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. Innovative Capability Development Inc

    EIN 474055558 · Headquarters: Monee, IL, US · Unknown & Unclassified · Latest available filing year: 2018 · Primary form: IRS Form 990-N

  2. Innovative Disaster Care Nfp

    EIN 473577972 · Headquarters: Chicago, IL, US · Unknown & Unclassified · Latest available filing year: 2016 · Primary form: IRS Form 990-N

  3. Insight Project Inc

    EIN 273059048 · Headquarters: Mackinaw, IL, USA · Unknown & Unclassified · Latest available filing year: 2017 · Primary form: IRS Form 990-EZ

  4. Insmart Civics Association Nfp

    EIN 331901226 · Headquarters: Chicago, IL, US · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-N

  5. Inspire and Dream

    EIN 800459905 · Headquarters: Kankakee, IL, US · Unknown & Unclassified · Latest available filing year: 2011 · Primary form: IRS Form 990-N

  6. Inspire U Community Center

    EIN 934595605 · Headquarters: CHICAGO, IL, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  7. Inspired Learners Academy

    EIN 412511142 · Headquarters: Chicago, IL, USA · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-EZ

  8. Inspired Youth Inc

    EIN 202074075 · Headquarters: Chicago, IL, US · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-N

  9. Institue of Internal Auditors

    EIN 363560785 · Headquarters: Yorkville, IL, US · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-N

  10. Institute 4 Creativity

    EIN 371230489 · Headquarters: Champaign, IL, US · Unknown & Unclassified · Latest available filing year: 2013 · Primary form: IRS Form 990-N

  11. Institute for Christian Apologeties Inc

    EIN 363458441 · Headquarters: Belvidere, IL, US · Unknown & Unclassified · Latest available filing year: 2020 · Primary form: IRS Form 990-N

  12. Institute for Growth & Development

    EIN 472663645 · Headquarters: CHICAGO, IL, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-EZ

  13. Institute for Integrative Cancer Research and Education Inc

    EIN 363252419 · Headquarters: SKOKIE, IL, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-EZ

  14. Institute for New World Archaeology

    EIN 521276327 · Headquarters: Oak Park, IL, US · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-N

  15. Institute for Public Affairs

    EIN 942889692 · Headquarters: Chicago, IL, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990

  16. Institute for Self Esteem Evaluation Inc

    EIN 521871813 · Headquarters: CHICAGO, IL, US · Unknown & Unclassified · Latest available filing year: 2019 · Primary form: IRS Form 990-N

  17. Institute for the Study and Treatment of Endometriosis

    EIN 363618839 · Headquarters: OAK PARK, IL, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-PF

  18. Institute of Environmental Sciences and Technology

    EIN 362434643 · Headquarters: SCHAUMBURG, IL, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990

  19. Institute of Food Technologists

    EIN 362136957 · Headquarters: Chicago, IL, United States · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990

  20. Institute of Industrial and Systems Engineers Inc

    EIN 815181106 · Headquarters: Urbana, IL, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  21. Institute of Industrial Engineers Inc

    EIN 362871664 · Headquarters: Chicago, IL, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  22. Institute of Industrial Engineers Inc

    EIN 366157042 · Headquarters: Niles, IL, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  23. Institute of Internal Auditors

    EIN 237406290 · Headquarters: Peoria, IL, US · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-N

  24. Institute of Internal Auditors

    EIN 237408092 · Headquarters: CHICAGO, IL, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990

  25. Institute of Internal Auditors

    EIN 371088763 · Headquarters: Rochester, IL, US · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-N

  26. Institute of Internal Auditors Northwest Metro Chapter

    EIN 363400526 · Headquarters: Palatine, IL, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-EZ

  27. Institute of Management Accountants Inc

    EIN 237353141 · Headquarters: Aurora, IL, US · Unknown & Unclassified · Latest available filing year: 2023 · Primary form: IRS Form 990-N

  28. Institute of Management Accountants Inc

    EIN 237353151 · Headquarters: Normal, IL, US · Unknown & Unclassified · Latest available filing year: 2020 · Primary form: IRS Form 990-N

  29. Institute of Management Accountants Inc

    EIN 237353162 · Headquarters: Geneseo, IL, US · Unknown & Unclassified · Latest available filing year: 2022 · Primary form: IRS Form 990-N

  30. Institute of Management Accountants Inc

    EIN 237354312 · Headquarters: Villa Park, IL, US · Unknown & Unclassified · Latest available filing year: 2020 · Primary form: IRS Form 990-N

  31. Institute of Management Accountants Inc

    EIN 300738133 · Headquarters: FRANKFORT, IL, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  32. Institute of Management Accountants Inc

    EIN 363482393 · Headquarters: FRANKFORT, IL, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  33. Institute of Medicine of Chicago

    EIN 362217993 · Headquarters: CHICAGO, IL, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990

  34. Institute on Religious Life Inc

    EIN 363797840 · Headquarters: Libertyville, IL, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990

