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. Social No 245 F & a M

    EIN 237532550 · Headquarters: Dousman, WI, US · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-N

  2. Social Operation Inc

    EIN 900771368 · Headquarters: New York, NY, US · Unknown & Unclassified · Latest available filing year: 2017 · Primary form: IRS Form 990-N

  3. Social Phenom

    EIN 863173644 · Headquarters: Cleveland Heights, OH, US · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-N

  4. Social Philosophy and Policy Foundation

    EIN 341502497 · Headquarters: BOWLING GREEN, OH, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-PF

  5. Social Research Applications

    EIN 770101002 · Headquarters: LOS ALTOS HILLS, CA, USA · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990

  6. Social Responsibility Chicago

    EIN 362916880 · Headquarters: Chicago, IL, USA · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-EZ

  7. Social Sanctuary Corp

    EIN 934554294 · Headquarters: Carlsbad, CA, US · Unknown & Unclassified · Latest available filing year: 2023 · Primary form: IRS Form 990-N

  8. Social Science Education Consortium Inc

    EIN 351119455 · Headquarters: Elliston, VA, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  9. Social Science Research & Evaluation Inc

    EIN 222551337 · Headquarters: Lincoln, MA, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990

  10. Social Security Credit Union

    EIN 630332689 · Headquarters: BIRMINGHAM, AL, USA · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990

  11. Social Security Retirees Club

    EIN 262641512 · Headquarters: Chicago, IL, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  12. Social Service Association of Ridgewood and Vicinity

    EIN 221487345 · Headquarters: Ridgewood, NJ, US · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990

  13. Social Service Employees Union Local 371 Administrative Fund

    EIN 132858100 · Headquarters: NEW YORK, NY, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990

  14. Social Service Employees Union Local 371 Legal Service Fund

    EIN 132831385 · Headquarters: NEW YORK, NY, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990

  15. Social Service League of Ithaca Inc

    EIN 150539122 · Headquarters: ITHACA, NY, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-PF

  16. Social Service League of Lawrence Inc

    EIN 480554509 · Headquarters: LAWRENCE, KS, USA · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-EZ

  17. Social Service Volunteers of Nassau Inc C/o Nassau County Dept of Social Serv

    EIN 112669114 · Headquarters: UNIONDALE, NY, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-EZ

  18. Social Services Commissioners Western Region

    EIN 237313516 · Headquarters: Rochester, NY, US · Unknown & Unclassified · Latest available filing year: 2020 · Primary form: IRS Form 990-N

  19. Social Services Union Seiu Local 535

    EIN 952309440 · Headquarters: OAKLAND, CA, USA · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990

  20. Social Structural Research Inc

    EIN 042711980 · Headquarters: Cambridge, MA, US · Unknown & Unclassified · Latest available filing year: 2010 · Primary form: IRS Form 990-N

  21. Social Trail

    EIN 821952467 · Headquarters: Louisville, CO, US · Unknown & Unclassified · Latest available filing year: 2017 · Primary form: IRS Form 990-N

  22. Social Ventures for Sustainability

    EIN 463584651 · Headquarters: San Diego, CA, US · Unknown & Unclassified · Latest available filing year: 2015 · Primary form: IRS Form 990-N

  23. Social Wellness Institute

    EIN 931988227 · Headquarters: Wilmington, DE, US · Unknown & Unclassified · Latest available filing year: 2023 · Primary form: IRS Form 990-N

  24. Social Work Alumini Association

    EIN 383784182 · Headquarters: Elizabeth City, NC, US · Unknown & Unclassified · Latest available filing year: 2009 · Primary form: IRS Form 990-N

  25. Social Work Club

    EIN 932120808 · Headquarters: Jacksonville, AL, US · Unknown & Unclassified · Latest available filing year: 2023 · Primary form: IRS Form 990-N

