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. Buffalo & Erie County Historical Society

    EIN 166000166 · Headquarters: BUFFALO, NY, USA · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990

  2. Buffalo Alumni College Network

    EIN 824996732 · Headquarters: WAKE FOREST, NC, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  3. Buffalo Alumni Comittee

    EIN 473579683 · Headquarters: DAVENPORT, IA, US · Unknown & Unclassified · Latest available filing year: 2016 · Primary form: IRS Form 990-N

  4. Buffalo Amateur Radio Klub Inc

    EIN 462587118 · Headquarters: Buffalo, WY, US · Unknown & Unclassified · Latest available filing year: 2014 · Primary form: IRS Form 990-N

  5. Buffalo Amateur Radio Repeater Association Inc

    EIN 161390786 · Headquarters: North Tonawanda, NY, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  6. Buffalo American Legion Post 270

    EIN 410678743 · Headquarters: BUFFALO, MN, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990

  7. Buffalo Area Chamber of Commerce

    EIN 411391470 · Headquarters: BUFFALO, MN, USA · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990

  8. Buffalo Area Community Housing Corp

    EIN 237423521 · Headquarters: JOPLIN, MO, USA · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990

  9. Buffalo Area Quick Response Unit Inc

    EIN 830446823 · Headquarters: BUFFALO, ND, US · Unknown & Unclassified · Latest available filing year: 2009 · Primary form: IRS Form 990-N

  10. Buffalo Arts and Technology Center Inc

    EIN 455213027 · Headquarters: BUFFALO, NY, USA · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990

  11. Buffalo Astronomical Association Inc

    EIN 237448421 · Headquarters: Buffalo, NY, US · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-N

  12. Buffalo Auxiliary-5 of the Ladies Auxiliary Patriarchs Militant Ioof

    EIN 461408352 · Headquarters: East Amherst, NY, US · Unknown & Unclassified · Latest available filing year: 2021 · Primary form: IRS Form 990-N

  13. Buffalo Bills Foundation Inc

    EIN 161291395 · Headquarters: ORCHARD PARK, NY, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-PF

  14. Buffalo Bison Diamon Club

    EIN 271446708 · Headquarters: Buffalo, MN, US · Unknown & Unclassified · Latest available filing year: 2017 · Primary form: IRS Form 990-N

  15. Buffalo Building Trade Inspectors Association Local 2651 Afscme

    EIN 510242082 · Headquarters: BUFFALO, NY, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  16. Buffalo Cemetery Co

    EIN 251823029 · Headquarters: Washington, PA, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  17. Buffalo Chamber of Commerce

    EIN 830202645 · Headquarters: BUFFALO, WY, USA · Unknown & Unclassified · Latest available filing year: 2023 · Primary form: IRS Form 990

  18. Buffalo Chapter No 322 Women of the Moose

    EIN 222539517 · Headquarters: buffalo, NY, US · Unknown & Unclassified · Latest available filing year: 2020 · Primary form: IRS Form 990-N

  19. Buffalo Chapter of Risk Management Association

    EIN 943448124 · Headquarters: Williamsville, NY, US · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-N

  20. Buffalo Chapter of the Metals Service Center Institute Inc

    EIN 161546237 · Headquarters: Auburn, NY, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  21. Buffalo Choral Arts Society

    EIN 161277316 · Headquarters: Buffalo, NY, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-EZ

  22. Buffalo Cigar Club Inc

    EIN 822442384 · Headquarters: BUFFALO, NY, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990

  23. Buffalo City Gun Club Inc

    EIN 450365157 · Headquarters: Jamestown, ND, US · Unknown & Unclassified · Latest available filing year: 2022 · Primary form: IRS Form 990-N

  24. Buffalo Cityhawks Hockey Association Inc

    EIN 454235417 · Headquarters: Buffalo, NY, US · Unknown & Unclassified · Latest available filing year: 2013 · Primary form: IRS Form 990-N

  25. Buffalo Collegiate Charter School C/o Brian Pawloski

    EIN 822306347 · Headquarters: BUFFALO, NY, USA · Unknown & Unclassified · Latest available filing year: 2023 · Primary form: IRS Form 990

  26. Buffalo Community PTA

    EIN 883463924 · Headquarters: BUFFALO, NY, US · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-N

  27. Buffalo Community Supportive Association

    EIN 475137238 · Headquarters: AMHERT, NY, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  28. Buffalo Council of Supervisors and Administrators

    EIN 166176421 · Headquarters: BOWMANSVILLE, NY, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990

  29. Buffalo Council of Supervisors and Administrators Supplemental Trust

    EIN 161188576 · Headquarters: BOWMANSVILLE, NY, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990

  30. Buffalo County Agricultural Association

    EIN 476032565 · Headquarters: KEARNEY, NE, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990

  31. Buffalo County Citizen Advocacy Inc

    EIN 470596200 · Headquarters: KEARNEY, NE, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990