  35. Insurance Tax Conference Inc

    EIN 237446369 · Headquarters: LOMBARD, IL, USA · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990

  36. Int'l Assn of Bridge & Structural and Ornamental Iron Workers Local 46

    EIN 370347329 · Headquarters: SPRINGFIELD, IL, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990

  37. Int'l Assn of Firefighters L-3191 Lk Zurich

    EIN 911929932 · Headquarters: Lake Zurich, IL, USA · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-EZ

  38. Int'l Assoc of Firefighters #49 Bloomington Firefighter Union Local

    EIN 376044752 · Headquarters: BLOOMINGTON, IL, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990

  39. Int'l Assoc of Ironworkers Local #380

    EIN 370607813 · Headquarters: URBANA, IL, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990

  40. Int'l Brotherhood of Electrical Workers Local 21

    EIN 364244842 · Headquarters: Lisle, IL, USA · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990

  41. Int'l Brotherhood of Electrical Workers Local Union 146

    EIN 370447876 · Headquarters: DECATUR, IL, USA · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990

  42. Int'l Brotherhood of Painters & Allied Trades Local 194

    EIN 361264201 · Headquarters: CHICAGO, IL, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990

  43. Int'l Brotherhood of TCWH Local 26

    EIN 376045097 · Headquarters: Champaign, IL, USA · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990

  44. Int'l Brotherhood of Teamsters Local Union No 727

    EIN 360759640 · Headquarters: PARK RIDGE, IL, USA · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990

  45. Int'l Union of Bricklayers & Allied Craftsmen Admin District Council

    EIN 363028328 · Headquarters: ELMHURST, IL, USA · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990

  46. Int'l Union of Operating Engineers Local 399 Educational Training Fund

    EIN 363957585 · Headquarters: CHICAGO, IL, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990

  47. Int'l Union of Painters & Allied Trades Local 33

    EIN 360843840 · Headquarters: JOLIET, IL, USA · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990

  48. Int'l Union of Painters-local 147

    EIN 360843820 · Headquarters: CHICAGO, IL, USA · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990

  49. Integrated Arts & Media International

    EIN 472889385 · Headquarters: EDWARDSVILLE, IL, US · Unknown & Unclassified · Latest available filing year: 2020 · Primary form: IRS Form 990-N

  50. Integrative Health Services Inc

    EIN 452626622 · Headquarters: Springfield, IL, US · Unknown & Unclassified · Latest available filing year: 2012 · Primary form: IRS Form 990-N

  51. Integrity & Fidelity NFP

    EIN 874280749 · Headquarters: Matteson, IL, USA · Unknown & Unclassified · Latest available filing year: 2023 · Primary form: IRS Form 990

  52. Intellectual Property Law Association of Chicago

    EIN 366080486 · Headquarters: CHICAGO, IL, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990

  53. Inter-intra Ummah Llc

    EIN 934412278 · Headquarters: CHICAGO, IL, US · Unknown & Unclassified · Latest available filing year: 2023 · Primary form: IRS Form 990-N

  54. Inter-varsity Christian Fellowship

    EIN 371269047 · Headquarters: Peoria, IL, US · Unknown & Unclassified · Latest available filing year: 2017 · Primary form: IRS Form 990-N

  55. Interamericana Soccer League

    EIN 363808713 · Headquarters: CHICAGO, IL, USA · Unknown & Unclassified · Latest available filing year: 2020 · Primary form: IRS Form 990-EZ

  56. Intercessor Inc

    EIN 320285168 · Headquarters: CHICAGO, IL, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  57. Intercommunity Housing Corporation

    EIN 363711796 · Headquarters: Chicago, IL, US · Unknown & Unclassified · Latest available filing year: 2009 · Primary form: IRS Form 990-N

  58. Interdisciplinary Nineteenth- Century Studies

    EIN 954159946 · Headquarters: Normal, IL, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  59. Interfaith Food Pantry Inc

    EIN 363536903 · Headquarters: Wheaton, IL, USA · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-EZ

  60. Interlocking Shetland Sheepdog Club of Monee Inc

    EIN 363006537 · Headquarters: Joliet, IL, US · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-N

  61. Intermodal Association of Chicago

    EIN 363728105 · Headquarters: NAPERVILLE, IL, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990

  62. Intern Assoc of Fire Fighters 3192

    EIN 363616558 · Headquarters: Carol Stream, IL, USA · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990

  63. Internal Association of Lions Club Minooka Lions Club

    EIN 237256319 · Headquarters: MINOOKA, IL, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-EZ

  64. International Aae Inc

    EIN 363254098 · Headquarters: CHICAGO, IL, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990

  65. International Academy of Aquatic Art

    EIN 393323210 · Headquarters: Prospect Heights, IL, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  66. International Affiliate of the Academy of Nutrition and Dietetics

    EIN 980087204 · Headquarters: Chicago, IL, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  67. International Air Cargo Association of Chicago

