Callista Global Energy (CGE) is a trade involved in all aspects of the exploration, production and development of crude oil and natural gas.
Callista Global Energy represents companies directly responsible for the production of crude oil, natural gas, and associated products. Callista Global Energy membership is comprised of independent oil and natural gas producers, major national oil and natural gas producing companies, and major international oil and natural gas companies – companies focused on the exploration, discovery, and production of crude oil, natural gas, and associated liquids.