CxE Group has been a leader in the St. Louis Metro Area for over 25 years in the fields of building commissioning, energy efficiency, and control system optimization. We are a licensed engineering firm, certified as a WBE with the State of MO and prequalified with the IL Capital Development Board. CxE is a Trade Ally and Retro-commissioning Service Provider (RSP) with Ameren in both Illinois and Missouri. We are proud to offer the following services: *Building Commissioning for New & Existing Facilities *Energy Savings Analysis & Energy Modeling *Daylighting Analysis *Control System Design & Optimization *Verification *Utility & State Incentive Programs *Design & Construction Management for Energy Savings & Retrocommissioning Efforts YOUR BUILDING OPTIMIZATION EXPERTS Unlocking the potential in YOUR Building