  32. Buffalo County Farm Bureau

    EIN 470446206 · Headquarters: KEARNEY, NE, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-EZ

  33. Buffalo County Goodfellows Inc C/o Ron Bielenberg

    EIN 470676735 · Headquarters: KEARNEY, NE, USA · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-EZ

  34. Buffalo County Housing Inc

    EIN 391225238 · Headquarters: ALMA, WI, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990

  35. Buffalo County Snowmobile Assn Inc

    EIN 391500124 · Headquarters: ALMA, WI, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-EZ

  36. Buffalo Cpcu Society Chapter Inc

    EIN 166052443 · Headquarters: Malvern, PA, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  37. Buffalo Creek Little League Inc

    EIN 854086975 · Headquarters: Palmetto, FL, USA · Unknown & Unclassified · Latest available filing year: 2023 · Primary form: IRS Form 990-EZ

  38. Buffalo Cta

    EIN 821021281 · Headquarters: Buffalo, MO, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  39. Buffalo Development Corporation C/o Community Works of Nd

    EIN 450346548 · Headquarters: MANDAN, ND, USA · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990

  40. Buffalo Educational Support Team Dental

    EIN 161341895 · Headquarters: BUFFALO, NY, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990

  41. Buffalo Engineering Awareness for Minorities Inc

    EIN 161900480 · Headquarters: BUFFALO, NY, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-EZ

  42. Buffalo Equestrian Center Inc

    EIN 161425905 · Headquarters: BUFFALO, NY, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990

  43. Buffalo Fan Alliance Incorporated

    EIN 460886152 · Headquarters: Buffalo, NY, US · Unknown & Unclassified · Latest available filing year: 2013 · Primary form: IRS Form 990-N

  44. Buffalo Farmers Market

    EIN 991334569 · Headquarters: princeton, MN, US · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-N

  45. Buffalo Federation of Neighborhood Centers Inc

    EIN 161172623 · Headquarters: BUFFALO, NY, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990

  46. Buffalo Field Archery Club Inc

    EIN 746061765 · Headquarters: SPRING, TX, USA · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-EZ

  47. Buffalo Fire Department Beneficiary Association

    EIN 166034343 · Headquarters: BUFFALO, NY, USA · Unknown & Unclassified · Latest available filing year: 2019 · Primary form: IRS Form 990

  48. Buffalo Football Boosters

    EIN 363529806 · Headquarters: Buffalo, MN, US · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-N

  49. Buffalo Friends of Folk Music Inc

    EIN 043729777 · Headquarters: BUFFALO, NY, US · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-N

  50. Buffalo Gals Parent Club

    EIN 812669070 · Headquarters: giddings, TX, US · Unknown & Unclassified · Latest available filing year: 2016 · Primary form: IRS Form 990-N

  51. Buffalo Gap Cemetery Association

    EIN 751557617 · Headquarters: Buffalo Gap, TX, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  52. Buffalo Green Fund Inc

    EIN 161104943 · Headquarters: East Amherst, NY, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-EZ

  53. Buffalo Grove High School Choral Guild

    EIN 366647919 · Headquarters: BUFFALO GROVE, IL, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-EZ

  54. Buffalo Grove Instrumental Assoc

    EIN 369627205 · Headquarters: BUFFALO GROVE, IL, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-EZ

  55. Buffalo Grove Lincolnshire Chamber of Commerce

    EIN 362834462 · Headquarters: BUFFALO GROVE, IL, USA · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-EZ

  56. Buffalo Gynecologic and Obstetric S

    EIN 222171663 · Headquarters: BUFFALO, NY, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  57. Buffalo Harbor Museum

    EIN 223023056 · Headquarters: BUFFALO, NY, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  58. Buffalo Hearing & Speech Center Inc

    EIN 160776186 · Headquarters: BUFFALO, NY, USA · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990

  59. Buffalo Hispanic Management Company Inc

    EIN 223035890 · Headquarters: Buffalo, NY, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990

  60. Buffalo Historical Society Inc

    EIN 550705837 · Headquarters: Buffalo, WV, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  61. Buffalo Homemakers

    EIN 471391691 · Headquarters: WASHINGTON, PA, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  62. Buffalo Irish Club Inc

    EIN 160707981 · Headquarters: Buffalo, NY, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  63. Buffalo Laborers' Training Fund

    EIN 161019942 · Headquarters: CHEEKTOWAGA, NY, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990

  64. Buffalo Laborers' Welfare Fund

    EIN 160806902 · Headquarters: CHEEKTOWAGA, NY, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990

  65. Buffalo Lake Area Housing Inc

    EIN 411381911 · Headquarters: BUFFALO LAKE, MN, USA · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-EZ

  66. Buffalo Lake Lions Club

    EIN 411361674 · Headquarters: BUFFALO LAKE, MN, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990

