Leonard Mallett

TEPPCO Partners LP is a publicly traded energy logistics partnership with operations that span much of the continental United States. TEPPCO owns and operates an extensive network of assets that facilitate the movement, marketing, gathering and storage of various commodities and energy-related products. The partnership's midstream portfolio of assets comprises pipelines that gather and transport refined petroleum products, crude oil, natural gas, liquefied petroleum gases (LPGs) and natural gas liquids (NGLs), and includes one of the largest common carrier pipelines for refined petroleum products and LPGs in the United States. TEPPCO also owns a marine business that operates primarily on the United States inland and Intracoastal Waterway systems, and in the Gulf of Mexico.

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.

EPCO, Inc. provides oil and gas services.

Part of Dan Duncan LLC, Enterprise Products Holdings LLC is a company that functions as an investment holding company. The company is based in Houston, TX. The CEOs of the company are A. James Teague, W. Randall Fowler.

Summit Midstream Partners LLC engages in the provision of investment to acquire and develop midstream energy infrastructure assets. It provides fee-based natural gas gathering and compression services. The company was founded in September 9, 2009 and is headquartered in Houston, TX.

Part of Summit Midstream Partners LP, Summit Midstream GP LLC is an investment holding company. The company is based in Dallas, TX. J. Heath Deneke has been the CEO of the company since 2019.