Unknown & Unclassified nonprofits in Illinois

Unknown & Unclassified nonprofits in Illinois. Browse 25,013 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. Sons of Union Veterans of the Civil War

    EIN 300369399 · Headquarters: Rockton, IL, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  2. Sons of Union Veterans of the Civil War

    EIN 352606446 · Headquarters: Northbrook, IL, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  3. Sons of Union Veterans of the Civil War

    EIN 363759191 · Headquarters: DES PLAINES, IL, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  4. Sons of Union Veterans of the Civil War

    EIN 363992168 · Headquarters: Bolingbrook, IL, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  5. Sons of Union Veterans of the Civil War

    EIN 366108959 · Headquarters: Bolingbrook, IL, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  6. Sons of Union Veterans of the Civil War

    EIN 371362552 · Headquarters: Ofallon, IL, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  7. Sons of Union Veterans of the Civil War

    EIN 371412179 · Headquarters: East Peoria, IL, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  8. Sons of Union Veterans of the Civil War

    EIN 372052070 · Headquarters: Richton Park, IL, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  9. Sons of Union Veterans of the Civil War

    EIN 383786365 · Headquarters: Glenview, IL, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  10. Sons of Union Veterans of the Civil War

    EIN 450552706 · Headquarters: Aurora, IL, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  11. Sons of Union Veterans of the Civil War

    EIN 851170957 · Headquarters: Bloomingdale, IL, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  12. Sophia and Elmer Oerter Charitable Foundation

    EIN 371213789 · Headquarters: COLUMBIA, IL, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-PF

  13. Sor Juana Pto

    EIN 880523388 · Headquarters: CHICAGO, IL, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  14. Soroptimist International of the Americas Inc

    EIN 830360993 · Headquarters: LANSING, IL, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  15. Sory Robert & Olin Sorytw-memoria

    EIN 616113143 · Headquarters: CHICAGO, IL, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-PF

  16. Sos-sold on Sobriety

    EIN 813421021 · Headquarters: Roscoe, IL, US · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-N

  17. Sosen Inc

    EIN 331185701 · Headquarters: Dixon, IL, US · Unknown & Unclassified · Latest available filing year: 2010 · Primary form: IRS Form 990-N

  18. Souder Family Foundation

    EIN 391560019 · Headquarters: Chicago, IL, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-PF

  19. Soul Children of Chicago Inc

    EIN 363346429 · Headquarters: Chicago, IL, USA · Unknown & Unclassified · Latest available filing year: 2022 · Primary form: IRS Form 990

  20. SOUL in Action

    EIN 823443870 · Headquarters: Chicago, IL, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-EZ

  21. Soul to Soul in C

    EIN 464511818 · Headquarters: Elk Grove Village, IL, US · Unknown & Unclassified · Latest available filing year: 2014 · Primary form: IRS Form 990-N

  22. South Asian Seniors and Disabled

    EIN 415050405 · Headquarters: Hoffman Estates, IL, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  23. South Beloit Athletic Booster Club

    EIN 471786860 · Headquarters: South Beloit, IL, US · Unknown & Unclassified · Latest available filing year: 2015 · Primary form: IRS Form 990-N

  24. South Carolina Chapter of the Appraisal Institute

    EIN 570934587 · Headquarters: CHICAGO, IL, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-EZ

  25. South Central Division of Iasn

    EIN 453682738 · Headquarters: MOUNT VERNON, IL, US · Unknown & Unclassified · Latest available filing year: 2020 · Primary form: IRS Form 990-N

  26. South Central Illinois Telecommunications Council Dlgts

    EIN 364639129 · Headquarters: Springfield, IL, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  27. South Central Section of the Aua

    EIN 436050005 · Headquarters: SCHAUMBURG, IL, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990

  28. South Chicago Heights Fire Fighters Association

    EIN 363440939 · Headquarters: SOUTH CHICAGO HEIGHTS, IL, USA · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-EZ

  29. South Chicago State Human Service Employees

    EIN 364207431 · Headquarters: Evergreen Park, IL, USA · Unknown & Unclassified · Latest available filing year: 2021 · Primary form: IRS Form 990-EZ

  30. South East Chicago Commission

    EIN 362226282 · Headquarters: Chicago, IL, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990

  31. South East Livingston Co Ambulance Serv

    EIN 370963981 · Headquarters: FAIRBURY, IL, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990

  32. South East Oak Park Community Organization

    EIN 204387195 · Headquarters: oak park, IL, US · Unknown & Unclassified · Latest available filing year: 2009 · Primary form: IRS Form 990-N

