2023 2022 2021 2020 2019 2018 2017 2016 2015 2014 2013 2012 2011 2010 2009 2008 2007 2006 2005 2004 Songdo 3-1 Part Infrastructure Construction Usuk Co. Size(m) 1,250×9×9 Gunsan Combined Cycle Power Plant Complex Office Construction Daelim Co Size(m) 80×37×6 Gassan Digital Empire Construction Construction Korea Dev. Co Size(m) 75 × 80 × 17 12
