EX-21.1 2 mchx-ex21_1.htm EX-21.1

List of Subsidiaries of the Registrant

|  | Name |  | Jurisdiction
1. |  | Marchex Paymaster, LLC |  | Delaware
2. |  | Marchex, LLC |  | Delaware
3. |  | Marchex Sales, LLC |  | Delaware
4. |  | Marchex CAH, Inc. |  | Delaware
5. |  | Telmetrics Corporation (formerly, Telmetrics Inc.) |  | Nova Scotia
6. |  | Marchex International, Ltd.(1) |  | Ireland
7. |  | Archonic, LLC(2) |  | Delaware
8. |  | Callcap, LLC (formerly, SITA Laboratories, Inc.) |  | Delaware
9. |  | DCCI Support Service, Inc. |  | Delaware
10. |  | Sonar Technologies, Inc. |  | Delaware

(1)
Entity dissolved on 2/24/2025
(2)
Entity dissolved on 1/7/2025