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. International Bordetella Society Co

    EIN 844410488 · Headquarters: POTOMAC, MD, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-PF

  2. International Bossons Collectors Society Inc

    EIN 912164880 · Headquarters: Tampa, FL, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  3. International Bottled Water Association

    EIN 251124210 · Headquarters: ALEXANDRIA, VA, USA · Unknown & Unclassified · Latest available filing year: 2023 · Primary form: IRS Form 990

  4. International Bowhunting Organization

    EIN 611200386 · Headquarters: FAIRVIEW PARK, OH, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990

  5. International Bowling Media Association

    EIN 364745483 · Headquarters: Mahomet, IL, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  6. International Bowling Pro Shop & Instructors Association Inc

    EIN 770265157 · Headquarters: ARLINGTON, TX, USA · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-EZ

  7. International Brangus Auxiliary Inc

    EIN 742044960 · Headquarters: RUNGE, TX, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990

  8. International Brangus Breeders Assoc

    EIN 440624028 · Headquarters: COLLEGE STATION, TX, USA · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990

  9. International Breast Cancer Surgical Mission

    EIN 862303052 · Headquarters: SOUTHAMPTON, NY, US · Unknown & Unclassified · Latest available filing year: 2023 · Primary form: IRS Form 990-N

  10. International Brecht Society Incorporated

    EIN 581827904 · Headquarters: SAINT LOUIS, MO, US · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-N

  11. International Bricklayers & Allied Craftsmen Local 22 Ohio

    EIN 310224130 · Headquarters: DAYTON, OH, USA · Unknown & Unclassified · Latest available filing year: 2022 · Primary form: IRS Form 990

  12. International Bridge Tunnel and Turnpike Association

    EIN 530259945 · Headquarters: WASHINGTON, DC, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990

  13. International Bridges of Worship Inc

    EIN 570880034 · Headquarters: RED OAK, TX, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-EZ

  14. International Brit Milah

    EIN 113047483 · Headquarters: BROOKLYN, NY, USA · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-PF

  15. International Bro of Electrical Workers

    EIN 640271499 · Headquarters: PASCAGOULA, MS, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990

  16. International Brootherhood of Painters Local 113

    EIN 146034781 · Headquarters: MT Kisco, NY, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-EZ

  17. International Broth of Elec Workers 855

    EIN 350415627 · Headquarters: MUNCIE, IN, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990

  18. International Brother of 0032 Local

    EIN 344269658 · Headquarters: LIMA, OH, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990

  19. International Brotherhd - Boilrmkrs Ir Shp Bldrs Blcksmth

    EIN 770432456 · Headquarters: Ridgecrest, CA, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990

  20. International Brotherhd - Boilrmkrs Ir Shp Bldrs Blcksmth Frgrs & Hlpr

    EIN 060727380 · Headquarters: SALEM, CT, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  21. International Brotherhd - Boilrmkrs Ir Shp Bldrs Blcksmth Frgrs & Hlpr

    EIN 166051497 · Headquarters: East Aurora, NY, US · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-N

  22. International Brotherhd - Boilrmkrs Ir Shp Bldrs Blcksmth Frgrs & Hlpr

    EIN 236298679 · Headquarters: West Wyoming, PA, US · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-N

  23. International Brotherhd - Boilrmkrs Ir Shp Bldrs Blcksmth Frgrs & Hlpr

    EIN 236414328 · Headquarters: Northampton, PA, US · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-N

  24. International Brotherhd - Boilrmkrs Ir Shp Bldrs Blcksmth Frgrs & Hlpr

    EIN 236430424 · Headquarters: FLORENCE, NJ, USA · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-EZ

  25. International Brotherhd - Boilrmkrs Ir Shp Bldrs Blcksmth Frgrs & Hlpr

    EIN 236463974 · Headquarters: Upper Chichester, PA, US · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-N

  26. International Brotherhd - Boilrmkrs Ir Shp Bldrs Blcksmth Frgrs & Hlpr

    EIN 237095534 · Headquarters: MIDDLETON, TN, USA · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-EZ

