Nonprofits in WASHINGTON, DC
11,644 tax-exempt organizations with a return on IRS file.
All nonprofits in WASHINGTON, A–Z (page 82 of 117)
- ONIPA-ABUSIA DCEIN 52-1752931 · last filed 990-N for 2024
- ONLINE LEARNING INITIATIVEEIN 47-4905760 · last filed 990-N for 2025
- ONLINE NEWS ASSOCIATIONEIN 51-0389878 · last filed 990 for 2024
- ONLY BELIEVEEIN 33-3575495 · last filed 990-N for 2025
- ON MY WAY HOME MINISTRIESEIN 85-0760389 · last filed 990-N for 2025
- ON-RAMPS TO CAREERSEIN 46-4824282 · last filed 990 for 2025
- ONREDEIN 99-4865886 · last filed 990-N for 2024
- ON THE GROUND NEWS PRODUCTIONEIN 38-4065660 · last filed 990-N for 2025
- ONTOLOGICAL DESIGN COMMUNITYEIN 02-0704316 · last filed 990-N for 2025
- ONWARD OPS FOUNDATIONEIN 92-3240621 · last filed 990-N for 2023
- ONYX MENTAL HEALTH FAMILYEIN 99-1532099 · last filed 990-N for 2023
- ONYX MID-ATLANTIC INCEIN 85-3885306 · last filed 990-N for 2025
- ONYX NATIONAL COUNCILEIN 99-4257423 · last filed 990-N for 2025
- OO PROJECTEIN 84-3451269 · last filed 990 for 2025
- OPA 90 FORUM INCEIN 86-2792731 · last filed 990-N for 2025
- OPALACK FOUNDATIONEIN 22-3888369 · last filed 990-PF for 2024
- OPENAQ INCEIN 47-5324172 · last filed 990 for 2025
- OPEN ARMS HOUSING INCEIN 52-2040518 · last filed 990 for 2025
- OPEN BOOK FOUNDATIONEIN 46-1678633 · last filed 990-N for 2025
- OPEN CAMPUS MEDIA INCEIN 84-2427054 · last filed 990 for 2024
- OPEN CIRCLE NPEIN 88-2940467 · last filed 990-N for 2025
- OPEN CITY ADVOCATESEIN 20-2325866 · last filed 990 for 2025
- OPEN CONTRACTING PARTNERSHIPEIN 85-3115306 · last filed 990 for 2025
- OPEN DATA WATCHEIN 46-3036686 · last filed 990 for 2024
- OPEN DRCEIN 84-2993002 · last filed 990-N for 2023
- OPEN EDUCATION ASSOCIATIONEIN 33-2976875 · last filed 990 for 2025
- OPEN GOAL PROJECTEIN 81-0689175 · last filed 990 for 2024
- OPEN GOVERNMENT PARTNERSHIP SECRETARIATEIN 81-1867464 · last filed 990 for 2025
- OPEN HANDS BY SEROMEEIN 39-3804341 · last filed 990-EZ for 2025
- OPEN IMAGERY NETWORK INCEIN 81-3160991 · last filed 990 for 2025
- OPEN INSTITUTE INTERNATIONAL INCEIN 37-1907881 · last filed 990 for 2025
- OPEN LAW LIBRARYEIN 47-4796144 · last filed 990 for 2025
- OPEN MARKETS INSTITUTEEIN 82-2529375 · last filed 990 for 2024
- OPENMINDS INCEIN 83-4162171 · last filed 990-N for 2025
- OPEN RSSEIN 92-3793479 · last filed 990-N for 2023
- OPENSECRETSEIN 52-1275227 · last filed 990 for 2025
- OPENSTREETMAP UNITED STATES INCEIN 27-2375394 · last filed 990 for 2025
- OPEN TECHNOLOGY FUNDEIN 84-3126447 · last filed 990 for 2025
- OPENVEGA FOUNDATIONEIN 39-2823408 · last filed 990-N for 2025
- OPENWISE FOUNDATION INCEIN 47-4202083 · last filed 990-N for 2025
- OPERA LAFAYETTEEIN 52-2001426 · last filed 990 for 2025
- OPERATING ENGINEERS CERTIFICATION PROGRAMEIN 26-3770896 · last filed 990 for 2025
- OPERATING ENGINEERS NATIONALCHARITY FUNDEIN 26-0272760 · last filed 990 for 2024
- OPERATION LIFESAVER INCEIN 74-2459189 · last filed 990 for 2024
- OPERATION LITTLE ANGEL 101HOPE AFTER LOSS ASSNEIN 86-1628543 · last filed 990-N for 2024
- OPERATION MALI INCEIN 80-0689846 · last filed 990-N for 2025
- OPERATION PATHWAYS INCEIN 47-2897977 · last filed 990 for 2024
- OPERATION SAVE AFRICA INCEIN 81-4704354 · last filed 990-N for 2025
- OPERATION STAND WALK RUNEIN 85-0602521 · last filed 990-EZ for 2024
- OPERATION UNDERSTANDING DCEIN 52-1822488 · last filed 990 for 2024
- OPERATIVE PLASTERERS & CEMENT MASONS INTL ASSOC 891 PCMEIN 53-0182220 · last filed 990 for 2025
- OPPORTUNITIES FOR DESERVING CHILDRENEIN 87-2165024 · last filed 990 for 2024
