| Delta Dental Community Care Foundation | Related tax-exempt org | Charitable organization | CA | 371570764 |
| Delta Dental of Pennsylvania | Related tax-exempt org | Dental insurance | PA | 231667011 |
| Delta Dental of Delaware INC | Related tax-exempt org | Dental insurance | DE | 510228088 |
| Delta Dental of WEST Virginia INC | Related tax-exempt org | Dental insurance | WV | 550523124 |
| Delta Dental of California | Related tax-exempt org | Dental insurance | CA | 941461312 |
| Delta Dental of New YORK | Related tax-exempt org | Dental insurance | NY | 111980218 |
| Dentegra Group INC | Related taxable corporation/trust | Holding company | DE | 943386049 |
| Dentegra Insurance Company | Related taxable corporation/trust | Insurance company | DE | 751233841 |
| Dentegra Insurance COMP of New England | Related taxable corporation/trust | Insurance company | MA | 300318743 |
| Delta Dental Insurance Company | Related taxable corporation/trust | Insurance company | DE | 942761537 |
| Alpha Dental of Nevada INC | Related taxable corporation/trust | Insurance company | NV | 880244893 |
| Alpha Dental of UTAH INC | Related taxable corporation/trust | Insurance company | UT | 860672505 |
| Alpha Dental Programs INC | Related taxable corporation/trust | Insurance company | TX | 742447512 |
| Alpha Dental of Alabama INC | Related taxable corporation/trust | Insurance company | AL | 630796079 |
| Alpha Dental of New Mexico INC | Related taxable corporation/trust | Insurance company | NM | 330279230 |
| Alpha Dental of Arizona INC | Related taxable corporation/trust | Insurance company | AZ | 930939835 |
| Delta Dental of Puerto RICO | Related taxable corporation/trust | Insurance company | — | 660436769 |
| DDC Insurance Holdings INC | Related taxable corporation/trust | Holding company | DE | 274251930 |
| Allied Administrators INC | Related taxable corporation/trust | Third party admin services | CA | 941713371 |
| Delta Dental IPA of New YORK | Related taxable corporation/trust | Independent practice association | NY | 384063658 |
| Emerge INC (fka ORAL Health Innovation Center Inc) | Related taxable corporation/trust | Administrative and NON-clinical management services | DE | 920778836 |