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. Iota Phi Lambda Sorority Inc

    EIN 831502891 · Headquarters: Pembroke Pines, FL, US · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-N

  2. Iota Phi Lambda Sorority Inc

    EIN 831636775 · Headquarters: Memphis, TN, US · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-N

  3. Iota Phi Lambda Sorority Inc

    EIN 833554380 · Headquarters: Evans, GA, US · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-N

  4. Iota Phi Lambda Sorority Inc

    EIN 871139668 · Headquarters: PHOENIX, AZ, US · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-N

  5. Iota Phi Lambda Sorority Inc

    EIN 872038872 · Headquarters: Upper Marlboro, MD, US · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-N

  6. Iota Phi Lambda Sorority Inc

    EIN 900977422 · Headquarters: Wylie, TX, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  7. Iota Phi Lambda Sorority Inc

    EIN 920787686 · Headquarters: Chester, VA, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  8. Iota Phi Lambda Sorority Inc - Eta Alpha Chapter

    EIN 993628491 · Headquarters: Saint Louis, MO, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  9. Iota Phi Lambda Sorority Inc - Zeta Upsilon

    EIN 923563220 · Headquarters: Monks Corner, SC, US · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-N

  10. Iota Phi Lambda Sorority Inc - Zeta Xi Chapter

    EIN 883271306 · Headquarters: Dallas, TX, US · Unknown & Unclassified · Latest available filing year: 2021 · Primary form: IRS Form 990-N

  11. Iota Phi Lambda Sorority Inc Delta Rho

    EIN 873363849 · Headquarters: Wetumpka, AL, US · Unknown & Unclassified · Latest available filing year: 2020 · Primary form: IRS Form 990-N

  12. Iota Phi Lambda Sorority Inc Epsilon Epsilon Chapter

    EIN 992540782 · Headquarters: Prairie View, TX, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  13. Iota Phi Lambda Sorority Inc Eta Delta Chapter

    EIN 332808627 · Headquarters: TUCSON, AZ, US · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-N

  14. Iota Phi Lambda Sorority Inc Gamma Mu Chapter Fwr

    EIN 393683020 · Headquarters: Stanton, CA, US · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-N

  15. Iota Phi Lambda Sorority Inc Southern Region

    EIN 831596386 · Headquarters: Snellville, GA, US · Unknown & Unclassified · Latest available filing year: 2019 · Primary form: IRS Form 990-N

  16. Iota Phi Lambda Sorority Inc Zeta Alpha Chapter

    EIN 822540152 · Headquarters: Pompano Beach, FL, US · Unknown & Unclassified · Latest available filing year: 2018 · Primary form: IRS Form 990-N

  17. Iota Phi Lambda Sorority Inc Zeta Omicron Chapter

    EIN 884168376 · Headquarters: TONEY, AL, US · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-N

  18. Iota Phi Lambda Sorority Inc Zeta Phi Chapter

    EIN 993845014 · Headquarters: Houston, TX, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  19. Iota Phi Lambda Sorority Inc-eta Gamma

    EIN 332122075 · Headquarters: Saint Louis, MO, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  20. Iota Phi Lambda Sorority Incorporated

    EIN 990730497 · Headquarters: Quinton, VA, US · Unknown & Unclassified · Latest available filing year: 2023 · Primary form: IRS Form 990-N

  21. Iota Phi Theta Faternity Chi Omega Chapter

    EIN 364672871 · Headquarters: Philadelphia, PA, US · Unknown & Unclassified · Latest available filing year: 2010 · Primary form: IRS Form 990-N

  22. Iota Phi Theta Fraternity Inc

    EIN 223077558 · Headquarters: Baltimore, MD, USA · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990

  23. Iota Phi Theta Fraternity-mu Omega

    EIN 473286585 · Headquarters: Bellevile, IL, US · Unknown & Unclassified · Latest available filing year: 2016 · Primary form: IRS Form 990-N