- OPPORTUNITIES INDUSTRIALIZATIONEIN 52-2237798 · last filed 990 for 2023
- OPPORTUNITIES TO OVERCOMEEIN 85-3715866 · last filed 990-EZ for 2025
- OPPORTUNITY AMERICA EDUCATIONAL FUNDEIN 47-1858873 · last filed 990-EZ for 2023
- OPPORTUNITY AMERICA INCEIN 46-4335303 · last filed 990-N for 2023
- OPPORTUNITY AT WORK INCEIN 81-3214432 · last filed 990 for 2024
- OPTICAL SOCIETY OF AMERICA INCEIN 53-0259696 · last filed 990 for 2024
- ORACLE RELIGIOUS ASSOCIATIONEIN 52-1798301 · last filed 990 for 2025
- ORBIS ASSOCIATESEIN 52-1278563 · last filed 990-N for 2025
- ORBMEDIA INCEIN 45-3806445 · last filed 990-N for 2024
- ORCHESTRA OF THE AMERICAS GROUP INCEIN 52-2309214 · last filed 990 for 2025
- ORDER OF AHEPAEIN 91-1981434 · last filed 990-N for 2025
- ORDER OF AHEPAEIN 27-4734593 · last filed 990 for 2025
- ORDER OF THE EASTERN STAR GENERAL GRAND CHAPTEREIN 53-0121305 · last filed 990 for 2025
- ORDER OF THE EASTERN STAR OF D CEIN 23-7641362 · last filed 990-N for 2024
- ORDER OF THE EASTERN STAR OF D CEIN 23-7641357 · last filed 990-N for 2024
- ORDER OF THE EASTERN STAR OF D CEIN 52-6056827 · last filed 990-N for 2024
- ORDER OF THE EASTERN STAR OF D CEIN 23-7641364 · last filed 990-N for 2024
- ORDER OF THE EASTERN STAR OF DISTRICT OF COLUMBIAEIN 23-7137970 · last filed 990-N for 2025
- ORDER OF THE EASTERN STAR OF DISTRICT OF COLUMBIAEIN 23-7137973 · last filed 990-N for 2025
- ORDER OF THE EASTERN STAR OF DISTRICT OF COLUMBIA GRAND CHAPTEREIN 53-0121296 · last filed 990 for 2025
- OREGON AVENUE TREIN 65-6438016 · last filed 990 for 2025
- ORFELIN CIRCLEEIN 58-2680983 · last filed 990-N for 2025
- ORGANIC AND NATURAL HEALTH ASSOCIATIONEIN 47-1332618 · last filed 990 for 2024
- ORGANIC TRADE ASSOCIATIONEIN 23-2341522 · last filed 990 for 2024
- ORGANIZACION INTERNACIONAL DIASPORA DOMINICANAEIN 93-2695094 · last filed 990-N for 2025
- ORGANIZATION FOR JUSTICE AND ACCOUNTABILITY IN THE HORN OF AFRIEIN 93-1731026 · last filed 990 for 2025
- ORGANIZATION FOR LATINO HEALTH ADVOCACY INCEIN 33-2162209 · last filed 990-N for 2025
- ORGANIZATION FOR TRAINING OTHERS IN NEEDEIN 52-1786691 · last filed 990-N for 2025
- ORGANIZATION FOR YOUTH EMPOWERMENTEIN 20-3195935 · last filed 990 for 2025
- ORGANIZATION OF CHINESE AMERICANS INCEIN 23-7250499 · last filed 990 for 2025
- ORGANIZATION OF IRANIAN AMERICAN COMMUNITIES OIAC INCEIN 46-2061340 · last filed 990 for 2025
- ORGANIZATION OF WOMEN IN INTERNATIONAL TRADEEIN 75-2472676 · last filed 990-N for 2025
- ORGANIZING NEIGHBORHOOD EQUITYEIN 87-0766022 · last filed 990 for 2024
- ORION POLICY INSTITUTEEIN 86-2860501 · last filed 990-EZ for 2024
- OROMIA GLOBAL FORUM OGF INCEIN 85-3333365 · last filed 990-N for 2025
- OROMO CENTER INCEIN 52-1986697 · last filed 990 for 2025
- OROMO COMMUNITIES ASSOCIATION IN NORTH AMERICAEIN 47-5573240 · last filed 990-N for 2025
- OROMO COMMUNITY ORGANIZATIONEIN 52-1678001 · last filed 990 for 2025
- ORTHODOX PEACE FELLOWSHIP & IN COMMUNION INCEIN 81-4265545 · last filed 990-N for 2024
- OSA FOUNDATION INCEIN 71-0913500 · last filed 990 for 2025
- OSCAL FOUNDATIONEIN 33-2161379 · last filed 990-N for 2024
- OSGOOD CENTER FOR INTERNATIONALSTUDIES INCEIN 20-4166786 · last filed 990 for 2025
- OSHER LIFELONG LEARNING INSTITUTEEIN 52-1636891 · last filed 990 for 2025
- O STREET MUSEUM FOUNDATIONEIN 31-1550078 · last filed 990-PF for 2024
- OTR WELLNESSEIN 33-2664512 · last filed 990 for 2025
- OUR AMERICAN FUTURE FOUNDATIONEIN 88-4235954 · last filed 990 for 2025
- OUR CLIMATEEIN 46-4237362 · last filed 990-EZ for 2023
- OUR COMMUNITIES OUR VOICESEIN 92-3203192 · last filed 990-N for 2025