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. South Sioux City Racing and Events Cente

    EIN 811389085 · Headquarters: WINNEBAGO, NE, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990

  2. South Skyline Firefighters

    EIN 942867086 · Headquarters: Los Gatos, CA, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  3. South Slope Cooperative Telephone Company

    EIN 420819332 · Headquarters: NORTH LIBERTY, IA, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990

  4. South Solon Historical Society

    EIN 016019170 · Headquarters: Skowhegan, ME, US · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-N

  5. South Sound Association for the Education of Young Children

    EIN 911155380 · Headquarters: McCleary, WA, US · Unknown & Unclassified · Latest available filing year: 2020 · Primary form: IRS Form 990-N

  6. South Sound Collective Voices

    EIN 200310808 · Headquarters: Federal Way, WA, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  7. South Sound Escrow Association

    EIN 300584295 · Headquarters: University Place, WA, US · Unknown & Unclassified · Latest available filing year: 2017 · Primary form: IRS Form 990-N

  8. South Sound Fly Fishers

    EIN 943179352 · Headquarters: Olympia, WA, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  9. South Sound Fruit Societ a Chapter of Western Cascade Fruit Society

    EIN 900614716 · Headquarters: Onalaska, WA, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  10. South Sound Heritage Association

    EIN 680493802 · Headquarters: Olympia, WA, US · Unknown & Unclassified · Latest available filing year: 2010 · Primary form: IRS Form 990-N

  11. South Sound Maritime Heritage Association

    EIN 910984986 · Headquarters: OLYMPIA, WA, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990

  12. South Sound Pharmaceutical Representative Association

    EIN 412257289 · Headquarters: lakewood, WA, US · Unknown & Unclassified · Latest available filing year: 2007 · Primary form: IRS Form 990-N

  13. South Sound Steppers Alanon Family Group

    EIN 300541279 · Headquarters: Olympia, WA, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  14. South Sound Washington Blue Star Mothers Wa8

    EIN 882330777 · Headquarters: PORT ORCHARD, WA, US · Unknown & Unclassified · Latest available filing year: 2022 · Primary form: IRS Form 990-N

  15. South Spencer Scholarship Foundation

    EIN 351595445 · Headquarters: ROCKPORT, IN, USA · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990

  16. South St Louis Chapter 331 Experimental Aircraft Association

    EIN 273377470 · Headquarters: Saint Louis, MO, US · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-N

  17. South St Paul Girls Hockey Red Line Club

    EIN 271188198 · Headquarters: SOUTH ST PAUL, MN, US · Unknown & Unclassified · Latest available filing year: 2010 · Primary form: IRS Form 990-N

  18. South St Paul Jaycees

    EIN 262174054 · Headquarters: South Saint Paul, MN, US · Unknown & Unclassified · Latest available filing year: 2017 · Primary form: IRS Form 990-N

  19. South St Paul Kaposia Days Inc

    EIN 411301888 · Headquarters: South Saint Paul, MN, USA · Unknown & Unclassified · Latest available filing year: 2023 · Primary form: IRS Form 990-EZ

  20. South St Paul Rod & Gun Club Inc

    EIN 416040040 · Headquarters: SOUTH SAINT PAUL, MN, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990

  21. South St Pete Youth Basketball

    EIN 274002075 · Headquarters: SAINT PETERSBURG, FL, US · Unknown & Unclassified · Latest available filing year: 2018 · Primary form: IRS Form 990-N

  22. South Stanly High School Ffa Alumni and Supporters

    EIN 852929560 · Headquarters: Norwood, NC, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  23. South Starksboro Friends Meeting Inc

    EIN 030285871 · Headquarters: Monkton, VT, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  24. South State Hwy 49 Properties Inc

    EIN 842415222 · Headquarters: JACKSON, CA, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990

  25. South Strabane Fire Department

    EIN 161715388 · Headquarters: WASHINGTON, PA, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990

  26. South Strand Campground Resort Assc

    EIN 570860263 · Headquarters: MYRTLE BEACH, SC, USA · Unknown & Unclassified · Latest available filing year: 2023 · Primary form: IRS Form 990-EZ

  27. South Strand Helping Hand Inc

    EIN 570827131 · Headquarters: SURFSIDE BEACH, SC, USA · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990

  28. South Street Community Development and Service Corporation

    EIN 475464637 · Headquarters: Morristown, NJ, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  29. South Street Downtown Holdings Inc

    EIN 020518373 · Headquarters: Hanover, NH, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990

  30. South Suburban Academy of Nutrition and Dietetics

    EIN 362949899 · Headquarters: ORLAND PARK, IL, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-EZ

  31. South Suburban Archeological Society

    EIN 364137172 · Headquarters: Homewood, IL, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  32. South Suburban Branch of the Chicago Dental Society

    EIN 394209914 · Headquarters: Chicago, IL, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  33. South Suburban Bridge Center

    EIN 472918433 · Headquarters: Homewood, IL, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  34. South Suburban Dental Hygienist Society