  26. Social Works Spirit Vale Do Amanhecer Andaro Inc

    EIN 995120294 · Headquarters: LEOMINSTER, MA, USA · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-EZ

  27. Socialite Club of Staten Island

    EIN 133952031 · Headquarters: ny, NY, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  28. Socialization Through Activities Respite & Recreation

    EIN 946173419 · Headquarters: Placerville, CA, US · Unknown & Unclassified · Latest available filing year: 2022 · Primary form: IRS Form 990-N

  29. Socializing for Success Inc

    EIN 364654383 · Headquarters: Boyertown, PA, US · Unknown & Unclassified · Latest available filing year: 2011 · Primary form: IRS Form 990-N

  30. Socially Liberal Fiscally Conservative Policy Education Cent

    EIN 812856260 · Headquarters: Boston, MA, US · Unknown & Unclassified · Latest available filing year: 2016 · Primary form: IRS Form 990-N

  31. Socido World Cultures

    EIN 421936387 · Headquarters: Portland, OR, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  32. Sociedad Biblica De Pr Inc

    EIN 660330313 · Headquarters: San Juan, PR, USA · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990

  33. Sociedad Civil Promocion Integral Del Nino Inc

    EIN 921205915 · Headquarters: Miami, FL, US · Unknown & Unclassified · Latest available filing year: 2022 · Primary form: IRS Form 990-N

  34. Sociedad Cubana De Orlando Inc

    EIN 592612382 · Headquarters: Orlando, FL, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  35. Sociedad Cultural Hispano Americana

    EIN 742446386 · Headquarters: HARKER HEIGHTS, TX, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  36. Sociedad Da Trinidade De Riverdale

    EIN 946253993 · Headquarters: RIVERDALE, CA, USA · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-EZ

  37. Sociedad Hidalgo Inc

    EIN 431264880 · Headquarters: CASTLE ROCK, CO, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  38. Sociedad Jose Marti of Inglewood Inc

    EIN 237090909 · Headquarters: HAWTHORNE, CA, USA · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-EZ

  39. Sociedad Morelos Mutualista De Oberos Mexicanos

    EIN 320369507 · Headquarters: ATWATER, CA, US · Unknown & Unclassified · Latest available filing year: 2013 · Primary form: IRS Form 990-N

  40. Sociedad Mutualista Mixta De Chula Vista

    EIN 953402438 · Headquarters: Chula Vista, CA, US · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-N

  41. Sociedad Mutualista Obrera Mexicana

    EIN 746157748 · Headquarters: HOUSTON, TX, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  42. Sociedad Progresista Mexicana Lodge 30

    EIN 946253992 · Headquarters: Fresno, CA, US · Unknown & Unclassified · Latest available filing year: 2015 · Primary form: IRS Form 990-N

  43. Sociedad Santa Maria Tindu

    EIN 992751079 · Headquarters: Madera, CA, USA · Unknown & Unclassified · Latest available filing year: 2023 · Primary form: IRS Form 990-EZ

  44. Sociedade Da Festa Velha Do Divino Espirito Santo De Mt View No1

    EIN 941640300 · Headquarters: MOUNTAIN VIEW, CA, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990

  45. Sociedade De Sao Joao Inc

    EIN 770003867 · Headquarters: HANFORD, CA, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990

  46. Sociedade Festa Divino Espirito

    EIN 330128789 · Headquarters: WILLOWS, CA, USA · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-EZ

  47. Sociedade Filarmonica Nova Artista Acoreana De Tracy

    EIN 942648198 · Headquarters: TRACY, CA, USA · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-EZ

  48. Sociedade Filarmonica Uniao Portuguesa De Santa Clara

    EIN 942903591 · Headquarters: SANTA CLARA, CA, USA · Unknown & Unclassified · Latest available filing year: 2023 · Primary form: IRS Form 990-EZ

  49. Sociedade Filarmonics Lira Acoreana De Livingston Marching Band Foundation

    EIN 942822305 · Headquarters: LIVINGSTON, CA, USA · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990

