Charles Crisp

Part of Energy Transfer LP, Houston Pipe Line Co. LP is a company that owns and operates natural gas gathering systems. Houston Pipe Line Co. LP is based in Houston, TX. Houston Pipe Line Co. was acquired by ETP Legacy LP from American Electric Power Co., Inc. on January 26, 2005 for $825 million.

Part of Intercontinental Exchange, Inc., Natural Gas Exchange, Inc. operates an electronic trading platform for natural gas and electricity contracts. The company is based in Calgary, Canada. Natural Gas Exchange was acquired by TSX Group, Inc. from OM Gruppen AB on March 02, 2004 for $28.86 million.

TRI Resources, Inc. provides midstream natural gas and NGL services. The company was founded in April 2003 and is headquartered in Houston, TX.

Southern Company Gas LLC engages in the marketing and sale of natural gas. The firm operates through the following business segments: Distribution Operations, Retail Operations, Wholesale Services, Midstream Operations, and LNG and Propane. The company was founded in 1858 and is headquartered in Atlanta, GA.

ICE Futures U.S., Inc. provides an on-line global electronic marketplace for trading in futures and over the counter commodities. It operates as a physical commodity futures exchange in New York. The company facilitates investors to buy and sell financial instruments related to agricultural products, currencies, and market indexes. It was founded in 1870 and is located in New York City, NY.

Coral Energy LLC is a private company that markets financial and physical power and also provides natural gas to the Western United States. It is a subsidiary of Shell Oil Company and is located in Houston, Tx.

NYSE Liffe US LLC operates as US futures exchange of NYSE Euronext, which engages in the provision of access to a liquid marketplace and trading in precious metal futures and options, stock index futures based on foreign and domestic MSCI indices. The company was founded in 2008 and is headquartered in Nyack, NY.

Perry Gas Cos., Inc. owns and operates gasoline stations. The private company is based in Cornelia, GA and has subsidiaries in the United States.

Chicago Climate Futures Exchange LLC provides exchange of securities and commodities services. The private company is based in Chicago, IL.

Part of Intercontinental Exchange, Inc., ICE Trade Vault LLC operates as an online electronic marketplace for trading in futures and over-the-counter commodities. The company is based in Wilmington, DE.