    EIN 800932631 · Headquarters: Chicago Heights, IL, US · Unknown & Unclassified · Latest available filing year: 2015 · Primary form: IRS Form 990-N

  35. South Suburban Genealogical & Historical Society

    EIN 237225648 · Headquarters: Hazel Crest, IL, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  36. South Suburban Housing Center

    EIN 510175452 · Headquarters: HOMEWOOD, IL, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990

  37. South Suburban Ladies Par 3 Golf Club

    EIN 742465943 · Headquarters: Centennial, CO, US · Unknown & Unclassified · Latest available filing year: 2019 · Primary form: IRS Form 990-N

  38. South Suburban Macintosh User Group

    EIN 363994238 · Headquarters: Crete, IL, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  39. South Suburban Montessori Association Inc

    EIN 341056728 · Headquarters: BRECKSVILLE, OH, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990

  40. South Suburban Park Foundation

    EIN 742141063 · Headquarters: LITTLETON, CO, USA · Unknown & Unclassified · Latest available filing year: 2010 · Primary form: IRS Form 990

  41. South Suburban Peace Alliance Inc

    EIN 833962993 · Headquarters: Harvey, IL, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  42. South Suburban Special Recreation Association

    EIN 363018275 · Headquarters: TINLEY PARK, IL, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990

  43. South Suburban United Io

    EIN 821168217 · Headquarters: APPLE VALLEY, MN, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-EZ

  44. South Suburbs Dart League Inc

    EIN 341762993 · Headquarters: north Royalton, OH, US · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-N

  45. South Sudan Education and Empowerme Nt for Development Foundation

    EIN 421811491 · Headquarters: Bowie, MD, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  46. South Sudanese Community

    EIN 471756150 · Headquarters: Snellville, GA, USA · Unknown & Unclassified · Latest available filing year: 2022 · Primary form: IRS Form 990-EZ

  47. South Sudanese Congregation

    EIN 465192389 · Headquarters: Saint Joseph, MO, US · Unknown & Unclassified · Latest available filing year: 2015 · Primary form: IRS Form 990-N

  48. South Summit Chamber of Commerce

    EIN 340084260 · Headquarters: BARBERTON, OH, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-EZ

  49. South Summit Sports and Scholarship Inc

    EIN 341621265 · Headquarters: AKRON, OH, US · Unknown & Unclassified · Latest available filing year: 2021 · Primary form: IRS Form 990-N

  50. South Sunrise Little League

    EIN 956069330 · Headquarters: ORANGE, CA, USA · Unknown & Unclassified · Latest available filing year: 2022 · Primary form: IRS Form 990-EZ

  51. South Swan Ii Realty Inc

    EIN 161522096 · Headquarters: ALBANY, NY, USA · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990

  52. South Tacoma Automobile & Retail Stores Business Association

    EIN 465653909 · Headquarters: STEILACOOM, WA, US · Unknown & Unclassified · Latest available filing year: 2020 · Primary form: IRS Form 990-N

  53. South Tacoma Business District Association

    EIN 911778835 · Headquarters: Tacoma, WA, US · Unknown & Unclassified · Latest available filing year: 2009 · Primary form: IRS Form 990-N

  54. South Tacoma Masonic Hall Association

    EIN 910544575 · Headquarters: Tacoma, WA, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  55. South Tahoe High School Grad Night Task Force

    EIN 680367276 · Headquarters: South Lake Tahoe, CA, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-EZ

  56. South Tahoe National Little League INC

    EIN 946112254 · Headquarters: South Lake Tahoe, CA, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-EZ

  57. South Tahoe Soccer Association

    EIN 274198101 · Headquarters: SOUTH LAKE TAHOE, CA, US · Unknown & Unclassified · Latest available filing year: 2010 · Primary form: IRS Form 990-N

  58. South Tama Education Association

    EIN 274373052 · Headquarters: Des Moines, IA, US · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-N

  59. South Tampa Chamber of Commerce Inc

    EIN 592803419 · Headquarters: TAMPA, FL, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990

  60. South Tampa Titans Inc

    EIN 202359130 · Headquarters: TAMPA, FL, USA · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990

  61. South Tarrant County Chamber of Commerce

    EIN 752194038 · Headquarters: FOREST HILL, TX, US · Unknown & Unclassified · Latest available filing year: 2019 · Primary form: IRS Form 990-N

  62. South Tawakoni Water Supply Corporation

    EIN 751235001 · Headquarters: WILLS POINT, TX, USA · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990

  63. South Taylor Emergency Medical Serv

    EIN 752299987 · Headquarters: Abilene, TX, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990

  64. South Terrace Parent-teacher Organization

    EIN 351440717 · Headquarters: Wadesville, IN, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  65. South Terry Water Association Inc

    EIN 640720889 · Headquarters: TERRY, MS, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990

  66. South Texas Alliance for Orphans

    EIN 822119250 · Headquarters: BOERNE, TX, USA · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990

