Computer Modelling Group software is utilized extensively across the global energy and clean tech sectors for advanced subsurface reservoir simulation and numerical modeling. Petroleum engineers and geoscientists employ its specialized applications—such as IMEX, GEM, and STARS—to model complex multi-phase fluid flow dynamics, analyze thermal enhanced oil recovery operations, and predict reservoir performance under various operational scenarios. Furthermore, the software plays a critical role in modern environmental engineering by assisting researchers and operators in simulating, monitoring, and optimizing underground carbon capture, utilization, and storage projects as well as geothermal energy extraction processes.