| National Society Daughters of the American ColonistsWashington | Form 990-N | No figure |
| American-Tunisian Association IncWashington | Form 990-N | No figure |
| National Society Daughters of the American ColonistsWashington | Form 990-N | No figure |
| Mathematical Association of AmericaWashington | Form 990-N | No figure |
| National League of American Pen Women IncWashington | Form 990-N | No figure |
| Georgetown University Alumni Association IncWashington | Form 990-N | No figure |
| Georgetown University Alumni Association IncWashington | Form 990-N | No figure |
| Georgetown University Alumni Association IncWashington | Form 990-N | No figure |
| Georgetown University Alumni Association IncWashington | Form 990-N | No figure |
| Georgetown University Alumni Association IncWashington | Form 990-N | No figure |
| Georgetown University Alumni Association IncWashington | Form 990-N | No figure |
| Georgetown University Alumni Association IncWashington | Form 990-N | No figure |
| Georgetown University Alumni Association IncWashington | Form 990-N | No figure |
| Georgetown University Alumni Association IncWashington | Form 990-N | No figure |
| Georgetown University Alumni Association IncWashington | Form 990-N | No figure |
| Georgetown University Alumni Association IncWashington | Form 990-N | No figure |
| Georgetown University Alumni Association IncWashington | Form 990-N | No figure |
| Georgetown University Alumni Association IncWashington | Form 990-N | No figure |
| The Nebraska Society of Washington DC IncWashington | Form 990-N | No figure |
| Daughters of the American ColonistsWashington | Form 990-N | No figure |
| Georgetown University Alumni Association IncWashington | Form 990-N | No figure |
| Phi Beta Kappa SocietyWashington | Form 990-N | No figure |
| Georgetown University Alumni Association IncWashington | Form 990-N | No figure |
| Phi Beta Kappa SocietyWashington | Form 990-N | No figure |
| National Society Daughters of the American ColonistsWashington | Form 990-N | No figure |
| Associates for Renewal in EducationWashington | Form 990-N | No figure |
| Center for Women Policy Studies IncWashington | Form 990-N | No figure |
| Education and Research InstituteWashington | Form 990-N | No figure |
| Word Works IncWashington | Form 990-N | No figure |
| Guam Society of America IncWashington | Form 990-N | No figure |
| American Fisheries SocietyWashington | Form 990-N | No figure |
| Corporation for Independent Higher EducationWashington | Form 990-N | No figure |
| Washington Foreign Law SocietyWashington | Form 990-N | No figure |
| The St Davids Welsh-American Society of Washington DCWashington | Form 990-N | No figure |
| Freedmens Hospital Nurses Alumni Clubs IncWashington | Form 990-N | No figure |
| Federal Water Quality Association IncWashington | Form 990-N | No figure |
| Institute of International Trade and DevelopmentWashington | Form 990-N | No figure |
| Phi Beta Kappa SocietyWashington | Form 990-N | No figure |
| Society for History in the Federal GovernmentWashington | Form 990-N | No figure |
| Georgetown University Alumni Association IncWashington | Form 990-N | No figure |
| Phi Beta Kappa SocietyWashington | Form 990-N | No figure |
| American Society for Public AdministrationWashington | Form 990-N | No figure |
| Washington Volunteer Readers for the BlindWashington | Form 990-N | No figure |
| American Fisheries SocietyWashington | Form 990-N | No figure |
| The Friends of the Palisades LibraryWashington | Form 990-N | No figure |
| The Combined Military Retirees Association of DCWashington | Form 990-N | No figure |
| The Friends of the Cleveland Park LibraryWashington | Form 990-N | No figure |
| The Zonta Club of Washington FoundationWashington | Form 990-N | No figure |
| Jamaican Nationals Association IncWashington | Form 990-N | No figure |
| Museum One IncWashington | Form 990-N | No figure |