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 Omega Fraternity

    EIN 756037508 · Headquarters: CANYON, TX, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-EZ

  2. Chi Omega Fraternity

    EIN 756054895 · Headquarters: Fort Worth, TX, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  3. Chi Omega Fraternity

    EIN 760598924 · Headquarters: Sugar Land, TX, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  4. Chi Omega Fraternity

    EIN 760673524 · Headquarters: Houston, TX, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  5. Chi Omega Fraternity

    EIN 800624050 · Headquarters: Ashburn, VA, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  6. Chi Omega Fraternity

    EIN 810755227 · Headquarters: Las Vegas, NV, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  7. Chi Omega Fraternity

    EIN 813281029 · Headquarters: Mount Pleasant, SC, US · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-N

  8. Chi Omega Fraternity

    EIN 834587301 · Headquarters: Jackson, MS, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  9. Chi Omega Fraternity

    EIN 841440753 · Headquarters: COLORADO SPRINGS, CO, US · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-N

  10. Chi Omega Fraternity

    EIN 874391003 · Headquarters: Mandeville, LA, US · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-N

  11. Chi Omega Fraternity

    EIN 900606661 · Headquarters: Fort Lauderdale, FL, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  12. Chi Omega Fraternity

    EIN 912070211 · Headquarters: Arlington, WA, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  13. Chi Omega Fraternity

    EIN 931088002 · Headquarters: Hillsborough, CA, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  14. Chi Omega Fraternity

    EIN 942974500 · Headquarters: Scottsdale, AZ, US · Unknown & Unclassified · Latest available filing year: 2019 · Primary form: IRS Form 990-N

  15. Chi Omega Fraternity - Eta Gamma Chapter University of South Carolina

    EIN 570742538 · Headquarters: COLUMBIA, SC, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990

  16. Chi Omega Fraternity - Eta Kappa Chapter

    EIN 310957564 · Headquarters: Rolla, MO, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990

  17. Chi Omega Fraternity - Iota Lambda

    EIN 232660844 · Headquarters: VILLANOVA, PA, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990

  18. Chi Omega Fraternity - Kappa Alpha Chapt C/o Treasurer

    EIN 480167210 · Headquarters: MANHATTAN, KS, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-EZ

  19. Chi Omega Fraternity - Kappa Beta

    EIN 626042699 · Headquarters: MEMPHIS, TN, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-EZ

  20. Chi Omega Fraternity - Mu Kappa Chapter

    EIN 566194343 · Headquarters: MEMPHIS, TN, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-EZ

  21. Chi Omega Fraternity - Omicron Zeta Chapter

    EIN 716057134 · Headquarters: State University, AR, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-EZ

  22. Chi Omega Fraternity - Pi Chapter

    EIN 626047975 · Headquarters: KNOXVILLE, TN, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990

  23. Chi Omega Fraternity - Psi Kappa Chapter

    EIN 237144140 · Headquarters: CLEMSON, SC, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990

  24. Chi Omega Fraternity - Psi Mu Chapter

    EIN 593492144 · Headquarters: Orlando, FL, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990

  25. Chi Omega Fraternity - Sigma Alpha Chapter

    EIN 316050240 · Headquarters: OXFORD, OH, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990

  26. Chi Omega Fraternity - Sigma Beta

    EIN 810119510 · Headquarters: BOZEMAN, MT, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-EZ

  27. Chi Omega Fraternity - Tau Kappa

    EIN 630834469 · Headquarters: MONTEVALLO, AL, US · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-N

  28. Chi Omega Fraternity - Washington University

    EIN 562400956 · Headquarters: ST LOUIS, MO, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-EZ

  29. Chi Omega Fraternity Alpha Beta Chapter

    EIN 636050289 · Headquarters: AUBURN, AL, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990

  30. Chi Omega Fraternity Alpha Chapter

    EIN 261508120 · Headquarters: SEATTLE, WA, USA · Unknown & Unclassified · Latest available filing year: 2023 · Primary form: IRS Form 990-EZ

  31. Chi Omega Fraternity Alumnae Houston Texas Alumnae

    EIN 237108908 · Headquarters: HOUSTON, TX, US · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-N

  32. Chi Omega Fraternity Baylor University

    EIN 741930998 · Headquarters: WACO, TX, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990

  33. Chi Omega Fraternity Chi Beta Chape

    EIN 350224635 · Headquarters: LAFAYETTE, IN, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-EZ

  34. Chi Omega Fraternity Chi Mu Chapter

    EIN 233038344 · Headquarters: LEWISBURG, PA, USA · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-EZ

