Wisconsin Public Service Corporation (WPS) is a regulated electric and natural gas utility. The Company is a wholly owned subsidiary of Integrys Energy Group, Inc. The Company provides wholesale electric service to municipal utilities and cooperatives for resale. During the year ended December 31, 2011, electric revenues accounted for 80% of its total revenues, while natural gas revenues accounted for 20% of its total revenues. On April 3, 2013, WPS, a unit of Integrys Energy Group Inc, acquired Fox Energy Co LLC, from General Electric Co and Tyr Energy Inc.