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. Intl Assn Firefighters Broken Arrow Local 2551

    EIN 731485066 · Headquarters: BROKEN ARROW, OK, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990

  2. Intl Assn Heat & Frost Insulators

    EIN 510080312 · Headquarters: NEW CASTLE, DE, USA · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990

  3. Intl Assn of Fire Fighters 2557

    EIN 510209371 · Headquarters: SALEM, OR, USA · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-EZ

  4. Intl Assn of Fire Fighters 314 Iaff

    EIN 936033820 · Headquarters: SALEM, OR, USA · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990

  5. Intl Assn of Fire Fighters-morristown Prof Fire Fighters Assn Local 3836

    EIN 621762392 · Headquarters: MORRISTOWN, TN, US · Unknown & Unclassified · Latest available filing year: 2022 · Primary form: IRS Form 990-N

  6. Intl Assn of Firefighteres Local 1264

    EIN 926002196 · Headquarters: Anchorage, AK, USA · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990

  7. Intl Assn of Firefighters 3444

    EIN 912005242 · Headquarters: Tallahassee, FL, USA · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-EZ

  8. Intl Assn of Firefighters L-3105 Arlington Hts

    EIN 362934996 · Headquarters: Mount Prospect, IL, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-EZ

  9. Intl Assn of Firefighters L-3271 North Chicago

    EIN 363689992 · Headquarters: North Chicago, IL, USA · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-EZ

  10. Intl Assn of Firefighters L-4119 Mt Prospect

    EIN 010738728 · Headquarters: Mt Prospect, IL, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-EZ

  11. Intl Assn of Firefighters Local 136

    EIN 310242575 · Headquarters: DAYTON, OH, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990

  12. Intl Assn of Firefighters Local 1371

    EIN 486116346 · Headquarters: MISSION, KS, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-EZ

  13. Intl Assn of Firefighters Oxnard Local 1684

    EIN 237419466 · Headquarters: Oxnard, CA, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990

  14. Intl Assn of Heat Frost Insulators Local Union 39

    EIN 470438021 · Headquarters: OMAHA, NE, USA · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990

  15. Intl Assn of Hospitality Accountant Southern California Desert Chapter

    EIN 330256097 · Headquarters: PALM DESERT, CA, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990

  16. Intl Assn of Lions - Susquehanna Lions Club Dist 14-C

    EIN 236296654 · Headquarters: MOUNT WOLF, PA, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-EZ

  17. Intl Assn of Lions Clubs 1225 Del Rio San Felipe

    EIN 742518439 · Headquarters: DEL RIO, TX, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990

  18. Intl Assn of Lions Clubs Pa State

    EIN 236296767 · Headquarters: HARRISBURG, PA, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990

  19. Intl Assn of Lions-grey Eagle-burtrum

    EIN 411445669 · Headquarters: GREY EAGLE, MN, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990

  20. Intl Assn of Machinists & Aerospace Workers

    EIN 396055823 · Headquarters: Waterford, WI, USA · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-EZ

  21. Intl Assn of Machinists & Aerospace Workers Local Lodge I-460

    EIN 461495208 · Headquarters: Aberdeen, MD, USA · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-EZ

  22. Intl Assn of Ministers & Ministries Inc

    EIN 954023564 · Headquarters: ROSEVILLE, CA, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990

  23. Intl Assoc Firefighters L4646-oak Brook Associated Firefighters of Oak Brook

    EIN 261917582 · Headquarters: OAK BROOK, IL, US · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-N

  24. Intl Assoc Firefighters Local 1716

    EIN 237283562 · Headquarters: Santa Cruz, CA, USA · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-EZ

  25. Intl Assoc Insulators and Asbestos Work Local 85 Va

    EIN 541888753 · Headquarters: CANONSBURG, PA, USA · Unknown & Unclassified · Latest available filing year: 2018 · Primary form: IRS Form 990-EZ

  26. Intl Assoc of Aerospace Machinists and Workeres District Lodge 751

    EIN 910267919 · Headquarters: Seattle, WA, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990

  27. Intl Assoc of Approved Basketball Officials Found

    EIN 061068478 · Headquarters: WESTMINSTER, MD, USA · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-EZ

  28. Intl Assoc of Approved Basketball Officials Inc

    EIN 520739612 · Headquarters: CARLISLE, PA, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990

  29. Intl Assoc of Bridge Reinforcing Iron Workers

    EIN 910267899 · Headquarters: Spokane Valley, WA, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990

  30. Intl Assoc of Bridge Structural & Ornamental Iron Workers - Hall

    EIN 720318078 · Headquarters: BATON ROUGE, LA, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990

  31. Intl Assoc of Bridge Structural and Ornamental Ironworkers Local 89

    EIN 420336965 · Headquarters: CEDAR RAPIDS, IA, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990

  32. Intl Assoc of Bridge Structural Ornament and Reinforcing Ironworkers Local 782

    EIN 610536221 · Headquarters: PADUCAH, KY, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990

  33. Intl Assoc of Electrical Inspectors

    EIN 237282410 · Headquarters: PEABODY, MA, USA · Unknown & Unclassified · Latest available filing year: 2020 · Primary form: IRS Form 990-EZ