  27. International Brotherhd - Boilrmkrs Ir Shp Bldrs Blcksmth Frgrs & Hlpr

    EIN 237109469 · Headquarters: ROSELLE, IL, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-EZ

  28. International Brotherhd - Boilrmkrs Ir Shp Bldrs Blcksmth Frgrs & Hlpr

    EIN 310995968 · Headquarters: North East, MD, US · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-N

  29. International Brotherhd - Boilrmkrs Ir Shp Bldrs Blcksmth Frgrs & Hlpr

    EIN 346595418 · Headquarters: PAULDING, OH, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  30. International Brotherhd - Boilrmkrs Ir Shp Bldrs Blcksmth Frgrs & Hlpr

    EIN 350996284 · Headquarters: Kansas City, KS, US · Unknown & Unclassified · Latest available filing year: 2022 · Primary form: IRS Form 990-N

  31. International Brotherhd - Boilrmkrs Ir Shp Bldrs Blcksmth Frgrs & Hlpr

    EIN 351442266 · Headquarters: Rising Sun, IN, USA · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-EZ

  32. International Brotherhd - Boilrmkrs Ir Shp Bldrs Blcksmth Frgrs & Hlpr

    EIN 376046412 · Headquarters: East Alton, IL, US · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-N

  33. International Brotherhd - Boilrmkrs Ir Shp Bldrs Blcksmth Frgrs & Hlpr

    EIN 381866208 · Headquarters: Charlevoix, MI, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  34. International Brotherhd - Boilrmkrs Ir Shp Bldrs Blcksmth Frgrs & Hlpr

    EIN 381903150 · Headquarters: ROGERS CITY, MI, US · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-N

  35. International Brotherhd - Boilrmkrs Ir Shp Bldrs Blcksmth Frgrs & Hlpr

    EIN 396078211 · Headquarters: DePere, WI, US · Unknown & Unclassified · Latest available filing year: 2021 · Primary form: IRS Form 990-N

  36. International Brotherhd - Boilrmkrs Ir Shp Bldrs Blcksmth Frgrs & Hlpr

    EIN 410328943 · Headquarters: RAMSEY, MN, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990

  37. International Brotherhd - Boilrmkrs Ir Shp Bldrs Blcksmth Frgrs & Hlpr

    EIN 421246819 · Headquarters: Buffalo, IA, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  38. International Brotherhd - Boilrmkrs Ir Shp Bldrs Blcksmth Frgrs & Hlpr

    EIN 436066445 · Headquarters: DeSoto, MO, US · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-N

  39. International Brotherhd - Boilrmkrs Ir Shp Bldrs Blcksmth Frgrs & Hlpr

    EIN 470602199 · Headquarters: Omaha, NE, US · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-N

  40. International Brotherhd - Boilrmkrs Ir Shp Bldrs Blcksmth Frgrs & Hlpr

    EIN 486132202 · Headquarters: PAOLA, KS, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  41. International Brotherhd - Boilrmkrs Ir Shp Bldrs Blcksmth Frgrs & Hlpr

    EIN 510154044 · Headquarters: Kansas City, MO, US · Unknown & Unclassified · Latest available filing year: 2022 · Primary form: IRS Form 990-N

  42. International Brotherhd - Boilrmkrs Ir Shp Bldrs Blcksmth Frgrs & Hlpr

    EIN 541949911 · Headquarters: Chesapeake, VA, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-EZ

  43. International Brotherhd - Boilrmkrs Ir Shp Bldrs Blcksmth Frgrs & Hlpr

    EIN 581924298 · Headquarters: Foreman, AR, US · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-N

  44. International Brotherhd - Boilrmkrs Ir Shp Bldrs Blcksmth Frgrs & Hlpr

    EIN 586043648 · Headquarters: perry, GA, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  45. International Brotherhd - Boilrmkrs Ir Shp Bldrs Blcksmth Frgrs & Hlpr

    EIN 620358857 · Headquarters: Kansas City, KS, US · Unknown & Unclassified · Latest available filing year: 2022 · Primary form: IRS Form 990-N

  46. International Brotherhd - Boilrmkrs Ir Shp Bldrs Blcksmth Frgrs & Hlpr

    EIN 716057419 · Headquarters: North Little Rock, AR, US · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-N