    EIN 363442086 · Headquarters: CHICAGO, IL, US · Unknown & Unclassified · Latest available filing year: 2020 · Primary form: IRS Form 990-N

  68. International Alliance Theatrical Stage Employees

    EIN 362088664 · Headquarters: CHICAGO, IL, USA · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990

  69. International Alliance Theatrical Stage Employees & Moving Picture

    EIN 141983280 · Headquarters: GRAYSLAKE, IL, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-EZ

  70. International Alliance Theatrical Stage Employees & Moving Picture

    EIN 237457120 · Headquarters: Murphysboro, IL, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  71. International Alliance Theatrical Stage Employees & Moving Picture

    EIN 366116476 · Headquarters: Rockford, IL, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-EZ

  72. International Alliance Theatrical Stage Employees & Moving Picture

    EIN 376038516 · Headquarters: Peoria, IL, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-EZ

  73. International Alliance Theatrical Stage Employees & Moving Picture

    EIN 378077233 · Headquarters: SPRINGFIELD, IL, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-EZ

  74. International Alliance Theatrical Stage Employees & Moving Picture

    EIN 753062814 · Headquarters: Chicago, IL, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  75. International Alliance Theatrical Stage Employees & Moving Picture M

    EIN 376046739 · Headquarters: URBANA, IL, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  76. International Alliance Theatrical Stage Employees & Moving Pictures

    EIN 366165127 · Headquarters: Joliet, IL, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  77. International Alliance Theatrical Stage Employees and Moving Picture Local 780

    EIN 362028354 · Headquarters: rosemont, IL, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990

  78. International Applications of Vedic

    EIN 461570300 · Headquarters: Bloomington, IL, US · Unknown & Unclassified · Latest available filing year: 2013 · Primary form: IRS Form 990-N

  79. International Assn of Bridge Structural and Ornamental Iron Wor Union No 1

    EIN 361263955 · Headquarters: FOREST PARK, IL, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990

  80. International Assn of Firefighters - L-3075

    EIN 421308570 · Headquarters: Arlington Heights, IL, USA · Unknown & Unclassified · Latest available filing year: 2023 · Primary form: IRS Form 990-EZ

  81. International Assn of Lions Club

    EIN 370720346 · Headquarters: SPARTA, IL, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-EZ

  82. International Assoc of Bridgestructural Ornamental &Reinforcing Iron Workers 498

    EIN 361263956 · Headquarters: ROCKFORD, IL, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990

  83. International Assoc of Ff Local 1255

    EIN 376045311 · Headquarters: ALTON, IL, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-EZ

  84. International Assoc of Fire Fighters Local 581

    EIN 362541120 · Headquarters: MOLINE, IL, USA · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990

  85. International Assoc of Firefighters

    EIN 364004645 · Headquarters: Bedford Park, IL, USA · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-EZ

  86. International Assoc of Firefighters

    EIN 812692416 · Headquarters: NEW LENOX, IL, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-EZ

  87. International Assoc of Firefighters Local 44

    EIN 366155975 · Headquarters: PLAINFIELD, IL, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990

  88. International Assoc of Firefighters Local 711

    EIN 366110272 · Headquarters: Chicago Heights, IL, USA · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-EZ

  89. International Assoc of Heat & Frost Insulators & Asbestos Workers Local #17

    EIN 360750325 · Headquarters: TINLEY PARK, IL, USA · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990

  90. International Assoc of Lions - Wheaton Lions Club

    EIN 237227317 · Headquarters: WHEATON, IL, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-EZ

  91. International Assoc of Lions 249

    EIN 366142211 · Headquarters: LANARK, IL, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-EZ

  92. International Assoc Of Lions Clubs

    EIN 363460983 · Headquarters: Long Grove, IL, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990

  93. International Assoc of Lions Clubs

    EIN 366142236 · Headquarters: SCHILLER PARK, IL, US · Unknown & Unclassified · Latest available filing year: 2021 · Primary form: IRS Form 990-N

  94. International Assoc of Lions Clubs

    EIN 371145266 · Headquarters: Loraine, IL, US · Unknown & Unclassified · Latest available filing year: 2022 · Primary form: IRS Form 990-N

  95. International Assoc of Machinists and Aerospace Workers Local 126

    EIN 360732799 · Headquarters: HINSDALE, IL, USA · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990

  96. International Associaiton of Lions Clubs

    EIN 237056938 · Headquarters: Bartonville, IL, US · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-N

  97. International Association for Healthcare Security & Safety

    EIN 362655046 · Headquarters: SCHAUMBURG, IL, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990

  98. International Association of 1487

    EIN 362105055 · Headquarters: DES PLAINES, IL, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990

  99. International Association of Bridge Iron Workers Local 444

    EIN 361263958 · Headquarters: JOLIET, IL, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990

  100. International Association of Business Communicators

    EIN 034080669 · Headquarters: CHICAGO, IL, USA · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990

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