  34. Intl Assoc of Fire Fighters #964 Iaff

    EIN 526044979 · Headquarters: Baltimore, MD, USA · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990

  35. Intl Assoc of Fire Fighters Lo 372 Long Beach

    EIN 956096691 · Headquarters: SIGNAL HILL, CA, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990

  36. Intl Assoc of Fire Fighters Lo336

    EIN 316050812 · Headquarters: MIDDLETOWN, OH, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  37. Intl Assoc of Fire Fighters Local 1073

    EIN 066084746 · Headquarters: Middletown, CT, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-EZ

  38. Intl Assoc of Fire Fighters Local 1132

    EIN 546045719 · Headquarters: ROANOKE, VA, USA · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990

  39. Intl Assoc of Fire Fighters Local 34

    EIN 716057157 · Headquarters: LITTLE ROCK, AR, USA · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990

  40. Intl Assoc of Fire Fighters-baytown C/o Chloe Matula

    EIN 746063400 · Headquarters: BAYTOWN, TX, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990

  41. Intl Assoc of Firefighters

    EIN 916053937 · Headquarters: RENTON, WA, USA · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990

  42. Intl Assoc of Firefighters 1568

    EIN 546065175 · Headquarters: Henrico, VA, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990

  43. Intl Assoc of Firefighters 317

    EIN 556028772 · Headquarters: Charleston, WV, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990

  44. Intl Assoc of Firefighters 995

    EIN 546052366 · Headquarters: Richmond, VA, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990

  45. Intl Assoc of Firefighters A3

    EIN 866056409 · Headquarters: PHOENIX, AZ, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990

  46. Intl Assoc of Firefighters F-53

    EIN 956091977 · Headquarters: Edwards, CA, US · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-N

  47. Intl Assoc of Firefighters L1257

    EIN 916049251 · Headquarters: SEATAC, WA, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990

  48. Intl Assoc of Firefighters L2505 Killeen (Killeen Prof Ff Assoc

    EIN 510190362 · Headquarters: KILLEEN, TX, USA · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990

  49. Intl Assoc of Firefighters Lcl 3005 Bolingbrook

    EIN 363286157 · Headquarters: BOLINGBROOK, IL, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990

  50. Intl Assoc of Firefighters Lcl 4560

    EIN 371577961 · Headquarters: PLAINFIELD, IL, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-EZ

  51. Intl Assoc of Firefighters Local #1499

    EIN 836006580 · Headquarters: ROCK SPRINGS, WY, USA · Unknown & Unclassified · Latest available filing year: 2021 · Primary form: IRS Form 990-EZ

  52. Intl Assoc of Firefighters Local 1739 Ridgefield

    EIN 222994154 · Headquarters: RIDGEFIELD, CT, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990

  53. Intl Assoc of Firefighters Local Meriden Firefighters Local 1148

    EIN 066045610 · Headquarters: MERIDEN, CT, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-EZ

  54. Intl Assoc of Heat & Frost Insulators & Allied Wkrs #13

    EIN 591086811 · Headquarters: JACKSONVILLE, FL, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  55. Intl Assoc of Heat & Frost Insulators & Allied Workers

    EIN 620628578 · Headquarters: MEMPHIS, TN, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990

  56. Intl Assoc of Heat & Frost Insulators & Allied Workers Local

    EIN 631149541 · Headquarters: GOODLETTSVILLE, TN, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990

  57. Intl Assoc of Heat & Frost Insulators and Allied Workers Local 19

    EIN 390137350 · Headquarters: PEWAUKEE, WI, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990

  58. Intl Assoc of Heat and Frost Insulators & Allied Workers Local 7 Mortuary P

    EIN 910993132 · Headquarters: TUKWILA, WA, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-EZ

  59. Intl Assoc of Heat and Frost Insulators and Allied Workers Local Union 23

    EIN 231582722 · Headquarters: GRANTVILLE, PA, USA · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990

  60. Intl Assoc of Iron Workers Local 155

    EIN 940578605 · Headquarters: FRESNO, CA, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990

  61. Intl Assoc of Jeddo Lions Club Club

    EIN 386111306 · Headquarters: JEDDO, MI, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-EZ

  62. Intl Assoc of Law Enforce Planners

    EIN 431569519 · Headquarters: CHANDLER, AZ, USA · Unknown & Unclassified · Latest available filing year: 2022 · Primary form: IRS Form 990-EZ

  63. Intl Assoc of Lions - Greenville

    EIN 237390483 · Headquarters: GREENVILLE, WI, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-EZ

  64. Intl Assoc of Lions - Waynesburg

    EIN 256078769 · Headquarters: WAYNESBURG, PA, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-EZ

  65. Intl Assoc of Lions 4474 Armada

    EIN 237238396 · Headquarters: ARMADA, MI, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-EZ

  66. Intl Assoc of Lions 5055 Red Bank

    EIN 626163748 · Headquarters: Chattanooga, TN, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-EZ

  67. Intl Assoc of Lions Clubs

    EIN 472758812 · Headquarters: Galt, CA, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  68. Intl Assoc of Lions Clubs 1389 Lufkin Host Lions Club

