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
- Institute for Mediterranean Affairs
EIN 136161500 · Headquarters: WYNNEWOOD, PA, USA · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-PF
- Institute for Middle East Investment Inc
EIN 331755845 · Headquarters: Redmond, WA, US · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-N
- Institute for Modern Psychoanalysis of Philadelphia
EIN 237360583 · Headquarters: PHILADELPHIA, PA, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990
- Institute for Molecular Manufacturing
EIN 770277990 · Headquarters: Palo Alto, CA, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-EZ
- Institute for Multicultural Counseling & Education Services Inc
EIN 954314692 · Headquarters: LOS ANGELES, CA, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990
- Institute for Natural Intelligence Ltd
EIN 464897360 · Headquarters: Cary, NC, US · Unknown & Unclassified · Latest available filing year: 2014 · Primary form: IRS Form 990-N
- Institute for Natural Medicine
EIN 020464611 · Headquarters: SEATTLE, WA, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990
- Institute for Neuroscience and Consciousness Studies Inc
EIN 742618214 · Headquarters: AUSTIN, TX, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N
- Institute for New World Archaeology
EIN 521276327 · Headquarters: Oak Park, IL, US · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-N
- Institute for Nursing Inc
EIN 222259791 · Headquarters: TRENTON, NJ, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990
- Institute for Orgonomic Science
EIN 232229063 · Headquarters: Glendale, CA, US · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-N
- Institute for Pacific Marine Research
EIN 990285667 · Headquarters: Kailua, HI, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N
- Institute for Performance and Study of Straight Ahead Jazz & Blues
EIN 943438847 · Headquarters: trenton, NJ, US · Unknown & Unclassified · Latest available filing year: 2010 · Primary form: IRS Form 990-N
- Institute for Phenomenal Touch
EIN 271421932 · Headquarters: Eldorado Springs, CO, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N
- Institute for Plant-based Nutrition
EIN 232932824 · Headquarters: Bala Cynwyd, PA, USA · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-PF
- Institute for Portfolio Alternatives Inc
EIN 222597521 · Headquarters: Washington, DC, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990
- Institute for Pro Advancement Inc
EIN 363803305 · Headquarters: GOLDEN, CO, USA · Unknown & Unclassified · Latest available filing year: 2022 · Primary form: IRS Form 990
- Institute for Psycho-imagation
EIN 237451730 · Headquarters: Culver City, CA, US · Unknown & Unclassified · Latest available filing year: 2020 · Primary form: IRS Form 990-N
- Institute for Psychoanalytic Training and Research
EIN 136144019 · Headquarters: New York, NY, US · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990
- Institute for Public Affairs
EIN 942889692 · Headquarters: Chicago, IL, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990
- Institute for Public Interest Media
EIN 942736800 · Headquarters: San Francisco, CA, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N
- Institute for Public Relations
EIN 136161619 · Headquarters: Gainesville, FL, USA · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990
- Institute for Quality in Human Life
EIN 237256869 · Headquarters: Bakersfield, CA, US · Unknown & Unclassified · Latest available filing year: 2020 · Primary form: IRS Form 990-N
- Institute for Real Estate Management St Louis Chapter #11
EIN 510204268 · Headquarters: ST LOUIS, MO, USA · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-EZ
- Institute for Reality Therapy Sunbelt Region
EIN 752057221 · Headquarters: Wichita Falls, TX, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N
- Institute for Regenerative Agroforestry
EIN 931135481 · Headquarters: Vida, OR, US · Unknown & Unclassified · Latest available filing year: 2021 · Primary form: IRS Form 990-N
- Institute for Regulatory Science
EIN 541352139 · Headquarters: Alexandria, VA, US · Unknown & Unclassified · Latest available filing year: 2019 · Primary form: IRS Form 990-N
- Institute for Rehab Research & Recinc
EIN 936033853 · Headquarters: PENDLETON, OR, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990
- Institute for Religious & Social Studies
EIN 136167982 · Headquarters: New York, NY, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N
- Institute for Religious Research
EIN 382678172 · Headquarters: CEDAR SPRINGS, MI, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-PF
- Institute for Research and Education on Human Rights
EIN 431326238 · Headquarters: KANSAS CITY, MO, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-EZ
- Institute for Research and Theory Methodologies
EIN 871334120 · Headquarters: Poway, CA, US · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-N
- Institute for Research in Classical Philosophy and Science Inc
EIN 222514884 · Headquarters: Baysville, CA · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N
- Institute for Research in Complexity and Society
EIN 452575833 · Headquarters: Lebanon, NJ, US · Unknown & Unclassified · Latest available filing year: 2014 · Primary form: IRS Form 990-N
- Institute for Research in Education Policy
