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 of Critical Care Medicine

    EIN 222262966 · Headquarters: Hackensack, NJ, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  2. Society of Critical Care Medicine

    EIN 222758233 · Headquarters: Palmyra, PA, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  3. Society of Critical Care Medicine

    EIN 237439382 · Headquarters: Portland, OR, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  4. Society of Critical Care Medicine

    EIN 263661478 · Headquarters: Baltimore, MD, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  5. Society of Critical Care Medicine

    EIN 270221112 · Headquarters: Beachwood, OH, US · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-N

  6. Society of Critical Care Medicine

    EIN 453166583 · Headquarters: Albuquerque, NM, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  7. Society of Critical Care Medicine

    EIN 541258157 · Headquarters: Roanoke, VA, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  8. Society of Critical Care Medicine

    EIN 621546226 · Headquarters: Brookhaven, GA, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  9. Society of Critical Care Medicine

    EIN 815103673 · Headquarters: Los Angeles, CA, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  10. Society of Critical Care Medicine

    EIN 833693012 · Headquarters: Peoria, IL, US · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-N

  11. Society of Critical Care Medicine

    EIN 843307603 · Headquarters: Newark, DE, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  12. Society of Critical Care Medicine

    EIN 874783891 · Headquarters: Denver, CO, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  13. Society of Critical Care Medicine North Central Chapter

    EIN 822491709 · Headquarters: Ames, IA, US · Unknown & Unclassified · Latest available filing year: 2023 · Primary form: IRS Form 990-N

  14. Society of Daughters of Holland Dames

    EIN 136163969 · Headquarters: New York, NY, USA · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-PF

  15. Society of Daughters of the United States Army

    EIN 526054753 · Headquarters: McLean, VA, US · Unknown & Unclassified · Latest available filing year: 2023 · Primary form: IRS Form 990-N

  16. Society of Daughters of the United States Army

    EIN 746082475 · Headquarters: San Antonio, TX, US · Unknown & Unclassified · Latest available filing year: 2019 · Primary form: IRS Form 990-N

  17. Society of Defense Financial Management

    EIN 364657069 · Headquarters: JACKSONVILLE, FL, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  18. Society of Descendants of Washington's Army at Valley Forge

    EIN 116263770 · Headquarters: EAST AMHERST, NY, USA · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-EZ

  19. Society of Diagnostic Medical Sonography

    EIN 237186150 · Headquarters: ADDISON, TX, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990

  20. Society of Diplomats of Harrisburg

    EIN 753056919 · Headquarters: Harrisburg, PA, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  21. Society of Early Americanists

    EIN 363863058 · Headquarters: Philadelphia, PA, US · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-N

  22. Society of East African Nurse Anest Hesiologists in America

    EIN 332466698 · Headquarters: Washington, DC, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  23. Society of Entrepreneurs at Nc State

    EIN 393381393 · Headquarters: RALEIGH, NC, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  24. Society of Environmental Toxicology and Chemistry

    EIN 521184315 · Headquarters: Washington, DC, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990

  25. Society of Environmental Toxicology and Chemistry Southern California

    EIN 423033520 · Headquarters: Ventura, CA, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  26. Society of Epirotes of Philadelphia the Omonia

    EIN 232581101 · Headquarters: DREXEL HILL, PA, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  27. Society of Eritrean Medical Professionals in North America Inc

    EIN 300856094 · Headquarters: Summerfield, NC, US · Unknown & Unclassified · Latest available filing year: 2020 · Primary form: IRS Form 990-N

  28. Society of Exchange Counselors

    EIN 941688055 · Headquarters: DALLAS, TX, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990

  29. Society of Experimental Psychologists

    EIN 461512908 · Headquarters: Bloomington, IN, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  30. Society of Experimental Test Pilots

    EIN 952013453 · Headquarters: LANCASTER, CA, USA · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990

