John L. Harrison

Part of Kinder Morgan, Inc., Sonat, Inc. explores for, acquires, develops, produces, and transmits oil and natural gas. The company is based in Birmingham, AL.

Southern Natural Gas Co. LLC provides gas storage and transportation services. It engages in the natural gas distribution, electricity generation, gas pipelines, marketing and trading companies. The company was founded in 1935 and is headquartered in Houston, TX.

Ernst & Young LLP engages in the provision of accounting, assurance, tax, transaction, and advisory services. It specializes in the actuarial, analytics and big data, cyber security, accounting compliance and reporting, center for board matters, international financial reporting standards, country tax advisory, global trade, tax accounting, and climate change and sustainability. The company was founded in 1989 and is headquartered in New York, NY.

Global Factory, Inc. provides collaborative manufacturing execution systems. The firm's software gather, organize & analyze demand, production & quality data from various sources and monitor key indicators & execute business processes to control, manage & optimize distributed manufacturing operations. The company was founded in 1999 and is headquartered in Santa Clara, CA.

The Association of Oil Pipelines engages in the transportation of energy liquids by pipelines. The non-profit company is based in Washington.

Haddington Ventures LLC (Haddington Ventures) is a private equity firm founded in 1998 by James Chris Jones and John A. Strom. The firm is headquartered in Houston, Texas.

Transwestern Pipeline Co. LLC owns and Operates gas pipelines. The company provides natural gas transmission services. It is headquartered in Thoreau, NM

Master Limited Partnership Association operates as a trade association representing the publicly traded partnerships. The company was founded in 1983 and is headquartered in Washington, DC.

MainLine Management LLC provides transportation, terminal and storage services. It engages in the transportation, terminal, and storage of refined petroleum products for integrated oil companies, refined marketing companies, and end users of petroleum. The company is headquartered in Emmaus, PA.

El Paso Marketing LP (El Paso Merchant Energy) provides wholesale trading of natural gas, crude oil, electricity and other commodities. It also markets asset-based commodities. The firm also sells the unit's petroleum refining, coal mining, chemical production and LNG transportation operations. The company is headquartered in Houston, TX.