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. Omalley Foundation

    EIN 952484314 · Headquarters: TORRANCE, CA, USA · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-PF

  2. Omar Shriners

    EIN 570111960 · Headquarters: Mount Pleasant, SC, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990

  3. OMB BOB Alumni Association

    EIN 208384177 · Headquarters: Arlington, VA, USA · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-EZ

  4. Ombience Inc

    EIN 264300641 · Headquarters: PACIFIC PALISADES, CA, US · Unknown & Unclassified · Latest available filing year: 2016 · Primary form: IRS Form 990-N

  5. Omea District 12

    EIN 464847603 · Headquarters: Springfield, OR, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  6. Omea District 15

    EIN 464605392 · Headquarters: Beaverton, OR, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  7. Omea District 8

    EIN 472728262 · Headquarters: Grants Pass, OR, US · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-N

  8. Omeg Vision for Humanity Inc

    EIN 334202399 · Headquarters: Jenks, OK, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  9. Omega Alumni of Phi Sigma Kappa

    EIN 943163661 · Headquarters: OAKLAND, CA, USA · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990

  10. Omega Bible Institute & Seminary

    EIN 721298218 · Headquarters: MONROE, LA, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-EZ

  11. Omega Building Company

    EIN 742607087 · Headquarters: Austin, TX, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990

  12. Omega Center

    EIN 330163066 · Headquarters: RIALTO, CA, USA · Unknown & Unclassified · Latest available filing year: 2020 · Primary form: IRS Form 990-PF

  13. Omega Chapter of Alpha Chi Omega Fraternity Inc

    EIN 910123752 · Headquarters: INDIANAPOLIS, IN, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990

  14. Omega Chapter of Alpha Gamma Delta Fraternity

    EIN 346557909 · Headquarters: AKRON, OH, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-EZ

  15. Omega Chapter of Alpha Omega Epsilon

    EIN 800547961 · Headquarters: Brookings, SD, US · Unknown & Unclassified · Latest available filing year: 2023 · Primary form: IRS Form 990-N

  16. Omega Chapter of Theta Chi Fraternity

    EIN 392584775 · Headquarters: State College, PA, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  17. Omega Chapter Sigma Delta Tau

    EIN 161241677 · Headquarters: SYRACUSE, NY, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990

  18. Omega Chi Beta Christian Sorority Inc

    EIN 874046915 · Headquarters: Tuscaloosa, AL, US · Unknown & Unclassified · Latest available filing year: 2021 · Primary form: IRS Form 990-N

  19. Omega Chi Dke Alumni Association

    EIN 464845045 · Headquarters: HOUSTON, TX, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  20. Omega Chi Epsilon Chemical Engineer Honor Society

    EIN 742037830 · Headquarters: Potsdam, NY, US · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-N

  21. Omega Chi Epsilon Chemical Engineering Honor Society

    EIN 237185330 · Headquarters: Toledo, OH, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  22. Omega Christian Communications

    EIN 463996341 · Headquarters: San Antonio, TX, US · Unknown & Unclassified · Latest available filing year: 2021 · Primary form: IRS Form 990-N

  23. Omega Community Outreach Inc

    EIN 464727819 · Headquarters: Mobile, AL, US · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-N

  24. Omega Council 249 Allied Masonic Degrees

    EIN 262460728 · Headquarters: COOS BAY, OR, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  25. Omega Delta Corporation

    EIN 426076461 · Headquarters: WAUKEE, IA, USA · Unknown & Unclassified · Latest available filing year: 2023 · Primary form: IRS Form 990

  26. Omega Delta Phi at Northeastern Illinois University

    EIN 822243680 · Headquarters: Dallas, TX, US · Unknown & Unclassified · Latest available filing year: 2018 · Primary form: IRS Form 990-N

  27. Omega Delta Phi at Northwestern University

    EIN 822243705 · Headquarters: Dallas, TX, US · Unknown & Unclassified · Latest available filing year: 2018 · Primary form: IRS Form 990-N

  28. Omega Delta Phi at Southern Illinois University

    EIN 822243745 · Headquarters: Dallas, TX, US · Unknown & Unclassified · Latest available filing year: 2017 · Primary form: IRS Form 990-N

  29. Omega Delta Phi at the University of Illinois at Chicago

    EIN 822243785 · Headquarters: Dallas, TX, US · Unknown & Unclassified · Latest available filing year: 2017 · Primary form: IRS Form 990-N

  30. Omega Delta Phi at Univeristy of Illinois Urbana-champaign

    EIN 822243765 · Headquarters: Dallas, TX, US · Unknown & Unclassified · Latest available filing year: 2018 · Primary form: IRS Form 990-N

  31. Omega Delta Phi Fraternity Midwest Region Inc

    EIN 822243336 · Headquarters: Dallas, TX, US · Unknown & Unclassified · Latest available filing year: 2017 · Primary form: IRS Form 990-N

  32. Omega Delta Phi National Alumni Association

    EIN 371832585 · Headquarters: Dallas, TX, US · Unknown & Unclassified · Latest available filing year: 2018 · Primary form: IRS Form 990-N