  35. Chi Omega Fraternity Chi Theta Chapter

    EIN 616037012 · Headquarters: BOWLING GREEN, KY, USA · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990

  36. CHI OMEGA FRATERNITY Dba Nu Alpha Chapter of Chi Omega

    EIN 770280617 · Headquarters: Palo Alto, CA, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-EZ

  37. Chi Omega Fraternity Delta Kappa Chapter

    EIN 311046125 · Headquarters: CHARLOTTE, NC, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990

  38. Chi Omega Fraternity Epsilon Delta Chapter

    EIN 646025044 · Headquarters: HATTIESBURG, MS, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-EZ

  39. Chi Omega Fraternity Epsilon Mu Chapter

    EIN 814308762 · Headquarters: Norton, MA, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-EZ

  40. Chi Omega Fraternity Eta Alpha Chapter

    EIN 930139160 · Headquarters: CORVALLIS, OR, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-EZ

  41. Chi Omega Fraternity Eta Beta Chapter

    EIN 420685036 · Headquarters: AMES, IA, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-EZ

  42. Chi Omega Fraternity Hot Springs

    EIN 451609186 · Headquarters: HOT SPRINGS NATIONAL P, AR, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  43. Chi Omega Fraternity Inc

    EIN 592101970 · Headquarters: TALLAHASSEE, FL, USA · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990

  44. Chi Omega Fraternity Inc Lambda Ch

    EIN 230167220 · Headquarters: LAWRENCE, KS, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990

  45. Chi Omega Fraternity Iota Alpha Chapter

    EIN 751025503 · Headquarters: DALLAS, TX, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990

  46. Chi Omega Fraternity Iota Chapter

    EIN 746084213 · Headquarters: AUSTIN, TX, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990

  47. Chi Omega Fraternity Iota Kappa Chapter

    EIN 630714274 · Headquarters: TROY, AL, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-EZ

  48. Chi Omega Fraternity Lambda Alpha Chapter

    EIN 610446350 · Headquarters: LEXINGTON, KY, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990

  49. Chi Omega Fraternity Mu Alpha Chapt

    EIN 020169295 · Headquarters: DURHAM, NH, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-EZ

  50. Chi Omega Fraternity Mu Beta Chapter

    EIN 580574873 · Headquarters: ATHENS, GA, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990

  51. Chi Omega Fraternity Mu Chapter

    EIN 946173394 · Headquarters: BERKELEY, CA, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990

  52. Chi Omega Fraternity Nu Beta Chapter

    EIN 636050290 · Headquarters: TUSCALOOSA, AL, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990

  53. Chi Omega Fraternity Nu Chapter

    EIN 390206270 · Headquarters: MADISON, WI, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990

  54. Chi Omega Fraternity of Washington Inc

    EIN 910174000 · Headquarters: Seattle, WA, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990

  55. Chi Omega Fraternity Phi Delta Chapter

    EIN 640392826 · Headquarters: TUSCALOOSA, AL, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990

  56. Chi Omega Fraternity Phi Epsilon

    EIN 356043044 · Headquarters: MUNCIE, IN, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-EZ

  57. Chi Omega Fraternity Phi Lambda

    EIN 232447045 · Headquarters: LANCASTER, PA, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-EZ

  58. Chi Omega Fraternity Phi Theta Chapter

    EIN 731280595 · Headquarters: Ada, OK, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-EZ

  59. Chi Omega Fraternity Pi Alpha Chapter

    EIN 316079821 · Headquarters: CINCINNATI, OH, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990

  60. Chi Omega Fraternity Pi Gamma Chapter

    EIN 850103004 · Headquarters: ALBUQUERQUE, NM, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-EZ

  61. Chi Omega Fraternity Pi Zeta Chapter

    EIN 386143448 · Headquarters: SCHOOLCRAFT, MI, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990

  62. Chi Omega Fraternity Psi Beta Chapter

    EIN 420179210 · Headquarters: IOWA CITY, IA, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-EZ

  63. Chi Omega Fraternity Rho Alpha Chpt

    EIN 430214640 · Headquarters: COLUMBIA, MO, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990

  64. Chi Omega Fraternity Rho Epsilon Chapter

    EIN 756036507 · Headquarters: Fort Worth, TX, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990

  65. Chi Omega Fraternity Rho Gamma Chapter

    EIN 381368510 · Headquarters: HILLSDALE, MI, US · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-N

  66. Chi Omega Fraternity Rho Mu Chapter

    EIN 205680080 · Headquarters: CHICAGO, IL, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-EZ

  67. Chi Omega Fraternity Sigma Epsilon Chapter

    EIN 626074044 · Headquarters: NASHVILLE, TN, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990

