Nonprofits in WASHINGTON, DC
11,644 tax-exempt organizations with a return on IRS file.
All nonprofits in WASHINGTON, A–Z (page 55 of 117)
- INSTITUTE FOR PALESTINE STUDIES USA INCEIN 45-3166151 · last filed 990 for 2024
- INSTITUTE FOR PATIENT ACCESSEIN 45-3456087 · last filed 990-EZ for 2024
- INSTITUTE FOR PENSION FUND INTEGRITYEIN 82-4758084 · last filed 990-N for 2025
- INSTITUTE FOR POLARITIES OF DEMOCRACY INCEIN 82-1047556 · last filed 990-N for 2024
- INSTITUTE FOR PORTFOLIO ALTERNATIVES INCEIN 22-2597521 · last filed 990 for 2025
- INSTITUTE FOR PROGRESSEIN 87-2449729 · last filed 990 for 2024
- INSTITUTE FOR PUBLIC HEALTH INNOVATIONEIN 46-3039129 · last filed 990 for 2025
- INSTITUTE FOR RECONSTRUCTIONAL AND INTRNL SECURITY THROUGH EDUCATIONEIN 52-2308013 · last filed 990-EZ for 2024
- INSTITUTE FOR RELIGIOUS FREEDOM SUMMITEIN 92-3825690 · last filed 990 for 2025
- INSTITUTE FOR REPRESENTATIVE GOVT INCEIN 52-1575041 · last filed 990-EZ for 2025
- INSTITUTE FOR RESEARCH MIDDLE EASTERN POLICY INCEIN 81-0586523 · last filed 990 for 2025
- INSTITUTE FOR RESPONSIBLE HOUSING PRESERVATIONEIN 52-1653533 · last filed 990 for 2025
- INSTITUTE FOR SAFER TRUCKINGEIN 84-4943816 · last filed 990 for 2024
- INSTITUTE FOR SCIENCE & INTERNATIONAL SECURITYEIN 52-1809804 · last filed 990 for 2025
- INSTITUTE FOR SOUTH AMERICAN INTEGRATIONEIN 80-0701957 · last filed 990-N for 2024
- INSTITUTE FOR STATE EFFECTIVENESSEIN 20-5968997 · last filed 990 for 2025
- INSTITUTE FOR STRATEGIC DIALOGUE USEIN 27-1282489 · last filed 990 for 2024
- INSTITUTE FOR SURGICAL EXCELLENCEEIN 46-4617882 · last filed 990 for 2025
- INSTITUTE FOR SUSTAINABLE INFRASTRUCTUREEIN 27-4568381 · last filed 990 for 2024
- INSTITUTE FOR TAIWAN AMERICAN STUDIESEIN 47-4438703 · last filed 990-N for 2025
- INSTITUTE FOR THE ADVANCEMENT OF FOOD AND NUTRITION SCIENCESEIN 52-1745052 · last filed 990 for 2024
- INSTITUTE FOR THE ADVANCEMENT OF MULTICULTURAL & MINORITY MEDICINEEIN 33-1052248 · last filed 990-N for 2025
- INSTITUTE FOR THE PRESERVATION OF MEDICAL TRADITIONS INCEIN 26-0864917 · last filed 990-N for 2025
- INSTITUTE FOR THE PREVENTION AND ERADICATION OF VIOLENCEEIN 51-0392081 · last filed 990-N for 2025
- INSTITUTE FOR THE STUDY OF MODERN AUTHORITARIANISMEIN 86-1870673 · last filed 990 for 2024
- INSTITUTE FOR THE STUDY OF STATES OF EXCEPTIONEIN 99-4286439 · last filed 990-N for 2025
- INSTITUTE FOR THE STUDY OF WAR INCEIN 26-0273675 · last filed 990 for 2024
- INSTITUTE FOR TRUTH IN MARKETING INCEIN 47-3475721 · last filed 990 for 2025
- INSTITUTE FOR WAR & PEACE REPORTING USEIN 43-1962561 · last filed 990 for 2024
- INSTITUTE FOR WOMENS HEALTHEIN 87-2408926 · last filed 990 for 2024
- INSTITUTE FOR WOMENS POLICY RESEARCHEIN 52-1549572 · last filed 990 for 2025
- INSTITUTE OF ANDEAN RESEARCH INCEIN 13-6138268 · last filed 990-PF for 2024
