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. Chi Zeta Corporation

    EIN 840473295 · Headquarters: Fort Collins, CO, USA · Unknown & Unclassified · Latest available filing year: 2018 · Primary form: IRS Form 990

  2. Chi Zeta of Chi Omega Fraternity

    EIN 840722175 · Headquarters: FORT COLLINS, CO, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-EZ

  3. Chi-i-do International Organization Inc

    EIN 463185007 · Headquarters: NEW YORK, NY, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  4. Chi-leap Scholarship Foundation

    EIN 863109735 · Headquarters: Chicago, IL, USA · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-PF

  5. Chi-northside Widows Home Inc

    EIN 881072051 · Headquarters: PITTSBURGH, PA, USA · Unknown & Unclassified · Latest available filing year: 2023 · Primary form: IRS Form 990

  6. Chi-ro Ministries Inc

    EIN 823225090 · Headquarters: Humble, TX, US · Unknown & Unclassified · Latest available filing year: 2017 · Primary form: IRS Form 990-N

  7. Chi-Town Goodfellas Inc

    EIN 824167627 · Headquarters: CHICAGO, IL, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  8. Chiang Ching-kuo Foundation for International Scholarly Exchange (USA)

    EIN 521650105 · Headquarters: MCLEAN, VA, USA · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-PF

  9. Chiao Hsin Chinese Language School

    EIN 954287891 · Headquarters: MONTEREY PARK, CA, USA · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990

  10. Chiao Tung University Alumni Foundation of America Inc

    EIN 237241445 · Headquarters: FORT MYERS, FL, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990

  11. Chiaravalle Montessori School

    EIN 362580506 · Headquarters: Evanston, IL, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990

  12. Chiburbanite Nfp

    EIN 994301816 · Headquarters: Richton Park, IL, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  13. Chic Bist Foundation Inc

    EIN 821910275 · Headquarters: RESCUE, CA, USA · Unknown & Unclassified · Latest available filing year: 2018 · Primary form: IRS Form 990-EZ

  14. Chicago & Eastern Illinois System Division

    EIN 366145428 · Headquarters: Monticello, IL, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-EZ

  15. Chicago & Midwest Regional Joint Board Workers United

    EIN 362938055 · Headquarters: CHICAGO, IL, USA · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990

  16. Chicago & Vicinity Laborers' District Council Health & Welfare Fund

    EIN 362151212 · Headquarters: Chicago, IL, US · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990

  17. Chicago (IL) Chapter of The Links Incorporated

    EIN 366150607 · Headquarters: Chicago, IL, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990

  18. Chicago Abortion Fund

    EIN 363451293 · Headquarters: CHICAGO, IL, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990

  19. Chicago Academy of Nutrition and Dietetics Inc

    EIN 237181358 · Headquarters: CHICAGO, IL, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990

  20. Chicago Access Corporation

    EIN 363239826 · Headquarters: CHICAGO, IL, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-PF

  21. Chicago Adapt

    EIN 842370741 · Headquarters: Chicago, IL, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  22. Chicago Advertising Federation

    EIN 360899605 · Headquarters: PARK RIDGE, IL, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990

  23. Chicago All in Church

    EIN 871830902 · Headquarters: ARLINGTON HEIGHTS, IL, USA · Unknown & Unclassified · Latest available filing year: 2021 · Primary form: IRS Form 990-EZ

  24. Chicago Alliance of Visual Artists

    EIN 363626396 · Headquarters: Northfield, IL, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  25. Chicago and Cook County Building and Construction Trades Council

    EIN 360897240 · Headquarters: BURR RIDGE, IL, USA · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990

  26. Chicago Area Alternative Education League

    EIN 363074599 · Headquarters: LA GRANGE, IL, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990

  27. Chicago Area Camera Clubs Association

    EIN 362885585 · Headquarters: Wilmette, IL, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  28. Chicago Area Cancer Registrars Association

    EIN 362935310 · Headquarters: portage, IN, US · Unknown & Unclassified · Latest available filing year: 2019 · Primary form: IRS Form 990-N

  29. Chicago Area Chapter of Construction Financial Management Association

    EIN 363262211 · Headquarters: FRANKFORT, IL, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990

  30. Chicago Area Construction Testing

    EIN 822790458 · Headquarters: CHICAGO, IL, USA · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-EZ

  31. Chicago Area Fair Housing Alliance

    EIN 363384397 · Headquarters: CHICAGO, IL, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990

  32. Chicago Area Families for Adoption

    EIN 363489277 · Headquarters: Arlington Heights, IL, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  33. Chicago Area Health Information Management Association

    EIN 465403329 · Headquarters: Chicago, IL, US · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-N

  34. Chicago Area Ib of T Health and Welfare Trust Fund

    EIN 362187389 · Headquarters: DOWNERS GROVE, IL, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990

