EX-21.1 9 d33289dex211.htm EX-21.1

Exhibit 21.1

SUBSIDIARIES OF DT MIDSTREAM, INC.*

Name of Subsidiary |  | Country or State of Incorporation or Organization
Bluestone Pipeline Company of Pennsylvania, LLC |  | Pennsylvania
DTE Appalachia Gathering, LLC |  | Delaware
DTE Appalachia Holdings, LLC |  | Delaware
DTE LEAP Gas Gathering, LLC |  | Delaware
DTE Louisiana Gathering, LLC |  | Delaware
DTE Louisiana Midstream Holdings 1, LLC |  | Michigan
DTE Millennium Company |  | Michigan
DTE Nexus, LLC |  | Delaware
DTE Pipeline Company |  | Michigan
DTE Series B Holdings, LLC |  | Delaware
Stonewall Gas Gathering, LLC |  | Delaware
Susquehanna Gathering Company I, LLC |  | Pennsylvania

* | Pursuant to Item 601(b)(21)(ii) of Regulation S-K, the names of other subsidiaries of DT Midstream, Inc. are omitted because, considered in the aggregate, they would not constitute a “significant subsidiary” as the term is defined in Rule 1-02(w) of Regulation S-X.