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 Preservation & Encrgmnt of Barbershop Quartet Singing Amer

    EIN 870276389 · Headquarters: Taylorsville, UT, US · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-N

  2. Society for Preservation & Encrgmnt of Barbershop Quartet Singing Amer

    EIN 876123536 · Headquarters: Orem, UT, US · Unknown & Unclassified · Latest available filing year: 2023 · Primary form: IRS Form 990-N

  3. Society for Preservation & Encrgmnt of Barbershop Quartet Singing Amer

    EIN 900402357 · Headquarters: New York, NY, USA · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990

  4. Society for Preservation & Encrgmnt of Barbershop Quartet Singing Amer

    EIN 900944878 · Headquarters: Garland, TX, US · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-N

  5. Society for Preservation & Encrgmnt of Barbershop Quartet Singing Amer

    EIN 901130523 · Headquarters: Zion Crossroads, VA, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  6. Society for Preservation & Encrgmnt of Barbershop Quartet Singing Amer

    EIN 911067931 · Headquarters: Silverdale, WA, USA · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-EZ

  7. Society for Preservation & Encrgmnt of Barbershop Quartet Singing Amer

    EIN 911734796 · Headquarters: Friday Harbor, WA, US · Unknown & Unclassified · Latest available filing year: 2020 · Primary form: IRS Form 990-N

  8. Society for Preservation & Encrgmnt of Barbershop Quartet Singing Amer

    EIN 912122273 · Headquarters: Sun City Center, FL, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  9. Society for Preservation & Encrgmnt of Barbershop Quartet Singing Amer

    EIN 918056158 · Headquarters: Kent, WA, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  10. Society for Preservation & Encrgmnt of Barbershop Quartet Singing Amer

    EIN 931218375 · Headquarters: Waco, TX, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  11. Society for Preservation & Encrgmnt of Barbershop Quartet Singing Amer

    EIN 932081066 · Headquarters: Louisville, KY, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  12. Society for Preservation & Encrgmnt of Barbershop Quartet Singing Amer

    EIN 936029965 · Headquarters: Salem, OR, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  13. Society for Preservation & Encrgmnt of Barbershop Quartet Singing Amer

    EIN 936044261 · Headquarters: Newberg, OR, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  14. Society for Preservation & Encrgmnt of Barbershop Quartet Singing Amer

    EIN 943096683 · Headquarters: ELK GROVE, CA, US · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-N

  15. Society for Preservation & Encrgmnt of Barbershop Quartet Singing Amer

    EIN 946107883 · Headquarters: McKinleyville, CA, US · Unknown & Unclassified · Latest available filing year: 2023 · Primary form: IRS Form 990-N

  16. Society for Preservation & Encrgmnt of Barbershop Quartet Singing Amer

    EIN 952572089 · Headquarters: Newbury Park, CA, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  17. Society for Preservation & Encrgmnt of Barbershop Quartet Singing Amer

    EIN 953468294 · Headquarters: Palm Desert, CA, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

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

    EIN 956093745 · Headquarters: Glendale, CA, US · Unknown & Unclassified · Latest available filing year: 2019 · Primary form: IRS Form 990-N

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

    EIN 956118754 · Headquarters: Fullerton, CA, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  20. Society for Preservation & Encrgmnt of Barbershop Quartet Singing Amer

    EIN 956196396 · Headquarters: Los Angeles, CA, USA · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-EZ

  21. Society for Preservation & Encrgmnt of Barbershop Quartet Singing Amer

    EIN 992889311 · Headquarters: New Orleans, LA, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  22. SOCIETY FOR PRESERVATION & ENCRGMNT OF BARBERSHOP QUARTET SINGING AMER Rockford Metro - 2Nd City Chorus

    EIN 900593967 · Headquarters: Rockford, IL, USA · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-EZ

  23. Society for Preservation & Encrgmnt P030 Martin St Lucie

    EIN 237424295 · Headquarters: FORT PIERCE, FL, US · Unknown & Unclassified · Latest available filing year: 2022 · Primary form: IRS Form 990-N

  24. Society for Preservation & Propagation of Eastern Arts

    EIN 942490513 · Headquarters: Salt Lake City, UT, US · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-N

