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. The Inn of Last Resort Inc

    EIN 620863624 · Headquarters: FRANKLIN, NC, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990

  2. The Inner City Family Foundation

    EIN 473513177 · Headquarters: WASHINGTON, DC, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  3. The Innerwork Center Inc

    EIN 621556595 · Headquarters: Richmond, VA, USA · Unknown & Unclassified · Latest available filing year: 2023 · Primary form: IRS Form 990

  4. The Innis Arden Golf Club Inc

    EIN 060400660 · Headquarters: OLD GREENWICH, CT, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990

  5. The Innovation Foundation

    EIN 423061433 · Headquarters: Slippery Rock, PA, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  6. The Insiders

    EIN 930929507 · Headquarters: Keizer, OR, US · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-N

  7. The Inst for Regional Conservation

    EIN 742336458 · Headquarters: Delray Beach, FL, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990

  8. The Institute for Balanced Government

    EIN 260824635 · Headquarters: Naperville, IL, US · Unknown & Unclassified · Latest available filing year: 2011 · Primary form: IRS Form 990-N

  9. The Institute for Basic Change

    EIN 020797904 · Headquarters: Glenview, IL, US · Unknown & Unclassified · Latest available filing year: 2018 · Primary form: IRS Form 990-N

  10. The Institute for Christian Healing

    EIN 231997028 · Headquarters: San Antonio, TX, US · Unknown & Unclassified · Latest available filing year: 2022 · Primary form: IRS Form 990-N

  11. The Institute for Clinical Social Work

    EIN 363157451 · Headquarters: CHICAGO, IL, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990

  12. The Institute for Comprehensive Gender Dysphoria Research

    EIN 852892486 · Headquarters: PROVIDENCE, RI, USA · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-EZ

  13. The Institute for Dance Inc

    EIN 510227086 · Headquarters: Williamsburg, VA, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990

  14. The Institute for Environmental Solutions

    EIN 841153561 · Headquarters: Lakewood, CO, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  15. The Institute for Human Genetics and Biochemistry 12 Rue Du Mont-de

    EIN 980046260 · Headquarters: Geneva, Switzerland, SZ · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990

  16. The Institute for Individual and Group Psychotherapy

    EIN 382161095 · Headquarters: SOUTHFIELD, MI, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-EZ

  17. The Institute for Inspirational Living

    EIN 010909382 · Headquarters: Chicago, IL, US · Unknown & Unclassified · Latest available filing year: 2010 · Primary form: IRS Form 990-N

  18. The Institute for Missions Ministry and Music

    EIN 541679985 · Headquarters: Richmond, VA, US · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-N

  19. The Institute for Musical Arts Inc

    EIN 943054129 · Headquarters: GOSHEN, MA, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990

  20. The Institute for Organizational Wellbeing Inc

    EIN 853524605 · Headquarters: Madison, WI, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  21. The Institute for Responsible Alcohol Policy

    EIN 811176196 · Headquarters: OKLAHOMA CITY, OK, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990

  22. The Institute for Salva and Tantric Studies

    EIN 475302132 · Headquarters: PORTLAND, OR, US · Unknown & Unclassified · Latest available filing year: 2020 · Primary form: IRS Form 990-N

  23. The Institute for Social Entrepreneurism

    EIN 383938162 · Headquarters: WASHINGTON, DC, USA · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-PF

  24. The Institute for Spiritual Research Inc

    EIN 942898927 · Headquarters: Sedona, AZ, USA · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-PF

  25. The Institute for Technology in Health Care

    EIN 521292049 · Headquarters: WASHINGTON, DC, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-PF

  26. The Institute for the Cooperation of Art and Research Inc

    EIN 133747781 · Headquarters: NEW YORK, NY, USA · Unknown & Unclassified · Latest available filing year: 2023 · Primary form: IRS Form 990-PF

  27. The Institute for the Redesign of Learning

    EIN 952904053 · Headquarters: SOUTH PASADENA, CA, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990

  28. The Institute for Underwater Crime Scene Investigation

    EIN 900584636 · Headquarters: LONG BEACH, CA, US · Unknown & Unclassified · Latest available filing year: 2010 · Primary form: IRS Form 990-N

  29. The Institute Golf Club

    EIN 844165400 · Headquarters: MORGAN HILL, CA, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990

  30. The Institute Library

    EIN 060646756 · Headquarters: New Haven, CT, USA · Unknown & Unclassified · Latest available filing year: 2023 · Primary form: IRS Form 990

