Berry Corporation is a company primarily engaged in hydrocarbon exploration in California (78% of 2019 production), the Uintah Basin (17% of 2019 production), and the Piceance Basin (5% of 2019 production). As of December 31, 2021, the company had 97 million barrels of oil equivalent (590,000,000 GJ) of estimated proved reserves, of which 87% was petroleum and 13% was natural gas. The company also offers oil well services and electricity sales.