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

    EIN 226081718 · Headquarters: Montvale, NJ, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

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

    EIN 262257741 · Headquarters: Fort Dodge, IA, US · Unknown & Unclassified · Latest available filing year: 2023 · Primary form: IRS Form 990-N

  27. Society for Preservation and Encouragement of Barbershop Quarte

    EIN 834416661 · Headquarters: Newark, OH, US · Unknown & Unclassified · Latest available filing year: 2023 · Primary form: IRS Form 990-N

  28. Society for Preservation and Encourmt a024 Ord

    EIN 470838872 · Headquarters: ORD, NE, US · Unknown & Unclassified · Latest available filing year: 2019 · Primary form: IRS Form 990-N

  29. Society for Preservation and Encourmt D0004 District Far Western

    EIN 956085839 · Headquarters: Mission Viejo, CA, USA · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990

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

    EIN 232889568 · Headquarters: PITTSBURGH, PA, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  31. Society for Preservation Encrgmnt of Barbershop Quartet Singing Am

    EIN 872526623 · Headquarters: Exeter, RI, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  32. Society for Preservation Encrgmnt of Barbershop Quartet Singing Amer

    EIN 236279187 · Headquarters: Broomall, PA, US · Unknown & Unclassified · Latest available filing year: 2023 · Primary form: IRS Form 990-N

  33. Society for Preservation Encrgmnt of Barbershop Quartet Singing Amer

    EIN 464456133 · Headquarters: ROME, NY, US · Unknown & Unclassified · Latest available filing year: 2022 · Primary form: IRS Form 990-N

  34. Society for Preservation Encrgmnt of Barbershop Quartet Singing Amer

    EIN 473616317 · Headquarters: Southport, NC, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  35. Society for Preservation Encrgmnt of Barbershop Quartet Singing Amer

    EIN 542098303 · Headquarters: BLAIRSVILLE, GA, US · Unknown & Unclassified · Latest available filing year: 2019 · Primary form: IRS Form 990-N

  36. Society for Preservation Encrgmnt of Barbershop Quartet Singing Amer

    EIN 814298886 · Headquarters: Billings, MT, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  37. Society for Preservation Encrgmnt of Barbershop Quartet Singing Amer

    EIN 900038649 · Headquarters: Sheboygan Falls, WI, US · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-N

  38. Society for Preservation of Mcgrew House Inc

    EIN 550722398 · Headquarters: KINGWOOD, WV, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-EZ

  39. Society for Promoting Christian Knowledge USA

    EIN 621183537 · Headquarters: BRADLEY BEACH, NJ, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-EZ

  40. Society for Promoting Theological Education

    EIN 046092557 · Headquarters: Dublin, NH, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990

  41. Society for Protestant Reformed Education in Lynden

    EIN 911022503 · Headquarters: LYNDEN, WA, USA · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990

  42. Society for Psychotherapy Research

    EIN 870402354 · Headquarters: CRESTWOOD, KY, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990

  43. Society for Quality Urologic Care

    EIN 264000065 · Headquarters: Owings Mills, MD, US · Unknown & Unclassified · Latest available filing year: 2010 · Primary form: IRS Form 990-N

  44. Society for Radiation Oncology Administrators

    EIN 232354134 · Headquarters: Washington, DC, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990

  45. Society for Range Management

    EIN 930411765 · Headquarters: BILLINGS, MT, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990

  46. Society for Range Management Wa Chapter

    EIN 871711686 · Headquarters: Davenport, WA, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  47. Society for Reformation Research

    EIN 430888540 · Headquarters: CHESHIRE, CT, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  48. Society for Rehabilitation

    EIN 340901410 · Headquarters: Concord, OH, USA · Unknown & Unclassified · Latest available filing year: 2021 · Primary form: IRS Form 990-EZ

  49. Society for Reproductive Investigation Inc

    EIN 952293816 · Headquarters: MILWAUKEE, WI, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990

  50. Society for Risk Analysis

    EIN 521185629 · Headquarters: HERNDON, VA, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990

  51. Society for Scholarly Publishing

    EIN 521125072 · Headquarters: MOUNT LAUREL, NJ, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990