  67. South Texas Alliance of Career Champions

    EIN 852152632 · Headquarters: San Antonio, TX, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  68. South Texas Area Recruitment Network

    EIN 814882276 · Headquarters: Elsa, TX, US · Unknown & Unclassified · Latest available filing year: 2017 · Primary form: IRS Form 990-N

  69. South Texas Assets Consortium

    EIN 462819496 · Headquarters: RIO GRANDE CITY, TX, US · Unknown & Unclassified · Latest available filing year: 2013 · Primary form: IRS Form 990-N

  70. South Texas Authors of Romance

    EIN 760345762 · Headquarters: San Antonio, TX, US · Unknown & Unclassified · Latest available filing year: 2022 · Primary form: IRS Form 990-N

  71. South Texas Beagle Club

    EIN 352928906 · Headquarters: CLEVELAND, TX, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  72. South Texas Border Region Sports Car Club of America Inc

    EIN 746062881 · Headquarters: Corpus Christi, TX, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  73. South Texas Bridge Association

    EIN 742523826 · Headquarters: CORPUS CHRISTI, TX, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-EZ

  74. South Texas Business Partnership

    EIN 742467696 · Headquarters: SAN ANTONIO, TX, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990

  75. South Texas Chapter National Electrical Contractors Association

    EIN 741010084 · Headquarters: SAN ANTONIO, TX, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990

  76. South Texas Chapter of Sigma Xi Scientific Research Society

    EIN 742931725 · Headquarters: Corpus Christi, TX, US · Unknown & Unclassified · Latest available filing year: 2019 · Primary form: IRS Form 990-N

  77. South Texas Chapter of the Association O of America

    EIN 742840104 · Headquarters: CORPUS CHRISTI, TX, USA · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990

  78. South Texas Chapter of the Federal Bar Association

    EIN 742086032 · Headquarters: HOUSTON, TX, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-EZ

  79. South Texas Chapter of the Risk & Insurance Management Society Inc

    EIN 741983497 · Headquarters: SAN ANTONIO, TX, USA · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-EZ

  80. South Texas Chapter of the Society of Industrial and Office Realtors

    EIN 204648556 · Headquarters: SAN ANTONIO, TX, US · Unknown & Unclassified · Latest available filing year: 2011 · Primary form: IRS Form 990-N

  81. South Texas Charitable Foundation

    EIN 742148107 · Headquarters: VICTORIA, TX, USA · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-PF

  82. South Texas Cotton & Grain Association Inc

    EIN 741478132 · Headquarters: VICTORIA, TX, USA · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990

  83. South Texas Electric Cooperative

    EIN 741393760 · Headquarters: Victoria, TX, US · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990

  84. South Texas Employees Recreation Association

    EIN 760230785 · Headquarters: WADSWORTH, TX, USA · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990

  85. South Texas Eventing Association

    EIN 882821800 · Headquarters: Hockley, TX, US · Unknown & Unclassified · Latest available filing year: 2022 · Primary form: IRS Form 990-N

  86. South Texas Firebirds

    EIN 883469067 · Headquarters: CONVERSE, TX, US · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-N

  87. South Texas Futbol Club

    EIN 742248869 · Headquarters: Corpus Christi, TX, USA · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-EZ

  88. South Texas Gcsa Inc

    EIN 760386537 · Headquarters: CYPRESS, TX, USA · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990

  89. South Texas Geological Society

    EIN 741621894 · Headquarters: SAN ANTONIO, TX, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-EZ

  90. South Texas Geological Society Charitabl

    EIN 741863162 · Headquarters: SAN ANTONIO, TX, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-EZ

  91. South Texas Haven Properrty Owners Assoc Inc

    EIN 742496944 · Headquarters: La Feria, TX, US · Unknown & Unclassified · Latest available filing year: 2021 · Primary form: IRS Form 990-N

  92. South Texas Hereford Association

    EIN 740908475 · Headquarters: BEEVILLE, TX, USA · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990

  93. South Texas Hooks

    EIN 412775585 · Headquarters: Conroe, TX, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  94. South Texas Mensa

    EIN 741873495 · Headquarters: San Antonio, TX, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  95. South Texas Motorcycle Museum

    EIN 263519279 · Headquarters: Edinburg, TX, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  96. South Texas Off Road Mountain- Bikers - Storm

    EIN 822008492 · Headquarters: San Antonio, TX, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  97. South Texas Press Association Inc

    EIN 742309932 · Headquarters: Flatonia, TX, US · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-N

  98. South Texas Quantum Center

    EIN 800915336 · Headquarters: MCALLEN, TX, US · Unknown & Unclassified · Latest available filing year: 2012 · Primary form: IRS Form 990-N

  99. South Texas Rolleristas

    EIN 800766016 · Headquarters: MCALLEN, TX, USA · Unknown & Unclassified · Latest available filing year: 2016 · Primary form: IRS Form 990

  100. South Texas Rural Health Services

    EIN 741905196 · Headquarters: Cotulla, TX, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990

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