  33. Omega Delta Phi-sam Houston State University

    EIN 264497097 · Headquarters: Huntsville, TX, US · Unknown & Unclassified · Latest available filing year: 2011 · Primary form: IRS Form 990-N

  34. Omega Ensemble Inc

    EIN 132998287 · Headquarters: NEW YORK, NY, USA · Unknown & Unclassified · Latest available filing year: 2023 · Primary form: IRS Form 990

  35. Omega Enterprises Veba Associated Trust Co Na

    EIN 396514138 · Headquarters: GREEN BAY, WI, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990

  36. Omega Foundation

    EIN 010387306 · Headquarters: naples, FL, US · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-N

  37. Omega Global Development Inc

    EIN 863432717 · Headquarters: Cleveland, OH, USA · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-EZ

  38. Omega Graduate School Inc

    EIN 621149976 · Headquarters: DAYTON, TN, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990

  39. Omega House Corporation of Kappa Alpha Theta

    EIN 941042798 · Headquarters: SAN MARCOS, CA, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990

  40. Omega International Social Service

    EIN 800590906 · Headquarters: Cincinnati, OH, US · Unknown & Unclassified · Latest available filing year: 2021 · Primary form: IRS Form 990-N

  41. Omega Learn

    EIN 871025814 · Headquarters: San Jose, CA, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  42. Omega Liturgical Dance Company Inc

    EIN 132926384 · Headquarters: Astoria, NY, US · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-N

  43. Omega Men of North Alabama Inc

    EIN 631125716 · Headquarters: HUNTSVILLE, AL, USA · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990

  44. Omega Ministries Inc

    EIN 630920633 · Headquarters: Rainbow City, AL, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  45. Omega Nu Alpha Iota Chapter

    EIN 946094854 · Headquarters: SONORA, CA, US · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-N

  46. Omega Nu Beta Chapter

    EIN 510212235 · Headquarters: Chico, CA, US · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-N

  47. Omega Nu Tau Sorority Inc

    EIN 316086434 · Headquarters: Cincinnati, OH, US · Unknown & Unclassified · Latest available filing year: 2019 · Primary form: IRS Form 990-N

  48. Omega of Gamma Phi Beta Inc

    EIN 420267570 · Headquarters: CORALVILLE, IA, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990

  49. Omega of Zeta Beta Tau Building Assoc C/o Bert Schweizer Iii

    EIN 436061733 · Headquarters: SAINT LOUIS, MO, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990

  50. Omega Omega Chapter of Sigma Chi Frat

    EIN 710245516 · Headquarters: FAYETTEVILLE, AR, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990

  51. Omega Pepper Festival Inc

    EIN 862147130 · Headquarters: OMEGA, GA, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  52. Omega Phi Alpha

    EIN 826006087 · Headquarters: MOSCOW, ID, USA · Unknown & Unclassified · Latest available filing year: 2020 · Primary form: IRS Form 990

  53. Omega Phi Fraternity

    EIN 451872892 · Headquarters: San Antonio, TX, US · Unknown & Unclassified · Latest available filing year: 2012 · Primary form: IRS Form 990-N

  54. Omega Phi Inc

    EIN 916056334 · Headquarters: PULLMAN, WA, USA · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990

  55. Omega Psi Phi - State of Georgia

    EIN 273627319 · Headquarters: Roswell, GA, USA · Unknown & Unclassified · Latest available filing year: 2023 · Primary form: IRS Form 990-EZ

  56. Omega Psi Phi Fernatity Inc

    EIN 800662969 · Headquarters: Montgomery, AL, US · Unknown & Unclassified · Latest available filing year: 2022 · Primary form: IRS Form 990-N

  57. Omega Psi Phi Franternity

    EIN 852131440 · Headquarters: Aurora, CO, US · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-N

  58. Omega Psi Phi Franternity

    EIN 853863975 · Headquarters: COLUMBUS, OH, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990

  59. Omega Psi Phi Franternity

    EIN 854219567 · Headquarters: Joint Base MDL, NJ, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  60. Omega Psi Phi Franternity

    EIN 854219569 · Headquarters: OAK RIDGE, TN, US · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-N

  61. Omega Psi Phi Franternity

    EIN 854219581 · Headquarters: APG, MD, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  62. Omega Psi Phi Franternity

    EIN 854219588 · Headquarters: Hawkins, TX, US · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-N

  63. Omega Psi Phi Franternity

    EIN 854263411 · Headquarters: INSTITUTE, WV, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  64. Omega Psi Phi Franternity

    EIN 854319329 · Headquarters: PERKASIE, PA, US · Unknown & Unclassified · Latest available filing year: 2022 · Primary form: IRS Form 990-N

  65. Omega Psi Phi Franternity

    EIN 854319334 · Headquarters: UNION, NJ, US · Unknown & Unclassified · Latest available filing year: 2022 · Primary form: IRS Form 990-N