  50. Sociedade Portuguesa Rainha Santa Isabel

    EIN 940401315 · Headquarters: DUBLIN, CA, US · Unknown & Unclassified · Latest available filing year: 2009 · Primary form: IRS Form 990-N

  51. Societa Bosconerese Di Los Andeles

    EIN 954308737 · Headquarters: San Gabriel, CA, US · Unknown & Unclassified · Latest available filing year: 2010 · Primary form: IRS Form 990-N

  52. Societa Di Maria Santissimo Del Lume

    EIN 946092765 · Headquarters: San Francisco, CA, US · Unknown & Unclassified · Latest available filing year: 2023 · Primary form: IRS Form 990-N

  53. Societa Di Mutuo Soccorsso Operaia Venta

    EIN 361909878 · Headquarters: ROCKFORD, IL, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990

  54. Societa Dimutuo Soccorso Carovilles

    EIN 340539855 · Headquarters: AKRON, OH, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990

  55. Societa Disan Giovambattista - St John the Baptist Society

    EIN 222222429 · Headquarters: HAMMONTON, NJ, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  56. Societa Dunione E Fratellanza Italiana

    EIN 436035489 · Headquarters: SAINT LOUIS, MO, US · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-N

  57. Societa Figli De Ragusa Inc

    EIN 112670111 · Headquarters: BROOKLYN, NY, USA · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-EZ

  58. Societa Frainese Di Mutuo Soccorso

    EIN 222006486 · Headquarters: Clifton, NJ, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  59. Societa Maria Ss Del Monte Carmelo Building Associ

    EIN 060540672 · Headquarters: Enfield, CT, USA · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990

  60. Societa Mutuo Soccorso Italiana Villetta Barrea Di Mckees Rocks Pa

    EIN 250806709 · Headquarters: MCKEES ROCKS, PA, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-EZ

  61. Societa Operaic Di Mutto Soccorossa Amaseno Provinci De Roma

    EIN 823984635 · Headquarters: CHICAGO HEIGHTS, IL, USA · Unknown & Unclassified · Latest available filing year: 2018 · Primary form: IRS Form 990-EZ

  62. Societa Oriundi Castellani Inc

    EIN 222672204 · Headquarters: Bloomfield, NJ, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-EZ

  63. Societa Romana Dimutuo Soccors

    EIN 237025007 · Headquarters: TRENTON, NJ, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990

  64. Societa San Calogero Di Torretta

    EIN 112938389 · Headquarters: BROOKLYN, NY, USA · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-EZ

  65. Societa San Giuseppe Lavoratori Di Cinisi

    EIN 464714611 · Headquarters: Shelby Township, MI, US · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-N

  66. Societa Ss Medici Cosma & Damiano Bitonto Inc

    EIN 223377628 · Headquarters: BERGENFIELD, NJ, US · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-N

  67. Societa Unita Club Inc

    EIN 451261834 · Headquarters: Union City, NJ, USA · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-EZ

  68. Societa Vittoria Italiana

    EIN 426089501 · Headquarters: ANKENY, IA, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990

  69. Societas Est Optometric Inc

    EIN 463431097 · Headquarters: HIGHLAND, CA, US · Unknown & Unclassified · Latest available filing year: 2017 · Primary form: IRS Form 990-N

  70. Societas Sancti Joseph

    EIN 383935261 · Headquarters: CORPUS CHRISTI, TX, US · Unknown & Unclassified · Latest available filing year: 2020 · Primary form: IRS Form 990-N

  71. Societe Des Professeurs Francais Et Francophones DAmerique

    EIN 133150248 · Headquarters: New York, NY, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-PF

  72. Societe Francaise De St Louis

    EIN 431106034 · Headquarters: Hillsboro, MO, US · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-N

  73. Societe Jacques Cartier

    EIN 050220062 · Headquarters: PAWTUCKET, RI, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990