  35. Chicago Area Indian Kids Association

    EIN 991503164 · Headquarters: LONG GROVE, IL, US · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-N

  36. Chicago Area Jt Welfare Comm for the Pointing Cleaning Caulking Ind

    EIN 362344463 · Headquarters: ELMHURST, IL, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990

  37. Chicago Area Mechanical Contracting Industry Improvement Trust

    EIN 363119979 · Headquarters: BURR RIDGE, IL, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990

  38. Chicago Area Regional Representatives

    EIN 364378386 · Headquarters: Itasca, IL, US · Unknown & Unclassified · Latest available filing year: 2015 · Primary form: IRS Form 990-N

  39. Chicago Area Runners Association

    EIN 363054942 · Headquarters: Chicago, IL, USA · Unknown & Unclassified · Latest available filing year: 2023 · Primary form: IRS Form 990

  40. Chicago Area Sa Intergroup

    EIN 364212940 · Headquarters: Glen Ellyn, IL, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  41. Chicago Area Sail Racing Association

    EIN 820837899 · Headquarters: Morton Grove, IL, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  42. Chicago Area Tandem Society

    EIN 364251197 · Headquarters: Batavia, IL, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  43. Chicago Arts Partnerships in Education

    EIN 363969334 · Headquarters: CHICAGO, IL, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990

  44. Chicago Association for Nursing Professional Development

    EIN 352368117 · Headquarters: Chicago, IL, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  45. Chicago Association of Direct Marketing

    EIN 237113429 · Headquarters: FRANKFORT, IL, USA · Unknown & Unclassified · Latest available filing year: 2022 · Primary form: IRS Form 990-EZ

  46. Chicago Association of Law Libraries

    EIN 363785261 · Headquarters: Chicago, IL, US · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-N

  47. Chicago Association of REALTORS

    EIN 360904580 · Headquarters: CHICAGO, IL, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990

  48. Chicago Association of Spring Manufacturers

    EIN 363480100 · Headquarters: Wales, WI, US · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990

  49. Chicago Ballet Theatre

    EIN 834524294 · Headquarters: BLOOMINGDALE, IL, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  50. Chicago Beauty Supply Association

    EIN 352521304 · Headquarters: GLENVIEW, IL, US · Unknown & Unclassified · Latest available filing year: 2013 · Primary form: IRS Form 990-N

  51. Chicago Beer Society

    EIN 901134386 · Headquarters: Chicago, IL, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  52. Chicago Big Brother Youth Leadership Academy

    EIN 854045151 · Headquarters: Evergreen Park, IL, US · Unknown & Unclassified · Latest available filing year: 2021 · Primary form: IRS Form 990-N

  53. Chicago Black Methodoist for Church

    EIN 362710547 · Headquarters: Harvey, IL, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990

  54. Chicago Blackhawk Alumni Association

    EIN 363557113 · Headquarters: CHICAGO, IL, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990

  55. Chicago Blaze Rugby Club Inc

    EIN 363988290 · Headquarters: LEMONT, IL, USA · Unknown & Unclassified · Latest available filing year: 2012 · Primary form: IRS Form 990-EZ

  56. Chicago Board of Trade Foundation

    EIN 363348469 · Headquarters: CHICAGO, IL, USA · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-PF

  57. Chicago Booth Angels Network of Chicago

    EIN 901891561 · Headquarters: Chicago, IL, US · Unknown & Unclassified · Latest available filing year: 2021 · Primary form: IRS Form 990-N

  58. Chicago Bow Hunters Inc

    EIN 366100967 · Headquarters: BOLINGBROOK, IL, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990

  59. Chicago Building Congress

    EIN 362042486 · Headquarters: Chicago, IL, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990

  60. Chicago Business Travel Association

    EIN 363280259 · Headquarters: CHICAGO, IL, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-EZ

  61. Chicago Center for Family Health

    EIN 363797604 · Headquarters: WILMETTE, IL, US · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-N

  62. Chicago Central Area Committee

    EIN 362318849 · Headquarters: CHICAGO, IL, USA · Unknown & Unclassified · Latest available filing year: 2020 · Primary form: IRS Form 990-EZ

  63. Chicago Central Msbl

    EIN 363758992 · Headquarters: LOMBARD, IL, USA · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-EZ

  64. Chicago Chapter - Architectural

    EIN 362588431 · Headquarters: OAKBROOK TERRACE, IL, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-EZ

  65. Chicago Chapter - Construction Specifications Institute

    EIN 911999352 · Headquarters: Lisle, IL, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-EZ

  66. Chicago Chapter Charities Foundation Inc

    EIN 363620773 · Headquarters: EVERGREEN PARK, IL, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-EZ

