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 Clinical Data Management Inc
EIN 223333719 · Headquarters: MCCLEAN, VA, USA · Unknown & Unclassified · Latest available filing year: 2021 · Primary form: IRS Form 990
- Society for Cognitive Studies of the Moving Image
EIN 383751807 · Headquarters: Grand Rapids, MI, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N
- Society for College & University Planning
EIN 386147432 · Headquarters: ANN ARBOR, MI, USA · Unknown & Unclassified · Latest available filing year: 2023 · Primary form: IRS Form 990
- Society for Collegiate Journalists
EIN 371092014 · Headquarters: Storm Lake, IA, US · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-N
- Society for Collegiate Leadership and Achievement
EIN 834183600 · Headquarters: Riverside, CA, US · Unknown & Unclassified · Latest available filing year: 2019 · Primary form: IRS Form 990-N
- Society for Commercial Archeology Inc
EIN 030264619 · Headquarters: Little Rock, AR, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-EZ
- Society for Community Assisstance and Empowerment
EIN 993028418 · Headquarters: Raleigh, NC, USA · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-EZ
- Society for Community Research and Action Nfp
EIN 521520869 · Headquarters: WASHINGTON, DC, USA · Unknown & Unclassified · Latest available filing year: 2015 · Primary form: IRS Form 990
- Society for Consumer Psychology
EIN 363607499 · Headquarters: CARDIFF BY THE SEA, CA, USA · Unknown & Unclassified · Latest available filing year: 2023 · Primary form: IRS Form 990
- Society for Contemporary Art C-O The Art Institute of Chicago
EIN 366055526 · Headquarters: Chicago, IL, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990
- Society for Corporate Governance Inc
EIN 131674285 · Headquarters: NEW YORK, NY, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990
- Society for Cryobiology Inc (C/o Paracorp)
EIN 526066101 · Headquarters: BALTIMORE, MD, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990
- Society for Czechoslovak Philately
EIN 521302521 · Headquarters: Owings Mills, MD, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N
- Society for Descriptive Psychology
EIN 742154477 · Headquarters: Arvada, CO, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N
- Society for Design Admininstration Houston Chapter
EIN 237260994 · Headquarters: Houston, TX, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N
- Society for Design Administration
EIN 237070549 · Headquarters: GEORGETOWN, OH, USA · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-EZ
- Society for Design Administration Iowa Chapter
EIN 263557941 · Headquarters: Des Moines, IA, US · Unknown & Unclassified · Latest available filing year: 2009 · Primary form: IRS Form 990-N
- Society for Dogs with Anxiety
EIN 333889608 · Headquarters: SCRANTON, PA, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N
- Society for Education in Anesthesia
EIN 911237012 · Headquarters: MILWAUKEE, WI, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990
- Society for Electro Acoustic Music in the United States Inc
EIN 953968749 · Headquarters: Torrance, CA, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N
- Society for Electroanalytical Chemistry Inc
EIN 351598088 · Headquarters: West Lafayette, IN, US · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-N
- Society For Epidemiologic Research
EIN 521138509 · Headquarters: Eagle, ID, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990
- Society for Excellence in Eye Care Inc
EIN 592966585 · Headquarters: Indian Land, SC, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990
- Society for Experiential Education
EIN 521010211 · Headquarters: Sheridan, WY, USA · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990
- Society for Experimental Biology and Medicine
EIN 131635283 · Headquarters: Washington, DC, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990
- Society for Experimental Mechanics
EIN 060763080 · Headquarters: BETHEL, CT, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990
- Society for Faith & Children's Education Inc
EIN 270144867 · Headquarters: SUAMICO, WI, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990
- Society for Features Journalism
EIN 942941661 · Headquarters: Seattle, WA, US · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-N
- Society for Financial Independence Inc
EIN 460957913 · Headquarters: Mount Kisco, NY, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N
- Society for Furry and Feathered Friends Inc
EIN 208939261 · Headquarters: PALM HARBOR, FL, US · Unknown & Unclassified · Latest available filing year: 2009 · Primary form: IRS Form 990-N
- Society for Garden Archaeology
EIN 264304823 · Headquarters: Ithaca, NY, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N
- Society for Handicapped Citizens of Medina County Inc
EIN 341011571 · Headquarters: SEVILLE, OH, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990
- Society for Hawaiian Archaeology
EIN 990202533 · Headquarters: HONOLULU, HI, US · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-N
- Society for Healthcare Epidemiology of America Inc
