see Gas Technology Institute (GTI)

Kaneb Pipe Line Partners LP, of which Kaneb Pipe Line Co was the general partner, was acquired by Valero LP in July 2005, see Valero LP

Acquired by Valero LP in July 2005.

Consolidated with Northwest Missouri Electric Co-op in 1997 to form United Electric Cooperative Inc in Savannah & Maryville, MO

Consolidated with Nodaway Worth Electric Cooperative Inc in 1997 to form United Electric Cooperative Inc in Savannah & Maryville, MO

Cooperative Power and Light of Iola, KS and Sugar Valley Electric Cooperative of Mound City, KS merged to form United Electric Cooperative Inc in 1975

Sugar Valley Electric Cooperative of Mound City, KS and Cooperative Power and Light of Iola, KS merged to form United Electric Cooperative Inc in 1975

Merged with Sekan Electric Cooperative Association in 1997 to form Heartland Rural Electric Inc

Merged with United Electric Cooperative Inc in 1997 to form Heartland Rural Electric Inc

This partnership of Western Gas Resources Inc was dissolved in December 1998

See CenterPoint Energy Inc

Changed name to Hunt Petroleum (AEC) Inc. See Hunt Petroleum.

Now CenterPoint Energy Resources Corp d/b/a CenterPoint Energy Minnesota Gas

See Devon Gas Services LP

Acquired by CMS Field Services

Acquired by Penn Virginia Resource Partners LP in March 2005

Changed name to Chevron Corporation in May 2005

Changed its name to Horizon Wind Energy in August 2005 after acquisition by Goldman Sachs.

Acquired by Orion Power Holdings Inc in 2000

Changed name to Enserch Corp in 1975

Singapore Power Ltd amalgamated Australian subsidiaries TXU Networks and SPI PowerNet under the name of SP AusNet in June 2005

Singapore Power Ltd amalgamated Australian subsidiaries TXU Networks and SPI PowerNet under the name of SP AusNet in June 2005

aka Williams Midstream Gas And Liquids.