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, 2021, and the state 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.
CountryEntityState
United StatesADT Commercial LLCCO
United States  ADT LLC  DE
United StatesCompass Solar Group, LLCDE
United StatesMarc Jones Construction, LLCLA
United StatesPrime Security Services Borrower, LLCDE
United StatesPrime Security Services Holdings, LLCDE
United StatesFire and Security Holdings, LLCDE
United StatesThe ADT Security CorporationDE