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. William T Kemper Ii Charitable Trust

    EIN 436337610 · Headquarters: KANSAS CITY, MO, USA · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-PF

  2. William T Morris Foundation Inc

    EIN 131600908 · Headquarters: NAPLES, FL, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-PF

  3. William T Nace Scholarship Foundation a Nj Non-profit Corpora

    EIN 460592574 · Headquarters: West Deptford, NJ, US · Unknown & Unclassified · Latest available filing year: 2019 · Primary form: IRS Form 990-N

  4. William T Perry Charitable Trust

    EIN 316018719 · Headquarters: COLUMBUS, OH, USA · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-PF

  5. William T Shannon Trust

    EIN 316018074 · Headquarters: PITTSBURGH, PA, USA · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-PF

  6. William T Spooner American Legion Post 17 Inc

    EIN 237037362 · Headquarters: LEWES, DE, USA · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990

  7. William T Vogt and Lorine E Vogt Charitable Foundation

    EIN 232339924 · Headquarters: CORPUS CHRISTI, TX, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-PF

  8. William T Young Foundation Inc

    EIN 311020207 · Headquarters: LEXINGTON, KY, USA · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-PF

  9. William Temple House

    EIN 930559964 · Headquarters: PORTLAND, OR, USA · Unknown & Unclassified · Latest available filing year: 2023 · Primary form: IRS Form 990

  10. William Thomas & May Pitman Hennessy Foundation

    EIN 716058272 · Headquarters: FORT SMITH, AR, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-PF

  11. William Tobin King Educational Trust

    EIN 431582893 · Headquarters: ST JOSEPH, MO, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-PF

  12. William Townsend Porter Foundation C/o Hemenway & Barnes

    EIN 042104293 · Headquarters: BOSTON, MA, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-PF

  13. William Trimble Green Charitable Trust

    EIN 582070778 · Headquarters: LAUREL, MS, USA · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-PF

  14. William Van Nest Garretson Scholarship

    EIN 736091909 · Headquarters: OKLAHOMA CITY, OK, USA · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-PF

  15. William Vanderhout Trust 42C129014

    EIN 046753154 · Headquarters: MANCHESTER, NH, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-PF

  16. William Vanoverloop Charitable Remainder

    EIN 386616770 · Headquarters: CINCINNATI, OH, USA · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990

  17. William W & Betty Halliday Foundation

    EIN 237001460 · Headquarters: SAINT LOUIS, MO, USA · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-PF

  18. William W Jenkins Char Rmdr Trust

    EIN 436909497 · Headquarters: BIRMINGHAM, AL, USA · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-PF

  19. William W Motley Dds Veba Trust

    EIN 591457534 · Headquarters: ATLANTA, GA, US · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-N

  20. William W Treat Foundation

    EIN 026013780 · Headquarters: STRATHAM, NH, USA · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-PF

  21. William Wagner Charitable Test Tr

    EIN 346524601 · Headquarters: COLUMBUS, OH, USA · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-PF

  22. William Warfield Scholarship Fund Inc

    EIN 161084299 · Headquarters: Rochester, NY, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  23. William Weimar Foundation

    EIN 916032377 · Headquarters: BROOKLYN, OH, USA · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-PF

  24. William Wendt Center for Loss and Healing

    EIN 521095105 · Headquarters: WASHINGTON, DC, USA · Unknown & Unclassified · Latest available filing year: 2023 · Primary form: IRS Form 990

  25. William Whidbee Sale & Virginia B Sale Foundation

    EIN 541273433 · Headquarters: Bassett, VA, USA · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-PF

  26. William White

    EIN 236202007 · Headquarters: PITTSBURGH, PA, USA · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-PF

  27. William Witt Chapter Tn Branch Huguenot Society Fmcv

    EIN 453438709 · Headquarters: Germantown, TN, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  28. William Wood Charitable Foundation

    EIN 386626768 · Headquarters: CINCINNATI, OH, USA · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-PF

  29. William Woods University PAD Prelaw Chapter

    EIN 954720638 · Headquarters: TOWSON, MD, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  30. William Woodward Memorial Museum 2100 Central Trust Center

    EIN 311035281 · Headquarters: West Chester, OH, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  31. William Yager Memorial Foundation Inc

    EIN 815111505 · Headquarters: albany, NY, US · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-N

  32. William Yeaman Art Xii B Tr

    EIN 916247138 · Headquarters: DALLAS, TX, USA · Unknown & Unclassified · Latest available filing year: 2022 · Primary form: IRS Form 990-PF

