Cole Engineering Services, Inc. (CESI), a By Light company
Cole Engineering Services, Inc. (CESI), a By Light Company, delivers software-defined training and simulation for the multi-domain force. As lead developer of the US Army’s Synthetic Training Environment (STE) and a key partner in the DoD’s Persistent Cyber Training Environment (PCTE), CESI rapidly designs and fields complex multi-system solutions at scale. Our LVC training, cyber training, and wargaming prepare forces for contested domains. CESI’s open, modular architectures accelerate delivery, reduce overhead, and enhance readiness. Forge, CESI’s commercial ecosystem, extends STE globally and across industries. With advanced AI, data analytics, and synthetic environments, we integrate operator feedback to shape iterative development and drive operational relevance. We also enable cyber training operations for joint forces in secure, scalable environments. CESI leads training modernization, empowering warfighters and allies to train as they fight.