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
- International Association of Firefighters Iaff Local 2446 Inc
EIN 510190348 · Headquarters: Palm Bay, FL, USA · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-EZ
- International Association of Firefighters L - 2664
EIN 510236700 · Headquarters: HAMPTON, NH, USA · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-EZ
- International Association of Firefighters L0354 Port Huron
EIN 386093481 · Headquarters: PORT HURON, MI, USA · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-EZ
- International Association of Firefighters L1696
EIN 870339521 · Headquarters: West Jordan, UT, USA · Unknown & Unclassified · Latest available filing year: 2023 · Primary form: IRS Form 990
- International Association of Firefighters L1974 Li
EIN 237187223 · Headquarters: LIVERMORE, CA, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990
- International Association of Firefighters L2233 Wilton
EIN 237367587 · Headquarters: WILTON, CT, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-EZ
- International Association of Firefighters L274
EIN 136144174 · Headquarters: White Plains, NY, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990
- International Association of Firefighters L2804 Cohasset
EIN 912005236 · Headquarters: COHASSET, MA, USA · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-EZ
- International Association of Firefighters L2916
EIN 911253837 · Headquarters: Spokane, WA, USA · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990
- International Association of Firefighters L33
EIN 481143719 · Headquarters: JUNCTION CITY, KS, USA · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-EZ
- International Association of Firefighters L3787 En
EIN 952568539 · Headquarters: ENCINITAS, CA, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-EZ
- International Association of Firefighters L3879
EIN 391953472 · Headquarters: Menomonee Falls, WI, US · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-N
- International Association of Firefighters L4966 Pinellas County Professiona
EIN 471625652 · Headquarters: Largo, FL, USA · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990
- International Association of Firefighters Local #293
EIN 256065865 · Headquarters: Erie, PA, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990
- International Association of Firefighters Local #5
EIN 846052007 · Headquarters: COLORADO SPRINGS, CO, USA · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990
- International Association of Firefighters Local #814
EIN 460321558 · Headquarters: SIOUX FALLS, SD, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990
- International Association of Firefighters Local 0593
EIN 876123245 · Headquarters: Vineyard, UT, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N
- International Association of Firefighters Local 1033
EIN 066084747 · Headquarters: WILLIMANTIC, CT, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-EZ
- International Association of Firefighters Local 1309
EIN 841191236 · Headquarters: Lakewood, CO, USA · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990
- International Association of Firefighters Local 135 Inc
EIN 480689347 · Headquarters: WICHITA, KS, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990
- International Association of Firefighters Local 1557
EIN 386116043 · Headquarters: Sterling Heights, MI, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990
- International Association of Firefighters Local 1647 Tewksbury
EIN 510227073 · Headquarters: TEWKSBURY, MA, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-EZ
- International Association of Firefighters Local 1795
EIN 237023960 · Headquarters: WELLESLEY, MA, USA · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-EZ
- International Association of Firefighters Local 188
EIN 941546483 · Headquarters: RICHMOND, CA, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-EZ
- International Association of Firefighters Local 1978
EIN 510227074 · Headquarters: WAYLAND, MA, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N
- International Association of Firefighters Local 202
EIN 946102226 · Headquarters: FRESNO, CA, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990
- International Association of Firefighters Local 2196 Sandwich
EIN 042616386 · Headquarters: SANDWICH, MA, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-EZ
- International Association of Firefighters Local 2398 Hingham Ma
EIN 237453947 · Headquarters: HINGHAM, MA, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-EZ
- International Association of Firefighters Local 2586
EIN 042635751 · Headquarters: DRACUT, MA, USA · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-EZ
- International Association of Firefighters Local 2734 Chico
EIN 510251042 · Headquarters: CHICO, CA, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-EZ
- International Association of Firefighters Local 2969 Brevard County Florida
EIN 592505424 · Headquarters: Rockledge, FL, USA · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990
- International Association of Firefighters Local 3200
EIN 371267697 · Headquarters: CHARLESTON, IL, USA · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-EZ
- International Association of Firefighters Local 321
EIN 396075981 · Headquarters: RACINE, WI, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990
- International Association of Firefighters Local 3219
EIN 911451942 · Headquarters: MARYSVILLE, WA, USA · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990
