Dan L. Duncan

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.

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.

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.

Enterprise GP Holdings LP explores and produces natural gas and provides other energy related services. It offers offshore pipelines and services, onshore natural gas pipelines and services, natural gas liquid pipelines and services and petrochemical services. Enterprise GP Holdings is headquartered in Houston, TX.

Enterprise Products Operating LP provides processing and transportation services to producers and consumers of natural gas liquids. The company is headquartered in Houston, TX

Texas Heart Institute provides an avenue for exchange of ideas relating to the clinical and research activities. It provide an avenue for exchange of ideas relating to the clinical and research activities among the present and former Cardiology fellows, trainees, and teaching staff of the Texas Heart Institute. The company was founded by Denton A. Cooley in 1989 and is headquartered in Houston, TX.