ITC Transmission was founded in 1999 as International Transmission Co., a subsidiary of Detroit Edison (since renamed DTE Energy Electric Company, itself a subsidiary of DTE Energy), charged in the ownership, operation and maintenance of Detroit Edison's transmission system. In 2003, DTE sold the subsidiary to ITC Holdings Corp. In 2004, ITC Transmission became the first, fully independent electricity transmission company in the United States following the 2003 transfer of ownership from DTE Energy to ITC Transmission’s parent company, ITC Holdings Corp. ITC Transmission owns a fully regulated, high-voltage system that transmits electricity to local electricity distribution facilities. ITC Holdings Corp. (NYSE: ITC) became a publicly traded company in 2005 and is headquartered in Novi, Mic