  31. Society of Experimental Test Pilots Scholarship Foundation

    EIN 952479396 · Headquarters: LANCASTER, CA, USA · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990

  32. Society of Exploration Geophysicists

    EIN 730555125 · Headquarters: TULSA, OK, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990

  33. Society of Explosive Engineers

    EIN 841219735 · Headquarters: Morrison, CO, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  34. Society of Expressive Artists

    EIN 272124400 · Headquarters: Port St Joe, FL, US · Unknown & Unclassified · Latest available filing year: 2022 · Primary form: IRS Form 990-N

  35. Society of Farm Women of Pennsylvania

    EIN 236298200 · Headquarters: LEBANON, PA, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  36. Society of Fbi Alumni

    EIN 611202527 · Headquarters: Cypress, TX, US · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-N

  37. Society of Federal Labor & Employee Relations Professionals

    EIN 237283877 · Headquarters: CHESAPEAKE, VA, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-EZ

  38. Society of Fellows of the American Academy in Rome

    EIN 133173767 · Headquarters: New York, NY, US · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-N

  39. Society of Financial Examiners

    EIN 237327434 · Headquarters: SUMMERFIELD, NC, USA · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990

  40. Society of Financial Professionals Cny

    EIN 222505301 · Headquarters: SYRACUSE, NY, USA · Unknown & Unclassified · Latest available filing year: 2019 · Primary form: IRS Form 990-EZ

  41. Society of Financial Service Profes Sionals Kansas City Chapter

    EIN 237309588 · Headquarters: Omaha, NE, US · Unknown & Unclassified · Latest available filing year: 2022 · Primary form: IRS Form 990-N

  42. Society of Financial Service Professionals

    EIN 231379056 · Headquarters: ARLINGTON, VA, USA · Unknown & Unclassified · Latest available filing year: 2023 · Primary form: IRS Form 990

  43. Society of Financial Service Professionals

    EIN 273934282 · Headquarters: Las Vegas, NV, US · Unknown & Unclassified · Latest available filing year: 2013 · Primary form: IRS Form 990-N

  44. Society of Financial Service Professionals

    EIN 381804270 · Headquarters: East Lansing, MI, US · Unknown & Unclassified · Latest available filing year: 2019 · Primary form: IRS Form 990-N

  45. Society of Financial Service Professionals

    EIN 521811294 · Headquarters: Carmel, IN, USA · Unknown & Unclassified · Latest available filing year: 2022 · Primary form: IRS Form 990-EZ

  46. Society of Financial Service Professionals

    EIN 946127548 · Headquarters: Clayton, CA, US · Unknown & Unclassified · Latest available filing year: 2022 · Primary form: IRS Form 990-N

  47. Society of Financial Service Professionals Cincinnati Chapter

    EIN 316057776 · Headquarters: Cincinnati, OH, US · Unknown & Unclassified · Latest available filing year: 2023 · Primary form: IRS Form 990-N

  48. Society of Financial Service Professionals Columbus Oh Chapter

    EIN 310787182 · Headquarters: Carmel, IN, US · Unknown & Unclassified · Latest available filing year: 2022 · Primary form: IRS Form 990-N

  49. Society of Financial Service Professionals Connecticut Chapter

    EIN 066082276 · Headquarters: ROCKY HILL, CT, USA · Unknown & Unclassified · Latest available filing year: 2023 · Primary form: IRS Form 990-EZ

  50. Society of Financial Service Professionals Dallas Chapter

    EIN 751375904 · Headquarters: FORT WORTH, TX, US · Unknown & Unclassified · Latest available filing year: 2023 · Primary form: IRS Form 990-N

  51. Society of Financial Service Professionals Eastern Iowa Chapter

    EIN 421157957 · Headquarters: Solon, IA, US · Unknown & Unclassified · Latest available filing year: 2021 · Primary form: IRS Form 990-N