- International Association of Firefighters Local 3322
EIN 363746568 · Headquarters: St Charles, IL, USA · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-EZ
- International Association of Firefighters Local 335
EIN 900675711 · Headquarters: BATTLE CREEK, MI, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-EZ
- International Association of Firefighters Local 3672
EIN 912005051 · Headquarters: Highland, IL, US · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-N
- International Association of Firefighters Local 3718
EIN 710796294 · Headquarters: JONESBORO, AR, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-EZ
- International Association of Firefighters Local 46
EIN 916034311 · Headquarters: EVERETT, WA, USA · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990
- International Association of Firefighters Local 469
EIN 916054474 · Headquarters: YAKIMA, WA, USA · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-EZ
- International Association of Firefighters Local 479
EIN 866052420 · Headquarters: Tucson, AZ, USA · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990
- International Association of Firefighters Local 48
EIN 237035246 · Headquarters: CINCINNATI, OH, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990
- International Association of Firefighters Local 5256
EIN 854346466 · Headquarters: Huachuca City, AZ, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N
- International Association of Firefighters Local 718 Boston
EIN 046112075 · Headquarters: BOSTON, MA, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990
- International Association of Firefighters Local 74
EIN 396076015 · Headquarters: Superior, WI, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N
- International Association of Firefighters Local 848
EIN 510236701 · Headquarters: ATTLEBORO, MA, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-EZ
- International Association of Firefighters Local 863
EIN 042721979 · Headquarters: NEWTONVILLE, MA, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990
- International Association of Firefighters Local No 3480
EIN 311602243 · Headquarters: WESTERVILLE, OH, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-EZ
- International Association of Firefighters Local Number 29
EIN 910828693 · Headquarters: SPOKANE, WA, USA · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990
- International Association of Firefighters No 1426
EIN 066076250 · Headquarters: FAIRFIELD, CT, USA · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990
- International Association of Firefighters No 3674
EIN 911704873 · Headquarters: Ridgefield, WA, USA · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990
- International Association of Firefighters Phoenix Fire Co No 2
EIN 310992524 · Headquarters: CHILLICOTHE, OH, US · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-N
- International Association of Firefighters-local 1205
EIN 066084745 · Headquarters: EAST HAVEN, CT, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990
- International Association of Firefighters-local 2665
EIN 431185063 · Headquarters: SAINT PETERS, MO, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990
- International Association of Fireighters L0187 Pocatello
EIN 820354401 · Headquarters: Pocatello, ID, USA · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-EZ
- International Association of Forensic Nurses
EIN 113840453 · Headquarters: Elkridge, MD, US · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-N
- International Association of Forensic Nurses
EIN 260835644 · Headquarters: Elkridge, MD, US · Unknown & Unclassified · Latest available filing year: 2023 · Primary form: IRS Form 990-N
- International Association of Forensic Nurses
EIN 264700915 · Headquarters: Elkridge, MD, US · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-N
- International Association of Forensic Nurses
EIN 271341405 · Headquarters: Chaska, MN, US · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-N
- International Association of Forensic Nurses
EIN 800814336 · Headquarters: Elkridge, MD, US · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-N
- International Association of Forensic Nurses
EIN 824838463 · Headquarters: elkridge, MD, US · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-N
- International Association of Forensic Nurses
EIN 934068761 · Headquarters: Elkridge, MD, US · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-N
- International Association of Frankfort Firefighters Lcl 4338
EIN 371484059 · Headquarters: FRANKFORT, IL, USA · Unknown & Unclassified · Latest available filing year: 2021 · Primary form: IRS Form 990-EZ
- International Association of Gaming Advisors
EIN 880166431 · Headquarters: LAS VEGAS, NV, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990
- International Association of Geochemistry
EIN 480943367 · Headquarters: Oxford, OH, USA · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-EZ
- International Association of Geosyntheti
EIN 411827177 · Headquarters: Littleton, CO, USA · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-EZ
- International Association of Golf Administrators Inc
EIN 411686399 · Headquarters: HUMBLE, TX, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990
- International Association of Government Officials
EIN 431429307 · Headquarters: DUNN, NC, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990
- International Association of Heat & 51 Awia
EIN 616038500 · Headquarters: Louisville, KY, USA · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990
