Ralph S. Cunningham

Teppco GP, Inc. provides accounting, auditing and bookkeeping services. The company is headquartered in Katy, TX.

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.

Reaction Design, Inc. designed scientific and technical software. The firm served transportation manufacturers and the energy companies through software simulation tools, chemical models, and expert consulting services. The company was founded by David H. Klipstein in 1995 and is headquartered in San Diego, CA

CITGO Petroleum Corp. engages in refining, transporting, and marketing of transportation fuels, lubricants, and petrochemicals products. It offers retail gasoline, diesel fuel, jet fuel, lubricants, petrochemicals, and other petroleum-based industrial products. The company was founded by Henry L. Doherty in 1910 and is headquartered in Houston, TX.

LE GP LLC provides natural gas pipeline transportation and transmission services. The private company is based in Dallas, TX. The CEOs of the company are Marshall S. McCrea, Thomas E. Long.

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 Products Co. is a private company that wholesales natural gas liquids. The company is based in Houston, TX and has subsidiaries in the United States. Richard H. Bachmann has been the CEO of the company since 1999.