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. International Housewares Association

    EIN 361239205 · Headquarters: ROSEMONT, IL, USA · Unknown & Unclassified · Latest available filing year: 2023 · Primary form: IRS Form 990

  2. International Housewares Representatives Association

    EIN 363943838 · Headquarters: HIGHLAND PARK, IL, US · Unknown & Unclassified · Latest available filing year: 2019 · Primary form: IRS Form 990-N

  3. International Housing and Economic Development Corporation

    EIN 874522731 · Headquarters: NEW ORLEANS, LA, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990

  4. International Human Learning Resources Network

    EIN 942597498 · Headquarters: Northridge, CA, USA · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-EZ

  5. International Human Powered Vehicle Association

    EIN 953655652 · Headquarters: Seattle, WA, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  6. International Human Rights Protection Service Inc

    EIN 852167620 · Headquarters: Naples, FL, US · Unknown & Unclassified · Latest available filing year: 2021 · Primary form: IRS Form 990-N

  7. International Humanities Inc

    EIN 526039145 · Headquarters: SEVERNA PARK, MD, USA · Unknown & Unclassified · Latest available filing year: 2020 · Primary form: IRS Form 990-PF

  8. International Hunter Education Association-USA

    EIN 371145157 · Headquarters: LOLO, MT, USA · Unknown & Unclassified · Latest available filing year: 2023 · Primary form: IRS Form 990

  9. International Hydrofoil Society Inc

    EIN 112568161 · Headquarters: Locust Grove, VA, US · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-N

  10. International Hydrolyzed Protein Council

    EIN 521091972 · Headquarters: WASHINGTON, DC, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-EZ

  11. International Iaff - Professional Fire Fighters of Miramar Local 2820 Inc

    EIN 521235564 · Headquarters: MIRAMAR, FL, USA · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990

  12. International IATSE LOCAL # 490

    EIN 411774638 · Headquarters: MINNEAPOLIS, MN, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-EZ

  13. International Information System Security Certification Consortium Inc

    EIN 043064434 · Headquarters: ALEXANDRIA, VA, USA · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990

  14. International Inspection Cleaning

    EIN 461318927 · Headquarters: LAS VEGAS, NV, USA · Unknown & Unclassified · Latest available filing year: 2014 · Primary form: IRS Form 990

  15. International Institute for Applied Systems Analysis

    EIN 980036445 · Headquarters: LAXENBURG A, AU · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990

  16. International Institute for Conflict Prevention & Resolution Inc

    EIN 132885302 · Headquarters: NEW YORK, NY, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990

  17. International Institute for Energy Conservation

    EIN 222579031 · Headquarters: BREINIGSVILLE, PA, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990

  18. International Institute for Environment and Development

    EIN 980099973 · Headquarters: LONDON, UK · Unknown & Unclassified · Latest available filing year: 2023 · Primary form: IRS Form 990

  19. International Institute for Information Security and Ai

    EIN 372158354 · Headquarters: Washington, DC, US · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-N

  20. International Institute for Knowledge and Innovation

    EIN 473876688 · Headquarters: Reston, VA, US · Unknown & Unclassified · Latest available filing year: 2015 · Primary form: IRS Form 990-N

  21. International Institute for Literacy Inc

    EIN 752287093 · Headquarters: Corsicana, TX, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  22. International Institute for Mesopotamian Area Studies

    EIN 953217524 · Headquarters: Newbury Park, CA, USA · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-EZ

  23. International Institute for Restora Tive Reproductive Medicine

    EIN 422806427 · Headquarters: Kalispell, MT, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  24. International Institute for Secular Humanistic Judaism

    EIN 382640824 · Headquarters: DEERFIELD, IL, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990

  25. International Institute of Ammonia Refrigeration

    EIN 237245140 · Headquarters: ALEXANDRIA, VA, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990

  26. International Institute of Building Enclosure Consultants Inc

    EIN 825118703 · Headquarters: Palo Alto, CA, USA · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-EZ

  27. International Institute of Building Enclosure Consultants Inc

    EIN 843758100 · Headquarters: Peoria, AZ, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  28. International Institute of Business Analysis Hartord Ct Chapter

    EIN 204639151 · Headquarters: West Hartford, CT, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  29. International Institute of Greater Toledo Inc

    EIN 344431870 · Headquarters: TOLEDO, OH, USA · Unknown & Unclassified · Latest available filing year: 2020 · Primary form: IRS Form 990

  30. International Institute of Gurmat Studies Inc

    EIN 330200044 · Headquarters: Chino Hills, CA, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990

  31. International Institute of Jewish Resilience

    EIN 471621391 · Headquarters: Washington, DC, US · Unknown & Unclassified · Latest available filing year: 2018 · Primary form: IRS Form 990-N

  32. International Institute of Medicine and Science Inc

    EIN 263988448 · Headquarters: Rancho Mirage, CA, US · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-N

  33. International Institute of Minerals Appraisers

    EIN 841211982 · Headquarters: Boulder, CO, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  34. International Institute of Municipal Clerks

