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
- Society for the Care of Buffalo Cemetery
EIN 546137691 · Headquarters: Lynchburg, VA, US · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-N
- Society for the Care of South Cemetery
EIN 026012755 · Headquarters: PORTSMOUTH, NH, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990
- Society for the Education of American Sailors
EIN 222355223 · Headquarters: BUDD LAKE, NJ, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-PF
- Society for the Experimental Analysis of Behavior Inc
EIN 351088740 · Headquarters: HOUSTON, TX, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990
- Society for the Exploration of Psychotherapy Integration
EIN 112707960 · Headquarters: MESA, AZ, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990
- Society for the Fulfillment of Living Inc
EIN 521242293 · Headquarters: Baltimore, MD, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N
- Society for the Furtherance & Study of Fantasy & Science Fiction
EIN 391256799 · Headquarters: Madison, WI, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-EZ
- Society for the Hist Pres of the 26Th N C State Troops
EIN 581534627 · Headquarters: Greensboro, NC, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N
- Society for the Historic Preservation of the City of Lawren
EIN 270895547 · Headquarters: Lawrenceburg, KY, US · Unknown & Unclassified · Latest available filing year: 2009 · Primary form: IRS Form 990-N
- Society for the History of Czechoslovak Jews Inc
EIN 116037226 · Headquarters: New York, NY, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N
- Society for the History of Discoveries
EIN 237214274 · Headquarters: Denver, CO, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N
- Society for the History of Medicine and the Health Professions
EIN 710559003 · Headquarters: Little Rock, AR, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N
- Society for the History of Technology
EIN 346556108 · Headquarters: Kirksville, MO, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990
- Society for the History of the Germans in Maryland
EIN 526057226 · Headquarters: Columbia, MD, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N
- Society for the Investigation of Early Pregnancy Inc a Non-profit C
EIN 223463110 · Headquarters: NEW YORK, NY, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N
- Society for the Lost Arts
EIN 472132834 · Headquarters: Chicago, IL, US · Unknown & Unclassified · Latest available filing year: 2016 · Primary form: IRS Form 990-N
- Society for the Preservation & Apprec of Antique Motor Fire App
EIN 166070020 · Headquarters: NORTH CHARLESTON, SC, US · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-N
- Society for the Preservation & Encouragement of Barbershop Quartet Singing
EIN 376031430 · Headquarters: BLOOMINGTON, IL, USA · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-EZ
- Society for the Preservation & Encr
EIN 870470142 · Headquarters: SALT LAKE CITY, UT, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N
- Society for the Preservation and Advancement of Judaic Studies Inc
EIN 593206577 · Headquarters: Madeira Beach, FL, US · Unknown & Unclassified · Latest available filing year: 2012 · Primary form: IRS Form 990-N
- Society for the Preservation and En Couragement of Barbershop Quartet
EIN 562379882 · Headquarters: The Villages, FL, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N
- Society for the Preservation and Encouragement of Barbershop
EIN 316051156 · Headquarters: Columbus, OH, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N
- Society for the Preservation and Encouragement of Barbershop Quart
EIN 046114800 · Headquarters: Housatonic, MA, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N
- Society for the Preservation and Encouragement of Barbershop Quart
EIN 060851877 · Headquarters: Stratford, CT, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N
- Society for the Preservation and Encouragement of Barbershop Quart
EIN 272531574 · Headquarters: MOUNT SIDNEY, VA, US · Unknown & Unclassified · Latest available filing year: 2018 · Primary form: IRS Form 990-N
- Society for the Preservation and Encouragement of Barbershop Quart
EIN 386092137 · Headquarters: Flushing, MI, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N
- Society for the Preservation and Encouragement of Barbershop Quart
EIN 586067085 · Headquarters: Evans, GA, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N
- Society for the Preservation and Encouragement of Barbershop Quart
EIN 900391541 · Headquarters: Bay City, TX, US · Unknown & Unclassified · Latest available filing year: 2022 · Primary form: IRS Form 990-N
- Society for the Preservation and Encouragement of Barbershop Quarte
EIN 204174306 · Headquarters: Vestavia Hills, AL, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N
- Society for the Preservation and Encouragement of Barbershop Quartet Singing in America
EIN 746057576 · Headquarters: Webster, TX, USA · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-EZ
- Society for the Preservation and Encouragment of Barbershop Quartet