  74. Society and Genetics Undergraduate Organization at Ucla

    EIN 990624822 · Headquarters: Los Angeles, CA, US · Unknown & Unclassified · Latest available filing year: 2023 · Primary form: IRS Form 990-N

  75. Society Daughters of the United States Army

    EIN 541640735 · Headquarters: Reston, VA, US · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-N

  76. Society for Academic Achievement -Saa-

    EIN 370798793 · Headquarters: Quincy, IL, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  77. Society for Accessible Travel and Hospitality Inc

    EIN 112431735 · Headquarters: New York, NY, US · Unknown & Unclassified · Latest available filing year: 2013 · Primary form: IRS Form 990-N

  78. Society for Adolescent Health and Medicine

    EIN 237035351 · Headquarters: SCHAUMBURG, IL, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990

  79. Society for Advanced Body Imaging

    EIN 411406655 · Headquarters: OKEMOS, MI, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990

  80. Society for Advancement of Management

    EIN 133179394 · Headquarters: Orlando, FL, USA · Unknown & Unclassified · Latest available filing year: 2023 · Primary form: IRS Form 990

  81. Society for Airway Management

    EIN 364007646 · Headquarters: SCHEREVILLE, IN, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-EZ

  82. Society for Ambulatory Anesthesia

    EIN 541355440 · Headquarters: MILWAUKEE, WI, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990

  83. Society for Americas Freedom and Excellence

    EIN 263899262 · Headquarters: Boca Raton, FL, US · Unknown & Unclassified · Latest available filing year: 2008 · Primary form: IRS Form 990-N

  84. Society for Ancient Mediterranean Religions

    EIN 392075435 · Headquarters: Knoxville, TN, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  85. Society for Applied Anthropology

    EIN 150588968 · Headquarters: OKLAHOMA CITY, OK, USA · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990

  86. Society for Applied Spectroscopy

    EIN 529900013 · Headquarters: Greenblet, MD, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  87. Society for Applied Spectroscopy New York Section

    EIN 136181044 · Headquarters: Lebanon, NJ, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  88. Society for Archaeological Sciences University of California

    EIN 953478335 · Headquarters: Henderson, NV, US · Unknown & Unclassified · Latest available filing year: 2020 · Primary form: IRS Form 990-N

  89. Society for Armenian Studies Inc

    EIN 042606313 · Headquarters: Fresno, CA, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  90. Society for Assisted Reproductive Technology

    EIN 630941694 · Headquarters: BIRMINGHAM, AL, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990

  91. Society for Basic Urologic Research Inc

    EIN 363607930 · Headquarters: EAST DUNDEE, IL, USA · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990

  92. Society for Biodiversity Preservation

    EIN 822245785 · Headquarters: Washington, DC, USA · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-EZ

  93. Society for Black Military Studies

    EIN 932972451 · Headquarters: Columbus, GA, US · Unknown & Unclassified · Latest available filing year: 2023 · Primary form: IRS Form 990-N

  94. Society for California Archaelogy

    EIN 237013095 · Headquarters: GRANITE BAY, CA, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990

  95. Society for Cardiovascular Angiography and Interventions Foundation

    EIN 341266824 · Headquarters: WASHINGTON, DC, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990

  96. Society for Cardiovascular Magnetic Resonance

    EIN 223293645 · Headquarters: EAST DUNDEE, IL, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990

  97. Society for Cardiovascular Pathology Inc

    EIN 222816999 · Headquarters: Birmingham, AL, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-EZ

  98. Society for Chamber Music in Rochester Inc

    EIN 222200196 · Headquarters: ROCHESTER, NY, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990

  99. Society for Chemical Hazard Communication

    EIN 521260336 · Headquarters: MOUNT LAUREL, NJ, USA · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990

  100. Society for Christian Activities

    EIN 046130444 · Headquarters: FORESTDALE, MA, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990

First page and all pages