- International Association of Heat & Fros Insulators & Allied Workers 57 Awia
EIN 420884128 · Headquarters: LANHAM, MD, USA · Unknown & Unclassified · Latest available filing year: 2023 · Primary form: IRS Form 990-EZ
- International Association of Heat & Fros Insulators and Asbestos Workers Lo 6
EIN 041472045 · Headquarters: BOSTON, MA, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990
- International Association of Heat & Frost Asbestos
EIN 730374130 · Headquarters: OKLAHOMA CITY, OK, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990
- International Association of Heat & Frost Insulators & Allied Local 27
EIN 440337342 · Headquarters: INDEPENDENCE, MO, USA · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990
- International Association of Heat & Frost Insulators & Allied Workers
EIN 141514924 · Headquarters: Schenectady, NY, USA · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990
- International Association of Heat & Frost Insulators & Allied Workers
EIN 221732686 · Headquarters: TRENTON, NJ, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990
- International Association of Heat & Frost Insulators & Allied Workers
EIN 232333372 · Headquarters: TRENTON, NJ, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N
- International Association of Heat & Frost Insulators & Allied Workers
EIN 620442385 · Headquarters: HERMITAGE, TN, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990
- International Association of Heat & Frost Insulators & Allied Workers #48
EIN 580678860 · Headquarters: Atlanta, GA, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990
- International Association of Heat & Frost Insulators & Allied Workers L28
EIN 840339764 · Headquarters: ARVADA, CO, USA · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990
- International Association of Heat & Frost Insulators & Asbestos Worker
EIN 237004416 · Headquarters: DALLAS, TX, US · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-N
- International Association of Heat & Frost Insulators &Asbestos Workers Loca
EIN 250330105 · Headquarters: Aliquippa, PA, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990
- International Association of Heat & Frost Insulators and Allied Workers
EIN 236283938 · Headquarters: WILKESBARRE, PA, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990
- International Association of Heat & Frost Insulators and Allied Workers
EIN 620543250 · Headquarters: KNOXVILLE, TN, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990
- International Association of Heat & Frost Insulators and Asbestos Wkrs L45
EIN 344417487 · Headquarters: TOLEDO, OH, USA · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990
- International Association of Heat & Frost Insulators Local 17 Welfare Fund
EIN 362148015 · Headquarters: TINLEY PARK, IL, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990
- International Association of Heat & Frost Insulators Local 55
EIN 630275401 · Headquarters: MOBILE, AL, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990
- International Association of Heat & Frost Insulators Local 64
EIN 730679063 · Headquarters: Tulsa, OK, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990
- International Association of Heat & Frost Insulators Local 75
EIN 356076915 · Headquarters: SOUTH BEND, IN, USA · Unknown & Unclassified · Latest available filing year: 2020 · Primary form: IRS Form 990
- International Association of Heat & Frost Local #25
EIN 381115125 · Headquarters: Southfield, MI, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990
- International Association of Heat & Frost Workers Local 21
EIN 750355302 · Headquarters: DALLAS, TX, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990
- International Association of Heat & Loca
EIN 720184645 · Headquarters: KENNER, LA, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990
- International Association of Heat & Local 62 Awia
EIN 916056289 · Headquarters: BREMERTON, WA, US · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-N
- International Association of Heat 36 Awia
EIN 930115033 · Headquarters: CLACKAMAS, OR, USA · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990
- International Association of Heat and Asbestos Workers
EIN 870222439 · Headquarters: SALT LAKE CITY, UT, USA · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990
- International Association of Heat and Fr Insulators and Allied Workers Local 40 W
EIN 900286605 · Headquarters: CHERRY HILL, NJ, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990
- International Association of Heat and Frost Insulators & Asbestos Workers # 1
EIN 430337341 · Headquarters: ST LOUIS, MO, USA · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990
- International Association of Heat and Frost Insulators and Allied Workers
EIN 230724510 · Headquarters: PHILADELPHIA, PA, USA · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990
- International Association of Heat and Frost Insulators Local #81
EIN 420864740 · Headquarters: ROCK ISLAND, IL, USA · Unknown & Unclassified · Latest available filing year: 2023 · Primary form: IRS Form 990
- International Association of Heat Frost Allied Workers Local Union 91 Welfare
EIN 237086241 · Headquarters: HUDSON, NY, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990
- International Association of Heat Frost Insulators Allied Workers
EIN 237034308 · Headquarters: Sanford, ME, US · Unknown & Unclassified · Latest available filing year: 2019 · Primary form: IRS Form 990-N