Founded in 2007, Pegasi Energy Resources Corporation (PERC) explores, develops, produces and sells natural gas and oil in the United States. It is an independent energy company that handles projects in the east Texas oil and gas region. The company manages the Rodessa oil field, which has produced more than 2 trillion cubic feet of gas and over 400 million barrels of oil. Pegasi Energy Resources Corporation s wholly owned subsidiaries include Pegasi Operating and TR Rodessa. The company also operates 59 Disposal, which owns and operates a saltwater disposal facility that disposes saltwater and flow back waste into subsurface storage. Pegasi Energy Resources Corporation is a part of First Southern Crown.