  52. Society of Financial Service Professionals Greater Chicago Chapter

    EIN 366116647 · Headquarters: GLEN ELLYN, IL, US · Unknown & Unclassified · Latest available filing year: 2022 · Primary form: IRS Form 990-N

  53. Society of Financial Service Professionals Greater or Chapter

    EIN 930798916 · Headquarters: Springfield, OR, US · Unknown & Unclassified · Latest available filing year: 2021 · Primary form: IRS Form 990-N

  54. Society of Financial Service Professionals Greater Phoenix Chap

    EIN 237140203 · Headquarters: PHOENIX, AZ, US · Unknown & Unclassified · Latest available filing year: 2022 · Primary form: IRS Form 990-N

  55. Society of Financial Service Professionals Lexington Chapter

    EIN 320242331 · Headquarters: Lexington, KY, US · Unknown & Unclassified · Latest available filing year: 2023 · Primary form: IRS Form 990-N

  56. Society of Financial Service Professionals Richmond Chapter

    EIN 546056377 · Headquarters: Mechanicsville, VA, US · Unknown & Unclassified · Latest available filing year: 2023 · Primary form: IRS Form 990-N

  57. Society of Financial Service Professionals Rochester Ny

    EIN 237029179 · Headquarters: Pittsford, NY, US · Unknown & Unclassified · Latest available filing year: 2019 · Primary form: IRS Form 990-N

  58. Society of Financial Service Professionals South Sound Chapter

    EIN 916062076 · Headquarters: Tacoma, WA, US · Unknown & Unclassified · Latest available filing year: 2019 · Primary form: IRS Form 990-N

  59. Society of Financial Service Professionals-los Angeles Pasadena

    EIN 956097743 · Headquarters: Los Angeles, CA, US · Unknown & Unclassified · Latest available filing year: 2020 · Primary form: IRS Form 990-N

  60. Society of Financial Service Professionals-san Fernando Valy Cp

    EIN 237104693 · Headquarters: Hermosa Beach, CA, US · Unknown & Unclassified · Latest available filing year: 2022 · Primary form: IRS Form 990-N

  61. Society of Financial Service St Paul Chapter

    EIN 416029311 · Headquarters: SAINT PAUL, MN, USA · Unknown & Unclassified · Latest available filing year: 2022 · Primary form: IRS Form 990-EZ

  62. Society of Financial Services Professionals Blue Ridge Chapter

    EIN 460697254 · Headquarters: HENDERSONVLLE, NC, US · Unknown & Unclassified · Latest available filing year: 2023 · Primary form: IRS Form 990-N

  63. Society of Financial Services Professionals Knoxville Chapter

    EIN 621211343 · Headquarters: Knoxville, TN, US · Unknown & Unclassified · Latest available filing year: 2021 · Primary form: IRS Form 990-N

  64. Society of Fire Protection Engineer

    EIN 461855402 · Headquarters: Oklahoma City, OK, US · Unknown & Unclassified · Latest available filing year: 2021 · Primary form: IRS Form 990-N

  65. Society of Fire Protection Engineers

    EIN 061059016 · Headquarters: College Park, MD, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  66. Society of Fire Protection Engineers

    EIN 061059019 · Headquarters: King of Prussia, PA, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  67. Society of Fire Protection Engineers

    EIN 320114251 · Headquarters: Columbia, SC, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  68. Society of Fire Protection Engineers

    EIN 386108090 · Headquarters: Livonia, MI, US · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-N

  69. Society of Fire Protection Engineers

    EIN 391429736 · Headquarters: WAUKESHA, WI, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  70. Society of Fire Protection Engineers

    EIN 436061824 · Headquarters: Saint Louis, MO, US · Unknown & Unclassified · Latest available filing year: 2023 · Primary form: IRS Form 990-N

  71. Society of Fire Protection Engineers

    EIN 541009976 · Headquarters: Henrico, VA, US · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-N

  72. Society of Fire Protection Engineers

    EIN 811292948 · Headquarters: Mobile, AL, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  73. Society of Fire Protection Engineers