  24. Iota Pi Chapter of Alpha Chi Omega Fraternity Inc

    EIN 742675279 · Headquarters: INDIANAPOLIS, IN, US · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-N

  25. Iota Psi Chapter of Alpha Chi Omega Fraternity Inc

    EIN 621868619 · Headquarters: INDIANAPOLIS, IN, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990

  26. Iota Psi Lambda Chapter Pf Alpha Phi Alpha Fraternity Incorporated

    EIN 850327985 · Headquarters: Albuquerque, NM, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  27. Iota Psi the National Honor Society in Psychology

    EIN 341847230 · Headquarters: Pepper Pike, OH, US · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-N

  28. Iota Rho Chapter of Alpha Chi Omega Fraternity Inc

    EIN 363895516 · Headquarters: INDIANAPOLIS, IN, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-EZ

  29. Iota Rho Chapter Omega Psi Phi Fraternity Inc

    EIN 994143191 · Headquarters: COPPELL, TX, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  30. Iota Sigma Chapter of Alpha Chi Omega Fraternity

    EIN 752525850 · Headquarters: INDIANAPOLIS, IN, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990

  31. Iota Sigma Chi

    EIN 900897644 · Headquarters: Menomonie, WI, US · Unknown & Unclassified · Latest available filing year: 2014 · Primary form: IRS Form 990-N

  32. Iota Sigma Housing Corporation

    EIN 351898707 · Headquarters: Valparaiso, IN, US · Unknown & Unclassified · Latest available filing year: 2020 · Primary form: IRS Form 990-N

  33. Iota Sigma Pi

    EIN 136196564 · Headquarters: Brentwood, MD, US · Unknown & Unclassified · Latest available filing year: 2019 · Primary form: IRS Form 990-N

  34. Iota Sigma Pi

    EIN 237224328 · Headquarters: Brentwood, MD, US · Unknown & Unclassified · Latest available filing year: 2019 · Primary form: IRS Form 990-N

  35. Iota Sigma Pi

    EIN 310912831 · Headquarters: Brentwood, MD, US · Unknown & Unclassified · Latest available filing year: 2019 · Primary form: IRS Form 990-N

  36. Iota Sigma Pi

    EIN 311198435 · Headquarters: Brentwood, MD, US · Unknown & Unclassified · Latest available filing year: 2019 · Primary form: IRS Form 990-N

  37. Iota Sigma Pi

    EIN 316051112 · Headquarters: Blue Ash, OH, US · Unknown & Unclassified · Latest available filing year: 2019 · Primary form: IRS Form 990-N

  38. Iota Sigma Pi

    EIN 346557368 · Headquarters: Chicago, IL, US · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-N

  39. Iota Sigma Pi

    EIN 356077099 · Headquarters: West Lafayette, IN, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  40. Iota Sigma Pi

    EIN 366099282 · Headquarters: Chicago, IL, US · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-N

  41. Iota Sigma Pi

    EIN 371125508 · Headquarters: Brentwood, MD, US · Unknown & Unclassified · Latest available filing year: 2019 · Primary form: IRS Form 990-N

  42. Iota Sigma Pi

    EIN 412121671 · Headquarters: Ashland, OH, US · Unknown & Unclassified · Latest available filing year: 2019 · Primary form: IRS Form 990-N

  43. Iota Sigma Pi

    EIN 426071360 · Headquarters: Ames, IA, US · Unknown & Unclassified · Latest available filing year: 2019 · Primary form: IRS Form 990-N

  44. Iota Sigma Pi

    EIN 541125878 · Headquarters: Chicago, IL, US · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-N

  45. Iota Sigma Pi

    EIN 746070343 · Headquarters: Austin, TX, US · Unknown & Unclassified · Latest available filing year: 2019 · Primary form: IRS Form 990-N

  46. Iota Sigma Pi

    EIN 746077420 · Headquarters: Chicago, IL, US · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-N

  47. Iota Sigma Pi

    EIN 756035614 · Headquarters: Brentwood, MD, US · Unknown & Unclassified · Latest available filing year: 2019 · Primary form: IRS Form 990-N