  33. William Z Hayes Foundation

    EIN 756245477 · Headquarters: DALLAS, TX, USA · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-PF

  34. William Z Hayes Foundation Uw Lucy Dupree

    EIN 756259210 · Headquarters: DALLAS, TX, USA · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-PF

  35. William&Vina Baker Yerdon Fndtion

    EIN 237366678 · Headquarters: Fort Plain, NY, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-PF

  36. William-giroux Post No 90 of the American Legion Inc

    EIN 382733590 · Headquarters: LAKE LINDEN, MI, USA · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990

  37. Williamette Agate and Mineral Society

    EIN 930774739 · Headquarters: SALEM, OR, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  38. Williamette Chapter of Credit Unions

    EIN 383917810 · Headquarters: Springfield, OR, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  39. Williams - Brazier Post No 37 the American Legion

    EIN 016016442 · Headquarters: Thomaston, ME, USA · Unknown & Unclassified · Latest available filing year: 2021 · Primary form: IRS Form 990-EZ

  40. Williams - Lopp American Legion Post 284

    EIN 923837568 · Headquarters: Trinity, NC, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  41. Williams a W C Uw Fbo Htfd Hosp

    EIN 066030833 · Headquarters: DALLAS, TX, USA · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-PF

  42. Williams a W C Uw Htfd Hosp Jef

    EIN 066030835 · Headquarters: DALLAS, TX, USA · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-PF

  43. Williams Abigail E Est for Csw

    EIN 066030172 · Headquarters: DALLAS, TX, USA · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-PF

  44. Williams Aftercare Recovery Center Nfp

    EIN 770603977 · Headquarters: Harvey, IL, US · Unknown & Unclassified · Latest available filing year: 2020 · Primary form: IRS Form 990-N

  45. Williams Apartments Inc

    EIN 426251158 · Headquarters: Algona, IA, USA · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-EZ

  46. Williams Area Habitat for Humanity Inc

    EIN 860820959 · Headquarters: Williams, AZ, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990

  47. Williams Basketball Center

    EIN 862582139 · Headquarters: Tacoma, WA, US · Unknown & Unclassified · Latest available filing year: 2022 · Primary form: IRS Form 990-N

  48. Williams Bay Education Association

    EIN 237101972 · Headquarters: MADISON, WI, US · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-N

  49. Williams Bay Soccer Association

    EIN 391849328 · Headquarters: Williams Bay, WI, US · Unknown & Unclassified · Latest available filing year: 2015 · Primary form: IRS Form 990-N

  50. Williams Brenda Charitable Tr B

    EIN 436368755 · Headquarters: EAGAN, MN, USA · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-PF

  51. Williams Brenda Tr C Scholarship

    EIN 436373970 · Headquarters: EAGAN, MN, USA · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-PF

  52. Williams Bridge Academy

    EIN 222580920 · Headquarters: RYE, NH, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990

  53. Williams Canyon Residents Association

    EIN 330490286 · Headquarters: Silverado, CA, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  54. Williams Care Homes Inc

    EIN 621144360 · Headquarters: MEMPHIS, TN, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  55. Williams Cemetery

    EIN 431197170 · Headquarters: Licking, MO, USA · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990

  56. Williams Cemetery Association

    EIN 371191937 · Headquarters: MOUNT VERNON, IL, US · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-N

  57. Williams Cemetery Association

    EIN 640691724 · Headquarters: Pontotoc, MS, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  58. Williams Cemetery Fund Inc

    EIN 640688764 · Headquarters: Oxford, MS, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  59. Williams Charles F Scholarship Fd Pfdn

    EIN 066138018 · Headquarters: BROOKLYN, OH, USA · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-PF

  60. Williams Chas K Ii 1984 Fdn Trs Ud

    EIN 236758319 · Headquarters: PITTSBURGH, PA, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-PF

  61. Williams Club

    EIN 131475080 · Headquarters: New York, NY, US · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-N

  62. Williams Coal Creek Cemetery

    EIN 900396246 · Headquarters: MIAMI, OK, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  63. Williams Community Scholarship Fund

    EIN 930845641 · Headquarters: Williams, OR, US · Unknown & Unclassified · Latest available filing year: 2023 · Primary form: IRS Form 990-N

  64. Williams Companies Foundation Inc

    EIN 237413843 · Headquarters: TULSA, OK, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-PF

  65. Williams Corner Church of God

    EIN 262296076 · Headquarters: GOSHEN, OH, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990

  66. Williams County Economic Development Corp

    EIN 341403293 · Headquarters: BRYAN, OH, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990