  47. International Brotherhd - Boilrmkrs Ir Shp Bldrs Blcksmth Frgrs & Hlpr

    EIN 730243012 · Headquarters: La Marque, TX, US · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-N

  48. International Brotherhd - Boilrmkrs Ir Shp Bldrs Blcksmth Frgrs & Hlpr

    EIN 730609610 · Headquarters: ADA, OK, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  49. International Brotherhd - Boilrmkrs Ir Shp Bldrs Blcksmth Frgrs & Hlpr

    EIN 740706081 · Headquarters: La Marque, TX, US · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-N

  50. International Brotherhd - Boilrmkrs Ir Shp Bldrs Blcksmth Frgrs & Hlpr

    EIN 741173240 · Headquarters: La Marque, TX, US · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-N

  51. International Brotherhd - Boilrmkrs Ir Shp Bldrs Blcksmth Frgrs & Hlpr

    EIN 742601681 · Headquarters: brandenburg, KY, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  52. International Brotherhd - Boilrmkrs Ir Shp Bldrs Blcksmth Frgrs & Hlpr

    EIN 742672877 · Headquarters: LOUISVILLE, NE, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-EZ

  53. International Brotherhd - Boilrmkrs Ir Shp Bldrs Blcksmth Frgrs & Hlpr

    EIN 742748702 · Headquarters: Lee, MA, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  54. International Brotherhd - Boilrmkrs Ir Shp Bldrs Blcksmth Frgrs & Hlpr

    EIN 742748787 · Headquarters: Hedgesville, WV, US · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-N

  55. International Brotherhd - Boilrmkrs Ir Shp Bldrs Blcksmth Frgrs & Hlpr

    EIN 816013663 · Headquarters: THREE FORKS, MT, US · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-N

  56. International Brotherhd - Boilrmkrs Ir Shp Bldrs Blcksmth Frgrs & Hlpr

    EIN 886008103 · Headquarters: North Las Vegas, NV, US · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-N

  57. International Brotherhd - Boilrmkrs Ir Shp Bldrs Blcksmth Frgrs & Hlpr

    EIN 990322370 · Headquarters: Aiea, HI, USA · Unknown & Unclassified · Latest available filing year: 2023 · Primary form: IRS Form 990-EZ

  58. International Brotherhd - Boilrmkrs Ir Shp Bllders Blcksmith Frgrs & Hlpr

    EIN 240644770 · Headquarters: MILL HALL, PA, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  59. International Brotherhd Boilrmkrs Ir Shp Bldrs Blcksmth Frgrs & Hlpr

    EIN 510245480 · Headquarters: newark, MO, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  60. International Brotherhd of Elec Wkers Contribtg Emplyers H & W Fund

    EIN 586042175 · Headquarters: ATLANTA, GA, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990

  61. International Brotherhd-boilrmkrs Local 693

    EIN 640239865 · Headquarters: MOSS POINT, MS, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990

  62. International Brotherhood

    EIN 640321747 · Headquarters: CORINTH, MS, USA · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990

  63. International Brotherhood 1263

    EIN 591145794 · Headquarters: SAN MATEO, FL, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-EZ

  64. International Brotherhood Boilermakers 650 Lodge

    EIN 510205520 · Headquarters: LAKE CITY, MN, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-EZ

  65. International Brotherhood Boilermakers Lodge 1620

    EIN 356043499 · Headquarters: PORTLAND, IN, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-EZ

  66. International Brotherhood Elec Wkrs - LU 665

    EIN 380679206 · Headquarters: Lansing, MI, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990

  67. International Brotherhood Elec Wrkr Karen Stine President

    EIN 236296570 · Headquarters: MOUNT JOY, PA, USA · Unknown & Unclassified · Latest available filing year: 2020 · Primary form: IRS Form 990-EZ

  68. International Brotherhood Electrical 1066

    EIN 590810100 · Headquarters: PALM COAST, FL, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-EZ

  69. International Brotherhood Electrical Workers 1635 Local Union

    EIN 256058732 · Headquarters: Johnstown, PA, USA · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-EZ

