James F. Thomas

NiSource Energy Partners LP owns and operates natural gas transportation pipelines and related assets. The company's primary asset is its Columbia Gulf pipeline system, which comprises 3400 miles of pipeline in Louisiana, Tennessee, Mississippi and Kentucky. NiSource Energy Partners derives the majority of its revenue through firm contracts, with customers paying capacity reservation fees and incremental usage fees based on the volume of gas transported. The company also derives a portion of its revenue from interruptible contracts, in which customers pay for utilization of the pipeline but are not guaranteed capacity availability. NiSource Energy Partners LP was formed by NiSource, Inc. in 2006. NiSource, Inc. owns the company's general partner and provides management services to the company. NiSource Energy Partners is headquartered in Merrillville, IN.

Columbia Gas Transmission Corp. operates natural gas pipeline network serving hundreds of communities. It also owns and operates underground natural gas storage systems. The company is headquartered in Charleston, VA.

Ceritas Energy LLC owns and operates pipelines and processing facilities. The company was founded in 2003 and is headquartered in Houston, TX.

Part of UNITIL Corp., Granite State Gas Transmission, Inc. provides gas transmission services. The company is based in Fairfax, VA.

Central Kentucky Transmission Co. provides natural gas and petroleum services. The company is headquartered in Houston, TX.

Crossroads Pipeline Co. is engaged in pipe line services. It supplies natural gas. The company is headquartered in Houston, TX.