    EIN 362512408 · Headquarters: RANCHO CUCAMONGA, CA, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990

  35. International Institute of Northwest Indiana Inc

    EIN 350868117 · Headquarters: GARY, IN, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-EZ

  36. International Institute of Tamil Culture & Civiliz

    EIN 412144265 · Headquarters: Cincinnati, OH, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  37. International Integrity Association

    EIN 832663150 · Headquarters: CLIFTON, NJ, USA · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990

  38. International Intellectual Exchange Initiative Inc

    EIN 813190724 · Headquarters: Alexandria, VA, US · Unknown & Unclassified · Latest available filing year: 2017 · Primary form: IRS Form 990-N

  39. International Interior Design Assn

    EIN 431657122 · Headquarters: CHICAGO, IL, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990

  40. International Intradiscal Therapy Society

    EIN 391569393 · Headquarters: Phoenix, AZ, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  41. International Iridology Practitioners Association

    EIN 911539551 · Headquarters: Birmingham, AL, USA · Unknown & Unclassified · Latest available filing year: 2023 · Primary form: IRS Form 990-EZ

  42. International Isocyanate Institute Inc

    EIN 132734693 · Headquarters: CLIFTON, NJ, USA · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990

  43. International Isotope Society Inc

    EIN 222845329 · Headquarters: HOLLISTON, MA, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-EZ

  44. International Israel Alliance

    EIN 843583208 · Headquarters: GLENVIEW, IL, US · Unknown & Unclassified · Latest available filing year: 2019 · Primary form: IRS Form 990-N

  45. International Jailand Prison Ministries for the Hurting Mothers

    EIN 593453807 · Headquarters: Orlando, FL, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  46. International Jesus Cares Ministries Inc

    EIN 475245112 · Headquarters: ABILENE, TX, US · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-N

  47. International Jewish Sports Foundation Inc

    EIN 852957430 · Headquarters: Potomac, MD, US · Unknown & Unclassified · Latest available filing year: 2022 · Primary form: IRS Form 990-N

  48. International Joint Conferences on Ai C/o Usc Information Science Institute

    EIN 942463034 · Headquarters: MARINA DEL REY, CA, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990

  49. International Journal of Academic

    EIN 393069029 · Headquarters: Marshall, MN, USA · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-EZ

  50. International Journal of Government Auditing Inc

    EIN 521176092 · Headquarters: WASHINGTON, DC, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990

  51. International Journal of Leprosy of the International Leprosy Assoc Inc

    EIN 520888950 · Headquarters: GREENVILLE, SC, US · Unknown & Unclassified · Latest available filing year: 2022 · Primary form: IRS Form 990-N

  52. International Jugglers Association Inc

    EIN 161111652 · Headquarters: Kissimmee, FL, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990

  53. International Justice Mission-longhorn Chapter

    EIN 465753899 · Headquarters: Austin, TX, US · Unknown & Unclassified · Latest available filing year: 2016 · Primary form: IRS Form 990-N

  54. International Karate Do Academy

    EIN 274238334 · Headquarters: MIAMI BEACH, FL, US · Unknown & Unclassified · Latest available filing year: 2018 · Primary form: IRS Form 990-N

  55. International Karate League of Hawaii Inc

    EIN 990307554 · Headquarters: Honolulu, HI, US · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-N

  56. International Keiko Abe Marimba Competition Foundation

    EIN 392362060 · Headquarters: Fremont, CA, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  57. International Keyboard Collaborative Arts Society

    EIN 852939548 · Headquarters: DENTON, TX, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  58. International Kiko Goat Association Inc

    EIN 200880740 · Headquarters: Anderson, SC, US · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-N

  59. International Kingdom Purposes Dba Kingdom Purposes International

    EIN 813161771 · Headquarters: MCKINNEY, TX, USA · Unknown & Unclassified · Latest available filing year: 2017 · Primary form: IRS Form 990-PF

  60. International Kinome Society

    EIN 413080226 · Headquarters: Toledo, OH, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  61. International Kitchen Exhaust Cleaning Association

    EIN 521739041 · Headquarters: Forest Hill, MD, USA · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990

  62. International Knowledge Management Professional Society

    EIN 451625661 · Headquarters: Virginia Beach, VA, US · Unknown & Unclassified · Latest available filing year: 2010 · Primary form: IRS Form 990-N

  63. International Kungfu Taiji Association Inc

    EIN 263907277 · Headquarters: FLUSHING, NY, USA · Unknown & Unclassified · Latest available filing year: 2019 · Primary form: IRS Form 990-EZ

  64. International Labor Communications Association

    EIN 530232074 · Headquarters: WASHINGTON, DC, USA · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-EZ

  65. International Laborers Union of North America - Local 175 Afl-cio

    EIN 041691878 · Headquarters: METHUEN, MA, USA · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990

  66. International Ladies' Garment Workers Union

    EIN 131502147 · Headquarters: PHILADELPHIA, PA, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  67. International Lama Registry Inc