  70. International Brotherhood Electrical Workers 2199 Local

    EIN 166073285 · Headquarters: WEST SENECA, NY, USA · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990

  71. International Brotherhood Electrical Workers Afl-cio 1362

    EIN 420622123 · Headquarters: CEDAR RAPIDS, IA, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990

  72. International Brotherhood Electrical Workers Local

    EIN 710329591 · Headquarters: Sheridan, AR, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-EZ

  73. International Brotherhood EW Local 191

    EIN 916037488 · Headquarters: BOTHELL, WA, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990

  74. International Brotherhood Iron Ship

    EIN 620592158 · Headquarters: DANDRIDGE, TN, USA · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-EZ

  75. International Brotherhood Iron Ship Bldr Boilermakers Local 455

    EIN 630242195 · Headquarters: MUSCLE SHOALS, AL, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990

  76. International Brotherhood Iron Ship Bldrs Boilermakers Blacksmith Forg

    EIN 256065880 · Headquarters: Ashtabula, OH, US · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-N

  77. International Brotherhood Iron Ship Bldrs Boilermakers Blacksmith Forg

    EIN 486116284 · Headquarters: Carbondale, KS, US · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-N

  78. International Brotherhood Iron Ship Bldrs Boilermakers Blacksmith Forg

    EIN 510187217 · Headquarters: Atkins, AR, US · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-N

  79. International Brotherhood Joint Council #56

    EIN 440296412 · Headquarters: TOPEKA, KS, USA · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990

  80. International Brotherhood L1040

    EIN 060669593 · Headquarters: NEWINGTON, CT, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-EZ

  81. International Brotherhood Local 1466

    EIN 314419845 · Headquarters: COLUMBUS, OH, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990

  82. International Brotherhood Local 82 Ibew

    EIN 310329975 · Headquarters: DAYTON, OH, USA · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990

  83. International Brotherhood Of

    EIN 350415484 · Headquarters: KOKOMO, IN, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990

  84. International Brotherhood Of

    EIN 590727986 · Headquarters: Nokomis, FL, USA · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990

  85. International Brotherhood of #520

    EIN 740706092 · Headquarters: AUSTIN, TX, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990

  86. International Brotherhood of 0020 Local

    EIN 752773304 · Headquarters: Grand Prairie, TX, USA · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990

  87. International Brotherhood of 0071 Local

    EIN 310684282 · Headquarters: GROVE CITY, OH, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990

  88. International Brotherhood of 0108 Local Union

    EIN 590304056 · Headquarters: TAMPA, FL, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990

  89. International Brotherhood of 0125 Local

    EIN 930196216 · Headquarters: PORTLAND, OR, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990

  90. International Brotherhood of 0199 Local

    EIN 590769520 · Headquarters: TAMPA, FL, USA · Unknown & Unclassified · Latest available filing year: 2023 · Primary form: IRS Form 990-EZ

  91. International Brotherhood of 0241 Local Union

    EIN 150347943 · Headquarters: ITHACA, NY, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990

  92. International Brotherhood of 0249

    EIN 310400555 · Headquarters: DAYTON, OH, USA · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-EZ

  93. International Brotherhood of 0375 Local

    EIN 230724603 · Headquarters: ALLENTOWN, PA, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990

  94. International Brotherhood of 0524 Local

    EIN 456013990 · Headquarters: MAPLETON, ND, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  95. International Brotherhood of 0551 Local Union

    EIN 941104872 · Headquarters: Santa Rosa, CA, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990

  96. International Brotherhood of 0596 Local

    EIN 550341809 · Headquarters: CLARKSBURG, WV, USA · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990

  97. International Brotherhood of 063 TCWH

    EIN 952985421 · Headquarters: Rialto, CA, USA · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990

  98. International Brotherhood of 0796

    EIN 630480009 · Headquarters: ASHFORD, AL, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990

  99. International Brotherhood of 087 TCWH

    EIN 950865989 · Headquarters: Bakersfield, CA, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990

  100. International Brotherhood of 1038 T

    EIN 381300151 · Headquarters: DETROIT, MI, USA · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990

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