ATI Architects and Engineers is a self-contained architectural and engineering consulting organization. The company offers a wide range of services in a variety of areas. Its structural engineering services include earthquake engineering and seismic retrofits, new building design and building rehabilitation solutions. Its mechanical engineering services include building and industrial systems, thermal systems, and energy audits and analyses. The company s electrical engineering expertise includes power and lighting systems, communications and network design, fire and safety systems, and instrumentation and controls. Its civil engineering services include civil site design, underground utility design, storm drainage, and water and wastewater treatment systems, as well as wireless transmission sites and data centers. ATI Architects and Engineers employs more than 100 people and has offices in Danville, Roseville, and Costa Mesa, Calif.