  67. Chicago Chapter No 1 Izzak Walton League of America Inc

    EIN 851792049 · Headquarters: Huntley, IL, US · Unknown & Unclassified · Latest available filing year: 2020 · Primary form: IRS Form 990-N

  68. Chicago Chapter NSDAR

    EIN 366086058 · Headquarters: Chicago, IL, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990

  69. Chicago Chapter of Alpha Delta Phi

    EIN 362534024 · Headquarters: CHICAGO, IL, USA · Unknown & Unclassified · Latest available filing year: 2013 · Primary form: IRS Form 990-EZ

  70. Chicago Chapter of Smps

    EIN 363104907 · Headquarters: CHICAGO, IL, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-EZ

  71. Chicago Chapter of the American Singles Golf Association

    EIN 611581059 · Headquarters: Palatine, IL, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  72. Chicago Chapter of the Appraisal Institute

    EIN 362351810 · Headquarters: CHICAGO, IL, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990

  73. Chicago Chapter-american Mold Builders Association

    EIN 363001299 · Headquarters: south elgin, IL, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  74. Chicago Chinese Christian Chorale Cccc

    EIN 363055095 · Headquarters: Chicago, IL, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  75. Chicago Choral Artists Dba Consonance

    EIN 363117520 · Headquarters: Oak Park, IL, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-EZ

  76. Chicago Chosen Mispat Institute

    EIN 274615530 · Headquarters: CHICAGO, IL, US · Unknown & Unclassified · Latest available filing year: 2022 · Primary form: IRS Form 990-N

  77. Chicago City Life Center

    EIN 363741462 · Headquarters: Chicago, IL, USA · Unknown & Unclassified · Latest available filing year: 2021 · Primary form: IRS Form 990-T

  78. Chicago Clarinet Ensemble

    EIN 800186696 · Headquarters: CHICAGO, IL, US · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-N

  79. Chicago Climate Corps Inc

    EIN 393726821 · Headquarters: NORTHBROOK, IL, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  80. Chicago Club of the Deaf

    EIN 366101948 · Headquarters: OAK BROOK, IL, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-EZ

  81. Chicago Coalition to End Homelessness

    EIN 363292607 · Headquarters: Chicago, IL, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990

  82. Chicago Coin Club

    EIN 366098229 · Headquarters: Chicago, IL, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  83. Chicago Columbia Club

    EIN 366091492 · Headquarters: Highland Park, IL, US · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-N

  84. Chicago Committee on High Rise Buildings

    EIN 237055333 · Headquarters: Chicago, IL, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-EZ

  85. Chicago Committee on Trauma

    EIN 363247729 · Headquarters: Bolingbrook, IL, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990

  86. Chicago Commonwealth Club

    EIN 360898268 · Headquarters: Lisle, IL, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-EZ

  87. Chicago Community Darkroom

    EIN 452793505 · Headquarters: chicago, IL, US · Unknown & Unclassified · Latest available filing year: 2018 · Primary form: IRS Form 990-N

  88. Chicago Community Health Center Org

    EIN 863283868 · Headquarters: Chicago, IL, US · Unknown & Unclassified · Latest available filing year: 2022 · Primary form: IRS Form 990-N

  89. Chicago Compensation Association

    EIN 362898955 · Headquarters: Chicago, IL, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-EZ

  90. Chicago Composers Consortium

    EIN 363627833 · Headquarters: Chicago, IL, US · Unknown & Unclassified · Latest available filing year: 2022 · Primary form: IRS Form 990-N

  91. Chicago Contract Bridge Association

    EIN 362531553 · Headquarters: Glenview, IL, USA · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-EZ

  92. Chicago Corinthian Yacht Club

    EIN 362046563 · Headquarters: CHICAGO, IL, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990

  93. Chicago Corvette Club Inc

    EIN 264494867 · Headquarters: Warrenville, IL, USA · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-EZ

  94. Chicago Cosmetologists Association

    EIN 360901250 · Headquarters: Rosemont, IL, USA · Unknown & Unclassified · Latest available filing year: 2023 · Primary form: IRS Form 990

  95. Chicago Costume Community

    EIN 393664639 · Headquarters: Chicago, IL, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  96. Chicago Council of Lawyers

    EIN 362696733 · Headquarters: EVANSTON, IL, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-EZ

  97. Chicago Council of Realtors

    EIN 364066572 · Headquarters: CHICAGO, IL, USA · Unknown & Unclassified · Latest available filing year: 2017 · Primary form: IRS Form 990

  98. Chicago Cubs Charities

    EIN 363443543 · Headquarters: Chicago, IL, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990

  99. Chicago Curling Club

    EIN 362118623 · Headquarters: Northbrook, IL, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990

  100. Chicago Customs Brokers & Forwarders Association

    EIN 363160353 · Headquarters: CHICAGO, IL, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-EZ

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