EIN 843855622 · Headquarters: Fort Worth, TX, US · Unknown & Unclassified · Latest available filing year: 2019 · Primary form: IRS Form 990-N
- Institute for Research Inc
EIN 240858506 · Headquarters: LEMONT, PA, USA · Unknown & Unclassified · Latest available filing year: 2013 · Primary form: IRS Form 990
- Institute for Research on Social Problems
EIN 840731300 · Headquarters: NORTH MIAMI, FL, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N
- Institute for Responsible Housing Preservation
EIN 521653533 · Headquarters: WASHINGTON, DC, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990
- Institute for Responsible Technology Food Policy Fund
EIN 454004930 · Headquarters: Fairfield, IA, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N
- Institute for Richer Living
EIN 471218236 · Headquarters: Arvada, CO, US · Unknown & Unclassified · Latest available filing year: 2021 · Primary form: IRS Form 990-N
- Institute for Science and Halacha
EIN 112557795 · Headquarters: Kew Gardens, NY, US · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-N
- Institute for Science and Interdisciplinary Studies Inc
EIN 043176123 · Headquarters: Amherst, MA, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N
- Institute for Scientific Research in Music
EIN 043107517 · Headquarters: WOBURN, MA, USA · Unknown & Unclassified · Latest available filing year: 2023 · Primary form: IRS Form 990-PF
- Institute for Scientific Research Inc
EIN 222487207 · Headquarters: Winchester, MA, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N
- Institute for Secular Wisdom Inc
EIN 455062843 · Headquarters: Cincinnati, OH, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N
- Institute for Self Esteem Evaluation Inc
EIN 521871813 · Headquarters: CHICAGO, IL, US · Unknown & Unclassified · Latest available filing year: 2019 · Primary form: IRS Form 990-N
- Institute for Sequential Art Inc
EIN 272814786 · Headquarters: Tampa, FL, US · Unknown & Unclassified · Latest available filing year: 2015 · Primary form: IRS Form 990-N
- Institute for Social Analysis
EIN 541094239 · Headquarters: Alexandria, VA, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N
- Institute for Social and Educational Reseach Inc
EIN 631032808 · Headquarters: Cottondale, AL, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N
- Institute for Socio-financial Studies
EIN 521728506 · Headquarters: NELLYSFORD, VA, US · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-N
- Institute for Sovereign International Security
EIN 981177900 · Headquarters: Belleview, FL, US · Unknown & Unclassified · Latest available filing year: 2014 · Primary form: IRS Form 990-N
- Institute for Specialized Literature Inc
EIN 952389922 · Headquarters: Granada Hills, CA, USA · Unknown & Unclassified · Latest available filing year: 2021 · Primary form: IRS Form 990
- Institute for Spinal Health and Per
EIN 823276175 · Headquarters: CUMMING, GA, USA · Unknown & Unclassified · Latest available filing year: 2022 · Primary form: IRS Form 990-EZ
- Institute for Spirituality and Health at the Texas Medical Center
EIN 741246255 · Headquarters: Houston, TX, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990
- Institute for Studies Ineducational Mathematics
EIN 411387197 · Headquarters: North Haven, CT, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N
- Institute for Supply Mamagement- Milwaukee Inc
EIN 396056176 · Headquarters: MILWAUKEE, WI, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N
- Institute for Supply Management - Chicago Inc
EIN 361653394 · Headquarters: Milwaukee, WI, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990
- Institute for Supply Management - Houston Inc
EIN 741202837 · Headquarters: HOUSTON, TX, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-EZ
- Institute for Supply Management - New York Inc
EIN 135329830 · Headquarters: NEW YORK, NY, USA · Unknown & Unclassified · Latest available filing year: 2020 · Primary form: IRS Form 990-EZ
- Institute for Supply Management - Silicon Valley Inc
EIN 770003548 · Headquarters: CUPERTINO, CA, USA · Unknown & Unclassified · Latest available filing year: 2023 · Primary form: IRS Form 990-EZ
- Institute for Supply Management -Nj
EIN 222269780 · Headquarters: MANAHAWKIN, NJ, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-EZ
- Institute for Supply Management Dallas Inc
EIN 750697241 · Headquarters: Plano, TX, US · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-N
- Institute for Supply Management Greater Grand Rapids Inc
EIN 386092484 · Headquarters: Grand Rapids, MI, US · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-N
- Institute for Supply Management Pittsburgh Inc
EIN 250741825 · Headquarters: PITTSBURGH, PA, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-EZ
- Institute for Supply Management SFV
EIN 770184156 · Headquarters: West Hills, CA, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-EZ
- Institute for Supply Management- Southeast Michigan
EIN 380946325 · Headquarters: Royal Oak, MI, US · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-N
- Institute for Supply Management- Western Washington
EIN 910375380 · Headquarters: Bellevue, WA, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N
- Institute for Supply Management-Kansas City Inc