  48. Iota Sigma Pi

    EIN 844623162 · Headquarters: Chicago, IL, US · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-N

  49. Iota Sigma Pi

    EIN 900087486 · Headquarters: Sweet Briar, VA, US · Unknown & Unclassified · Latest available filing year: 2019 · Primary form: IRS Form 990-N

  50. Iota Sigma Pi

    EIN 900215689 · Headquarters: Chicago, IL, US · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-N

  51. Iota Sigma Pi

    EIN 900215690 · Headquarters: Brentwood, MD, US · Unknown & Unclassified · Latest available filing year: 2019 · Primary form: IRS Form 990-N

  52. Iota Sigma Pi

    EIN 900285314 · Headquarters: Chicago, IL, US · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-N

  53. Iota Sigma Pi

    EIN 900820732 · Headquarters: Chicago, IL, US · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-N

  54. Iota Sigma Pi

    EIN 912025732 · Headquarters: Brentwood, MD, US · Unknown & Unclassified · Latest available filing year: 2019 · Primary form: IRS Form 990-N

  55. Iota Sigma Pi

    EIN 916051360 · Headquarters: Mount Vernon, WA, US · Unknown & Unclassified · Latest available filing year: 2019 · Primary form: IRS Form 990-N

  56. Iota Sigma Pi

    EIN 946093887 · Headquarters: Chicago, IL, US · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-N

  57. Iota Tau Chapter of Alpha Chi Omega Fraternity

    EIN 931165193 · Headquarters: INDIANAPOLIS, IN, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-EZ

  58. Iota Tau Chapter of Phi Beta Sigma Fraternity Inc

    EIN 934958402 · Headquarters: Kenner, LA, US · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-N

  59. Iota Tau Chapter of Phi Sigma Sigma at Miamiu

    EIN 814231932 · Headquarters: ELDERSBURG, MD, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-EZ

  60. Iota Tau Chi Corporation

    EIN 222527588 · Headquarters: LEWISTON, NY, US · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-N

  61. Iota Tau Kappa Alumni Association Inc

    EIN 465278117 · Headquarters: Marcellus, NY, US · Unknown & Unclassified · Latest available filing year: 2023 · Primary form: IRS Form 990-N

  62. Iota Tau of Pi Kappa Phi Housing Corporation

    EIN 873488894 · Headquarters: Verona, NJ, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  63. Iota Theta Lambda Education Foundation Incorporated

    EIN 222900386 · Headquarters: Endicott, NY, US · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-N

  64. Iota Upsilon Chapter at University of New Hampshire

    EIN 814244544 · Headquarters: ELDERSBURG, MD, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990

  65. Iota Upsilon Chapter of Omega Psi Phi Fraternity

    EIN 300732967 · Headquarters: DIberville, MS, US · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-N

  66. Iota Xi At-large Chapter 228 of Sigma Theta Tau International

    EIN 311242905 · Headquarters: Boca Raton, FL, US · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-N

  67. Iota Xi Chapter of Alpha Chi Omega Fraternity

    EIN 330495128 · Headquarters: INDIANAPOLIS, IN, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-EZ

  68. Iota Zeta Chapter of Theta Chi

    EIN 873021279 · Headquarters: Radford, VA, US · Unknown & Unclassified · Latest available filing year: 2021 · Primary form: IRS Form 990-N

  69. IotaChapterofSigmaLambdaChiInternational

    EIN 270432758 · Headquarters: Auburn, AL, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  70. Ioutreach Incorporated

    EIN 202722972 · Headquarters: Adel, IA, US · Unknown & Unclassified · Latest available filing year: 2022 · Primary form: IRS Form 990-N

  71. Iow Community Food Pantry

    EIN 301465242 · Headquarters: Windsor, VA, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  72. Iowa

    EIN 264183792 · Headquarters: Lake Charles, LA, US · Unknown & Unclassified · Latest available filing year: 2023 · Primary form: IRS Form 990-N

