Boardwalk Pipeline Partners, LP, through its subsidiaries, operates integrated pipeline and storage systems for natural gas, natural gas liquids, and other hydrocarbons in the United States. It operates natural gas pipeline systems in the Gulf Coast region, Oklahoma, and Arkansas, as well as the Midwestern states of Tennessee, Kentucky, Illinois, Indiana, and Ohio; integrated natural gas storage facilities located in Indiana, Kentucky, Louisiana, and Mississippi; and NGL pipelines and storage facilities in Louisiana and Texas. The company’s interconnected natural gas pipelines serve customers directly and indirectly throughout the northeastern and southeastern United States through various interconnections with unaffiliated pipelines. It also owns and operates NGL pipelines in Louisiana and Texas. In addition, it has underground storage caverns for natural gas and NGLs. It serves electric power generators, producers and marketers of natural gas, local distribution companies, industrial users, exporters of liquefied natural gas, and interstate and intrastate pipelines. Boardwalk Pipeline Partners, LP was formerly known as TGT Pipeline LLC and changed its name to Boardwalk Pipeline Partners, LP in August 2005. The company was incorporated in 2005 and is headquartered in Houston, Texas. Boardwalk Pipeline Partners, LP operates as a subsidiary of Boardwalk Pipelines Holding Corp.