  33. South East Suburban Soccer League

    EIN 611843239 · Headquarters: South Holland, IL, USA · Unknown & Unclassified · Latest available filing year: 2019 · Primary form: IRS Form 990

  34. South Eastern Illinois Chapter of National Ambucs

    EIN 901117888 · Headquarters: CLAREMONT, IL, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  35. South Elgin Lions Little League

    EIN 363261799 · Headquarters: South Elgin, IL, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-EZ

  36. South Elgin Travel Baseball

    EIN 270837964 · Headquarters: Elgin, IL, US · Unknown & Unclassified · Latest available filing year: 2009 · Primary form: IRS Form 990-N

  37. South Florida Chapter of the Appraisal Institute

    EIN 596141351 · Headquarters: CHICAGO, IL, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-EZ

  38. South Fork Cemetery Association

    EIN 376032180 · Headquarters: Rochester, IL, US · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-N

  39. South Holland Business Assoc Foundation

    EIN 363812139 · Headquarters: SOUTH HOLLAND, IL, USA · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-PF

  40. South Holland Business Association

    EIN 363092623 · Headquarters: SOUTH HOLLAND, IL, USA · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-EZ

  41. South Holland Historical Society

    EIN 237079213 · Headquarters: South Holland, IL, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  42. South Lakeview Neighbors

    EIN 237396243 · Headquarters: Chicago, IL, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  43. South Loop Chamber of Commerce

    EIN 363711748 · Headquarters: CHICAGO, IL, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-EZ

  44. South Loop Concerned Coalition

    EIN 842355638 · Headquarters: Chicago, IL, US · Unknown & Unclassified · Latest available filing year: 2023 · Primary form: IRS Form 990-N

  45. South Pointe Youth for Christ

    EIN 363194797 · Headquarters: Bourbonnais, IL, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990

  46. South River Chapter 884 Women of the Moose

    EIN 222414019 · Headquarters: Mooseheart, IL, US · Unknown & Unclassified · Latest available filing year: 2023 · Primary form: IRS Form 990-N

  47. South Roxana Dad's Club Inc

    EIN 376046559 · Headquarters: SOUTH ROXANA, IL, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990

  48. South Shore Hospital Auxiliary

    EIN 363200759 · Headquarters: CHICAGO, IL, US · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-N

  49. South Shore Post No 388 Building Corporation

    EIN 237365297 · Headquarters: Chicago, IL, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  50. South Shores Christian Church

    EIN 370982530 · Headquarters: DECATUR, IL, USA · Unknown & Unclassified · Latest available filing year: 2021 · Primary form: IRS Form 990-T

  51. South Shores Elementary School Social Committee

    EIN 473485219 · Headquarters: Decatur, IL, US · Unknown & Unclassified · Latest available filing year: 2017 · Primary form: IRS Form 990-N

  52. South Side Boat Club

    EIN 370524510 · Headquarters: QUINCY, IL, USA · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990

  53. South Side Civic Club of Joliet

    EIN 361800108 · Headquarters: JOLIET, IL, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990

  54. South Side Community Art Center

    EIN 237359897 · Headquarters: Chicago, IL, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990

  55. South Side Country Club

    EIN 370524580 · Headquarters: DECATUR, IL, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990

  56. South Side Help Center Inc

    EIN 363532259 · Headquarters: CHICAGO, IL, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990

  57. 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

  58. South Suburban Archeological Society

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

  59. 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

  60. South Suburban Bridge Center

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

  61. 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

  62. 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

  63. South Suburban Housing Center

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

  64. South Suburban Macintosh User Group

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

  65. South Suburban Peace Alliance Inc

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

  66. South Suburban Special Recreation Association

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

  67. South University-tampa

    EIN 611753501 · Headquarters: BROOKFIELD, IL, US · Unknown & Unclassified · Latest available filing year: 2017 · Primary form: IRS Form 990-N

  68. South Wilmington Firemans Beach and Park Club

    EIN 362389170 · Headquarters: SOUTH WILMINGTON, IL, USA · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990

  69. South Wilmington Sportsmens Club

    EIN 370776426 · Headquarters: ESSEX, IL, USA · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990

  70. South-central Renaissance Conference

    EIN 742073681 · Headquarters: BREESE, IL, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  71. Southeast Chapter of Pcma Inc

    EIN 582411384 · Headquarters: CHICAGO, IL, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-EZ

  72. Southeast Chicago Chamber of Commerce

    EIN 363332647 · Headquarters: Chicago, IL, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990

  73. Southeast Chicago Historical Society

    EIN 363337816 · Headquarters: Chicago, IL, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  74. Southeastern Alliance of Illinois

