The Transmission & Distribution group is responsible for the planning and design of electrical transmission projects in power delivery, including overhead transmission, underground transmission, distribution systems, substation design, telecommunication & network engineering, pipelines, renewable power integration, security, grid modernization and more. The Aviation & Federal group is responsible for program management, master planning, facility design commissioning, and operational systems design of commercial aviation and Federal & Military projects, including buildings, infrastructure, hangars, passenger terminals, fueling & ramp services, runways, and aviation support facilities.