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
- American Slovenian Catholic Union K S K J
EIN 250772650 · Headquarters: Joliet, IL, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N
- American Slovenian Catholic Union K S K J
EIN 396043427 · Headquarters: Joliet, IL, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N
- American Slovenian Citizens Assoc of Harmar Twp
EIN 250801531 · Headquarters: CHESWICK, PA, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-EZ
- American Small Business Institute Inc
EIN 932197585 · Headquarters: WASHINGTON, DC, USA · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-EZ
- American Small Craft Association Inc
EIN 237396609 · Headquarters: Oakland Garden, NY, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N
- American Small Manufacturers Coalit
EIN 382945771 · Headquarters: MT AIRY, MD, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990
- American Snowsports Education Association
EIN 416046975 · Headquarters: LAKEWOOD, CO, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990
- American Snowsports Education Association - Education Foundation
EIN 237191019 · Headquarters: LAKEWOOD, CO, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-T
- American Snowsports Education Association Central
EIN 391442827 · Headquarters: Frankfort, MI, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990
- American Snuff Charitable Trust
EIN 626036034 · Headquarters: BIRMINGHAM, AL, USA · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-PF
- American Soc Civil Engr SD Section
EIN 237381239 · Headquarters: San Diego, CA, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990
- American Soc of Heating Refrigerating & Air Conditioning Engineers-boston
EIN 046173585 · Headquarters: MARLBOROUGH, MA, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990
- American Soceity of Heating Refrigerating & AC Eng
EIN 751360707 · Headquarters: Dallas, TX, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990
- American Social and Engineering
EIN 822675592 · Headquarters: Leesburg, VA, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-EZ
- American Social History Productions Incorporated
EIN 133261663 · Headquarters: NEW YORK, NY, USA · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-EZ
- American Society for Adolescent Psychiatry (ASAP)
EIN 237094782 · Headquarters: Wilmington, DE, USA · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-EZ
- American Society for Apheresis
EIN 363146061 · Headquarters: Vancouver, BC, CA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990
- American Society for Artificial Internal Organs Inc
EIN 236400773 · Headquarters: BEVERLY, MA, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990
- American Society for Automation in Pharmacy
EIN 232544907 · Headquarters: BLUE BELL, PA, USA · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990
- American Society for Bone and Mineral Research
EIN 431123207 · Headquarters: WASHINGTON, DC, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990
- American Society for Clinical Lab Science-Hawaii C/o Lynn Nakahara
EIN 996009939 · Headquarters: WAIPAHU, HI, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-EZ
- American Society for Clinical Labor Atory Science
EIN 310921775 · Headquarters: Lexington, KY, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N
- American Society for Clinical Laboratory Laboratory Science
EIN 741091114 · Headquarters: DUNDEE, MI, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990
- American Society for Clinical Laboratory Science
EIN 046109337 · Headquarters: Rumford, RI, US · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-N
- American Society for Clinical Laboratory Science
EIN 226063883 · Headquarters: CHESTERFIELD, NJ, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N
- American Society for Clinical Laboratory Science
EIN 236297611 · Headquarters: Sinking Spring, PA, US · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-N
- American Society for Clinical Laboratory Science
EIN 237040551 · Headquarters: Portland, ME, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N
- American Society for Clinical Laboratory Science
EIN 237044858 · Headquarters: Tiffin, IA, US · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-N
- American Society for Clinical Laboratory Science
EIN 237080235 · Headquarters: SIOUX FALLS, SD, US · Unknown & Unclassified · Latest available filing year: 2020 · Primary form: IRS Form 990-N
- American Society for Clinical Laboratory Science
EIN 237082314 · Headquarters: McLean, VA, US · Unknown & Unclassified · Latest available filing year: 2021 · Primary form: IRS Form 990-N
- American Society for Clinical Laboratory Science
EIN 237082452 · Headquarters: Salisbury, MD, US · Unknown & Unclassified · Latest available filing year: 2020 · Primary form: IRS Form 990-N
- American Society for Clinical Laboratory Science
EIN 237082453 · Headquarters: Okemos, MI, US · Unknown & Unclassified · Latest available filing year: 2021 · Primary form: IRS Form 990-N
- American Society for Clinical Laboratory Science
EIN 237082579 · Headquarters: san bernardino, CA, US · Unknown & Unclassified · Latest available filing year: 2019 · Primary form: IRS Form 990-N
- American Society for Clinical Laboratory Science