- INSTITUTE OF CARIBBEAN STUDIESEIN 52-1864509 · last filed 990 for 2024
- INSTITUTE OF CLASSICAL ARCHITECTURE AND ART INCEIN 20-2429704 · last filed 990-N for 2025
- INSTITUTE OF CONTEMPORARY PSYCHOTHERAPY INCEIN 52-1869657 · last filed 990 for 2025
- INSTITUTE OF CURRENT WORLD AFFAIRS INCEIN 13-1621044 · last filed 990-PF for 2024
- INSTITUTE OF FIRST PRINCIPLESEIN 92-2760514 · last filed 990-N for 2024
- INSTITUTE OF GLOBAL AND REGIONAL READINESSEIN 20-3843324 · last filed 990-N for 2024
- INSTITUTE OF GRACEEIN 52-2350837 · last filed 990-EZ for 2024
- INSTITUTE OF INTERNAL AUDITORSEIN 52-2342416 · last filed 990-N for 2025
- INSTITUTE OF INTERNATIONAL CONTAINER LESSORS LTDEIN 23-7309986 · last filed 990 for 2025
- INSTITUTE OF INTERNATIONAL FINANCE INCEIN 52-1289843 · last filed 990 for 2024
- INSTITUTE OF INTERNATIONAL TRADE AND DEVELOPMENTEIN 52-1180576 · last filed 990-N for 2025
- INSTITUTE OF MAKERS OF EXPLOSIVESEIN 13-0870910 · last filed 990 for 2024
- INSTITUTE OF MANAGEMENT CONSULTANTS USA INCEIN 13-3532599 · last filed 990-EZ for 2025
- INSTITUTE OF PEACE AND FEDERAL DEMOCRACYEIN 39-3371645 · last filed 990-N for 2025
- INSTITUTE OF POLITICS POLICY AND HISTORYEIN 84-1785241 · last filed 990-PF for 2024
- INSTITUTE OF SCRAP RECYCLING INDUSTRIES INCEIN 52-1572944 · last filed 990 for 2024
- INSTITUTE OF SCRAP RECYCLING INDUSTRIES INCEIN 31-1205596 · last filed 990 for 2024
- INSTITUTE OF TRANSPORTATION ENGINEERS EDUCATIONAL FOUNDATIONEIN 51-0232220 · last filed 990 for 2024
- INSTITUTE OF TRANSPORTATION ENGINEERS INCEIN 53-0232732 · last filed 990 for 2024
- INSTITUTE OF TURKISH STUDIES TRUSTEIN 52-6251276
- INSTITUTE OF WORLD AFFAIRSEIN 23-7072755 · last filed 990-N for 2025
- INSTITUTE OF WORLD POLITICSEIN 52-1699641 · last filed 990 for 2025
- INSTITUTE ON RELIGION & DEMOCRACYEIN 52-1265221 · last filed 990 for 2024
- INSTITUTE ON TAXATION AND ECONOMIC POLICYEIN 04-2688165 · last filed 990 for 2025
- INSTITUTIONAL LONGEVTY MARKETS ASSOCIATION INCEIN 20-8769162 · last filed 990 for 2025
- INSURED RETIREMENT INSTITUTE INCEIN 06-1328907 · last filed 990 for 2024
- INTEGRATED DESIGN ELECTRONICS ACADE MY PUBLIC CHARTER SCHOOLEIN 31-1573701 · last filed 990 for 2025
- INTEGRATED LIVING OPPORTUNITIESEIN 47-2723676 · last filed 990 for 2024
- INTEGRATIVE HEALTHCARE POLICY CONSORTIUMEIN 20-0219280 · last filed 990-EZ for 2024
- I N T E G R I T Y ENTERPRISEEIN 77-0700707 · last filed 990-N for 2025
- INTEGRITY FIRST VOTER ACTION PROJECTEIN 85-0692855 · last filed 990 for 2024
- INTELLECTUAL PROPERTY OWNERS ASSOCIATIONEIN 52-0948513 · last filed 990 for 2024
- INTELLECTUAL PROPERTY OWNERS EDUCATION FOUNDATIONEIN 52-2250648 · last filed 990 for 2024
- INTELLIGENT TRANSPORTATION SOCIETY OF AMERICAEIN 52-1702822 · last filed 990 for 2025
- INTENTIONAL PURSUIT OF MEEIN 84-1727692 · last filed 990-N for 2022
