| Mathematical Association of AmericaWashington | Form 990-N | No figure |
| Mathematical Association of AmericaWashington | Form 990-N | No figure |
| Brethren House IncWashington | Form 990-N | No figure |
| Mathematical Association of AmericaWashington | Form 990-N | No figure |
| Daughters of the American ColonistsWashington | 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 |
| National Society Dames of the Court of HonorWashington | Form 990-N | No figure |
| Trout UnlimitedWashington | Form 990-N | No figure |
| National League of American Pen Women IncWashington | Form 990-N | No figure |
| National League of American Pen Women IncWashington | Form 990-N | No figure |
| National League of American Pen Women IncWashington | Form 990-N | No figure |
| National League of American Pen Women IncWashington | Form 990-N | No figure |
| National League of American Pen Women IncWashington | Form 990-N | No figure |
| National League of American Pen Women IncWashington | Form 990-N | No figure |
| National League of American Pen Women IncWashington | Form 990-N | No figure |
| National League of American Pen Women IncWashington | Form 990-N | No figure |
| National League of American Pen Women IncWashington | Form 990-N | No figure |
| National League of American Pen Women IncWashington | Form 990-N | No figure |
| National League of American Pen Women IncWashington | Form 990-N | No figure |
| National Society Daughters of the American ColonistsWashington | Form 990-N | No figure |
| Daughters of the American ColonistsWashington | Form 990-N | No figure |
| National Society of the Children of the American RevolutionWashington | Form 990-N | No figure |
| Allies Building Community Inc A B CWashington | Form 990-N | No figure |
| Society for Technical CommunicationWashington | Form 990-N | No figure |
| Womens Institute for Freedom of the PressWashington | Form 990-N | No figure |
| National Society Daughters of the American ColonistsWashington | Form 990-N | No figure |
| Mary W Smallwood Memorial Foundation IncWashington | Form 990-N | No figure |
| Daughters of the American ColonistsWashington | Form 990-N | No figure |
| National Society Daughters of the American ColonistsWashington | Form 990-N | No figure |
| Phi Beta Kappa SocietyWashington | Form 990-N | No figure |
| National League of American Pen Women IncWashington | Form 990-N | No figure |
| Potomac River Sports Foundation IncWashington | Form 990-N | No figure |
| Toastmasters InternationalWashington | 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 |
| Psi Chi the International Honor Society in PsychologyWashington | Form 990-N | No figure |
| Phi Beta Kappa SocietyWashington | Form 990-N | No figure |
| Phi Beta Kapa SocietyWashington | Form 990-N | No figure |
| Phi Beta Kappa SocietyWashington | Form 990-N | No figure |
| Phi Beta Kappa SocietyWashington | Form 990-N | No figure |
| Phi Beta Kappa SocietyWashington | Form 990-N | No figure |
| Phi Beta Kappa SocietyWashington | Form 990-N | No figure |
| Phi Beta Kappa SocietyWashington | Form 990-N | No figure |
| National League of American Pen Women IncWashington | Form 990-N | No figure |
| Phi Beta Kappa SocietyWashington | Form 990-N | No figure |
| Friends of Tenley LibraryWashington | Form 990-N | No figure |
| Trust Agreement the Superior Court of the District of ColumbiaWashington | Form 990-N | No figure |
| Daughters of the American ColonistsWashington | Form 990-N | No figure |
| Toastmasters InternationalWashington | Form 990-N | No figure |