see Goulds Pumps Inc.

Became Energex Ltd in October 1997

Acquired by Murphy Oil Corp in November 2000

Acquired by Seneca Resources Corp in June 2000, see the Seneca Energy Canada Inc (SECI) under Seneca Resources

Acquired by Burlington Resources Inc in October 2001, see Burlington Resources Canada Ltd

Acquired by Centrica plc from AEP in December 2002, see WTU Retail Energy.

Acquired by Centrica plc from AEP in December 2002, see CPL Retail Energy

Parent Central and South West Corp acquired by American Electric Power (AEP) in June 2000, see AEP Kentucky Electric Power

Cleco Corp sold Cleco Energy's gas pipelines to subsidiaries of Millennium Midstream Energy LLC in November 2004; oil & gas production assets sold to Chalker Energy Partners LLC in September 2004.

Acquired by KCS Energy in 1997

Amalgamated when parent corporation Mobile merged with Exxon in December 1998 to form ExxonMobil Corporation.

Assets acquired by Continental Resources of Illinois Inc in June 2001.

Acquired by Clear Energy Inc in August 2004.

Acquired by EXCO Resources Inc. for $51.3 million (Canadian) in April 2001.

Acquired from Vaalco Energy Inc in 2006.

Changed name to Cequel Energy Inc. in 2002.

Name changed to Chancellor Energy Resouces Inc.

Acquired by Sonoran Energy in August 2004.

Acquired by Crescent Point Energy Trust in 2005.

Reverse merger completed in 2005 with Aurora Energy. See Aurora Oil & Gas Corporation

Amalgamated with Beau Canada Exploration Ltd in October 1994

Acquired by Crescent Point Energy Trust in 2006

Acquired by Choice Resources Corporation in July 2006.

Operating subsidiary of CONSOL Energy Inc.