Southeast Supply Header, LLC operates a small 287-mile pipeline running from Perryville, Louisiana to southwestern Alabama. Owned by Enable Midstream (Energy Transfer) and Enbridge, Inc. equally, and operated by Southeast Supply Header, LLC, it functions at full capacity serving utility/power and marketer sectors. Notable clients include Southern Services, Duke Energy Florida LLC, and Spire Marketing Inc. The pipeline system extends from the Perryville Hub in Louisiana to various points in Mississippi and Alabama, terminating at an interconnection with Gulfstream Natural Gas System, L.L.C. near Coden, Alabama.