Engineering South is a historic building at Oklahoma State University, initially opened in 1939. It underwent a multi-million dollar renovation in the early 2020s, transforming its interior while maintaining its original facade. Located by the Edmon Low Library in Stillwater, the revamped building features modern utilities, new classroom spaces and advanced technology. It houses the Zink Center for Competitive Innovation, which supports student teams and fosters collaboration between the College of Engineering, Architecture and Technology and the Spears School of Business. The renovation includes new restrooms, a state-of-the-art HVAC system and larger elevators. The building houses the Schools of Electrical and Computer Engineering, Civil and Environmental Engineering, and Mechanical and Aerospace Engineering.