CES Group is C.E.S Engineering Ltd. and EcoOpera Systems Inc. C.E.S. Engineering Ltd is a multidisciplinary engineering company with offices in Vancouver, BC, Calgary, AB, Toronto, ON, and Montreal, QC. With over twenty specialized commissioning providers we are now positioned as one of the largest independent national commissioning companies in Canada. The company has been providing comprehensive performance engineering services for over thirteen years. Our mission is to provide optimized, documented facility and systems operation using our core services: Total Building Commissioning, Performance Measurement and Verification, Energy Analysis and Modeling and Retrofit Design. C.E.S. Engineering’s subsidiary company, ECO OPERA Systems Inc., provides solutions for facility energy management, active energy efficiency monitoring and performance optimization. The company utilizes a proprietary Energy Management Information System as a framework for systems and buildings performance monitoring, targeting and reporting.