  52. Society for Scientific Exploration

    EIN 541191441 · Headquarters: Stillwater, OK, USA · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-EZ

  53. Society for Social Work & Research Inc

    EIN 133768131 · Headquarters: FAIRFAX, VA, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990

  54. Society for Social Work Adminstrators in Health Care

    EIN 943186291 · Headquarters: San Jose, CA, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  55. Society for Spanish and Flamenco Arts Houston

    EIN 464437796 · Headquarters: HOUSTON, TX, US · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-N

  56. Society for Spirituality and Social Work

    EIN 931418868 · Headquarters: Linden, NC, US · Unknown & Unclassified · Latest available filing year: 2023 · Primary form: IRS Form 990-N

  57. Society for Study of Grief

    EIN 473337868 · Headquarters: PHOENIX, AZ, US · Unknown & Unclassified · Latest available filing year: 2018 · Primary form: IRS Form 990-N

  58. Society for Study of Trans & Interp of Natl Assoc of Judiciary Interp

    EIN 133957756 · Headquarters: Atlanta, GA, US · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-N

  59. Society for Sustainable Development for the Rural and Urban Area

    EIN 413897385 · Headquarters: Durham, NC, US · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-N

  60. Society for Technical Communication

    EIN 136091930 · Headquarters: Lawrence Township, NJ, US · Unknown & Unclassified · Latest available filing year: 2022 · Primary form: IRS Form 990-N

  61. Society for Technical Communication

    EIN 166073028 · Headquarters: Fairfax, VA, US · Unknown & Unclassified · Latest available filing year: 2023 · Primary form: IRS Form 990-N

  62. Society for Technical Communication

    EIN 236423432 · Headquarters: Yardley, PA, US · Unknown & Unclassified · Latest available filing year: 2023 · Primary form: IRS Form 990-N

  63. Society for Technical Communication

    EIN 237264292 · Headquarters: Washington, DC, US · Unknown & Unclassified · Latest available filing year: 2023 · Primary form: IRS Form 990-N

  64. Society for Technical Communication

    EIN 237313812 · Headquarters: Knoxville, TN, US · Unknown & Unclassified · Latest available filing year: 2023 · Primary form: IRS Form 990-N

  65. Society for Technical Communication

    EIN 310968779 · Headquarters: Alpharetta, GA, US · Unknown & Unclassified · Latest available filing year: 2023 · Primary form: IRS Form 990-N

  66. Society for Technical Communication

    EIN 346578341 · Headquarters: Fairfax, VA, US · Unknown & Unclassified · Latest available filing year: 2023 · Primary form: IRS Form 990-N

  67. Society for Technical Communication

    EIN 386118639 · Headquarters: Grand Rapids, MI, US · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-N

  68. Society for Technical Communication

    EIN 416054938 · Headquarters: Minneapolis, MN, US · Unknown & Unclassified · Latest available filing year: 2023 · Primary form: IRS Form 990-N

  69. Society for Technical Communication

    EIN 453232449 · Headquarters: Glenview, IL, US · Unknown & Unclassified · Latest available filing year: 2023 · Primary form: IRS Form 990-N

  70. Society for Technical Communication

    EIN 453339435 · Headquarters: Fairfax, VA, US · Unknown & Unclassified · Latest available filing year: 2023 · Primary form: IRS Form 990-N

  71. Society for Technical Communication

    EIN 453823707 · Headquarters: Fairfax, VA, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  72. Society for Technical Communication

    EIN 453823715 · Headquarters: Lubbock, TX, US · Unknown & Unclassified · Latest available filing year: 2023 · Primary form: IRS Form 990-N

  73. Society for Technical Communication

    EIN 454098760 · Headquarters: Farifax, VA, US · Unknown & Unclassified · Latest available filing year: 2020 · Primary form: IRS Form 990-N

  74. Society for Technical Communication

    EIN 454769016 · Headquarters: Palm Bay, FL, US · Unknown & Unclassified · Latest available filing year: 2023 · Primary form: IRS Form 990-N

  75. Society for Technical Communication

    EIN 454769028 · Headquarters: Fairfax, VA, US · Unknown & Unclassified · Latest available filing year: 2023 · Primary form: IRS Form 990-N

