Cardinal River Energy Company is a diversified energy company that was founded in 1987 in Oklahoma City, Oklahoma. Through its various affiliates, the company is engaged in oil and gas exploration and production, gas-to-liquids processing and conversion, energy related acquisitions, energy financing, and other energy related businesses.

From its beginning as a non-operator that participated in third party prospects, the company now develops and operates its own prospects, and retains up to a 100% working interest in its wells. The company owns operated and non-operated interests in over 1200 wells located in Oklahoma, Texas, Arkansas, Kansas, New Mexico, Mississippi, Louisiana and Illinois.