    EIN 300041322 · Headquarters: Olney, IL, US · Unknown & Unclassified · Latest available filing year: 2019 · Primary form: IRS Form 990-N

  75. Southeastern Fastener Association

    EIN 581232716 · Headquarters: LAKE ZURICH, IL, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-EZ

  76. Southeastern Illinois Agency on Aging

    EIN 370961501 · Headquarters: MOUNT CARMEL, IL, USA · Unknown & Unclassified · Latest available filing year: 2023 · Primary form: IRS Form 990

  77. SouthEastern Illinois Electric Cooperative, Inc.

    EIN 370524860 · Headquarters: Carrier Mills, IL, United States · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990

  78. Southeastern Neuroradiological Society

    EIN 592264942 · Headquarters: OAKBROOK, IL, USA · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-EZ

  79. Southeastern Section of the Aua

    EIN 436032274 · Headquarters: SCHAUMBURG, IL, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990

  80. Southern & Central Illinois Laborers- Employers Cooperation & Education Trust

    EIN 371313584 · Headquarters: MARION, IL, USA · Unknown & Unclassified · Latest available filing year: 2023 · Primary form: IRS Form 990

  81. Southern 14 Workforce Investment Board Inc

    EIN 371139700 · Headquarters: CARMI, IL, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990

  82. Southern and Central Illinois Laborers' District Council

    EIN 370548864 · Headquarters: MARION, IL, USA · Unknown & Unclassified · Latest available filing year: 2023 · Primary form: IRS Form 990

  83. Southern California Chapter of the Appraisal Institute

    EIN 952566221 · Headquarters: CHICAGO, IL, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990

  84. Southern Express Girls Softball Inc

    EIN 611402214 · Headquarters: Alto Pass, IL, US · Unknown & Unclassified · Latest available filing year: 2015 · Primary form: IRS Form 990-N

  85. Southern Five Development Corp

    EIN 371314754 · Headquarters: Ullin, IL, USA · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990

  86. Southern Illinois Al-anon Family Groups

    EIN 371281970 · Headquarters: Cerro Gordo, IL, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  87. Southern Illinois Art Workshop

    EIN 371078383 · Headquarters: Charleston, IL, US · Unknown & Unclassified · Latest available filing year: 2022 · Primary form: IRS Form 990-N

  88. Southern Illinois Builders Association

    EIN 370626710 · Headquarters: OFALLON, IL, USA · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990

  89. Southern Illinois Cardiovascular Facility Inc

    EIN 371276333 · Headquarters: OFallon, IL, USA · Unknown & Unclassified · Latest available filing year: 2023 · Primary form: IRS Form 990

  90. Southern Illinois Chapter of Illinois Aeyc

    EIN 371343356 · Headquarters: Eldorado, IL, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  91. Southern Illinois Coalition for the Homeless

    EIN 371267589 · Headquarters: Marion, IL, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990

  92. Southern Illinois Community Sailing Club

    EIN 376080375 · Headquarters: Carbondale, IL, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  93. Southern Illinois Construction Advancement Program

    EIN 371271841 · Headquarters: OFALLON, IL, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990

  94. Southern Illinois Court 86 Royal Order of Jesters Co Vic Eskra

    EIN 237151562 · Headquarters: OFALLON, IL, USA · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-EZ

  95. Southern Illinois Dsa

    EIN 863694960 · Headquarters: MURPHYSBORO, IL, US · Unknown & Unclassified · Latest available filing year: 2022 · Primary form: IRS Form 990-N

  96. Southern Illinois Electric Cooperative

    EIN 370525125 · Headquarters: Dongola, IL, US · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990

  97. Southern Illinois Equine Group

    EIN 815191008 · Headquarters: Tamaroa, IL, US · Unknown & Unclassified · Latest available filing year: 2019 · Primary form: IRS Form 990-N

  98. Southern Illinois Erectors Assc C/o Jennifer Ryan

    EIN 371270256 · Headquarters: BELLEVILLE, IL, USA · Unknown & Unclassified · Latest available filing year: 2020 · Primary form: IRS Form 990-EZ

  99. Southern Illinois Green Iron Club

    EIN 472066266 · Headquarters: Bartelso, IL, US · Unknown & Unclassified · Latest available filing year: 2016 · Primary form: IRS Form 990-N

  100. Southern Illinois Hunting & Fishing

    EIN 371302297 · Headquarters: CARTERVILLE, IL, US · Unknown & Unclassified · Latest available filing year: 2023 · Primary form: IRS Form 990-N

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