  31. The Institute of African and Asian Studies Inc

    EIN 043257401 · Headquarters: CAMBRIDGE, MA, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-EZ

  32. The Institute of American Deltiology

    EIN 251724289 · Headquarters: MYERSTOWN, PA, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-PF

  33. The Institute of Andean Research C/o Dr Noa Concoran-tadd

    EIN 136138268 · Headquarters: WASHINGTON, DC, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-PF

  34. The Institute of Applied Philosophy

    EIN 650083278 · Headquarters: ETOWAH, NC, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  35. The Institute of Briquetting and Ag Glomeration

    EIN 921116031 · Headquarters: Anamosa, IA, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  36. The Institute of Classical Architecture & Art - Northern Calif

    EIN 942970938 · Headquarters: SAN FRANCISCO, CA, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990

  37. The Institute of Classical Architecute & Art Texas Chapter

    EIN 260901938 · Headquarters: DALLAS, TX, USA · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990

  38. The Institute of Cultural Affairs

    EIN 237394613 · Headquarters: CHICAGO, IL, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990

  39. The Institute of Financial Operations

    EIN 593217295 · Headquarters: ORLANDO, FL, USA · Unknown & Unclassified · Latest available filing year: 2022 · Primary form: IRS Form 990

  40. The Institute of Historical Survey

    EIN 850304516 · Headquarters: MESILLA PARK, NM, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990

  41. The Institute of Inner Growth C/o Kent Rossman

    EIN 860714121 · Headquarters: SCOTTSDALE, AZ, USA · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-PF

  42. The Institute of Internal Auditors - St Louis Chapter

    EIN 237406292 · Headquarters: ST LOUIS, MO, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-EZ

  43. The Institute of Internal Auditors Inc

    EIN 135532538 · Headquarters: LAKE MARY, FL, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990

  44. The Institute of Navigation

    EIN 536019389 · Headquarters: MANASSAS, VA, USA · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990

  45. The Institute on Religion and Public Life Inc

    EIN 521628303 · Headquarters: NEW YORK, NY, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990

  46. The Institutes Riskstream Collaborative Inc

    EIN 822367323 · Headquarters: MALVERN, PA, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990

  47. The Integrity Project Co

    EIN 881294785 · Headquarters: Scottsdale, AZ, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-EZ

  48. The Intelligent Transportation Society of Florida Inc

    EIN 593328083 · Headquarters: Saint Petersburg, FL, USA · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990

  49. The Inter Bd for Cert of Safety Mgr

    EIN 521061312 · Headquarters: Helena, AL, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990

  50. The Inter-cooperative Council at the University of Michigan

    EIN 381381476 · Headquarters: ANN ARBOR, MI, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990

  51. The Inter-lake Yachtsmen's Fund

    EIN 346559343 · Headquarters: LANCASTER, OH, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990

  52. The Interactive Foundation Inc

    EIN 880823871 · Headquarters: North Richland Hills, TX, US · Unknown & Unclassified · Latest available filing year: 2023 · Primary form: IRS Form 990-N

  53. The Intercessory Health and Healing

    EIN 364797970 · Headquarters: Greer, SC, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  54. The Interchurch Center

    EIN 135657859 · Headquarters: NEW YORK, NY, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990

  55. The Interdisciplinary Council on Developmental and Learning Disorders

    EIN 521724162 · Headquarters: BETHESDA, MD, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990

  56. The Interested Citizens for Voter Registration

    EIN 581857316 · Headquarters: Pine Bluff, AR, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  57. The Interfaith Alliance Foundation of Oklahoma Inc

    EIN 731590615 · Headquarters: OKLAHOMA CITY, OK, US · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-N

  58. The Interfaith Association of Northwest

    EIN 911340220 · Headquarters: EVERETT, WA, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990

  59. The Interfaith Choir

    EIN 222857116 · Headquarters: East Derry, NH, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  60. The Interfaith Council of the Northshire Incorporated

    EIN 030259208 · Headquarters: MANCHESTER CENTER, VT, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990

  61. The International 190Sl Group Inc

    EIN 521569225 · Headquarters: BETHLEHEM, PA, USA · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-EZ

  62. The International Academy of Gnathology

    EIN 237166264 · Headquarters: BELLINGHAM, WA, USA · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990

  63. The International Anglican Fellowship

    EIN 570890899 · Headquarters: Buffalo, NY, USA · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-EZ

  64. The International Anticounterfeiting Coalition Inc

    EIN 942921494 · Headquarters: WASHINGTON, DC, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990

