Mark T. Mellana

Southern Star Central Gas Pipeline, Inc. provides natural gas transmission system spanning services. The company was founded in 1896 and is headquartered in Owensboro, KY.

Regency Energy Partners LP engages in the gathering and processing, contract compression, treating and transportation of natural gas and the transportation, fractionation and storage of natural gas liquids with assets located in Arkansas, Kansas, Louisiana, Oklahoma and Texas. The company was founded on September 2005 and is headquartered in San Antonio, TX.

Energia Mayakan S de RL de CV owns and operates a natural gas pipeline. The company is headquartered in Merida, Mexico.

Southern Star Central Corp. engages in the distribution of natural gas through pipelines. The company was founded in September 11, 2002 and is headquartered in Owensboro, KY.

Port Barre Investments LLC owns and operates natural gas storage facility. It enables to receive, inject, store, withdraw and deliver natural gas transported in interstate services. The company was founded in 2005 and is headquartered in Houston, TX.

Black Hills Gas LLC distributes natural gas. The firm provides gas transportation, in-home HVAC and appliance services and sales. The company was founded in 2006 and is headquartered in Golden, CO.

Part of Energy Transfer LP, Regency GP LLC is a company that provides investment services. The company is based in Dallas, TX.