Boardwalk Pipeline Partners, LP, through its subsidiaries, provides transportation, storage, gathering, and processing services for natural gas and natural gas liquids (NGLs). The company operates interstate natural gas and NGLs pipeline systems, including integrated storage facilities. Its pipeline systems contain approximately 14,190 miles of interconnected natural gas pipelines, directly serving customers in 13 states and indirectly serving customers throughout the northeastern and southeastern United States through various interconnections with unaffiliated pipelines. The company also owns approximately 435 miles of NGLs pipelines serving customers in Louisiana and Texas. In addition, it has underground storage caverns having aggregate capacity of approximately 208.0 billion cubic feet of working natural gas and 17.6 million barrels of NGLs. The company serves customers, including producers of natural gas, local distribution companies, marketers, electric power generators, industrial users, and interstate and intrastate pipelines. The company is headquartered in Houston, Texas. Boardwalk Pipeline Partners, LP operates as a subsidiary of Boardwalk Pipelines Holding Corp.