| 915 15TH Street LLC | Disregarded entity | Real estate | DC | 136213516 |
| 104 Greenwich Ave LLC | Disregarded entity | Real estate | NY | 934732270 |
| American Civil Liberties Union INC | Related tax-exempt org | Preservation and promotion of civil rights and liberties | DC | 133871360 |
| RBSO INC | Related tax-exempt org | Support organization | DE | 043730759 |
| ACLU Voters Education Fund | Related tax-exempt org | See part VII | NY | 934643886 |
| Charitable Remainder Trust | Related taxable corporation/trust | Charitable TR | AL | — |
| Charitable Remainder Trust | Related taxable corporation/trust | Charitable TR | GA | — |
| Charitable Remainder Trust (2) | Related taxable corporation/trust | Charitable TR | MA | — |
| Charitable Remainder Trust | Related taxable corporation/trust | Charitable TR | NJ | — |
| Charitable Remainder Trust | Related taxable corporation/trust | Charitable TR | NM | — |
| Charitable Remainder Trust (4) | Related taxable corporation/trust | Charitable TR | NY | — |