CRZO

Carrizo Oil & Gas Inc

A Houston-based energy company that explored for and produced oil and natural gas from shale rock in the United States, working the Eagle Ford Shale of South Texas and the Permian Basin. Founded in 1993, its name comes from "carrizo," the Spanish word for the tall reed grass that grows along Texas creeks and springs. The company specialized in drilling horizontal wells and was acquired by Callon Petroleum in 2019.