Williams’ interstate gas pipeline and gathering & processing operations span the United States, including strategic assets in the deepwater Gulf of Mexico, the Rockies, the Pacific Northwest and the Eastern Seaboard. The Southeastern Trail Expansion (SET) is a 296,375 dekatherm per day expansion of the Transco pipeline system designed to provide additional pipeline capacity to serve markets in the Mid-Atlantic and Southeastern states by November 2020. There project has been designed to provide additional reliable service to utility and local distribution companies located in Virginia, North Carolina, South Carolina and Georgia.