James Lytal

GulfTerra Energy Partners is the gatherer of oil and gas in the offshore Gulf of Mexico, specializing in the development of pipeline and platform infrastructure for the Deepwater Trend. Enterprise Products Partners LP acquired the company and its name was changed to Enterprise GTM Holdings LP.

Enterprise Products GP LLC is a provider of oil-refining services. The company provides energy services to producers and consumers of natural gas, natural gas liquids, crude oil, refined products and petrochemicals. The company was incorporated in 1998 and is based in Houston, Texas.

Duncan Energy Partners LP acquires, owns, and operates a diversified portfolio of midstream energy assets. It engages in the businesses of natural gas liquids, transportation, petrochemical and refined products, and fractionation and marketing. The company was founded by Dan L. Duncan in September 2006 and is headquartered in Dallas, TX.

SemGroup LLC engages in the transportation, storage, distribution, market and other midstream services. It offers services for end-users and consumers of crude oil, natural gas, natural gas liquids and refined products. The company was founded in February 2000 and is headquartered in Oklahoma City, OK.

Part of Azure Midstream Holdings LLC, Marlin Midstream GP LLC develops, owns, operates and acquires midstream energy assets. The company is based in Houston, TX. Iris Chip J. Berthelot has been the CEO of the company since 2015. Marlin Midstream GP was acquired by Azure Midstream Co. LLC on February 27, 2015 for $162.50 million.

Marlin Midstream Partners LP develops, owns, operates and acquires midstream energy assets. It provides natural gas gathering, transportation, treating and processing services; and natural gas liquid transportation services. The company operates its business through two segments: Midstream Natural Gas and Crude Oil Logistics. The Midstream Natural Gas segment consists of natural gas processing facilities located in Panola county and Tyler county, Texas; natural gas gathering systems facilities; and natural gas liquids transportation pipelines that connects Panola county and Tyler county processing facilities to third party natural gas liquids pipelines. The Crude Oil Logistics segment provides transloading services for production from well-established crude oil producing basins, such as Uinta and Powder River. It consists of two crude oil transloading facilities, including Wildcat facility located in Carbon county, Utah and Big Horn facility located in Big Horn county, Wyoming. The company's transloaders are used to unload crude oil from tanker trucks and load crude oil into railcars and temporary storage tanks. Marlin Midstream Partners was founded on April 19, 2013 and is headquartered in Houston, TX.

Part of Kinder Morgan, Inc., Leviathan Gas Pipeline Partners LP manages offshore pipelines. The company is based in Houston, TX.