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The history of Controlled Power Company goes back to 1968 when we developed an innovative approach to the design and manufacture of modular AC to DC converters. Since then, Controlled Power Company has built on that success to establish the broadest line
MGE Energy, Inc. is one of the leading companies in the Energy and Utilities sector.
Southern Company Gas is a wholly owned subsidiary of Atlanta-based Southern Company (NYSE:SO), America`s premier energy company. Southern Company Gas serves approximately 4.2 million natural gas utility customers through its regulated distribution companies in four states. Other non-utility businesses include asset management for natural gas wholesale customers and ownership and operation of natural gas storage facilities.
Duck River Electric Membership Corporation is a Shelbyville, TN-based company in the Energy and Utilities sector.
Superior Water, Light and Power Company is a Superior, WI-based company in the Energy and Utilities sector.