  76. Society for Technical Communication

    EIN 472821139 · Headquarters: Rolla, MO, US · Unknown & Unclassified · Latest available filing year: 2023 · Primary form: IRS Form 990-N

  77. Society for Technical Communication

    EIN 521296396 · Headquarters: Arlington, VA, US · Unknown & Unclassified · Latest available filing year: 2023 · Primary form: IRS Form 990-N

  78. Society for Technical Communication

    EIN 521311952 · Headquarters: Bristol, RI, US · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-N

  79. Society for Technical Communication

    EIN 521531340 · Headquarters: Oakland, CA, US · Unknown & Unclassified · Latest available filing year: 2023 · Primary form: IRS Form 990-N

  80. Society for Technical Communication

    EIN 521564130 · Headquarters: Goleta, CA, US · Unknown & Unclassified · Latest available filing year: 2021 · Primary form: IRS Form 990-N

  81. Society for Technical Communication

    EIN 541368720 · Headquarters: Fairfax, VA, US · Unknown & Unclassified · Latest available filing year: 2012 · Primary form: IRS Form 990-N

  82. Society for Technical Communication

    EIN 541578041 · Headquarters: Iowa City, IA, US · Unknown & Unclassified · Latest available filing year: 2020 · Primary form: IRS Form 990-N

  83. Society for Technical Communication

    EIN 541626446 · Headquarters: Baldwinsville, NY, US · Unknown & Unclassified · Latest available filing year: 2023 · Primary form: IRS Form 990-N

  84. Society for Technical Communication

    EIN 541663098 · Headquarters: Springfield, MO, US · Unknown & Unclassified · Latest available filing year: 2020 · Primary form: IRS Form 990-N

  85. Society for Technical Communication

    EIN 566076424 · Headquarters: Cary, NC, US · Unknown & Unclassified · Latest available filing year: 2023 · Primary form: IRS Form 990-N

  86. Society for Technical Communication

    EIN 746079659 · Headquarters: Houston, TX, US · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-N

  87. Society for Technical Communication

    EIN 846038432 · Headquarters: Denver, CO, US · Unknown & Unclassified · Latest available filing year: 2021 · Primary form: IRS Form 990-N

  88. Society for Technical Communication

    EIN 866052801 · Headquarters: Chandler, AZ, US · Unknown & Unclassified · Latest available filing year: 2023 · Primary form: IRS Form 990-N

  89. Society for Technical Communication

    EIN 916182430 · Headquarters: Shoreline, WA, US · Unknown & Unclassified · Latest available filing year: 2023 · Primary form: IRS Form 990-N

  90. Society for Technical Communication

    EIN 956146393 · Headquarters: Long Beach, CA, US · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-N

  91. Society for Technical Communication

    EIN 956146395 · Headquarters: Irvine, CA, US · Unknown & Unclassified · Latest available filing year: 2023 · Primary form: IRS Form 990-N

  92. Society for Technical Communication

    EIN 956146396 · Headquarters: El Cajon, CA, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  93. Society for Technical Communication Inc

    EIN 314424296 · Headquarters: FAIRFAX, VA, USA · Unknown & Unclassified · Latest available filing year: 2023 · Primary form: IRS Form 990

  94. Society for Technology and Engineering Education Inc

    EIN 393059755 · Headquarters: Cary, NC, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  95. Society for Technology in Anesthesia

    EIN 330355176 · Headquarters: MILWAUKEE, WI, USA · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990

  96. Society for the Advancement of Global Education

    EIN 953494674 · Headquarters: Holly Lake Ranch, TX, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  97. Society for the Advancement of Material & Process Engineers

    EIN 954216562 · Headquarters: DIAMOND BAR, CA, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990

  98. Society for the Advancement of Material and Process Engineering

    EIN 472765579 · Headquarters: seattle, WA, US · Unknown & Unclassified · Latest available filing year: 2015 · Primary form: IRS Form 990-N

  99. Society for the Advancement of Material and Process Engineering

    EIN 956153442 · Headquarters: DIAMOND BAR, CA, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990

  100. Society for the Arts Religion and Contemporary Culture Inc

    EIN 132546348 · Headquarters: Sag Harbor, NY, US · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-N

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