EIN 237211963 · Headquarters: Pocatello, ID, US · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-N
- American Society for Clinical Laboratory Science
EIN 237420637 · Headquarters: Charleston, SC, US · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-N
- American Society for Clinical Laboratory Science
EIN 237433143 · Headquarters: Hamilton, MT, US · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-N
- American Society for Clinical Laboratory Science
EIN 366105025 · Headquarters: SPRINGFIELD, IL, US · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-N
- American Society for Clinical Laboratory Science
EIN 386069434 · Headquarters: Troy, MI, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-EZ
- American Society for Clinical Laboratory Science
EIN 396074990 · Headquarters: Franklin, WI, US · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-N
- American Society for Clinical Laboratory Science
EIN 436049714 · Headquarters: Shawnee, KS, US · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-N
- American Society for Clinical Laboratory Science
EIN 456022221 · Headquarters: Grand Forks, ND, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N
- American Society for Clinical Laboratory Science
EIN 486117895 · Headquarters: BELLE PLAINE, KS, US · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-N
- American Society for Clinical Laboratory Science
EIN 510274093 · Headquarters: Wilmington, DE, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N
- American Society for Clinical Laboratory Science
EIN 566088757 · Headquarters: Chapel Hill, NC, US · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-N
- American Society for Clinical Laboratory Science
EIN 586035816 · Headquarters: Powder Springs, GA, US · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-N
- American Society for Clinical Laboratory Science
EIN 620797814 · Headquarters: Nashville, TN, US · Unknown & Unclassified · Latest available filing year: 2022 · Primary form: IRS Form 990-N
- American Society for Clinical Laboratory Science
EIN 726029548 · Headquarters: Zachary, LA, US · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-N
- American Society for Clinical Laboratory Science
EIN 746045497 · Headquarters: New Braunfels, TX, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N
- American Society for Clinical Laboratory Science
EIN 860218119 · Headquarters: PHOENIX, AZ, USA · Unknown & Unclassified · Latest available filing year: 2022 · Primary form: IRS Form 990-EZ
- American Society for Clinical Laboratory Science
EIN 936030603 · Headquarters: Canby, OR, US · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-N
- American Society for Clinical Laboratory Science - Education & Research Fund
EIN 746051435 · Headquarters: DUNDEE, MI, US · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-N
- American Society for Clinical Laboratory Science - Indiana
EIN 237053084 · Headquarters: Indianapolis, IN, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N
- American Society for Clinical Laboratory Science Region Ix
EIN 237082578 · Headquarters: Mercer Island, WA, USA · Unknown & Unclassified · Latest available filing year: 2022 · Primary form: IRS Form 990-EZ
- American Society for Clinical Laboratory Science Washington
EIN 911141434 · Headquarters: Spokane, WA, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N
- American Society for Clinical Laboratory Science Washington
EIN 911141454 · Headquarters: Spokane, WA, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N
- American Society for Clinical Laboratory Science Washington
EIN 911141455 · Headquarters: Spokane, WA, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N
- American Society for Clinical Laboratory Science Washington
EIN 916058184 · Headquarters: Spokane, WA, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-EZ
- American Society for Clinical Laboratory Science-Minnesota
EIN 416054869 · Headquarters: Lakeville, MN, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-EZ
- American Society for Clinical Pathology
EIN 362406080 · Headquarters: CHICAGO, IL, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990
- American Society for Clinical Pharmacology & Therapeutics
EIN 231682043 · Headquarters: ALEXANDRIA, VA, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990
- American Society for Composites
EIN 311136469 · Headquarters: KETTERING, OH, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-EZ
- American Society for Concrete Contractors
EIN 362582617 · Headquarters: ST LOUIS, MO, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990
- American Society for Cybernetics
EIN 237000738 · Headquarters: Waterloo, WI, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N
- American Society for Cytology Inc
EIN 371069120 · Headquarters: RALEIGH, NC, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-EZ
- American Society for Deaf Children
EIN 521297104 · Headquarters: WOODBINE, MD, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990
- American Society for Dental Aesthetics Inc
EIN 133141753 · Headquarters: COLUMBUS, OH, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990
- American Society for Dental Ethics
EIN 550743705 · Headquarters: Lake Oswego, OR, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N