EIN 581410314 · Headquarters: ARLINGTON, VA, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990
- Society for Healthcare Organization Procurement Professionals Inc
EIN 844326151 · Headquarters: MANALAPAN, NJ, USA · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-EZ
- Society for Higher Rabbinical Studies
EIN 521110636 · Headquarters: BALTIMORE, MD, USA · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-EZ
- Society for Historians of American Foreign Relations
EIN 237266899 · Headquarters: MURFREESBORO, TN, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-PF
- Society for Historical Archaeology
EIN 236446979 · Headquarters: BRIARCLIFF MANOR, NY, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990
- Society for History Education Inc
EIN 237257063 · Headquarters: LONG BEACH, CA, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-EZ
- Society for History in the Federal Government
EIN 521190235 · Headquarters: Washington, DC, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N
- Society for Hospital Social Work Directors Missouri Kansas Chapter
EIN 481017449 · Headquarters: Overland Park, KS, US · Unknown & Unclassified · Latest available filing year: 2023 · Primary form: IRS Form 990-N
- Society for Hospitality and Foodservice Management
EIN 237271660 · Headquarters: LOUISVILLE, KY, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990
- Society for Human Resource Management
EIN 113051329 · Headquarters: NORTH BABYLON, NY, USA · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990
- Society for Human Resource Management
EIN 232307463 · Headquarters: COOPERSBURG, PA, USA · Unknown & Unclassified · Latest available filing year: 2021 · Primary form: IRS Form 990-EZ
- Society for Human Resource Management
EIN 911271284 · Headquarters: KENNEWICK, WA, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N
- Society for Human Resource Management - Hawaii Chapter
EIN 990278725 · Headquarters: HONOLULU, HI, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990
- Society for Human Resource Management Bluegrass Chapter
EIN 611157044 · Headquarters: Lexington, KY, USA · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-EZ
- Society for Human Resource Management Central Iowa
EIN 421360847 · Headquarters: DES MOINES, IA, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-EZ
- Society for Human Resource Management Central New York Chapter
EIN 161390859 · Headquarters: SYRACUSE, NY, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-EZ
- Society for Human Resource Management of Greater K
EIN 431315940 · Headquarters: LEES SUMMIT, MO, USA · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990
- Society for Human Resource Management of Greater St Louis
EIN 436072026 · Headquarters: ST LOUIS, MO, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990
- Society for Human Resource Management of Tompkins County
EIN 320194872 · Headquarters: Ithaca, NY, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N
- Society for Human Resource Management SHRM-Atlanta INC
EIN 581581217 · Headquarters: Atlanta, GA, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990
- Society for Human Resource Mgt Philadelphia Region Chapter
EIN 232273880 · Headquarters: WEST CHESTER, PA, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990
- Society for Human Resources Mgmt
EIN 481238890 · Headquarters: Lawrence, KS, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N
- Society for Imaging Informatics in Medicine
EIN 232480304 · Headquarters: Leesburg, VA, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990
- Society for Imaging Science and Technology
EIN 530236896 · Headquarters: Springfield, VA, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990
- Society for Immunotherapy of Cancer Inc
EIN 391554806 · Headquarters: MILWAUKEE, WI, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990
- Society for Incentive Travel Excellence Southern California Chapter
EIN 262532775 · Headquarters: TEMECULA, CA, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990
- Society for Industrial and Applied Mathematics at Ncsu
EIN 465105028 · Headquarters: Raleigh, NC, US · Unknown & Unclassified · Latest available filing year: 2021 · Primary form: IRS Form 990-N
- Society for Industrial and Organizational Psychology Inc (Siop)
EIN 341372077 · Headquarters: TOLEDO, OH, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990
- Society for Industrial Archeology
EIN 237166954 · Headquarters: BORDENTOWN, NJ, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-EZ
- Society for Info Mgt - Houston Chapter
EIN 760287101 · Headquarters: Houston, TX, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990
- Society for Information Display
EIN 956151946 · Headquarters: CAMPBELL, CA, USA · Unknown & Unclassified · Latest available filing year: 2023 · Primary form: IRS Form 990
- Society for Information Display Group
EIN 954117779 · Headquarters: CAMPBELL, CA, USA · Unknown & Unclassified · Latest available filing year: 2023 · Primary form: IRS Form 990
- Society for Information Management
EIN 232189216 · Headquarters: Lansdale, PA, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-EZ
- Society for Information Management