EIN 262627541 · Headquarters: Grove City, PA, US · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-N
- Society for the Preservation and Use of Resources Inc
EIN 356089747 · Headquarters: Richmond, IN, US · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-N
- Society for the Preservation of Belle Haven Cemeteries Inc
EIN 540755431 · Headquarters: BELLE HAVEN, VA, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990
- Society for the Preservation of Culpeper History Inc
EIN 142001735 · Headquarters: Culpeper, VA, US · Unknown & Unclassified · Latest available filing year: 2020 · Primary form: IRS Form 990-N
- Society for the Preservation of Drum Barracks
EIN 956130123 · Headquarters: WILMINGTON, CA, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N
- Society for the Preservation of Locustville Academy
EIN 541239892 · Headquarters: Onley, VA, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N
- Society for the Preservation of Metompkin District
EIN 546044398 · Headquarters: PARKSLEY, VA, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990
- Society for the Preservation of Onancock Cemeteries Inc
EIN 237035309 · Headquarters: ACCOMAC, VA, USA · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990
- Society for the Preservation of Oral Health
EIN 730741338 · Headquarters: CABOT, AR, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-EZ
- Society for the Preservation of the Gruber Wagon Works
EIN 232268628 · Headquarters: LEESPORT, PA, USA · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-PF
- Society for the Preservation of the Old Meeting House in Webster Nh
EIN 026007291 · Headquarters: Webster, NH, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N
- Society for the Preservation of Wamplers Lake Inc
EIN 862010231 · Headquarters: Brooklyn, MI, US · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-N
- Society for the Preservaton & Encouragment Of
EIN 366124992 · Headquarters: Forreston, IL, US · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-N
- Society for the Prevention of Cruelty to Animals
EIN 742119232 · Headquarters: LIVINGSTON, TX, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990
- Society for the Prevention of Cruelty to Animals and Humane Cente
EIN 570748090 · Headquarters: SUMTER, SC, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-EZ
- Society for the Prevention of Cruelty to Animals of Manatee County Inc
EIN 590826963 · Headquarters: BRADENTON, FL, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-PF
- Society for the Prevention of Cruelty to Animals of Northern Nv
EIN 880386601 · Headquarters: RENO, NV, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990
- Society for the Protection and Care of Wildlife
EIN 954160756 · Headquarters: Hesperia, CA, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N
- Society for the Psychological Study of Social Issues
EIN 381614481 · Headquarters: WASHINGTON, DC, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990
- Society for the Relief of Destitute Orphan Boys
EIN 720408986 · Headquarters: NEW ORLEANS, LA, USA · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-PF
- Society for the Relief of the Deceased & Disabled
EIN 576021204 · Headquarters: JOHNS ISLAND, SC, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-PF
- Society for the Relief of Women and Children
EIN 136161272 · Headquarters: NEW YORK, NY, USA · Unknown & Unclassified · Latest available filing year: 2023 · Primary form: IRS Form 990-PF
- Society for the Research and Application of Nanlaoshu Inc
EIN 133473689 · Headquarters: New York, NY, USA · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-EZ
- Society for the Scientific Study of Religion
EIN 066070053 · Headquarters: GERMANTOWN, MD, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990
- Society for the Study of Amphibians and Reptiles (Ssar)
EIN 480939873 · Headquarters: RODEO, NM, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990
- Society for the Study of Myth and Tradition Inc
EIN 237425243 · Headquarters: LINCOLNDALE, NY, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990
- Society for the Study of Narrative Literature
EIN 382975160 · Headquarters: Columbus, OH, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N
- Society for the Study of Qabala
EIN 411346498 · Headquarters: Minneapolis, MN, US · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-N
- Society for the Study of Symbolic Interaction
EIN 391265692 · Headquarters: MACOMB, IL, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-PF
- Society for the Technological Advancement of Reporting Inc
EIN 593308744 · Headquarters: JUPITER, FL, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990
- Society for Theriogenology
EIN 237101860 · Headquarters: PROVIDENCE, RI, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990
- Society for Turkish Classical Music Inc
EIN 825481753 · Headquarters: ITHACA, NY, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N
- Society for Values in Higher Education
EIN 060676313 · Headquarters: BOWLING GREEN, KY, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990
- Society for Vascular Nursing