  67. Buffalo Lighthouse Association Inc

    EIN 161264463 · Headquarters: ORCHARD PARK, NY, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990

  68. Buffalo Marathi Mitra Parivar Inc

    EIN 821375587 · Headquarters: Clarence, NY, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  69. Buffalo Mine -Soapstone Community Council

    EIN 270670572 · Headquarters: Palmer, AK, US · Unknown & Unclassified · Latest available filing year: 2009 · Primary form: IRS Form 990-N

  70. Buffalo Model Powerboat Club Inc

    EIN 222668314 · Headquarters: Bergen, NY, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  71. Buffalo Mutual Irrigation Company

    EIN 840410332 · Headquarters: HOLLY, CO, USA · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990

  72. Buffalo Myanmar Association INC

    EIN 931605771 · Headquarters: Buffalo, NY, USA · Unknown & Unclassified · Latest available filing year: 2023 · Primary form: IRS Form 990-PF

  73. Buffalo Naval Park Committee Inc

    EIN 161133535 · Headquarters: BUFFALO, NY, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990

  74. Buffalo Niagara Builders Assoc Inc

    EIN 160723663 · Headquarters: BUFFALO, NY, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-EZ

  75. Buffalo Niagara Community Tennis Association Inc

    EIN 161604517 · Headquarters: LEWISTON, NY, US · Unknown & Unclassified · Latest available filing year: 2023 · Primary form: IRS Form 990-N

  76. Buffalo Niagara Convention & Visitors Bureau Inc

    EIN 161298671 · Headquarters: BUFFALO, NY, USA · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990

  77. Buffalo Niagara Cricket Club

    EIN 474941825 · Headquarters: NORTH TONAWANDA, NY, US · Unknown & Unclassified · Latest available filing year: 2020 · Primary form: IRS Form 990-N

  78. Buffalo Niagara Partnership Foundation

    EIN 160761958 · Headquarters: BUFFALO, NY, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990

  79. Buffalo Niagara Partnership Inc

    EIN 160365700 · Headquarters: BUFFALO, NY, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990

  80. Buffalo Niagara Real Estate Staging Association

    EIN 275341760 · Headquarters: Buffalo, NY, US · Unknown & Unclassified · Latest available filing year: 2012 · Primary form: IRS Form 990-N

  81. Buffalo Niagra Human Resource Association

    EIN 161327156 · Headquarters: Orchard Park, NY, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  82. Buffalo Nights Theatre Company Inc

    EIN 954352627 · Headquarters: Sherman Oaks, CA, US · Unknown & Unclassified · Latest available filing year: 2022 · Primary form: IRS Form 990-N

  83. Buffalo Numismatic Association Inc

    EIN 161596122 · Headquarters: Cheektowaga, NY, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  84. Buffalo Octoberfest

    EIN 474644887 · Headquarters: Buffalo, WV, US · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-N

  85. Buffalo Ophthalmologic Society

    EIN 822466965 · Headquarters: Williamsville, NY, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  86. Buffalo Ornithological Society Inc

    EIN 166028917 · Headquarters: Buffalo, NY, US · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-N

  87. Buffalo Owners Association Inc

    EIN 840681812 · Headquarters: PINE, CO, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  88. Buffalo Park Assn

    EIN 351860400 · Headquarters: Buffalo, IN, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  89. Buffalo Park Club

    EIN 371007992 · Headquarters: Maryville, IL, US · Unknown & Unclassified · Latest available filing year: 2020 · Primary form: IRS Form 990-N

  90. Buffalo Pepin Rea

    EIN 271707107 · Headquarters: Waumandee, WI, US · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-N

  91. Buffalo Philharmonic Chorus Inc

    EIN 237438520 · Headquarters: BUFFALO, NY, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990

  92. Buffalo Philharmonic Orchestra Foundation Inc

    EIN 222270540 · Headquarters: BUFFALO, NY, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990

  93. Buffalo Place Inc

    EIN 237363788 · Headquarters: BUFFALO, NY, USA · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990

  94. Buffalo Police Advisory Board Inc

    EIN 881241804 · Headquarters: Buffalo, NY, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  95. Buffalo Police Benevolent Association

    EIN 161481809 · Headquarters: Buffalo, NY, United States · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990

  96. Buffalo Prairie Days Inc

    EIN 831819565 · Headquarters: Montreal, MO, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  97. Buffalo Prenatal-perinatal Network Inc

    EIN 161302764 · Headquarters: BUFFALO, NY, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990

  98. Buffalo Prep Inc

    EIN 161359846 · Headquarters: BUFFALO, NY, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990

  99. Buffalo Public Interest Law Program Inc

    EIN 222378899 · Headquarters: Buffalo, NY, US · Unknown & Unclassified · Latest available filing year: 2009 · Primary form: IRS Form 990-N

  100. Buffalo Racquet Club Inc

    EIN 166007352 · Headquarters: BUFFALO, NY, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-EZ

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