EIN 362676838 · Headquarters: Mount Laurel, NJ, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990
- Society for Information Management
EIN 510227167 · Headquarters: Mount Laurel, NJ, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-EZ
- Society for Information Management Chicago Chapter
EIN 362632473 · Headquarters: Chicago, IL, USA · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990
- Society for Information Management Dallas Area Chapter
EIN 752637845 · Headquarters: COLLEYVILLE, TX, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990
- Society for Information Management New Jersey Chapter Inc
EIN 900067231 · Headquarters: MOUNTAIN LAKES, NJ, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990
- Society for Information Management Portland Chapter
EIN 931316927 · Headquarters: Portland, OR, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-EZ
- Society for Information Management South Carolina Chapter
EIN 933862195 · Headquarters: Elgin, SC, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-EZ
- Society for Information Management Systems
EIN 205002032 · Headquarters: ZIONSVILLE, IN, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-EZ
- Society for Information Management Systems
EIN 471393738 · Headquarters: MOUNT LAUREL, NJ, US · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-N
- Society for Inherited Metabolic Disorders
EIN 930721765 · Headquarters: TROUTDALE, OR, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990
- Society for Insulin-like Growth Factor Research Inc
EIN 521892140 · Headquarters: Carrigaline, EI · Unknown & Unclassified · Latest available filing year: 2022 · Primary form: IRS Form 990-N
- Society for Interdisciplinary French Seventeenth-century Studies
EIN 272778888 · Headquarters: Brunswick, ME, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N
- Society For International Affairs
EIN 541424917 · Headquarters: ARLINGTON, VA, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990
- Society for International Bioenterprise Education and Resear
EIN 843340418 · Headquarters: Shaker Heights, OH, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N
- Society for Invertebrate Pathology
EIN 526076168 · Headquarters: VERONA, WI, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990
- Society for Investigative Dermatology
EIN 231361165 · Headquarters: CLEVELAND, OH, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990
- Society for Italian Historical Studies
EIN 237189781 · Headquarters: Grinnell, IA, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N
- Society for Japanese Studies
EIN 237411578 · Headquarters: SEATTLE, WA, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-EZ
- Society for Judgement and Decision Making Incorporated
EIN 351699981 · Headquarters: TALLAHASSEE, FL, USA · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990
- Society for Konas Education & Art
EIN 990211785 · Headquarters: Honaunau, HI, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-EZ
- Society for Lending Comfort to the Sick of the Township of Smithtown
EIN 116017689 · Headquarters: SMITHTOWN, NY, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-EZ
- Society for Leukocyte Biology
EIN 237025568 · Headquarters: SILVER SPRING, MD, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990
- Society for Liberty Corp
EIN 834078289 · Headquarters: ELMSFORD, NY, USA · Unknown & Unclassified · Latest available filing year: 2020 · Primary form: IRS Form 990-EZ
- Society for Light Rythms and Circadian Health
EIN 133508970 · Headquarters: Philadelphia, PA, USA · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-EZ
- Society for Literature Science and The Arts
EIN 042883516 · Headquarters: Atlanta, GA, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990
- Society for Louisiana Irises
EIN 726034653 · Headquarters: MOORINGSPORT, LA, US · Unknown & Unclassified · Latest available filing year: 2009 · Primary form: IRS Form 990-N
- Society for Maintenance & Reliability Professionals
EIN 811423108 · Headquarters: Kansas City, KS, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N
- Society for Maintenance and Reliability Professionals Fnd
EIN 320258396 · Headquarters: Camden, SC, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N
- Society for Maintenance and Reliability Professionals Fnd
EIN 900410740 · Headquarters: Omaha, NE, US · Unknown & Unclassified · Latest available filing year: 2021 · Primary form: IRS Form 990-N
- Society for Management Information Systems
EIN 341610860 · Headquarters: VALLEY VIEW, OH, USA · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-EZ
- Society for Management Information Systems
EIN 382759945 · Headquarters: LAKE ORION, MI, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990
- Society for Management Information Systems
EIN 581805261 · Headquarters: Memphis, TN, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-EZ
- Society for Management Information Systems
EIN 650963650 · Headquarters: Altamonte Springs, FL, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-EZ
- Society for Management Information Systems
EIN 821851953 · Headquarters: Parrish, FL, USA · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-EZ