  66. Omega Psi Phi Franternity

    EIN 854319355 · Headquarters: AKRON, OH, US · Unknown & Unclassified · Latest available filing year: 2022 · Primary form: IRS Form 990-N

  67. Omega Psi Phi Franternity

    EIN 854319635 · Headquarters: TALLAHASSEE, FL, US · Unknown & Unclassified · Latest available filing year: 2022 · Primary form: IRS Form 990-N

  68. Omega Psi Phi Franternity

    EIN 854343245 · Headquarters: San Diego, CA, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  69. Omega Psi Phi Franternity

    EIN 861621057 · Headquarters: INSTITUTE, WV, US · Unknown & Unclassified · Latest available filing year: 2022 · Primary form: IRS Form 990-N

  70. Omega Psi Phi Franternity

    EIN 862019238 · Headquarters: Oceanside, CA, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  71. Omega Psi Phi Franternity

    EIN 871361109 · Headquarters: Charleston, WV, US · Unknown & Unclassified · Latest available filing year: 2021 · Primary form: IRS Form 990-N

  72. Omega Psi Phi Franternity

    EIN 871361119 · Headquarters: Valley City, ND, US · Unknown & Unclassified · Latest available filing year: 2023 · Primary form: IRS Form 990-N

  73. Omega Psi Phi Franternity

    EIN 871361127 · Headquarters: Fishers, IN, US · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-N

  74. Omega Psi Phi Franternity

    EIN 871375744 · Headquarters: Lawrenceville, VA, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  75. Omega Psi Phi Franternity

    EIN 871951645 · Headquarters: New Orleans, LA, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  76. Omega Psi Phi Fraternity

    EIN 066087944 · Headquarters: Norwalk, CT, US · Unknown & Unclassified · Latest available filing year: 2023 · Primary form: IRS Form 990-N

  77. Omega Psi Phi Fraternity

    EIN 161707013 · Headquarters: WALDORF, MD, USA · Unknown & Unclassified · Latest available filing year: 2021 · Primary form: IRS Form 990-EZ

  78. Omega Psi Phi Fraternity

    EIN 223014142 · Headquarters: Somerset, NJ, US · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-N

  79. Omega Psi Phi Fraternity

    EIN 226091742 · Headquarters: Plainfield, NJ, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  80. Omega Psi Phi Fraternity

    EIN 237065900 · Headquarters: Cocoa, FL, US · Unknown & Unclassified · Latest available filing year: 2022 · Primary form: IRS Form 990-N

  81. Omega Psi Phi Fraternity

    EIN 237065905 · Headquarters: Bowie, MD, US · Unknown & Unclassified · Latest available filing year: 2023 · Primary form: IRS Form 990-N

  82. Omega Psi Phi Fraternity

    EIN 237065911 · Headquarters: Portland, OR, US · Unknown & Unclassified · Latest available filing year: 2011 · Primary form: IRS Form 990-N

  83. Omega Psi Phi Fraternity

    EIN 237096967 · Headquarters: Franklin, VA, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  84. Omega Psi Phi Fraternity

    EIN 237383277 · Headquarters: State University, AR, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  85. Omega Psi Phi Fraternity

    EIN 237383782 · Headquarters: Gainesville, FL, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  86. Omega Psi Phi Fraternity

    EIN 237412852 · Headquarters: GREENVILLE, SC, US · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-N

  87. Omega Psi Phi Fraternity

    EIN 262060078 · Headquarters: Montclair, NJ, US · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-N

  88. Omega Psi Phi Fraternity

    EIN 262197312 · Headquarters: Peachtree City, GA, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  89. Omega Psi Phi Fraternity

    EIN 264176181 · Headquarters: DYERSBURG, TN, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  90. Omega Psi Phi Fraternity

    EIN 273661638 · Headquarters: Fort Stewart, GA, US · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-N

  91. Omega Psi Phi Fraternity

    EIN 273667662 · Headquarters: Thomasville, GA, US · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-N

  92. Omega Psi Phi Fraternity

    EIN 273750133 · Headquarters: Missouri City, TX, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-EZ

  93. Omega Psi Phi Fraternity

    EIN 274019275 · Headquarters: Port Arthur, TX, US · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-N

  94. Omega Psi Phi Fraternity

    EIN 274099015 · Headquarters: Birmingham, AL, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  95. Omega Psi Phi Fraternity

    EIN 274986342 · Headquarters: marietta, GA, US · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-N

  96. Omega Psi Phi Fraternity

    EIN 275070009 · Headquarters: Philadelphia, PA, US · Unknown & Unclassified · Latest available filing year: 2023 · Primary form: IRS Form 990-N

  97. Omega Psi Phi Fraternity

    EIN 275192135 · Headquarters: Suffolk, VA, US · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-N

  98. Omega Psi Phi Fraternity

    EIN 275193401 · Headquarters: Chesapeake, VA, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  99. Omega Psi Phi Fraternity

    EIN 300171673 · Headquarters: Fort Lauderdale, FL, US · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-N

  100. Omega Psi Phi Fraternity

    EIN 311295329 · Headquarters: Canton, OH, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

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