H. Neil Nichols

Houston Exploration Co. provides oil and gas exploration services on growing reserves & production through the exploration, development, exploitation and acquisition of natural gas. The company is located in Houston, TX.

KeySpan Corp. distributes natural gas. It also provides electricity and other energy services. The firm manage a portfolio of service companies and strategic investments in natural gas exploration, production, pipeline transportation, distribution, storage and Canadian gas processing. The company was founded in 1895 and is headquartered in Brooklyn, NY.

Keyera Facilities Income Fund is a closed-end investment fund/investment trust. The company engages in gathering and processing natural gas, as well as in the processing, transportation, storage, and marketing of natural gas liquids and crude oil. It also markets propane, butane, and condensate to customers in North America. The company was founded in 1998 and is headquartered in Calgary, Canada.

Part of National Grid Plc, KeySpan Energy Development Corp is a company that distributes natural gas. The company is based in Brooklyn, NY.

TransCanada PipeLines Ltd. provides pipeline services for the gas and oil industries. It operates through the following segments: Natural Gas Pipelines, Liquids Pipelines and Power and Storage. The company was founded on March 21, 1951 and is headquartered in Calgary, Canada.