Star Energy was formed in 2000 by the merger of FS Energy, Midstates Energy and Twin Lakes Energy. The company offers a range of energy products and services. It provides a variety of refined and renewable fuel options for residential, commercial and industrial clients. Star Energy supplies ethanol, E-85 and biodiesel. The company also offers diesel under the Dieselex Gold brand. In addition, it provides Sure-Flo cold weather additive. Star Energy is a wholly owned subsidiary of Growmark. The company offers site inspection services and utilizes a 24-hour emergency pager system. It also provides lubricants under the FS, United, and Archer brands.