| National Society Daughters of the American ColonistsWashington | Form 990-N | No figure |
| Ncagc Virtual Garden ClubWashington | Form 990-N | No figure |
| Toastmasters InternationalWashington | Form 990-N | No figure |
| Daughters of the American ColonistsWashington | Form 990-N | No figure |
| Phi Beta Kappa SocietyWashington | Form 990-N | No figure |
| American Psychological Association IncWashington | Form 990 or 990-EZ | No figure |
| American Psychological Association IncWashington | Form 990 or 990-EZ | No figure |
| Canon Law Society of AmericaWashington | None required | No figure |
| Gregorian University Foundation IncWashington | None required | No figure |
| Society of American ForestersWashington | Group return | No figure |
| Continental Societies IncWashington | Form 990-N | No figure |
| National Association of University WomenWashington | Form 990-N | No figure |
| FIFTYWashington | Form 990 or 990-EZ | No figure |
| Orchid LabsWashington | Form 990 or 990-EZ | No figure |
| Never Forgotten FoundationWashington | Form 990 or 990-EZ | No figure |
| National Association of Hispanic JournalistsWashington | Form 990 or 990-EZ | No figure |
| Nac Humility Street FoundationWashington | None required | No figure |
| International Committee on English in the Liturgy IncWashington | None required | No figure |
| United States Catholic Mission Association IncorporatedWashington | None required | No figure |
| Washington Assembly Daughters of the King Diocese of WashingtonWashington | None required | No figure |
| Conference of Mayors Research and Education FoundationWashington | None required | No figure |
| Equity Institute IncWashington | None required | No figure |
| Oblates of St Francis de SalesWash | None required | No figure |
| National Multicultural InstituteWashington | None required | No figure |
| MethodWashington | None required | No figure |
| International Catholic Migration Commission IncWashington | None required | No figure |
| American Psychological Association IncWashington | Form 990 or 990-EZ | No figure |
| American Psychological Association IncWashington | Form 990 or 990-EZ | No figure |
| American Psychological Association IncWashington | Form 990 or 990-EZ | No figure |
| American Psychological Association IncWashington | Form 990 or 990-EZ | No figure |
| American Psychological Association IncWashington | Form 990 or 990-EZ | No figure |
| American Psychological Association IncWashington | Form 990 or 990-EZ | No figure |
| American Psychological Association IncWashington | Form 990 or 990-EZ | No figure |
| American Psychological Association IncWashington | Form 990 or 990-EZ | No figure |
| American Psychological Association IncWashington | Form 990 or 990-EZ | No figure |
| American Psychological Association IncWashington | Form 990 or 990-EZ | No figure |
| American Psychological Association IncWashington | Form 990 or 990-EZ | No figure |
| American Psychological Association IncWashington | Form 990 or 990-EZ | No figure |
| American Psychological Association IncWashington | Form 990 or 990-EZ | No figure |
| American Psychological Association IncWashington | Form 990 or 990-EZ | No figure |
| American Psychological Association IncWashington | Form 990 or 990-EZ | No figure |
| National Spiritualist Association of ChurchesWashington | None required | No figure |
| Evol Prison Ministry IncWashington | None required | No figure |
| Institute for the Positive Use of TechnologyWashington | None required | No figure |
| Equestrian Order of the Holy Sepulc of Jerusalem Middle Atlantic LtncyWashington | None required | No figure |
| American Psychological Association IncWashington | Form 990 or 990-EZ | No figure |
| United States Conference of MayorsWashington | None required | No figure |
| Catholic Biblical Association of AmericaWashington | None required | No figure |
| Huntingtons Disease Society of America IncWashington | Form 990-N | No figure |
| D I S C Diocesan Information Systems ConferenceWashington | None required | No figure |