EIN 436051718 · Headquarters: KANSAS CITY, MO, USA · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990
- Institute for Supply Management-miami Valley Inc
EIN 316023383 · Headquarters: DAYTON, OH, USA · Unknown & Unclassified · Latest available filing year: 2021 · Primary form: IRS Form 990-EZ
- Institute for Supply Management-Nebraska
EIN 476038726 · Headquarters: LINCOLN, NE, USA · Unknown & Unclassified · Latest available filing year: 2022 · Primary form: IRS Form 990-EZ
- Institute for Sustainable Forestry
EIN 680291539 · Headquarters: Miranda, CA, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N
- Institute for Sustained Creativity Inc
EIN 413004728 · Headquarters: Jackson Heights, NY, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N
- Institute for Tax Fairness for Working Families Inc
EIN 830664563 · Headquarters: BETHLEHEM, PA, USA · Unknown & Unclassified · Latest available filing year: 2023 · Primary form: IRS Form 990-EZ
- Institute for Telehealth
EIN 820626083 · Headquarters: Roseville, CA, US · Unknown & Unclassified · Latest available filing year: 2020 · Primary form: IRS Form 990-N
- Institute for the Advancement of Cyber-counterterrorism
EIN 270707003 · Headquarters: CAMARILLO, CA, US · Unknown & Unclassified · Latest available filing year: 2010 · Primary form: IRS Form 990-N
- Institute for the Advancement of Service Inc
EIN 521266610 · Headquarters: Palmyra, VA, US · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-N
- Institute for the Building Envelope
EIN 883253222 · Headquarters: ARLINGTON, VA, USA · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990
- Institute for the Emerging Self
EIN 850300026 · Headquarters: Denver, CO, US · Unknown & Unclassified · Latest available filing year: 2021 · Primary form: IRS Form 990-N
- Institute for the Humanities
EIN 742144788 · Headquarters: Salado, TX, US · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-N
- Institute for the Keyboarding Arts Nfp
EIN 462048196 · Headquarters: American Fork, UT, US · Unknown & Unclassified · Latest available filing year: 2013 · Primary form: IRS Form 990-N
- Institute for the Study and Treatment of Endometriosis
EIN 363618839 · Headquarters: OAK PARK, IL, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-PF
- Institute for the Study of Advanced Development
EIN 742446634 · Headquarters: WESTMINSTER, CO, USA · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990
- Institute for the Study of Human Awareness
EIN 411443291 · Headquarters: BRUCE, WI, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990
- Institute for the Study of Human Knowledge
EIN 941705600 · Headquarters: San Jose, CA, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990
- Institute for the Study of Imagination
EIN 042997199 · Headquarters: Baltimore, MD, US · Unknown & Unclassified · Latest available filing year: 2010 · Primary form: IRS Form 990-N
- Institute for the Study of Interdimensional Science
EIN 261373711 · Headquarters: San Diego, CA, US · Unknown & Unclassified · Latest available filing year: 2008 · Primary form: IRS Form 990-N
- Institute for the Study of Learning & Expertise
EIN 330324461 · Headquarters: Palo Alto, CA, USA · Unknown & Unclassified · Latest available filing year: 2022 · Primary form: IRS Form 990
- Institute for the Study of Loss and Transition
EIN 471884266 · Headquarters: PORTLAND, OR, US · Unknown & Unclassified · Latest available filing year: 2015 · Primary form: IRS Form 990-N
- Institute for the Study of Modern Authoritarianism
EIN 861870673 · Headquarters: WASHINGTON, DC, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990
- Institute for the Study of Performance and Spirituality Inc
EIN 208832326 · Headquarters: Toledo, OH, US · Unknown & Unclassified · Latest available filing year: 2015 · Primary form: IRS Form 990-N
- Institute for the Study of Somatic Education
EIN 943156835 · Headquarters: SAN FRANCISCO, CA, USA · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-EZ
- Institute for the Study of Strategy and Politics
EIN 464346515 · Headquarters: Arlington, VA, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N
- Institute for the Works of Social Welfare
EIN 811661637 · Headquarters: COLUMBUS, OH, US · Unknown & Unclassified · Latest available filing year: 2018 · Primary form: IRS Form 990-N
- Institute for Theological Encounter with Scie
EIN 237000424 · Headquarters: Saint Louis, MO, USA · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-EZ
- Institute for Theoretical Biology Inc
EIN 161277561 · Headquarters: CLAYTON, NY, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N
- Institute for Thermal Processing Specialists
EIN 541238221 · Headquarters: Slidell, LA, USA · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990
- Institute for Traditional Studies Inc
EIN 942614413 · Headquarters: Ukiah, CA, US · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-N
- Institute for Transportation and Prosperity
EIN 813684698 · Headquarters: Milwaukee, WI, USA · Unknown & Unclassified · Latest available filing year: 2022 · Primary form: IRS Form 990
- Institute for Truck Transportation Management
EIN 541566889 · Headquarters: ARLINGTON, VA, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990
- Institute for Washingtons Future
EIN 910931421 · Headquarters: BELLINGHAM, WA, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990