EIN 311609723 · Headquarters: ROSEMONT, IL, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-EZ
- Society for Vascular Surgery
EIN 222990719 · Headquarters: ROSEMONT, IL, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990
- Society for Women in Marine Science Inc
EIN 845004785 · Headquarters: barnstable, MA, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N
- Society Fraternals of Miners
EIN 370714361 · Headquarters: COELLO, IL, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990
- Society Helpers of Holy Souls
EIN 362174833 · Headquarters: Chicago, IL, US · Unknown & Unclassified · Latest available filing year: 2007 · Primary form: IRS Form 990-N
- Society Hill Civic Association
EIN 236446186 · Headquarters: PHILADELPHIA, PA, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990
- Society Hill Fund
EIN 237113442 · Headquarters: Philadelphia, PA, USA · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990
- Society in Dedham for Apprehending Horse Thieves
EIN 046086784 · Headquarters: Dedham, MA, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N
- Society Multivariate Experimantel Pyschology
EIN 756043094 · Headquarters: NEW YORK, NY, USA · Unknown & Unclassified · Latest available filing year: 2023 · Primary form: IRS Form 990-PF
- Society of Accountants North Carolina
EIN 566093516 · Headquarters: CONOVER, NC, US · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-N
- Society of Accredited Marine Surveyors
EIN 593084806 · Headquarters: JACKSONVILLE, FL, USA · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990
- Society of Actuaries Research Institute
EIN 362136422 · Headquarters: CHICAGO, IL, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990
- Society of Air Force Nurses Inc
EIN 742401710 · Headquarters: San Antonio, TX, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990
- Society of Airway Pioneers
EIN 956095726 · Headquarters: Chestertown, MD, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N
- Society of Alabama Archivists
EIN 630824712 · Headquarters: Montgomery, AL, US · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-N
- Society of Alabama Retirees Inc
EIN 631066790 · Headquarters: MONTGOMERY, AL, US · Unknown & Unclassified · Latest available filing year: 2023 · Primary form: IRS Form 990-N
- Society of Allied Weight Engineers Inc
EIN 956095725 · Headquarters: Long Beach, CA, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990
- Society of Amateur Radio Astronomers
EIN 630942523 · Headquarters: Wilmington, NC, US · Unknown & Unclassified · Latest available filing year: 2023 · Primary form: IRS Form 990-N
- Society of American Federal Medical Laboratory Scientists Inc
EIN 237194618 · Headquarters: JACKSONVILLE, NC, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N
- Society of American Florists and Ornamental Horticulturists
EIN 530239132 · Headquarters: ALEXANDRIA, VA, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990
- Society of American Foresters
EIN 237056241 · Headquarters: Idaho City, ID, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N
- Society of American Foresters
EIN 237064992 · Headquarters: Talmoon, MN, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N
- Society of American Foresters
EIN 237065205 · Headquarters: Lufkin, TX, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N
- Society of American Foresters
EIN 237065210 · Headquarters: McCleary, WA, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-EZ
- Society of American Foresters
EIN 237066766 · Headquarters: Woodbridge, VA, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N
- Society of American Foresters
EIN 237066767 · Headquarters: Ferndale, MI, USA · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-EZ
- Society of American Foresters
EIN 237261430 · Headquarters: Anchorage, AK, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N
- Society of American Foresters
EIN 237397214 · Headquarters: Murfreesboro, TN, US · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-N
- Society of American Foresters
EIN 237397215 · Headquarters: Lewiston, ID, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N
- Society of American Foresters
EIN 237397216 · Headquarters: Columbus, IN, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N
- Society of American Foresters
EIN 237397217 · Headquarters: Missoula, MT, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N
- Society of American Foresters
EIN 237397219 · Headquarters: Flagstaff, AZ, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N
- Society of American Foresters
EIN 237573222 · Headquarters: Alexandria, LA, US · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-N
- Society of American Foresters
EIN 436059219 · Headquarters: Monticello, AR, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N
- Society of American Foresters
EIN 521273253 · Headquarters: Goreville, IL, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N
- Society of American Foresters
EIN 521273257 · Headquarters: Lincoln, NE, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N
- Society of American Foresters
EIN 521273259 · Headquarters: Columbus, OH, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N