Avista Corp. - An energy company involved in the production, transmission and distribution of energy as well as other energy-related businesses.
http://www.avistacorp.com/ more info...
NiSource - Specialized in the distribution of electricity, natural gas and water in the Midwest and Northeast United States.
http://www.nisource.com/ more info...
UGI Utilities, Inc. - A natural gas and electric utility headquartered in Reading, Pennsylvania.
http://www.ugi.com/ more info...