  65. The International Association of Lions Club Rockford 4704

    EIN 386093393 · Headquarters: Rockford, MI, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-EZ

  66. The International Association of Lions Clubs - District 27-E1

    EIN 260093644 · Headquarters: DEER PARK, WI, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-EZ

  67. The International Association of Lions Clubs the Crisfield Lions

    EIN 521250387 · Headquarters: Crisfield, MD, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  68. The International Association of Non-sectarian Tibetan Religious

    EIN 472084036 · Headquarters: San Pablo, CA, US · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-N

  69. The International Association of Oral Oncologyltd

    EIN 452861531 · Headquarters: NEW YORK, NY, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990

  70. The International Association of Special Investigation Unit

    EIN 363946273 · Headquarters: Buffalo Grove, IL, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  71. The International Business Ethics Institute Inc

    EIN 521900623 · Headquarters: Washington, DC, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  72. The International Castor Oil Assoc Inc

    EIN 226064016 · Headquarters: Mohegan Lake, NY, USA · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-EZ

  73. The International Center for Academic Evaluation and Accreditation Inc

    EIN 461213312 · Headquarters: Los Angeles, CA, USA · Unknown & Unclassified · Latest available filing year: 2023 · Primary form: IRS Form 990-PF

  74. The International Center for Compassionate Organizations Llc

    EIN 464682328 · Headquarters: Louisville, KY, USA · Unknown & Unclassified · Latest available filing year: 2023 · Primary form: IRS Form 990-EZ

  75. The International Center Inc

    EIN 351300785 · Headquarters: INDIANAPOLIS, IN, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990

  76. The International Chisholm Trail Association

    EIN 851208816 · Headquarters: Wichita, KS, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  77. The International Committee for Adlerian Summer Schools and Institu

    EIN 371130103 · Headquarters: PLYMOUTH, MN, USA · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990

  78. The International Dark-sky Association Inc

    EIN 742493011 · Headquarters: TUCSON, AZ, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990

  79. The International DOI Foundation Inc

    EIN 522065453 · Headquarters: Richmond Surrey, UK · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990

  80. The International Dyslexia Association Maryland Branch Inc

    EIN 521148900 · Headquarters: Finksburg, MD, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  81. The International Federation of Cervical Pathology and Colposcopy

    EIN 042859705 · Headquarters: BIRMINGHAM, AL, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990

  82. The International Festival of the United States of America

    EIN 863381663 · Headquarters: Houston, TX, USA · Unknown & Unclassified · Latest available filing year: 2023 · Primary form: IRS Form 990-EZ

  83. The International Focusing Institute Inc

    EIN 363425089 · Headquarters: Nyack, NY, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990

  84. The International Forum

    EIN 510174950 · Headquarters: WASHINGTON, DC, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990

  85. The International Foundation

    EIN 131962255 · Headquarters: Fairfield, NJ, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-PF

  86. The International Grenfell Association

    EIN 986000438 · Headquarters: St Johns, NL, CA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-PF

  87. The International Group for Historic Aircraft Recovery

    EIN 510282621 · Headquarters: OXFORD, PA, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990

  88. The International Gynecologic Society

    EIN 300605333 · Headquarters: Rochester, MN, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  89. The International House of Prayer

    EIN 113718452 · Headquarters: Oklahoma City, OK, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-EZ

  90. The International Initiative for Su Stainability Education - Tiise

    EIN 412301509 · Headquarters: FLORISSANT, MO, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  91. The International Institute of Forensic Engineering Sciences Inc

    EIN 650330050 · Headquarters: GEORGETOWN, DE, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  92. The International Institutes for World Peace Studies

    EIN 413504543 · Headquarters: AKRON, OH, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  93. The International Ministries of Last Call

    EIN 454209371 · Headquarters: Foxworth, MS, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  94. The International Osprey Foundation Inc

    EIN 592231347 · Headquarters: Sanibel, FL, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  95. The International School of San Francisco

    EIN 941558658 · Headquarters: SAN FRANCISCO, CA, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990

  96. The International Society for Ecology and Culture

    EIN 943128274 · Headquarters: East Hardwick, VT, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990

  97. The International Society for the Study of Trauma and Dissociation

    EIN 912114906 · Headquarters: Evanston, IL, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  98. The International Society of Automation

    EIN 394257539 · Headquarters: Acworth, GA, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  99. The International Solid Rock Inc

    EIN 222601963 · Headquarters: WEST PALM BEACH, FL, USA · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990

  100. The International Space Hall of Fame Foundation

    EIN 850246343 · Headquarters: ALAMOGORDO, NM, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990

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