Gulfstream Natural Gas System, LLC, owns and operates a medium-sized 745-mile pipeline emerging from the sea at Port Manatee, in northern Manatee County, Florida. Owned by Williams Companies and Enbridge, Inc., Gulfstream operates at nearly full capacity, primarily serving the utility/power sectors. Its major clients include Florida Power & Light Company and Duke Energy Florida, LLC. The pipeline system extends easterly from Pascagoula, Mississippi, and Mobile, Alabama, to various points in Florida.