  73. Iowa 4-H Foundation

    EIN 426061606 · Headquarters: AMES, IA, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990

  74. Iowa Abortion Access Fund

    EIN 421122157 · Headquarters: Cedar Rapids, IA, US · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990

  75. Iowa Academy of General Dentistry

    EIN 510196633 · Headquarters: Lincoln, NE, USA · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-EZ

  76. Iowa Academy of Nutrition and Dietetics Inc

    EIN 237074637 · Headquarters: ST JOHNS, MI, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-EZ

  77. Iowa Academy of Ophthalmology Inc

    EIN 421345104 · Headquarters: GRIMES, IA, USA · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-EZ

  78. Iowa Academy of Trial Lawyers

    EIN 426095281 · Headquarters: DES MOINES, IA, USA · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-EZ

  79. Iowa Accordian Club

    EIN 200434969 · Headquarters: Cedar Rapids, IA, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  80. Iowa Advocates for Choice in Education

    EIN 208971204 · Headquarters: Des Moines, IA, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  81. Iowa Agritech Accelerator

    EIN 822819804 · Headquarters: DES MOINES, IA, USA · Unknown & Unclassified · Latest available filing year: 2017 · Primary form: IRS Form 990

  82. Iowa AgState Group

    EIN 311561195 · Headquarters: West Des Moines, IA, US · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-N

  83. Iowa Alliance for Fair Competition

    EIN 421376456 · Headquarters: DES MOINES, IA, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  84. Iowa Altl

    EIN 421164178 · Headquarters: MOVILLE, IA, USA · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990

  85. Iowa Angus Auxiliary

    EIN 421211276 · Headquarters: Plainfield, IA, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  86. Iowa Antique Bottleers Inc

    EIN 811291184 · Headquarters: Des Moines, IA, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  87. Iowa Arabian Horse Association

    EIN 426076822 · Headquarters: MONTICELLO, IA, USA · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-EZ

  88. Iowa Archaeological Society

    EIN 237116029 · Headquarters: Iowa City, IA, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  89. Iowa Architectural Foundation

    EIN 421326492 · Headquarters: Des Moines, IA, USA · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-EZ

  90. Iowa Area Assembly of Alcoholics Anonymous

    EIN 421321869 · Headquarters: MOLINE, IL, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-EZ

  91. Iowa Area Development Group

    EIN 421432150 · Headquarters: Des Moines, IA, US · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990

  92. Iowa Artists

    EIN 237243320 · Headquarters: Cedar Falls, IA, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  93. Iowa Association for Food Protection

    EIN 352430798 · Headquarters: Hopkinton, IA, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  94. Iowa Association for Justice

    EIN 421020618 · Headquarters: WEST DES MOINES, IA, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990

  95. Iowa Association for Lifelong Learning

    EIN 510190302 · Headquarters: Ottumwa, IA, US · Unknown & Unclassified · Latest available filing year: 2021 · Primary form: IRS Form 990-N

  96. Iowa Association for the Education of Young Children Inc

    EIN 421320553 · Headquarters: Urbandale, IA, US · Unknown & Unclassified · Latest available filing year: 2022 · Primary form: IRS Form 990-N

  97. Iowa Association for the Education of Young Children Inc

    EIN 421407915 · Headquarters: Urbandale, IA, US · Unknown & Unclassified · Latest available filing year: 2022 · Primary form: IRS Form 990-N

  98. Iowa Association for the Education of Young Children Inc

    EIN 900452785 · Headquarters: Urbandale, IA, US · Unknown & Unclassified · Latest available filing year: 2022 · Primary form: IRS Form 990-N

  99. Iowa Association of Area Agencies on Aging

    EIN 421321802 · Headquarters: PLEASANTVILLE, IA, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-EZ

  100. Iowa Association of Bldg Officials

    EIN 334634484 · Headquarters: DUBUQUE, IA, USA · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-EZ

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