    EIN 363608627 · Headquarters: KALISPELL, MT, USA · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990

  68. International Language Institute of Massachusetts Inc

    EIN 222553803 · Headquarters: NORTHAMPTON, MA, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990

  69. International Laser Class Association North American Region Inc

    EIN 351768605 · Headquarters: PASADENA, MD, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-EZ

  70. International Latino Cultural Center of Chicago

    EIN 363580462 · Headquarters: CHICAGO, IL, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990

  71. International Law Society Ils

    EIN 611749232 · Headquarters: Louisville, KY, US · Unknown & Unclassified · Latest available filing year: 2015 · Primary form: IRS Form 990-N

  72. International Leadership Group

    EIN 330216042 · Headquarters: San Diego, CA, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  73. International Leadership Investment Fund

    EIN 271888265 · Headquarters: San Francisco, CA, US · Unknown & Unclassified · Latest available filing year: 2011 · Primary form: IRS Form 990-N

  74. International Leadership Network

    EIN 431553840 · Headquarters: SAINT LOUIS, MO, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  75. International Leadership Training Institute

    EIN 611422578 · Headquarters: Margate, FL, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  76. International League of Electrical Assns

    EIN 136162993 · Headquarters: Churchville, NY, US · Unknown & Unclassified · Latest available filing year: 2011 · Primary form: IRS Form 990-N

  77. International League of Henry County Inc

    EIN 262292076 · Headquarters: New Castle, IN, US · Unknown & Unclassified · Latest available filing year: 2014 · Primary form: IRS Form 990-N

  78. International Learning and Research Inc

    EIN 510138352 · Headquarters: Cedar City, UT, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  79. International Life Worship

    EIN 471775433 · Headquarters: Caledonia, MI, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  80. International Lifeliners Association

    EIN 930579299 · Headquarters: Gresham, OR, US · Unknown & Unclassified · Latest available filing year: 2020 · Primary form: IRS Form 990-N

  81. International Light Extreme Sports Federation

    EIN 412610439 · Headquarters: Walnut, CA, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  82. International Light Tackle Tournament Association

    EIN 520794256 · Headquarters: BRANDON, FL, US · Unknown & Unclassified · Latest available filing year: 2023 · Primary form: IRS Form 990-N

  83. International Lightning Class Assoc

    EIN 381230427 · Headquarters: Tarpon Springs, FL, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-EZ

  84. International Lilac Society Inc

    EIN 237149267 · Headquarters: Salisbury, NH, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  85. International Linear Algebra Society Inc

    EIN 592938018 · Headquarters: Fort Lauderdale, FL, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  86. International Linguistic Association

    EIN 131959701 · Headquarters: W HEMPSTEAD, NY, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  87. International Lions Club Lansing Ia

    EIN 510151861 · Headquarters: Lansing, IA, USA · Unknown & Unclassified · Latest available filing year: 2013 · Primary form: IRS Form 990-EZ

  88. International Lions Club of La Grande

    EIN 237229830 · Headquarters: LA GRANDE, OR, US · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-N

  89. International Lions Clubs of Iowa Multiple District 9

    EIN 421012259 · Headquarters: MONTICELLO, IA, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990

  90. International Liquid Crystal Society

    EIN 341391555 · Headquarters: Kent, OH, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  91. International Liquid Terminals Association

    EIN 521038765 · Headquarters: WASHINGTON, DC, USA · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990

  92. International Literature Ministry Inc

    EIN 930907744 · Headquarters: ROSEBURG, OR, USA · Unknown & Unclassified · Latest available filing year: 2021 · Primary form: IRS Form 990-PF

  93. International Live Events Association Austin Chapter

    EIN 742996525 · Headquarters: Chicago, IL, USA · Unknown & Unclassified · Latest available filing year: 2020 · Primary form: IRS Form 990-EZ

  94. International Live Events Association Greater Philadelphia Chapter

    EIN 232523096 · Headquarters: Chicago, IL, USA · Unknown & Unclassified · Latest available filing year: 2019 · Primary form: IRS Form 990-EZ

  95. International Live Events Association Inc

    EIN 043182445 · Headquarters: BOSTON, MA, US · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-N

  96. International Live Events Association Inc

    EIN 133520192 · Headquarters: Brooklyn, NY, US · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-N

  97. International Live Events Association Inc

    EIN 261828123 · Headquarters: Cleveland, OH, US · Unknown & Unclassified · Latest available filing year: 2020 · Primary form: IRS Form 990-N

  98. International Live Events Association Inc

    EIN 262010162 · Headquarters: Newport, RI, US · Unknown & Unclassified · Latest available filing year: 2019 · Primary form: IRS Form 990-N

  99. International Live Events Association Inc

    EIN 311349899 · Headquarters: Columbus, OH, US · Unknown & Unclassified · Latest available filing year: 2022 · Primary form: IRS Form 990-N

  100. International Live Events Association Inc

    EIN 311554867 · Headquarters: Cincinnati, OH, US · Unknown & Unclassified · Latest available filing year: 2020 · Primary form: IRS Form 990-N

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