| Kennedy Krieger Institute INC | Related tax-exempt org | Parent organization to related entities; supports healthcare | MD | 521524965 |
| Kennedy Krieger Children's Hospital INC | Related tax-exempt org | Specialty healthcare for children | MD | 520607971 |
| HUGO W Moser Research Institute at Kennedy Krieger INC | Related tax-exempt org | BIO-medical research | MD | 521524967 |
| Kennedy Krieger Education & Community Services INC | Related tax-exempt org | Special education schools and community support programs | MD | 521753040 |
| Kennedy Krieger Foundation INC | Related tax-exempt org | Raise funds to support kennedy krieger institute and its affiliates | MD | 521734695 |
| PACT Helping Children With Special Needs INC | Related tax-exempt org | Medical day care and other services for children with special needs | MD | 521230183 |
| Madison Street Properties INC | Related tax-exempt org | Property holding company | MD | 521949813 |
| Madison Group Ventures INC | Related taxable corporation/trust | Research and development | MD | 900743111 |
| Charitable Remainder Trusts (3) | Related taxable corporation/trust | Charitable remainder trusts | MD | — |