop Quartet Singing Amer

    EIN 231988660 · Headquarters: Lewisburg, PA, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  68. Society for Preservation & Encourmt of Barbershop Quartet Singing Amer

    EIN 231989985 · Headquarters: York, PA, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  69. Society for Preservation & Encourmt of Barbershop Quartet Singing Amer

    EIN 232116325 · Headquarters: lake ariel, PA, US · Unknown & Unclassified · Latest available filing year: 2022 · Primary form: IRS Form 990-N

  70. Society for Preservation & Encourmt of Barbershop Quartet Singing Amer

    EIN 236268904 · Headquarters: Philadelphia, PA, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  71. Society for Preservation & Encourmt of Barbershop Quartet Singing Amer

    EIN 236298202 · Headquarters: BETHLEHEM, PA, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  72. Society for Preservation & Encourmt of Barbershop Quartet Singing Amer

    EIN 236298409 · Headquarters: Kingston, PA, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  73. Society for Preservation & Encourmt of Barbershop Quartet Singing Amer

    EIN 237008699 · Headquarters: Hanover, PA, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  74. Society for Preservation & Encourmt of Barbershop Quartet Singing Amer

    EIN 237011184 · Headquarters: STATE COLLEGE, PA, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  75. Society for Preservation & Encourmt of Barbershop Quartet Singing Amer

    EIN 237033488 · Headquarters: Annandale, MN, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  76. Society for Preservation & Encourmt of Barbershop Quartet Singing Amer

    EIN 237033490 · Headquarters: Boise, ID, USA · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-EZ

  77. Society for Preservation & Encourmt of Barbershop Quartet Singing Amer

    EIN 237033491 · Headquarters: Brooklyn, NY, US · Unknown & Unclassified · Latest available filing year: 2022 · Primary form: IRS Form 990-N

  78. Society for Preservation & Encourmt of Barbershop Quartet Singing Amer

    EIN 237033507 · Headquarters: Ballwin, MO, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  79. Society for Preservation & Encourmt of Barbershop Quartet Singing Amer

    EIN 237041016 · Headquarters: Superior, WI, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  80. Society for Preservation & Encourmt of Barbershop Quartet Singing Amer

    EIN 237049269 · Headquarters: Kingsport, TN, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  81. Society for Preservation & Encourmt of Barbershop Quartet Singing Amer

    EIN 237050584 · Headquarters: Casper, WY, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  82. Society for Preservation & Encourmt of Barbershop Quartet Singing Amer

    EIN 237057930 · Headquarters: Prairie City, IL, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  83. Society for Preservation & Encourmt of Barbershop Quartet Singing Amer

    EIN 237057944 · Headquarters: Trimont, MN, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  84. Society for Preservation & Encourmt of Barbershop Quartet Singing Amer

    EIN 237063999 · Headquarters: Panama City, FL, US · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-N

  85. Society for Preservation & Encourmt of Barbershop Quartet Singing Amer

    EIN 237145238 · Headquarters: Waterford, MI, US · Unknown & Unclassified · Latest available filing year: 2019 · Primary form: IRS Form 990-N

  86. Society for Preservation & Encourmt of Barbershop Quartet Singing Amer

    EIN 237160672 · Headquarters: Bastrop, LA, US · Unknown & Unclassified · Latest available filing year: 2022 · Primary form: IRS Form 990-N

  87. Society for Preservation & Encourmt of Barbershop Quartet Singing Amer

    EIN 237175120 · Headquarters: Cayuga, NY, US · Unknown & Unclassified · Latest available filing year: 2021 · Primary form: IRS Form 990-N

  88. Society for Preservation & Encourmt of Barbershop Quartet Singing Amer

    EIN 237175123 · Headquarters: Centralia, WA, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  89. Society for Preservation & Encourmt of Barbershop Quartet Singing Amer

    EIN 237175145 · Headquarters: Watertown, SD, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  90. Society for Preservation & Encourmt of Barbershop Quartet Singing Amer

    EIN 237224876 · Headquarters: Tipp City, OH, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  91. Society for Preservation & Encourmt of Barbershop Quartet Singing Amer

    EIN 237244019 · Headquarters: Fremont, NE, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  92. Society for Preservation & Encourmt of Barbershop Quartet Singing Amer

    EIN 237282806 · Headquarters: Tuscaloosa, AL, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  93. Society for Preservation & Encourmt of Barbershop Quartet Singing Amer

    EIN 237362868 · Headquarters: New Braunfels, TX, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  94. Society for Preservation & Encourmt of Barbershop Quartet Singing Amer

    EIN 237362964 · Headquarters: North Mankato, MN, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  95. Society for Preservation & Encourmt of Barbershop Quartet Singing Amer

    EIN 237362966 · Headquarters: Spring Valley, AZ, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  96. Society for Preservation & Encourmt of Barbershop Quartet Singing Amer

    EIN 237400257 · Headquarters: Mineral City, OH, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  97. Society for Preservation & Encourmt of Barbershop Quartet Singing Amer

    EIN 237442654 · Headquarters: Granite Falls, NC, US · Unknown & Unclassified · Latest available filing year: 2022 · Primary form: IRS Form 990-N

  98. Society for Preservation & Encourmt of Barbershop Quartet Singing Amer

    EIN 237442891 · Headquarters: Bozeman, MT, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  99. Society for Preservation & Encourmt of Barbershop Quartet Singing Amer

    EIN 256063157 · Headquarters: Brookville, PA, US · Unknown & Unclassified · Latest available filing year: 2023 · Primary form: IRS Form 990-N

  100. Society for Preservation & Encourmt of Barbershop Quartet Singing Amer

    EIN 256063160 · Headquarters: Bethel Park, PA, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

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