- American Society for Engineering Education
EIN 370730118 · Headquarters: Washington, DC, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990
- American Society for Engineering Ma
EIN 901107492 · Headquarters: HUNTSVILLE, AL, USA · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990
- American Society for Enology & Viticulture Eastern Section
EIN 161453108 · Headquarters: FAYETTEVILLE, AR, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-EZ
- American Society for Enology and Viticulture
EIN 946089508 · Headquarters: DAVIS, CA, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990
- American Society for Environmental History
EIN 840960966 · Headquarters: HELENA, MT, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990
- American Society for Histocompatibility and Immunogenetics
EIN 510173356 · Headquarters: Turnersville, NJ, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990
- American Society For Industrial Security ASIS Boston Chapter
EIN 042612424 · Headquarters: Burlington, MA, USA · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-EZ
- American Society for Kurds Inc
EIN 921417925 · Headquarters: Tallahassee, FL, US · Unknown & Unclassified · Latest available filing year: 2023 · Primary form: IRS Form 990-N
- American Society for Legal History Inc
EIN 237225358 · Headquarters: MISSOULA, MT, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990
- American Society for Long Term Care Nurses
EIN 232620963 · Headquarters: Upper Black Eddy, PA, US · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-N
- American Society for Microbiology
EIN 474794310 · Headquarters: Denton, TX, US · Unknown & Unclassified · Latest available filing year: 2015 · Primary form: IRS Form 990-N
- American Society for Mohs Surgery
EIN 330445634 · Headquarters: NORCROSS, GA, USA · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990
- American Society for Netherlands Philately
EIN 432088918 · Headquarters: Muscatine, IA, US · Unknown & Unclassified · Latest available filing year: 2013 · Primary form: IRS Form 990-N
- American Society for Neurochemistry
EIN 237036552 · Headquarters: NEWTON HIGHLANDS, MA, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990
- American Society for Nondestructive Testing Northeast Florida Section
EIN 452625897 · Headquarters: Elkton, FL, US · Unknown & Unclassified · Latest available filing year: 2015 · Primary form: IRS Form 990-N
- American Society for Pain Management Nursing-New York City Chapter
EIN 134036450 · Headquarters: Little Neck, NY, USA · Unknown & Unclassified · Latest available filing year: 2022 · Primary form: IRS Form 990-EZ
- American Society for Pharmacology & Experimental Therapeutics Incorporated
EIN 586032060 · Headquarters: ROCKVILLE, MD, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990
- American Society for Pharmacy Law Inc
EIN 521250852 · Headquarters: Albany, NY, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990
- American Society for Photogrammetry and Remote Sensing Inc
EIN 753029338 · Headquarters: Bethesda, MD, US · Unknown & Unclassified · Latest available filing year: 2019 · Primary form: IRS Form 990-N
- American Society for Political and Legal Philosophy
EIN 591755767 · Headquarters: Charlottesville, VA, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N
- American Society for Precision Engineering Inc
EIN 561483790 · Headquarters: CHARLOTTE, NC, USA · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990
- American Society for Psychical Research Inc
EIN 131655205 · Headquarters: NEW YORK, NY, USA · Unknown & Unclassified · Latest available filing year: 2023 · Primary form: IRS Form 990
- American Society for Public Administration
EIN 454117697 · Headquarters: WASHINGTON, DC, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N
- American Society for Public Administration
EIN 454820732 · Headquarters: WASHINGTON, DC, US · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-N
- American Society for Public Administration
EIN 463221646 · Headquarters: WASHINGTON, DC, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N
- American Society for Public Administration
EIN 474066234 · Headquarters: WASHINGTON, DC, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N
- American Society for Public Administration
EIN 474709724 · Headquarters: WASHINGTON, DC, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N
- American Society for Public Administration
EIN 521204132 · Headquarters: WASHINGTON, DC, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N
- American Society for Public Administration
EIN 521204194 · Headquarters: WASHINGTON, DC, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N
- American Society for Public Administration
EIN 521204206 · Headquarters: WASHINGTON, DC, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N
- American Society for Public Administration
EIN 521204213 · Headquarters: Washington, DC, US · Unknown & Unclassified · Latest available filing year: 2022 · Primary form: IRS Form 990-N
- American Society for Public Administration
EIN 521204224 · Headquarters: WASHINGTON, DC, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N
- American Society for Public Administration
EIN 521204238 · Headquarters: WASHINGTON, DC, US · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-N