    EIN 880492505 · Headquarters: Las Vegas, NV, US · Unknown & Unclassified · Latest available filing year: 2022 · Primary form: IRS Form 990-N

  74. Society of Fire Protection Engineers

    EIN 912120695 · Headquarters: Austin, TX, US · Unknown & Unclassified · Latest available filing year: 2019 · Primary form: IRS Form 990-N

  75. Society of Fire Protection Engineers - New England

    EIN 056018806 · Headquarters: NORWOOD, MA, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990

  76. Society of Fire Protection Engineers - Umd Student Chapter Ll

    EIN 870944599 · Headquarters: College Park, MD, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  77. Society of Fire Protection Engineers Inc

    EIN 046108834 · Headquarters: Gaithersburg, MD, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990

  78. Society of Fire Protection Engineers Pacific Nw Inc

    EIN 916064788 · Headquarters: Seattle, WA, US · Unknown & Unclassified · Latest available filing year: 2020 · Primary form: IRS Form 990-N

  79. Society of Flavor Chemists Inc

    EIN 132733564 · Headquarters: NEPTUNE, NJ, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990

  80. Society of Folk Dance Historians

    EIN 742542075 · Headquarters: Austin, TX, US · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-N

  81. Society of Forensic Engineers & Scientists

    EIN 770438151 · Headquarters: Tracy, CA, US · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-N

  82. Society of Former Special Agents of the Fbi

    EIN 222717978 · Headquarters: DUMFRIES, VA, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  83. Society of Former Special Agents of the Fbi

    EIN 320435218 · Headquarters: DUMFRIES, VA, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  84. Society of Former Special Agents of the Fbi

    EIN 364774659 · Headquarters: DUMFRIES, VA, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  85. Society of Former Special Agents of the Fbi

    EIN 371739767 · Headquarters: Anchorage, AK, US · Unknown & Unclassified · Latest available filing year: 2013 · Primary form: IRS Form 990-N

  86. Society of Former Special Agents of the Fbi Inc

    EIN 020343852 · Headquarters: DUMFRIES, VA, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  87. Society of Former Special Agents of the Fbi Inc

    EIN 030602779 · Headquarters: DUMFRIES, VA, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  88. Society of Former Special Agents of the Fbi Inc

    EIN 042814946 · Headquarters: DUMFRIES, VA, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  89. Society of Former Special Agents of the Fbi Inc

    EIN 141917394 · Headquarters: DUMFRIES, VA, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  90. Society of Former Special Agents of the Fbi Inc

    EIN 161606238 · Headquarters: DUMFRIES, VA, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  91. Society of Former Special Agents of the Fbi Inc

    EIN 161613920 · Headquarters: DUMFRIES, VA, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  92. Society of Former Special Agents of the Fbi Inc

    EIN 204216739 · Headquarters: DUMFRIES, VA, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  93. Society of Former Special Agents of the Fbi Inc

    EIN 205750557 · Headquarters: DUMFRIES, VA, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  94. Society of Former Special Agents of the Fbi Inc

    EIN 222717983 · Headquarters: DUMFRIES, VA, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  95. Society of Former Special Agents of the Fbi Inc

    EIN 222718002 · Headquarters: DUMFRIES, VA, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  96. Society of Former Special Agents of the Fbi Inc

    EIN 222718016 · Headquarters: Battle Creek, MI, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  97. Society of Former Special Agents of the Fbi Inc

    EIN 222718018 · Headquarters: DUMFRIES, VA, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  98. Society of Former Special Agents of the Fbi Inc

    EIN 222718020 · Headquarters: DUMFRIES, VA, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  99. Society of Former Special Agents of the Fbi Inc

    EIN 222718048 · Headquarters: DUMFRIES, VA, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  100. Society of Former Special Agents of the Fbi Inc

    EIN 222718049 · Headquarters: DUMFRIES, VA, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

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