W. Todd Brown

PAA Natural Gas Storage LP provides natural gas storage services. The company owns and operates three natural gas storage facilities located in Louisiana, Mississippi and Michigan. It provides natural gas storage services to a broad mix of customers, including local gas distribution companies, or LDCs, electric utilities, pipelines, direct industrial users, electric power generators, marketers, producers, LNG importers and affiliates of such entities. The company was founded on January 15, 2010 and is headquartered in Houston, TX.

Sempra Pipelines & Storage Corp. develops and operates natural gas infrastructure. The company is headquartered in San Diego, CA.

Part of Sempra, EnergySouth Midstream, Inc. provides natural gas midstream services. The private company is based in Houston, TX.

PAA Natural Gas Storage LLC develops and operates natural gas storage facilities. It has offices in Michigan and South Louisiana. PAA Natural Gas Storage operates as a subsidiary of PAA/Vulcan Gas Storage LLC. The company was founded in 2005 and is headquartered in Houston, TX

Part of Plains All American Pipeline LP, PNGS GP LLC operates, develops and manages natural gas storage facilities. The private company is based in Houston, TX. The CEO of the company is Willie C. W. Chiang.