- INTERACADEMY PARTNERSHIP INCEIN 81-2774070 · last filed 990 for 2024
- INTERACTION AMERICAN COUNCIL FOR VOLUNTARY INTERNATIONAL ACTION INCEIN 13-3287064 · last filed 990 for 2024
- INTER AMERICAN BAR ASSOCIATIONEIN 53-0088262 · last filed 990-EZ for 2023
- INTER-AMERICAN DEFENSE COLLEGE FOUNDATIONEIN 80-0118265 · last filed 990-EZ for 2025
- INTER AMERICAN DEFENSE FOUNDATIONEIN 45-2428421 · last filed 990-EZ for 2024
- INTER-AMERICAN DIALOGUEEIN 52-1830369 · last filed 990 for 2024
- INTERCESSOREIN 99-1815855
- INTERFAITH ACTION FOR HUMAN RIGHTSEIN 47-2562402 · last filed 990 for 2025
- INTERFAITH ALLIANCE FOUNDATIONEIN 81-0587332 · last filed 990 for 2024
- INTERFAITH ALLIANCE INCEIN 52-1863687 · last filed 990-N for 2025
- INTERFAITH CONFERENCE OF METROPOLITAN WASHINGTON INCEIN 52-1156410 · last filed 990 for 2025
- INTERFAITH PEACE-BUILDERSEIN 03-0598184 · last filed 990 for 2025
- INTERFUTUREEIN 23-7071089 · last filed 990-N for 2025
- INTERIM EXECUTIVE NETWORK INCEIN 39-2645644 · last filed 990-N for 2025
- INTERNATIONAL AEROSPACE QUALITY GROUPEIN 98-1243515 · last filed 990 for 2024
- INTERNATIONAL AGRIBUSINESS COUNCIL IACEIN 86-3674579 · last filed 990-EZ for 2025
- INTERNATIONAL ALCOHOLICS ANONYMOUS MEN CONFERENCEEIN 87-1071972 · last filed 990-N for 2023
- INTERNATIONAL ALLIANCE FOR RESPONSIBLE DRINKING INCEIN 52-1912065 · last filed 990 for 2025
- INTERNATIONAL ALLIANCE THEATRICAL STAGE EMPLOYEES & MOVING PICTUREEIN 52-6054739 · last filed 990 for 2025
- INTERNATIONAL ALLIANCE THEATRICAL STAGE EMPLOYEES & MOVING PICTURESEIN 52-6055614 · last filed 990 for 2025
- INTERNATIONAL ANTICOUNTERFEITING COALITION INCEIN 94-2921494 · last filed 990 for 2025
- INTERNATIONAL ARBITRATION FORUM INCEIN 42-1869146 · last filed 990-N for 2025
- INTERNATIONAL ARTS AND ARTISTS INCEIN 57-1025197 · last filed 990 for 2024
- INTERNATIONAL ASSOCIATION FOR HUMAN VALUESEIN 52-2178069 · last filed 990 for 2024
- INTERNATIONAL ASSOCIATION FOR PLANT TAXONOMY USAEIN 52-0817253 · last filed 990-PF for 2025
- INTERNATIONAL ASSOCIATION FOR RELIGIOUS FREEDOM US CHAPTEREIN 37-2021672 · last filed 990-N for 2025
- INTERNATIONAL ASSOCIATION FOR SUICIDE PREVENTIONEIN 20-4701041 · last filed 990 for 2024
- INTERNATIONAL ASSOCIATION FOR THE STUDY OF PAINEIN 23-7416302 · last filed 990 for 2024
- INTERNATIONAL ASSOCIATION FOR VOLUNTEER EFFORTEIN 23-7049868 · last filed 990 for 2024
- INTERNATIONAL ASSOCIATION OF AIRPORT DUTY FREE STORES INCEIN 52-1283024 · last filed 990 for 2025
- INTERNATIONAL ASSOCIATION OF BLACK PROFESSIONAL FIREFIGHTERS INCEIN 52-1699288 · last filed 990 for 2023
- INTERNATIONAL ASSOCIATION OF BLACK PROFESSIONALS IN INTERNATL AFFAIRSEIN 52-1638889 · last filed 990-EZ for 2025
- INTERNATIONAL ASSOCIATION OF COLOR MANUFACTURERS INCEIN 52-1070715 · last filed 990 for 2024