| American Psychological Association IncWashington | Form 990-N | No figure |
| Phi Beta Kappa SocietyWashington | Form 990-N | No figure |
| Daughters of the American ColonistsWashington | Form 990-N | No figure |
| National League of America Pen Women IncWashington | Form 990-N | No figure |
| Blacks in GovernmentWashington | Form 990-N | No figure |
| Blacks in GovernmentWashington | 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 |
| Daughters of the American ColonistsWashington | Form 990-N | No figure |
| Kinnara FundWashington | Form 990-N | No figure |
| District of Columbia Green Spaces AllianceWashington | Form 990-N | No figure |
| District of Columbia Green Spaces AllianceWashington | Form 990-N | No figure |
| National Society Daughters of the American Colonists Bel Air ChapterWashington | Form 990-N | No figure |
| Commission on Accreditation Inc Clinical ChemistryWashington | Form 990-N | No figure |
| Sigma Theta Tau IncWashington | Form 990-N | No figure |
| Phi Beta Kappa SocietyWashington | Form 990-N | No figure |
| Phi Beta Kappa SocietyWashington | Form 990-N | No figure |
| Compassionate Conservative RevivalWashington | Form 990-N | No figure |
| National Society 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 Society 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 |
| Phi Beta Kappa SocietyWashington | 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 |
| Beta Alpha Psi National CouncilWashington | Form 990-N | No figure |
| Toastmasters InternationalWashington | Form 990-N | No figure |
| Toastmasters InternationalWashington | Form 990-N | No figure |
| Phi Beta Kappa SocietyWashington | 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 |
| 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 |
| Pflag IncWashington | Form 990 | $0FY2025 |
| American Psychological Association 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 |
| Phi Beta Kappa SocietyWashington | 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 of the Daughters of the American RevolutionWashington | 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 | $0FY2025 |
| Phi Beta Kappa SocietyWashington | Form 990-N | No figure |