    EIN 756050515 · Headquarters: LUFKIN, TX, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-EZ

  69. Intl Assoc of Lions Clubs Orange City

    EIN 596153479 · Headquarters: Orange City, FL, US · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-N

  70. Intl Assoc of Lions Fraser

    EIN 237420833 · Headquarters: FRASER, MI, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-EZ

  71. Intl Assoc of Lions Moscow Mills

    EIN 431477100 · Headquarters: MOSCOW MILLS, MO, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990

  72. Intl Assoc of Lions-merrill Lions

    EIN 396095343 · Headquarters: MERRILL, WI, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-EZ

  73. Intl Assoc of Richmond Local 1408

    EIN 351341447 · Headquarters: RICHMOND, IN, USA · Unknown & Unclassified · Latest available filing year: 2020 · Primary form: IRS Form 990-EZ

  74. Intl Assoc of Shrine Yacht Clubs

    EIN 010877308 · Headquarters: Henderson, NV, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  75. Intl Association Bridge Strctrl Ironworkers Local 28

    EIN 540411709 · Headquarters: MIDLOTHIAN, VA, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990

  76. Intl Association of Bridge Structural Ornamental Ironworkers Local 58

    EIN 720219814 · Headquarters: BATON ROUGE, LA, USA · Unknown & Unclassified · Latest available filing year: 2019 · Primary form: IRS Form 990

  77. INTL ASSOCIATION OF FIRE FIGHTERS Key Peninsula Local Firefighters 3152

    EIN 911563040 · Headquarters: Vaughn, WA, USA · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-EZ

  78. Intl Association of Fire Fighters Local 1252

    EIN 386088171 · Headquarters: Taylor, MI, USA · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990

  79. Intl Association of Fire Fighters Local 2369

    EIN 237428107 · Headquarters: SHOREWOOD, IL, USA · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-EZ

  80. Intl Association of Fire Sm Firefighters Local 2020

    EIN 237183402 · Headquarters: SANTA MARIA, CA, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-EZ

  81. Intl Association of Firefighters

    EIN 916032503 · Headquarters: Tacoma, WA, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990

  82. Intl Association of Firefighters

    EIN 926003293 · Headquarters: FAIRBANKS, AK, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-EZ

  83. Intl Association of Firefighters L

    EIN 596177386 · Headquarters: Hollywood, FL, USA · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990

  84. Intl Association of Firefighters Local 1440

    EIN 391810040 · Headquarters: MILWAUKEE, WI, USA · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-EZ

  85. Intl Association of Heat and Frost Local 49 Awia

    EIN 416038044 · Headquarters: HERMANTOWN, MN, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990

  86. Intl Association of Lions Bel Air Lions Club

    EIN 526066271 · Headquarters: Bel Air, MD, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-EZ

  87. Intl Association of Lions Roscoe 271

    EIN 237343211 · Headquarters: ROSCOE, IL, USA · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-EZ

  88. Intl Association of Sheet Metal Air Rail & Transportation 1706 Td

    EIN 932613250 · Headquarters: KANSAS CITY, MO, US · Unknown & Unclassified · Latest available filing year: 2023 · Primary form: IRS Form 990-N

  89. Intl Brhd Boilrmkrs Et Al Local 449

    EIN 390287153 · Headquarters: Sturgeon Bay, WI, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-EZ

  90. Intl Brotherhood - Boilermakers #900

    EIN 340079905 · Headquarters: BARBERTON, OH, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990

  91. Intl Brotherhood Electrical Workers 1919 Joint Apprt & Training Trust Fund

    EIN 251651139 · Headquarters: MOUNT LAUREL, NJ, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-EZ

  92. Intl Brotherhood Electrical Workers Ibew Local 53

    EIN 440525654 · Headquarters: KANSAS CITY, MO, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990

  93. Intl Brotherhood Electrical Workers Local 17 Health and Welfare Fund

    EIN 237080551 · Headquarters: TROY, MI, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990

  94. Intl Brotherhood of Boilemakers Iron ShipbuildersBlacksmiths Local 101

    EIN 840360331 · Headquarters: Denver, CO, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990

  95. Intl Brotherhood of Boilermakers Iron National Transient District Lodge

    EIN 842454543 · Headquarters: HENDERSONVILLE, TN, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990

  96. Intl Brotherhood of Boilermakers Iron S

    EIN 710412110 · Headquarters: SLIDELL, LA, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990

  97. Intl Brotherhood of Boilermakers Iron Ship Builders Blacksmith

    EIN 246021292 · Headquarters: Effort, PA, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  98. Intl Brotherhood of Boilermakers Iron Shipbuilders Blacksmiths Forg

    EIN 844902417 · Headquarters: Floral City, FL, US · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-N

  99. Intl Brotherhood of Boilermakers Iron Shipbuildersafl-cio Local 27

    EIN 430187740 · Headquarters: ST LOUIS, MO, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990

  100. Intl Brotherhood of Boilermakers Iron Shpbldrs Blacksmiths & Helper

    EIN 540699548 · Headquarters: RICHMOND, VA, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990

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