  68. Chi Omega Fraternity Sigma Lambda Chapter of Vpi & Su

    EIN 541435037 · Headquarters: BLACKSBURG, VA, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990

  69. Chi Omega Fraternity Tau Alpha Chapter

    EIN 316050492 · Headquarters: ANTHENS, OH, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-EZ

  70. Chi Omega Fraternity Theta Beta Chapter

    EIN 350867774 · Headquarters: Bloomington, IN, USA · Unknown & Unclassified · Latest available filing year: 2022 · Primary form: IRS Form 990

  71. Chi Omega Fraternity Theta Chapter

    EIN 556030093 · Headquarters: MORGANTOWN, WV, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-EZ

  72. Chi Omega Fraternity Theta Zeta House Corporation

    EIN 856009877 · Headquarters: Portales, NM, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  73. Chi Omega Fraternity Xi Chapter

    EIN 366164949 · Headquarters: EVANSTON, IL, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-EZ

  74. Chi Omega Fraternity Xi Delta Chapter

    EIN 346583510 · Headquarters: TOLEDO, OH, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-EZ

  75. Chi Omega Fraternity Xi Gamma Chapt

    EIN 510165061 · Headquarters: EAST LANSING, MI, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990

  76. Chi Omega Fraternity XI Gamma House Corp

    EIN 380417285 · Headquarters: East Grand Rapids, MI, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990

  77. Chi Omega Fraternity Xi Kappa

    EIN 510165062 · Headquarters: COLLEGE STATION, TX, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990

  78. Chi Omega Fraternity Xi Zeta Chapter

    EIN 626073908 · Headquarters: MARTIN, TN, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990

  79. Chi Omega Fraternity Zeta Alpha

    EIN 510165121 · Headquarters: COLUMBUS, OH, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990

  80. Chi Omega Fraternity Zeta Beta Chapter

    EIN 866053126 · Headquarters: TUCSON, AZ, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990

  81. Chi Omega Fraternity Zeta Chapter

    EIN 840166560 · Headquarters: BOULDER, CO, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990

  82. Chi Omega Fraternity Zeta Kappa Chapter

    EIN 310999765 · Headquarters: GREENSBORO, NC, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-EZ

  83. Chi Omega Fraternity-Phi Gamma

    EIN 726034029 · Headquarters: Baton Rouge, LA, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990

  84. Chi Omega Fraternityalpha Kappa Chapter

    EIN 311092644 · Headquarters: RALEIGH, NC, USA · Unknown & Unclassified · Latest available filing year: 2023 · Primary form: IRS Form 990

  85. Chi Omega Fraternitychi Epsilon

    EIN 356021380 · Headquarters: EVANSVILLE, IN, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-EZ

  86. Chi Omega Gamma Beta Chapter

    EIN 956192450 · Headquarters: LOS ANGELES, CA, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990

  87. Chi Omega Holding Association Inc

    EIN 237032835 · Headquarters: MANHATTAN, KS, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990

  88. Chi Omega House Association - Zeta

    EIN 846041719 · Headquarters: BOULDER, CO, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990

  89. Chi Omega House Corporation

    EIN 314146850 · Headquarters: ATHENS, OH, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990

  90. Chi Omega House Corporation

    EIN 621243814 · Headquarters: Franklin, TN, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-EZ

  91. Chi Omega House Corporation

    EIN 836004333 · Headquarters: LARAMIE, WY, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990

  92. Chi Omega House Corporation

    EIN 860096820 · Headquarters: TUCSON, AZ, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990

  93. Chi Omega House Corporation C/o Grossman St Amour Cpas

    EIN 161283381 · Headquarters: SYRACUSE, NY, USA · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-EZ

  94. Chi Omega House Corporation for Lambda Delta Chapter

    EIN 340764758 · Headquarters: KENT, OH, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990

  95. Chi Omega House Corporation Mu Beta Chapter

    EIN 510234811 · Headquarters: ATHENS, GA, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990

  96. Chi Omega Housing Corp

    EIN 237397902 · Headquarters: SCHOOLCRAFT, MI, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990

  97. Chi Omega Housing Corporation

    EIN 596135388 · Headquarters: TUSCALOOSA, AL, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990

  98. Chi Omega Incorporated Iota Beta Chapter

    EIN 046065156 · Headquarters: Amherst, MA, US · Unknown & Unclassified · Latest available filing year: 2019 · Primary form: IRS Form 990-N

  99. Chi Omega Kaleidoscope

    EIN 760065611 · Headquarters: Houston, TX, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-EZ

  100. Chi Omega of Southwestern Indiana Inc

    EIN 237081343 · Headquarters: EVANSVILLE, IN, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-EZ

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