  67. Williams County Fair Foundatio

    EIN 341199483 · Headquarters: MONTPELIER, OH, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990

  68. Williams County Family YMCA of WILLIAMS COUNTY INC

    EIN 341448529 · Headquarters: Bryan, OH, USA · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990

  69. Williams County Farm Bureau

    EIN 346527578 · Headquarters: Pettisville, OH, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-EZ

  70. Williams County Farm Bureau

    EIN 450343703 · Headquarters: Zahl, ND, US · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-N

  71. Williams County Genealogical Society

    EIN 341493279 · Headquarters: BRYAN, OH, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-EZ

  72. Williams County Habitat for Humanity Inc

    EIN 341697187 · Headquarters: BRYAN, OH, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990

  73. Williams County Humane Society

    EIN 237404782 · Headquarters: BRYAN, OH, USA · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990

  74. Williams Creek Cemetery Assn Inc

    EIN 930514541 · Headquarters: GRANTS PASS, OR, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  75. Williams Creek Owners Association

    EIN 900866249 · Headquarters: Coleman, TX, US · Unknown & Unclassified · Latest available filing year: 2011 · Primary form: IRS Form 990-N

  76. Williams Entertainment Company

    EIN 202411048 · Headquarters: Vinita, OK, US · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-N

  77. Williams F Bo William Sch

    EIN 066023781 · Headquarters: DALLAS, TX, USA · Unknown & Unclassified · Latest available filing year: 2022 · Primary form: IRS Form 990-PF

  78. Williams Family Charitable Foundation

    EIN 621495295 · Headquarters: NASHVILLE, TN, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-PF

  79. Williams Family Foundation

    EIN 236978816 · Headquarters: CHESTER SPRINGS, PA, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-PF

  80. Williams Family Foundation

    EIN 416363480 · Headquarters: DULUTH, MN, USA · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-PF

  81. Williams Family Foundation

    EIN 731376102 · Headquarters: LAWTON, OK, USA · Unknown & Unclassified · Latest available filing year: 2023 · Primary form: IRS Form 990-PF

  82. Williams Family Foundation of Georgia Inc

    EIN 581414850 · Headquarters: THOMASVILLE, GA, USA · Unknown & Unclassified · Latest available filing year: 2023 · Primary form: IRS Form 990-PF

  83. Williams Family Stewardship Foundation

    EIN 873696497 · Headquarters: BELLEVUE, WA, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-PF

  84. Williams Field High School Girls Soccer Booster Club

    EIN 830500219 · Headquarters: Higley, AZ, US · Unknown & Unclassified · Latest available filing year: 2010 · Primary form: IRS Form 990-N

  85. Williams Firemen's Relief Association

    EIN 411834584 · Headquarters: Williams, MN, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990

  86. Williams Foundation

    EIN 316032504 · Headquarters: CINCINNATI, OH, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-PF

  87. Williams Foundation

    EIN 954318017 · Headquarters: Gilbert, AZ, USA · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-PF

  88. Williams Grand Lodge Inc

    EIN 300636874 · Headquarters: Yemassee, SC, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  89. Williams Grand Lodge Inc

    EIN 320313548 · Headquarters: Yemassee, SC, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  90. Williams Grand Lodge Inc

    EIN 352384247 · Headquarters: Yemassee, SC, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  91. Williams Grand Lodge Inc

    EIN 364673317 · Headquarters: Elloree, SC, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  92. Williams Grand Lodge Inc

    EIN 371605154 · Headquarters: SANTEE, SC, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  93. Williams Grand Lodge Inc

    EIN 570892202 · Headquarters: ORANGEBURG, SC, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-EZ

  94. Williams Grand Lodge Inc

    EIN 570940781 · Headquarters: Bamberg, SC, US · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-N

  95. Williams Grand Lodge Inc

    EIN 570940782 · Headquarters: Columbia, SC, US · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-N

  96. Williams Grand Lodge Inc

    EIN 570940783 · Headquarters: Orangeburg, SC, US · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-N

  97. Williams Grand Lodge Inc

    EIN 570940784 · Headquarters: BARNWELL, SC, US · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-N

  98. Williams Grand Lodge Inc

    EIN 570940785 · Headquarters: St George, SC, US · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-N

  99. Williams Grand Lodge Inc

    EIN 570940786 · Headquarters: Orangeburg, SC, US · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-N

  100. Williams Grand Lodge Inc

    EIN 570940788 · Headquarters: Bamberg, SC, US · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-N

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