EX-21 4 a10-k2024exhibit211111.htm EX-21
Exhibit 21
ADT Inc. (a Delaware corporation)
Significant Subsidiaries
The table below is a list of direct and indirect subsidiaries of ADT Inc. as of December 31, 2025, and the state or other jurisdiction in which the subsidiaries are organized. Pursuant to Item 601(b)(21)(ii) of Regulation S-K, certain subsidiaries have been omitted from this list because, if considered in the aggregate as a single subsidiary, such subsidiaries would not constitute a “significant subsidiary” as defined in Rule 1-02(w) of Regulation S-X.

Entity |  | State or other Jurisdiction
ADT LLC |  | Delaware
Compass Solar Group, LLC |  | Delaware
Buildpro, L.L.C. |  | Louisiana
Prime Security Services Borrower, LLC |  | Delaware
Prime Security Services Holdings, LLC |  | Delaware
The ADT Security Corporation |  | Delaware
ADT Puerto Rico, LLC |  | Puerto Rico
Security Monitoring Services, Inc |  | Florida