EnergySolutions, headquartered in Salt Lake City, Utah, is one of the worlds largest processors of low level waste (LLW), and is the largest nuclear waste company in the United States. It was founded by Steve Creamer in 2007 through the merger of four waste disposal companies : Envirocare, Scientech D&D, BNG America, and Duratek. EnergySolutions has operations in over 40 states; and owns and operates a licensed landfill to dispose of radioactive waste approximately 60 miles west of Salt Lake City in Tooele County, Utah. It also operates another disposal site in Barnwell County, South Carolina. The company possesses technology to convert waste into alternative material such as durable glass, and is contracted by the United States Department of Energy to assist in waste conversion efforts. The company held the naming rights to EnergySolutions Arena from November 20, 2006 until October 26, 2015, when Vivint, a home security system provider based in Provo, Utah, acquired the naming rights to the Utah Jazzs home arena. On June 7, 2007, the company took over operational and management responsibilities of several Magnox atomic plants from British Nuclear Fuels plc in United Kingdom through the acquisition of the BNFL subsidiary – Reactor Sites Management Company (RMSC).